Re: PEP 391 (Dictionary-Based Configuration for Logging) Updated
On Wed, Oct 28, 2009 at 10:27 +, Vinay Sajip wrote: I've updated PEP 391 (Dictionary-Based Configuration for Logging): http://svn.python.org/view/peps/trunk/pep-0391.txt?r1=75599r2=75918 +1 All feedback gratefully received! The PEP does not seem to specify how handler are retrieved by their name/id. How should this work? Especially given the statement: The handler name lookup dictionary is for configuration use only and will not become part of the public API for the package. thanks for incorporating these changes. Wolodja signature.asc Description: Digital signature -- http://mail.python.org/mailman/listinfo/python-list
Re: IDLE python shell freezes after running show() of matplotlib
Forrest Sheng Bao wrote: I am having a weird problem on IDLE. After I plot something using show () of matplotlib, the python shell prompt in IDLE just freezes that I cannot enter anything and there is no new prompt show up. I tried ctrl - C and it didn't work. I have to restart IDLE to use it again. My system is Ubuntu Linux 9.04. I used apt-get to install IDLE. I believe this is the intended behavior. Look in matplotlib documentation on the difference between interactive and non-interactive modes. -- --OKB (not okblacke) Brendan Barnwell Do not follow where the path may lead. Go, instead, where there is no path, and leave a trail. --author unknown -- http://mail.python.org/mailman/listinfo/python-list
Re: how to zip a StringIO object?
Nagy Viktor wrote: Hi, I try to run the following code: def generate_zip(object_list, template): result = StringIO.StringIO() zipped = zipfile.ZipFile(result, w) for object in object_list: pdf = generate_pdf(object, template) if not pdf: raise IOError(Problem with generating invoice %d % object.pk) zipped.writestr(invoice-%d.pdf % object.pk, pdf) zipped.close() return result.getvalue() where generate_pdf returns a valid pdf file's string content, more precisely it returns a StringIO.getvalue() call containing the pdf string. When I add this string to the zip file, I get a problem. Namely, the zipped files are chmoded to non-readable when extracted. How can I change this? thanks, V You don't tell us the version of Python, nor the OS environment, nor what utility you're using to extract these files. When I supply the missing imports, shortcircuit the missing classes and functions, and add some mainline code, I can run this with no problem. Are you also running on Windows XP, using 2.6.2, using the same missing code as I, and extracting with Winzip 11.2? DaveA -- http://mail.python.org/mailman/listinfo/python-list
Re: Web development with Python 3.1
It
did not look like I had any control over the tags at all.
I can tell you you have full control over the whole HTTP response's content
and headers. And FWIW, this has nothing to do with templating systems.
That's good to know. Actually, it's more that good: I am looking into
Django again.
Can you provide a code example of printing the variable torvalds in
the GET request?
http://example.com/page.py?torvalds=tux
Should return this:
htmlbodyptux/p/body/html
And something similar for a POST request?
Using which framework ? If it's about Turbogears, I don't use it so I can't
answer. If it's using Pylons, you can use almost whatever templating system
you want - or not use any. If it's with Django, do you want it with or
without the templating system ?
I'd love to see the non-templating Pylons example, and/or the Django
example. Better yet, a link to example code or the appropriate chapter
of TFM would be welcome. So far as I can tell, the fine manual does
not cover non-template output.
I hate to ask for code, but this conversation would be easier that way.
Mmmm May I suggest that you first read the relevant documentation for
the aforementionned frameworks ?
Yes, please! Where in the Django docs is the relevant chapter?
Ok, here's a Django example without a template:
# views.py
def index(request):
torvalds = request.GET.get(torvalds, No torvalds here)
return HttpResponse(htmlbody%s/body/html % torvalds)
Allright, but what if I need to output in the middle of the page? Say,
one row of a table that is neither the end nor beginning of the code?
I ask because the construct return makes me believe that this is not
good for this purpose.
and here's an exemple using a template:
# templates/index.html
html
body
{{ torvalds }}
/body
/html
# views.py
def index(request):
torvalds = request.GET.get(torvalds, No torvalds here)
return render_to_response(index.html, dict(torvalds=torvalds))
Again, how could I output something in the middle of the page with the
templates?
--
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http://what-is-what.com
http://gibberish.co.il
--
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Re: Web development with Python 3.1
I've already given you that for TG:
class RootController(BaseController):
@expose()
def page(self, torwalds=None):
return htmlbodyp%s/p/body/html % (torwalds if torwalds
else
Does return mean that this could not be used in the middle of a page?
Of course nobody would do it that way. Instead, you'd define a template
html
xmlns:py='http://genshi.edgewall.org/'bodyp${torvalds}/p/body/html
And then your code becomes:
@expose(your.template.path)
def page(self, torwalds=None):
return dict(torwalds=torwalds)
Separation of code from HTML-code. Which most people agree is a good thing.
And no worries about having to make torwalds a string.
Yes, I like to separate HTML from code. However, often I need to
output something in the middle of the page. How could I do that with a
template?
Now let's say you want torwalds to be not-empty, and a number:
@expose(your.template.path)
@validate(dict(torwalds=Int(not_empty=True)),
error_handler=some_error_handler_controller_action)
def page(self, torwalds=None):
return dict(torwalds=torwalds)
That is nice, I will read more about the error_handler functions. Thanks.
--
Dotan Cohen
http://what-is-what.com
http://gibberish.co.il
--
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Building Python on Solaris 10?
Can anyone point me towards some instructions for building Python on
Solaris 10?
We need this for some of our test scripts and so far we cannot get this
to build.
We have tried both Python 2.6.4 and 3.1.1 and both fail with messages
like this:
Include/pyport.h:685:2: #error LONG_BIT definition appears wrong for
platform (bad gcc/glibc config?).
*** Error code 1
make: Fatal error: Command failed for target `Modules/python.o'
The configure command used is:
./configure --with-universal-archs=64-bit --enable-universalsdk
LDFLAGS=-s
-L/usr/local/lib -L/opt/ssl/lib -lgcc --prefix=/opt/python
--prefix=${PREFIX}
and the compiler version is gcc 3.4.3.
A search on Google showed this up as a problem several years ago and
suggested that there might be a problem with the way configure is working
on Solaris.
If anyone can help with this that would be great.
Thanks,
Judy
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Re: Web development with Python 3.1
Actually, currently in the example url http://example.com/path/to/script.py?var1=hellovar2=world the script is /home/user/site-name/public_html/path/ (with no filename extension) and the script.py is actually page.html which is an arbitrary, descriptive string and not part of the script filename. Better than the first example wrt/ SEO, but this still ties your url space to implementation AFAICT. Yes, but for the purposes of my needs this is fine and preferable. SEO was in fact the reason that I started doing this. Clearly. I was referring to stdout being send to the browser as the http response. s/browser/web server/ - it's the web server that reads your app's stdout and send it (as is or not FWIW) back to the client. As is, in my case. Actually, what use case is there for having Apache reprocess the HTML output of the script? And this output to stdout thingie is just the ipc scheme used for CGI - there are other possible interfaces between the application code and the web server. Other possible interfaces between the application code and the web server? Maybe you are referring to the interface with the database server? Enlighten me, please! I am not a programmer by trade, only by hobby. I think I mentioned that, but I apologize for being unclear. It's not that it was unclear, but that it's innaccurate. outputting to stdout is an implementation detail, and should not be exposed at the applicative code level. Dealing with appropriate abstraction - here, an HttpResponse object - is far better (well, IMHO of course... - standard disclaimers, YMMV etc). I see. I believe that is called Dotan's Razor: a slight inaccuracy saves a lengthy explanation. Sorry, but all I can replace here are the header and footer - if I want to generate a different markup for the content here part, I have to modify your applicative code. I've written web apps that way myself (some 7 years ago), and still have to maintain some web apps written that way, you know... Quite so, I though that is what you wanted. Yes, the HTML is hard-coded into the script. I am learning to abstract and even use object-oriented approaches, though. Does it? I will look into that. I assume that basic support means making the cookie, GET and POST variables easily accessible. GET and POST at least - I don't exactly remember how it works for cookies. That much I should be able to google when I get to it. I google, but cannot find any exapmles of this online. Well, no one in it's own mind would still use CGI (except perhaps for very trivial stuff) when you have way better solutions. What I am doing _is_ trivial. However, I thank you for explaining my options and I will take a second look at them. Hey! Since when am I not under attack? :) Mmm... yes, I tend to be a bit offensive sometimes - please don't take it personnaly and forgive me for my lack of social skills. What I express are of course _my_ opinions (most of them based on experience but that's not the point), and I've never killed anyone for having a different POV - even if I'm pretty sure they are wrong !-) Be offensive! I take no offence, I understand that your goal is to help me. I am a hard learner: I recognize that you are teaching me the better way, but I need convincing as to why it is better. Bruno said so is good, but saves you coding time down the line is a lot more convincing! -- Dotan Cohen http://what-is-what.com http://gibberish.co.il -- http://mail.python.org/mailman/listinfo/python-list
Re: Feedback wanted on programming introduction (Python in Windows)
In article hc8pn3$dd...@news.eternal-september.org, al...@start.no says... [Cross-posted comp.programming and comp.lang.python] Hi. I may finally have found the perfect language for a practically oriented introductory book on programming, namely Python. C++ was way too complex for the novice, JScript and C# suffered from too fast-changing specifications and runtime environment, Java, well, nothing particularly wrong but it's sort of too large and unwieldy and inefficient. I don't know whether this will ever become an actual book. I hope so! But since I don't know much Python -- I'm *learning* Python as I write -- I know that there's a significant chance of communicating misconceptions, non-idiomatic ways to do things, bad conventions, etc., in addition to of course plain errors of fact and understanding in general, to which I'm not yet immune... So I would would be very happy for feedback. But note: although I'm a complete Python newbie I'm not a novice programmer; my usual programming language is C++. So if you are a novice and think there's something wrong, then please do report it because it may help me explain things better, but since it's likely my explanation that is misleading, don't waste time on building up a case! This also goes for something that is simply difficult to understand. Then reporting that may help me explain it better. On the other hand, if you do have some experience, then chances are that what you think is an error, actually *is* an error! :-) Unfortunately Google docs doesn't display the nice table of contents in each document, but here's the public view of ch 1 (complete) and ch 2 (about one third completed, I've not yet settled on a title so it's just chapter asd): http://preview.tinyurl.com/progintro Cheers, Why is chapter 2 called ASD? -- http://mail.python.org/mailman/listinfo/python-list
Re: Feedback wanted on programming introduction (Python in Windows)
In article pan.2009.10.28.07.31...@remove.this.cybersource.com.au, ste...@remove.this.cybersource.com.au says... On Wed, 28 Oct 2009 07:52:17 +0100, Alf P. Steinbach wrote: Unfortunately Google docs doesn't display the nice table of contents in each document, but here's the public view of ch 1 (complete) and ch 2 (about one third completed, I've not yet settled on a title so it's just chapter asd): http://preview.tinyurl.com/progintro Unfortunately Google wants me to change my browser, accept a privacy breach (cookies), and open a moderately large security hole in my browser (Javascript). Any one of these on its own, and I wouldn't mind; two of them, and I'd give it some thought; but all three, well, no thank you. I don't suppose you have these chapters available on a public website in an open document format like .odt or similar? Or even better, plain text with markup? You can read PDF with the ghostscript stuff or the free Adobe stuff. A man who cannot read .pdf or .ps in today's computer science world is a crippled man (IMO-YMMV). I couldn't live without citeseer, and almost all university computer science papers are in either pdf or ps. I can send you the documents via email if you are unable to collect them. -- http://mail.python.org/mailman/listinfo/python-list
Re: Feedback wanted on programming introduction (Python in Windows)
* Dann Corbit: In article hc8pn3$dd...@news.eternal-september.org, al...@start.no Unfortunately Google docs doesn't display the nice table of contents in each document, but here's the public view of ch 1 (complete) and ch 2 (about one third completed, I've not yet settled on a title so it's just chapter asd): http://preview.tinyurl.com/progintro Cheers, Why is chapter 2 called ASD? The leftmost three keys on the middle row of the keyboard. :-) Cheers, - Alf The Ramans do everything in threes -- http://mail.python.org/mailman/listinfo/python-list
Re: Question on PEP 337 (Vinay Sajip)
Hy guys, Sorry, Vinay Sajip was right. I wrote my questions about PEP 391. I would like to know your ideas about my questions posted in my last mail. Gabor -- Linux: Choice of a GNU Generation -- http://mail.python.org/mailman/listinfo/python-list
Re: Web development with Python 3.1
On Wed, 28 Oct 2009 12:42:17 -0700, Dotan Cohen dotanco...@gmail.com wrote: I've already given you that for TG: class RootController(BaseController): @expose() def page(self, torwalds=None): return htmlbodyp%s/p/body/html % (torwalds if torwalds else Does return mean that this could not be used in the middle of a page? [snip] Yes, I like to separate HTML from code. However, often I need to output something in the middle of the page. How could I do that with a template? What do you mean by in the middle of the page? Do you mean, for instance, the behavior of middle.php in the following PHP example: ?php include_once(beginning.inc.php); include_once(middle.php); include_once(end.inc.php); ? Is that what you are after? -- Rami Chowdhury Never attribute to malice that which can be attributed to stupidity -- Hanlon's Razor 408-597-7068 (US) / 07875-841-046 (UK) / 0189-245544 (BD) -- http://mail.python.org/mailman/listinfo/python-list
Re: Hello, world?
On Oct 28, 5:40 am, Gilles Ganault nos...@nospam.com wrote: Hello I'm reading O'Reily's Python Programming on Win32, but couldn't find a simple example on how to create a window with just a label and pushbutton. If someone has such a basic example handy, I'm interested. Thank you. In wxPython (which you would have to download and install), it could be something like: import wx class Dialog1(wx.Dialog): def __init__(self, parent): wx.Dialog.__init__(self, id=-1, name='', parent=parent, pos=wx.Point(132, 174), size=wx.Size(149, 80), style=wx.DEFAULT_DIALOG_STYLE, title='') self.staticText1 = wx.StaticText(id=-1, label=u'Hello, World', name='', parent=self, pos=wx.Point(40, 16), size=wx.Size(59, 13), style=0) if __name__ == '__main__': app = wx.PySimpleApp() dlg = Dialog1(None) try: dlg.ShowModal() finally: dlg.Destroy() app.MainLoop() -- http://mail.python.org/mailman/listinfo/python-list
Re: Web development with Python 3.1
What do you mean by in the middle of the page? Do you mean, for instance, the behavior of middle.php in the following PHP example: ?php include_once(beginning.inc.php); include_once(middle.php); include_once(end.inc.php); ? Is that what you are after? Yes, that is what I am after. For instance, if one were to look at the source code of http://dotancohen.com they would see !-- / HEADER --. All the HTML up to that point was output by bigginin.inc.php. Similarly, near the end exists div class=bottomfiller, all the code from there is generated by end.inc.php. These two files are included in every page of the site. -- Dotan Cohen http://what-is-what.com http://gibberish.co.il -- http://mail.python.org/mailman/listinfo/python-list
Re: ConfigParser.items sorting
On Oct 28, 4:50 pm, Jon Clements jon...@googlemail.com wrote:
On 28 Oct, 06:21, Dean McClure bratpri...@gmail.com wrote:
Hi,
Just wondering how I can get theitems() command fromConfigParserto
not resort all the item pairs that it presents.
I am trying to get it to read some data in order:
[Relay Info]
relay_name: IPC
relay_current_range: [60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100,
104, 108, 112, 116]
relay_current_mutliplier: [1/8, 1/4, 1/2, 1, 2, 4]
relay_i: arcfc/(relay_current_range*relay_current_mutliplier)
so I can input the data and then eval() the equation at the end but
when I go
config.items('Relay Info')
It mixes everything up, is there a way to stop this?
Here is my selection code
variables = sorted(config.items('Relay Info'))
#Get inputs from user for each variable
for variable in variables:
if variable[0] == 'relay_name':
vars()[variable[0]] = variable[1]
else:
vars()[variable[0]] = 'not a real thing this is just a fake
that
will never turn up to establish the variable'
if variable[1][0] == '[' and variable[1][-1] == ']':
if variable[0] != 'Any':
while
(variable[1].count(vars()[variable[0]]) 1):
vars()[variable[0]] =
raw_input(str(variable)[1:-1] + \n)
if
variable[1].count(vars()[variable[0]]) 1:
print 'Setting unavailable'
else:
vars()[variable[0]] =
raw_input(str(variable)[1:-1] + \n)
else:
vars()[variable[0]] = variable[1]
vars()[variable[0]] = float(eval(vars()[variable[0]]))
Thanks for the help!
I'm not 100% sure what you're asking, as why should the order be
important?
It's probably worth mentioning that the builtin dictionary type is
'unordered' as it uses hashing to store keys. However, theConfigParsermodule
does allow you to supply a dict_type parameter in
version 2.6+ [http://docs.python.org/library/configparser.html], so
you could provide an 'ordered dictionary' which returns itsitemsin
insertion order. There's lots of recipes out there for those, but I
believe Raymond Hettinger has a fairly good one on the ActiveState(?)
cookbook site. (Google for python cookbook).
Since however, the idea of processing INI files is that you *know*
what you're looking for and how to interpret it, I'm not sure why
you're not using something similar to this (v2.6.2):
relay_name = config.get('Relay Info', 'relay_name')
relay_current_range = config.get('Relay Info', 'relay_current_range')
relay_current_range_list = eval(relay_current_range)
...etc...
hth,
Jon.
Sorry, basically I was just using configparser to pull sets of
variables and equations to calculate the clearing time of a circuit
breaker. As each device is slightly different and I like the structure
of the configparser I decided it'd be an acceptable way to do this.
The thing is that I wanted to have the relay settings in the first
section, then have sections for different protection settings, all of
these have a few input parameters and an output for clearing time. The
user will select the config file for the relay they want and therefore
not all the settings will be the same, I know this isn't the intended
use of the configparser but I thought it'd be much easier for people
to run from their hdd, just a folder of conf files that can be edited
or expanded on with relative ease.
In order to accommodate for all the different configurations I thought
I would have (as my code was showing but poorly explained) the
variable name in the config file (these will be standardised to a
degree) set to be either a set value or a selectable range in which
the program will ask the user to select a value from the range. One
relay may have a value for overload that is a percentage of the CT
value while others may have a selected full load current which is used
for everything so having all the input variables and then the equation
to output the clearing time means that I can ask for the input values
and evaluate the equation. Or at least I would be able to if I could
output them in order?
Thanks
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Re: IDLE python shell freezes after running show() of matplotlib
This is a threading issue that is very common when using gui toolkits with the interactive interpreter. You're better off just using ipython, which already has builtin support for matplotlib when you start it via ipython -pylab On Wed, Oct 28, 2009 at 7:41 PM, OKB (not okblacke) brennospamb...@nobrenspambarn.net wrote: Forrest Sheng Bao wrote: I am having a weird problem on IDLE. After I plot something using show () of matplotlib, the python shell prompt in IDLE just freezes that I cannot enter anything and there is no new prompt show up. I tried ctrl - C and it didn't work. I have to restart IDLE to use it again. My system is Ubuntu Linux 9.04. I used apt-get to install IDLE. I believe this is the intended behavior. Look in matplotlib documentation on the difference between interactive and non-interactive modes. -- --OKB (not okblacke) Brendan Barnwell Do not follow where the path may lead. Go, instead, where there is no path, and leave a trail. --author unknown -- http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
Re: calling server side function
I second the suggestion for XML-RPC... It also solves the security issue in your example, by only exporting functions you specifically register... look at xmlrpclib in the standard python library. On Wed, Oct 28, 2009 at 8:59 AM, Gabriel Genellina gagsl-...@yahoo.com.ar wrote: En Wed, 28 Oct 2009 04:04:50 -0300, Paul Hartley luapyelt...@hotmail.com escribió: I have a socket set up between a client and server program. Let's say that I serialize (pickle) some data in the client and send it to the server with the intention of calling a function in the server to process the data. How would one execute the function? This is not for a web-based application, BTW -- it's a desktop based application My current thought process is (using a generalized example): I have a list of numbers in the client and want to find the length of the list using the server. There exists a function find_len() in the server code. I have a list of numbers [1,2,3]. On the client side, I create the tuple (find_len, [1,2,3]), and serialize it. I pass this serialized object via a socket to the server, which unpickles it. The server takes the key (find_len) and uses a getattr call to get the find_len function. The server then calls find_len([1,2,3]) to get the sum. def find_len(list_): return Are there better ways of accomplishing this (I'm aware that there are security pitfalls here...) xmlrpc does more or less the same thing, but serializing in xml instead of pickling. -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
Re: PEP 391 (Dictionary-Based Configuration for Logging) Updated
Wolodja Wentland wentland at cl.uni-heidelberg.de writes: All feedback gratefully received! The PEP does not seem to specify how handler are retrieved by their name/id. How should this work? Especially given the statement: The handler name lookup dictionary is for configuration use only and will not become part of the public API for the package. What I mean by this is that, if you specify some handlers in the initial configuration: handlers: console: # configuration for a handler file: # configuration for a handler email: # configuration for a handler then internally, there will be a map which has keys console, file and email pointing to the respective handlers. In a later incremental call, you can do handlers: console: level = ... file: level = ... email: level = ... and the levels will be set on the handlers previously set up with the same ids. If you set up handlers programmatically and give them names: h = logging.StreamHandler() h.name = console this will add an entry to the map with key console and a reference to h as the value. Regards, Vinay Sajip -- http://mail.python.org/mailman/listinfo/python-list
Bug(s) in Python 3.1.1 Windows installation
Hi. Or, to whomever this concerns... ;-) I thought it would be prudent to install 3.1.1 for Windows from scratch, so I uninstalled everything (CPython, ActivePython), and then installed Python 3.1.1. In the Advanced option I told the installer to compile packages. The compiler then found a few syntax errors apparently in some text conversion test programs, and finally a message box popped up saying that There is a problem with this Windows Installer Package, http://imgur.com/N6Pbp and the main installation dialog then reported Python 3.1.1 installer ended prematurely. [...] Your system has not been modified. http://imgur.com/0kzMS.png OK, I'll try again /without/ asking it to compile. I'm just reporting this so that whoever needs to know knows (including maintainers and people wanting to install this). Cheers, - Alf -- http://mail.python.org/mailman/listinfo/python-list
Re: Question on PEP 337
Gabor Urban urbangabo at gmail.com writes: Hy guys, this PEP is very well written, and I have found the discussion inspiring. Every time I use the logging module, I have the configuration hardcoded in the application. That is why I never used the configuration file based approach. Now I will give it a try. I think we should discuss the following scenario (it was not clear in the PEP for me) : an application has the logging configuration in a config file and it is currently running. The user edits this file, so the configuiration in the running process should be changed. You would have to do this by hand: watch for file changes, reload the file into a dict, call logging.config.dictConfig with the new dict. PEP 391 is basically about using a dict to configure logging, but doesn't say where the dict comes from - it could be from deserializing a YAML or JSON file or importing a Python source file, or it could be received as a pickle over the wire and unpickled ... the logging package only knows about the dict and this must follow the schema described in the PEP. Regards, Vinay Sajip -- http://mail.python.org/mailman/listinfo/python-list
Re: Bug(s) in Python 3.1.1 Windows installation
* Alf P. Steinbach: Hi. Or, to whomever this concerns... ;-) I thought it would be prudent to install 3.1.1 for Windows from scratch, so I uninstalled everything (CPython, ActivePython), and then installed Python 3.1.1. In the Advanced option I told the installer to compile packages. The compiler then found a few syntax errors apparently in some text conversion test programs, and finally a message box popped up saying that There is a problem with this Windows Installer Package, http://imgur.com/N6Pbp and the main installation dialog then reported Python 3.1.1 installer ended prematurely. [...] Your system has not been modified. http://imgur.com/0kzMS.png OK, I'll try again /without/ asking it to compile. I'm just reporting this so that whoever needs to know knows (including maintainers and people wanting to install this). Hm, the installer forgot to clean up, leaving lots of files, so contrary to the dialog's final message the system had been modified. Cheers, - Alf (now going to try this again without asking it to compile) -- http://mail.python.org/mailman/listinfo/python-list
Re: Web development with Python 3.1
On Wed, 2009-10-28 at 15:32 +0200, Dotan Cohen wrote: def index(request): unmaintanable_html = html head titleIndex/title /head body h1Embedded HTML is a PITA/h1 pbut some like pains.../p /body /html return HttpResponse(unmaintanable_html) And if I need to add a variable or three in there? Static HTML I can do without Python. Put the variables in a dict and then return unmaintanable_html % varDict Or, if you want the the static HTML in a file then you can return open(static_html_filename).read() % varDict Add any complexity beyond that though and you're pretty much on your way to writing a template engine ;-) -a -- http://mail.python.org/mailman/listinfo/python-list
Re: Web development with Python 3.1
On Wed, 28 Oct 2009 14:15:54 -0700, Dotan Cohen dotanco...@gmail.com wrote: What do you mean by in the middle of the page? Do you mean, for instance, the behavior of middle.php in the following PHP example: ?php include_once(beginning.inc.php); include_once(middle.php); include_once(end.inc.php); ? Is that what you are after? Yes, that is what I am after. For instance, if one were to look at the source code of http://dotancohen.com they would see !-- / HEADER --. All the HTML up to that point was output by bigginin.inc.php. Similarly, near the end exists div class=bottomfiller, all the code from there is generated by end.inc.php. These two files are included in every page of the site. I think you're misunderstanding how Python and the web work together. Python is not PHP -- it was not designed to replace HTML, and it is in itself not a templating language. If you would like to use Python code embedded in HTML, the way PHP is typically used, you may want to look at Python Server Pages (http://www.modpython.org/live/current/doc-html/pyapi-psp.html) which are provided by mod_python. Just so you know (as I think this is what is causing much of the misunderstanding here), most Python web frameworks *do not* subscribe to the traditional model of the web, where URLs represent files on a server. (In the case of PHP, Python Server Pages, or CGI scripts, these are augmented files which are executed by the server, but it's the same concept). Instead, they typically map URLs to arbitrary code. -- Rami Chowdhury Never attribute to malice that which can be attributed to stupidity -- Hanlon's Razor 408-597-7068 (US) / 07875-841-046 (UK) / 0189-245544 (BD) -- http://mail.python.org/mailman/listinfo/python-list
Re: Web development with Python 3.1
On Wed, 2009-10-28 at 16:38 +0200, Dotan Cohen wrote: return HttpResponse(unmaintanable_html % data) That's fine for single variables, but if I need to output a table of unknown rows? I assume that return means the end of the script. Therefore I should shove the whole table into a variable and then copy that variable to the array data? No, if you use a templating system like Django's then basically you pass a QuerySet to your template. A QuerySet is basically a pointer to a SQL query, for example. The templating system just knows to expect an iterable, it can be a list of rows or it can be a QuerySet which does a fetch from a database. No need to shove an entire table into a variable. - second solution: do basically the same thing with a template system - which will give you much more power and options... I will look further into the Django templates, I promise. But I would still like to know how to work with Python proper. Another advantage if templates for many is that it allows programmers to do what they do best (write code) while letting web designers do what they do best (designing web pages) without them walking over each other (that much). -- http://mail.python.org/mailman/listinfo/python-list
Re: ftpilb.FTP.stor...() freeze mystery
En Wed, 28 Oct 2009 08:05:22 -0300, Anthra Norell anthra.nor...@bluewin.ch escribió: Gabriel Genellina wrote: En Tue, 27 Oct 2009 07:53:36 -0300, Anthra Norell anthra.nor...@bluewin.ch escribió: I am trying to upload a bunch of web pages to a hosting service.[...] I wrote a loop that iterates through the file names and calls either of the stor... () methods as appropriate. The loop successfully uploads eight of some twenty files and then freezes. Ctrl-C doesn't unlock the freeze. I have to kill the IDLE window freezes are less predictable than it seemed in the beginning. On one occasion it occurred after the transfer of a single file from the IDLE command line (my_ftp_object.storlines (STOR file_name, f). The file did upload. So the freezes seem to occur after a successful transfer. In this thread from last month, Sean DiZazzo shows how to add a timeout parameter to storbinary: http://comments.gmane.org/gmane.comp.python.general/639258 Do the same with storlines and see whether it helps. -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list
Working threads progress
hi all, I have a simple program that uses multiple threads to carry out
some work. Every threads share the same queue.Queue() (that is
synchronized) in order to get some data and then carry out the work.
Suppose I have something like:
q = queue.Queue()
for x in range(100):
q.put(x)
then I have:
lock = threading.Lock()
d = {}
threads = [Thread(target=do_work, args=(q, lock, d)) for _ in range(5)]
every thread thakes an item in the queue (using .get()) and compute some
expensive work. Then updates the dictionary using the queue item as a key
and the result obtained as the value (using the lock before and after the
dict update).
Now, I would like to know the activity done (e.g. every two seconds) so I
create another thread that checks the queue size (using .qsize()). Have
you any suggestion to improve the code?
--
http://mail.python.org/mailman/listinfo/python-list
Re: ConfigParser.items sorting
On 28 Oct, 21:55, Dean McClure bratpri...@gmail.com wrote:
On Oct 28, 4:50 pm, Jon Clements jon...@googlemail.com wrote:
On 28 Oct, 06:21, Dean McClure bratpri...@gmail.com wrote:
Hi,
Just wondering how I can get theitems() command fromConfigParserto
not resort all the item pairs that it presents.
I am trying to get it to read some data in order:
[Relay Info]
relay_name: IPC
relay_current_range: [60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100,
104, 108, 112, 116]
relay_current_mutliplier: [1/8, 1/4, 1/2, 1, 2, 4]
relay_i: arcfc/(relay_current_range*relay_current_mutliplier)
so I can input the data and then eval() the equation at the end but
when I go
config.items('Relay Info')
It mixes everything up, is there a way to stop this?
Here is my selection code
variables = sorted(config.items('Relay Info'))
#Get inputs from user for each variable
for variable in variables:
if variable[0] == 'relay_name':
vars()[variable[0]] = variable[1]
else:
vars()[variable[0]] = 'not a real thing this is just a
fake that
will never turn up to establish the variable'
if variable[1][0] == '[' and variable[1][-1] == ']':
if variable[0] != 'Any':
while
(variable[1].count(vars()[variable[0]]) 1):
vars()[variable[0]] =
raw_input(str(variable)[1:-1] + \n)
if
variable[1].count(vars()[variable[0]]) 1:
print 'Setting
unavailable'
else:
vars()[variable[0]] =
raw_input(str(variable)[1:-1] + \n)
else:
vars()[variable[0]] = variable[1]
vars()[variable[0]] = float(eval(vars()[variable[0]]))
Thanks for the help!
I'm not 100% sure what you're asking, as why should the order be
important?
It's probably worth mentioning that the builtin dictionary type is
'unordered' as it uses hashing to store keys. However,
theConfigParsermodule does allow you to supply a dict_type parameter in
version 2.6+ [http://docs.python.org/library/configparser.html], so
you could provide an 'ordered dictionary' which returns itsitemsin
insertion order. There's lots of recipes out there for those, but I
believe Raymond Hettinger has a fairly good one on the ActiveState(?)
cookbook site. (Google for python cookbook).
Since however, the idea of processing INI files is that you *know*
what you're looking for and how to interpret it, I'm not sure why
you're not using something similar to this (v2.6.2):
relay_name = config.get('Relay Info', 'relay_name')
relay_current_range = config.get('Relay Info', 'relay_current_range')
relay_current_range_list = eval(relay_current_range)
...etc...
hth,
Jon.
Sorry, basically I was just using configparser to pull sets of
variables and equations to calculate the clearing time of a circuit
breaker. As each device is slightly different and I like the structure
of the configparser I decided it'd be an acceptable way to do this.
The thing is that I wanted to have the relay settings in the first
section, then have sections for different protection settings, all of
these have a few input parameters and an output for clearing time. The
user will select the config file for the relay they want and therefore
not all the settings will be the same, I know this isn't the intended
use of the configparser but I thought it'd be much easier for people
to run from their hdd, just a folder of conf files that can be edited
or expanded on with relative ease.
In order to accommodate for all the different configurations I thought
I would have (as my code was showing but poorly explained) the
variable name in the config file (these will be standardised to a
degree) set to be either a set value or a selectable range in which
the program will ask the user to select a value from the range. One
relay may have a value for overload that is a percentage of the CT
value while others may have a selected full load current which is used
for everything so having all the input variables and then the equation
to output the clearing time means that I can ask for the input values
and evaluate the equation. Or at least I would be able to if I could
output them in order?
As Steven has already said, you're lone to an injection attack, don't
allow it.
What language do you orig. come from? ie, what would you say is your
'strongest' language.
Jon.
--
http://mail.python.org/mailman/listinfo/python-list
Re: popen function of os and subprocess modules
On Wed, 2009-10-28 at 07:15 -0700, banu wrote:
Thanks for the reply Jon
Basically I need to move into a folder and then need to execute some
shell commands(make etc.) in that folder. I just gave 'ls' for the
sake of an example. The real problem I am facing is, how to stay in
the folder after popen('cd directory') finishes. It seems trivial, but
I am not able to do it.
The problem is that you are running 2 child, and it's the first
subprocess that's changing the directory and then exiting. This
actually has little to do with Python specifically. you can see the
same thing if you do this:
$ pwd
/tmp
$ cat mycd.sh
#!/bin/sh
cd /etc
$ ./mycd.sh
$ pwd
/tmp
As you can see I am still in tmp. This is because mycd.sh changed
to /etc/ but after it exits back to the parent process it is back
in /tmp.
What you want is to cd inside your script itself. os.chdir() does
this.
--
http://mail.python.org/mailman/listinfo/python-list
Re: ConfigParser.items sorting
On Oct 29, 9:05 am, Jon Clements jon...@googlemail.com wrote:
On 28 Oct, 21:55, Dean McClure bratpri...@gmail.com wrote:
On Oct 28, 4:50 pm, Jon Clements jon...@googlemail.com wrote:
On 28 Oct, 06:21, Dean McClure bratpri...@gmail.com wrote:
Hi,
Just wondering how I can get theitems() command fromConfigParserto
not resort all the item pairs that it presents.
I am trying to get it to read some data in order:
[Relay Info]
relay_name: IPC
relay_current_range: [60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100,
104, 108, 112, 116]
relay_current_mutliplier: [1/8, 1/4, 1/2, 1, 2, 4]
relay_i: arcfc/(relay_current_range*relay_current_mutliplier)
so I can input the data and then eval() the equation at the end but
when I go
config.items('Relay Info')
It mixes everything up, is there a way to stop this?
Here is my selection code
variables = sorted(config.items('Relay Info'))
#Get inputs from user for each variable
for variable in variables:
if variable[0] == 'relay_name':
vars()[variable[0]] = variable[1]
else:
vars()[variable[0]] = 'not a real thing this is just a
fake that
will never turn up to establish the variable'
if variable[1][0] == '[' and variable[1][-1] == ']':
if variable[0] != 'Any':
while
(variable[1].count(vars()[variable[0]]) 1):
vars()[variable[0]] =
raw_input(str(variable)[1:-1] + \n)
if
variable[1].count(vars()[variable[0]]) 1:
print 'Setting
unavailable'
else:
vars()[variable[0]] =
raw_input(str(variable)[1:-1] + \n)
else:
vars()[variable[0]] = variable[1]
vars()[variable[0]] = float(eval(vars()[variable[0]]))
Thanks for the help!
I'm not 100% sure what you're asking, as why should the order be
important?
It's probably worth mentioning that the builtin dictionary type is
'unordered' as it uses hashing to store keys. However,
theConfigParsermodule does allow you to supply a dict_type parameter in
version 2.6+ [http://docs.python.org/library/configparser.html], so
you could provide an 'ordered dictionary' which returns itsitemsin
insertion order. There's lots of recipes out there for those, but I
believe Raymond Hettinger has a fairly good one on the ActiveState(?)
cookbook site. (Google for python cookbook).
Since however, the idea of processing INI files is that you *know*
what you're looking for and how to interpret it, I'm not sure why
you're not using something similar to this (v2.6.2):
relay_name = config.get('Relay Info', 'relay_name')
relay_current_range = config.get('Relay Info', 'relay_current_range')
relay_current_range_list = eval(relay_current_range)
...etc...
hth,
Jon.
Sorry, basically I was just usingconfigparserto pull sets of
variables and equations to calculate the clearing time of a circuit
breaker. As each device is slightly different and I like the structure
of theconfigparserI decided it'd be an acceptable way to do this.
The thing is that I wanted to have the relay settings in the first
section, then have sections for different protection settings, all of
these have a few input parameters and an output for clearing time. The
user will select the config file for the relay they want and therefore
not all the settings will be the same, I know this isn't the intended
use of theconfigparserbut I thought it'd be much easier for people
to run from their hdd, just a folder of conf files that can be edited
or expanded on with relative ease.
In order to accommodate for all the different configurations I thought
I would have (as my code was showing but poorly explained) the
variable name in the config file (these will be standardised to a
degree) set to be either a set value or a selectable range in which
the program will ask the user to select a value from the range. One
relay may have a value for overload that is a percentage of the CT
value while others may have a selected full load current which is used
for everything so having all the input variables and then the equation
to output the clearing time means that I can ask for the input values
and evaluate the equation. Or at least I would be able to if I could
output them in order?
As Steven has already said, you're lone to an injection attack, don't
allow it.
What language do you orig. come from? ie, what would you say is your
'strongest' language.
Jon.
Probably C, I'm not used to having so many functions :( I have a
terrible tendency to build from the bottom and then stumble
Re: Bug(s) in Python 3.1.1 Windows installation
En Wed, 28 Oct 2009 19:18:48 -0300, Alf P. Steinbach al...@start.no escribió: I thought it would be prudent to install 3.1.1 for Windows from scratch, so I uninstalled everything (CPython, ActivePython), and then installed Python 3.1.1. In the Advanced option I told the installer to compile packages. The compiler then found a few syntax errors apparently in some text conversion test programs, and finally a message box popped up saying that There is a problem with this Windows Installer Package, Did you install it over an existing directory, that might contain modules intended for a previous version, e.g. c:\python? Even if you uninstall Python, the uninstaller removes *only* the files *it* copied; everything else is left alone. This includes modules/libraries/packages that you may have installed in the past. Libraries written for any 2.x version are not compatible with the new 3.x syntax; if any of those libraries exist in the directory where you install 3.1.1, you get an error like yours. OK, I'll try again /without/ asking it to compile. I'm just reporting this so that whoever needs to know knows (including maintainers and people wanting to install this). The best place to report bugs is http://bugs.python.org/ -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list
Re: Bug(s) in Python 3.1.1 Windows installation
En Wed, 28 Oct 2009 19:30:13 -0300, Alf P. Steinbach al...@start.no escribió: Hm, the installer forgot to clean up, leaving lots of files, so contrary to the dialog's final message the system had been modified. If those files are third-party libraries, this confirms my previous post. It's not the 3.1.1 installer that forgot to clean up, but files from a previous 2.x installation. -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list
Re: Feedback wanted on programming introduction (Python in Windows)
En Wed, 28 Oct 2009 08:49:02 -0300, Alf P. Steinbach al...@start.no escribió: I suggested ActiveState because I know from earlier that their packages are easy to install and provide documentation in reasonable Windows CHM help file format. I did try the IronPython .NET implementation first :-). But my experience with *nix folks' porting efforts is that they create Windows ports that don't handle spaces in paths, don't even handle backspace in dialogs they present, require undocumented environment variables set up (and explaining such takes a lot of pages is demotivating), and just generally without any forethought or any reasonable automation, requiring a lot of explanation and hand-holding which would run to many pages, so I didn't even look at the CPython implementation. Perhaps I should. Certainly. The ActiveState folks do a great work, but currently most of the features listed for ActivePython on Windows are standard in the python.org distribution. Like .chm help files, all core extensions (zlib, bz2, sqlite...), all additional documentation (FAQ, What's new, PEPs, everything except the dive into python book). The biggest thing not included in the python.org distribution is the pywin32 package and related stuff (like the PythonWin editor). Maybe in the past the gap between both distributions were larger, but now, the official Python build is perfecty suitable for Windows users. -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list
Re: Web development with Python 3.1
On Wed, 28 Oct 2009 07:08:12 -, John Nagle na...@animats.com wrote: Alan Harris-Reid wrote: I am very much new to Python, and one of my first projects is a simple data-based website. I am starting with Python 3.1 Until MySQLdb gets ported to something later than Python 2.5, support for a data-based web site probably has to be in Python 2.5 or earlier. Aside from the deprecation warning, MySQLdb appears to work perfectly well on my Ubuntu Python 2.6. Since my spare-time teach-myself activity has been playing with it, I'd have expected to notice lack of support by now. -- Rhodri James *-* Wildebeest Herder to the Masses -- http://mail.python.org/mailman/listinfo/python-list
Re: Bug(s) in Python 3.1.1 Windows installation
* Alf P. Steinbach: * Alf P. Steinbach: Hi. Or, to whomever this concerns... ;-) I thought it would be prudent to install 3.1.1 for Windows from scratch, so I uninstalled everything (CPython, ActivePython), and then installed Python 3.1.1. In the Advanced option I told the installer to compile packages. The compiler then found a few syntax errors apparently in some text conversion test programs, and finally a message box popped up saying that There is a problem with this Windows Installer Package, http://imgur.com/N6Pbp and the main installation dialog then reported Python 3.1.1 installer ended prematurely. [...] Your system has not been modified. http://imgur.com/0kzMS.png OK, I'll try again /without/ asking it to compile. I'm just reporting this so that whoever needs to know knows (including maintainers and people wanting to install this). Hm, the installer forgot to clean up, leaving lots of files, so contrary to the dialog's final message the system had been modified. OK, after failing the Python 3.1.1 installer did manage to leave an uninstaller for itself, and I ran that. (1) Sluggish installer (about 600x slower than necessary) What should be a simple removal of files and registry keys taking all of 1.5 seconds or so took about 10 minutes. I've experienced this before with Microsoft's installer technology (MSI). Apparently it utilizes the infamuous Microsoft never use an O(n) algorithm where an O(n^2) or O(n^3) algorithm will do on a sufficiently fast machine strategy. So I suggest switching to some other more light-weight installer technology. (2) Failure to set up PATH. Without asking the Python 3.1.1 installer to compile packages it now installed, but it failed to set up the PATH environment variable (the ActivePython installation also failed to do that, but I worked around it in my writings by just not using the python command yet, referring to that in a footnote). The installer did manage to do the rest of that part correctly: file associations and PATHEXT variable. In new command interpreter instance: example of=what the Python 3.1.1 installer did manage to do correctly C:\Documents and Settings\Alf echo %pathext% .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.CJS;.JS;.JSE;.WSF;.WSH;.RB;.RBW;.tcl;.py;.pyw C:\Documents and Settings\Alf assoc | find /i pyt .py=Python.File .pyc=Python.CompiledFile .pyo=Python.CompiledFile .pyw=Python.NoConFile C:\Documents and Settings\Alf ftype | find /i pyt Python.CompiledFile=C:\Program Files\cpython\python31\python.exe %1 %* Python.File=C:\Program Files\cpython\python31\python.exe %1 %* Python.NoConFile=C:\Program Files\cpython\python31\pythonw.exe %1 %* /example (3) Tkinter not bundled, misleading incomplete documentation. With the file associations in place (the installer managed to do that) running console programs works fine. However, running Tkinter based programs does *not* work: code filename=ellipse.pyw import Tkinter window = Tkinter.Tk() window.title( A fixed size ellipse... ) window.geometry( 350x200 )# Client area size, not window size. window.resizable( width = 0, height = 0 ) canvas = Tkinter.Canvas( window, bg = white ) bbox = 2, 2, 347, 197 # Pixel coors left, top, right, bottom canvas.create_oval( *bbox, fill = PeachPuff ) canvas.pack() # Fill the entire client area, please. window.mainloop() # Process events until window is closed. /code example of=Tkinter does not work after installation C:\Documents and Settings\Alf python ellipse.pyw 'python' is not recognized as an internal or external command, operable program or batch file. C:\Documents and Settings\Alf C:\Program Files\cpython\python31\python.exe ellipse.pyw Traceback (most recent call last): File ellipse.pyw, line 1, in module import Tkinter ImportError: No module named Tkinter /example Even after setting up a correct PATH Tkinter does not work: example of=Tkinter doesn't work even with correct PATH C:\Documents and Settings\Alf set path=%path%;C:\Program Files\cpython\python31 C:\Documents and Settings\Alf python ellipse.pyw Traceback (most recent call last): File ellipse.pyw, line 1, in module import Tkinter ImportError: No module named Tkinter /example Checking I find that while there is a Tkinter folder there is no file [Tkinter.py] in this installation, i.e. the Tkinter module is not bundled with this distribution. That's bad news for any novice wanting to start learning the language: a main battery is missing! The documentation gives the impression that Tkinter can just be used, and it could just be used with ActivePython. Here the novice has to figure out not only that it isn't there, but also how to get it! Checking url: http://pypi.python.org/pypi/, the package index, nope, no Tkinter there. Typing tkinter in the Firefox address bar leads to url: http://wiki.python.org/moin/TkInter, and it has a recipe
Re: Bug(s) in Python 3.1.1 Windows installation
* Gabriel Genellina: En Wed, 28 Oct 2009 19:30:13 -0300, Alf P. Steinbach al...@start.no escribió: Hm, the installer forgot to clean up, leaving lots of files, so contrary to the dialog's final message the system had been modified. If those files are third-party libraries, this confirms my previous post. It's not the 3.1.1 installer that forgot to clean up, but files from a previous 2.x installation. No, those files were the 3.1 installation directory + subdirectories and files. Cheers hth., - Alf -- http://mail.python.org/mailman/listinfo/python-list
Re: Bug(s) in Python 3.1.1 Windows installation
* Gabriel Genellina: En Wed, 28 Oct 2009 19:18:48 -0300, Alf P. Steinbach al...@start.no escribió: I thought it would be prudent to install 3.1.1 for Windows from scratch, so I uninstalled everything (CPython, ActivePython), and then installed Python 3.1.1. In the Advanced option I told the installer to compile packages. The compiler then found a few syntax errors apparently in some text conversion test programs, and finally a message box popped up saying that There is a problem with this Windows Installer Package, Did you install it over an existing directory, that might contain modules intended for a previous version, e.g. c:\python? No, completely clean install. Even if you uninstall Python, the uninstaller removes *only* the files *it* copied; everything else is left alone. This includes modules/libraries/packages that you may have installed in the past. Libraries written for any 2.x version are not compatible with the new 3.x syntax; if any of those libraries exist in the directory where you install 3.1.1, you get an error like yours. No, after uninstalling previous stuff I manually cleaned up remains (to the point of removing left over file extensions in PATHEXT). OK, I'll try again /without/ asking it to compile. I'm just reporting this so that whoever needs to know knows (including maintainers and people wanting to install this). The best place to report bugs is http://bugs.python.org/ Sure, thanks. But there are three reasons why I posted here. (1) I'm lazy. (2) It can help others. (3) Faster response times, including helpful responses like yours (and yes it would really have been helpful if that was the problem, so thanks! :-) ) Cheers, - Alf -- http://mail.python.org/mailman/listinfo/python-list
Re: Bug(s) in Python 3.1.1 Windows installation
On 29/10/2009 11:06 AM, Alf P. Steinbach wrote: So I suggest switching to some other more light-weight installer technology. Thanks for the suggestion, but I expect we will stick with MSI even with its shortcomings. Using MSI files has significant other advantages, particularly in managed environments. (2) Failure to set up PATH. This is by design. If you really care passionately about this, you should be able to find a number of discussions here, in python-dev and in the python bug tracker. One example of why the current behaviour is useful is that many people install multiple Python versions side-by-side and a last installed wins strategy isn't a great option. Even after setting up a correct PATH Tkinter does not work: I suspect this will be a Python 3.x issue - you probably want to stick with 2.x. HTH, Mark -- http://mail.python.org/mailman/listinfo/python-list
Re: Copying a ZipExtFile
On Oct 23, 1:15 pm, Moore, Mathew L moor...@battelle.org wrote:
Hello all,
A newbie here. I was wondering why the following fails on Python 2.6.2
(r262:71605) on win32. Am I doing something inappropriate?
Interestingly, it works in 3.1, but would like to also get it working in 2.6.
Thanks in advance,
--Matt
import io
import shutil
import tempfile
import zipfile
with tempfile.TemporaryFile() as f:
# (Real code retrieves archive via urllib2.urlopen().)
zip = zipfile.ZipFile(f, mode='w')
zip.writestr('unknowndir/src.txt', 'Hello, world!')
zip.close();
# (Pretend we just downloaded the zip file.)
f.seek(0)
# Result of urlopen() is not seekable, but ZipFile requires a
# seekable file. Work around this by copying the file into a
# memory stream.
with io.BytesIO() as memio:
shutil.copyfileobj(f, memio)
zip = zipfile.ZipFile(file=memio)
# Can't use zip.extract(), because I want to ignore paths
# within archive.
src = zip.open('unknowndir/src.txt')
with open('dst.txt', mode='wb') as dst:
shutil.copyfileobj(src, dst)
The last line throws an Error:
Traceback (most recent call last):
File test.py, line 25, in module
shutil.copyfileobj(src, dst)
File C:\Python26\lib\shutil.py, line 27, in copyfileobj
buf = fsrc.read(length)
File C:\Python26\lib\zipfile.py, line 594, in read
bytes = self.fileobj.read(bytesToRead)
TypeError: integer argument expected, got 'long'
It should hopefully work if you use cStringIO/StringIO instead of
BytesIO.
I think the issue is essentially that StringIO.read() will accept a
long object while the backport of bytesio to to 2.6 does an explicit
check for int:
py StringIO.StringIO(foo).read(long(1))
'f'
py io.BytesIO(foo).read(long(1))
Traceback (most recent call last):
File stdin, line 1, in module
TypeError: integer argument expected, got 'long'
Should this be amended? Perhaps someone on core can consider it.
As for why the bytesToRead calculation in ZipExtFile.read() results in
a long, I've not yet looked at it closely.
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Re: Re: Web development with Python 3.1
John Nagle wrote: div class=moz-text-flowedAlan Harris-Reid wrote: I am very much new to Python, and one of my first projects is a simple data-based website. I am starting with Python 3.1 Until MySQLdb gets ported to something later than Python 2.5, support for a data-based web site probably has to be in Python 2.5 or earlier. The C module situation for Python 3.x still isn't very good. Realistically, the production version of Python is 2.5. This process is taking long enough that I'm worried that Python 3.x could do for Python what Perl 6 did for Perl - provide an upgrade path that nobody takes. HTMLTemplate (http://py-templates.sourceforge.net/htmltemplate/index.html;) is a minimal templating system for fill-in-the-blanks template work in Python. Actually, if you have HTMLTemplate, FCGI, and MySQLdb, you have enough to do a back-end database. There are some advantages to libraries (you call them) over frameworks (they call you) if you're doing something unusual. Frameworks are more useful if you're doing yet another Web 2.0 web site. John Nagle /div Thanks for the advice John. I am concerned at what you say about the uptake of 3.x - you could be right (although I hope you eventually turn-out to be wrong :-) ). Regards Alan -- http://mail.python.org/mailman/listinfo/python-list
Python 2.6 Global Variables
Hi All; I'm new to Python and moving from C, which is probably a big source of my confusion. I'm struggling with something right now though and I hope you all can help. I have a global configuration that I would like all my classes and modules to be able to access. What is the correct way to do this? Thanks; Matthew Walker -- http://mail.python.org/mailman/listinfo/python-list
Re: Web development with Python 3.1
Martin v. Löwis wrote: I am very much new to Python, and one of my first projects is a simple data-based website. I am starting with Python 3.1 (I can hear many of you shouting don't - start with 2.6), but as far as I can see, none of the popular python-to-web frameworks (Django, CherryPy, web.py, etc.) are Python3 compatible yet. That's not entirely true, see http://wiki.python.org/moin/PortingDjangoTo3k Regards, Martin Interesting link. Thanks for the info. Regards, Alan -- http://mail.python.org/mailman/listinfo/python-list
Re: Bug(s) in Python 3.1.1 Windows installation
* Mark Hammond: On 29/10/2009 11:06 AM, Alf P. Steinbach wrote: So I suggest switching to some other more light-weight installer technology. Thanks for the suggestion, but I expect we will stick with MSI even with its shortcomings. Using MSI files has significant other advantages, particularly in managed environments. Hm, yes, isn't that always so... (2) Failure to set up PATH. This is by design. If you really care passionately about this, you should be able to find a number of discussions here, in python-dev and in the python bug tracker. One example of why the current behaviour is useful is that many people install multiple Python versions side-by-side and a last installed wins strategy isn't a great option. This rationale is then inconsistent with the installer setting up file associations (the same argument should apply there if it was valid). But please don't remove the setting up of file associations, for it would then require any novice to learn about paths and directories and the Windows registry and whatnot before even creating first program. A reasonable solution is, I think, to check and give the user the choice, with default to Just Do It if there is no apparent conflict. :-) Even after setting up a correct PATH Tkinter does not work: I suspect this will be a Python 3.x issue - you probably want to stick with 2.x. Ethan Furman suggested that in Python 3.x the name was changed to all lowercase tkinter, and that worked... I don't understand how it works, yet, since there's no file [tkinter.*] anywhere, but, it works! :-) Summarizing the main differences 2.6 - 3.1.1 that I know of so far: print is now a function (nice), / now always produces float result (unsure about that, it must surely break a lot or even most of existing code?), xrange() has been removed and range() now works like old xrange(). Cheers, - Alf -- http://mail.python.org/mailman/listinfo/python-list
Re: Python 2.6 Global Variables
Inside the method that you want to use the var prefix the first instance with global. For example: global my_var. Then you can use the var like normal in the method. Good luck On Oct 28, 2009, at 20:50, mattofak matto...@gmail.com wrote: Hi All; I'm new to Python and moving from C, which is probably a big source of my confusion. I'm struggling with something right now though and I hope you all can help. I have a global configuration that I would like all my classes and modules to be able to access. What is the correct way to do this? Thanks; Matthew Walker -- http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
Re: Python 2.6 Global Variables
On Oct 28, 2009, at 20:50, mattofak matto...@gmail.com wrote: Hi All; I'm new to Python and moving from C, which is probably a big source of my confusion. I'm struggling with something right now though and I hope you all can help. I have a global configuration that I would like all my classes and modules to be able to access. What is the correct way to do this? On Wed, Oct 28, 2009 at 6:02 PM, Ronn Ross ronn.r...@gmail.com wrote: Inside the method that you want to use the var prefix the first instance with global. For example: global my_var. Then you can use the var like normal in the method. Good luck Note that without a global declaration, functions can still read global variables and modify the objects associated with them, but will be unable to re-bind (i.e. reassign) entirely different objects to global variables; the `global` statement just permits them to rebind global variables to new values. Cheers, Chris -- http://blog.rebertia.com -- http://mail.python.org/mailman/listinfo/python-list
Re: Form Parsing resouces
On 2009-10-28, Gabriel Genellina gagsl-...@yahoo.com.ar wrote: ... Try FormEncode http://formencode.org/ Wish I had noticed that yesterday. I started rolling my own and am about 2/3's way thru. thanks -- Tim t...@johnsons-web.com http://www.akwebsoft.com -- http://mail.python.org/mailman/listinfo/python-list
Re: Python 2.6 Global Variables
On Wed, Oct 28, 2009 at 8:50 PM, mattofak matto...@gmail.com wrote: Hi All; I'm new to Python and moving from C, which is probably a big source of my confusion. I'm struggling with something right now though and I hope you all can help. I have a global configuration that I would like all my classes and modules to be able to access. What is the correct way to do this? Make a separate module with all the config stuff in it, and import that module everywhere you need it. Just make sure you do import settings and not from settings import *. The behavior is different. In the first case, one instance of the module is shared among every module that imports it, so any changes you make will appear in all modules. IN the second case, the current values in settings.py are copied into the local namespace. Changes made in one module won't appear in the other modules. Thanks; Matthew Walker -- http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
Re: Bug(s) in Python 3.1.1 Windows installation
On Wed, Oct 28, 2009 at 8:06 PM, Alf P. Steinbach al...@start.no wrote: PS: This was not unexpected. It was exactly why I earlier didn't even look at CPython (umpteen bad experiences with *nix ports) but used ActivePython. It's not a *nix port. It's multiplatform and it works fine. As you've been told before, ActivePython is cpython. -- http://mail.python.org/mailman/listinfo/python-list
Re: popen function of os and subprocess modules
On Oct 28, 7:15 am, banu varun.nagp...@gmail.com wrote:
On Oct 28, 3:02 pm, Jon Clements jon...@googlemail.com wrote:
On 28 Oct, 13:39, banu varun.nagp...@gmail.com wrote:
Hi,
I am a novice in python. I was trying to write a simple script on
Linux (python 3.0) that does the following
#cd directory
#ls -l
I use the following code, but it doesn't work:
import os
directory = '/etc'
pr = os.popen('cd %s' % directory,'w')
pr.close()
pr = os.popen('ls -l','w') #
prints the content of present folder and not '/etc'
pr.close()
Can anyone suggest me how to fix this simple script? Also what is the
use of read(), readlines() and write() functions?
Now, I also read in the online python documentation that os.popen is
deprecated and no longer recommended in pyhton 3.0. Instead they ask
to use subprocess.popen. I am not able to figure out how to accomplish
my task with subprocess.poepn also. Can anyone suggest please?
Regards
Varun
If you're only trying to get the contents of a directory, there are
more suitable functions - you don't need a separate process. The popen*
() commands are deprecated.
Try using os.listdir() - can't remember off the top of my head if
that's been moved to os.path.listdir() in the 3.* series, but a read
of the doc's will set you straight.
Ditto for read() and write().
If you describe what you're trying to achieve, maybe we can help more.
Also, if you're using 3.0, may I suggest moving to 3.1?
hth,
Jon.
Thanks for the reply Jon
Basically I need to move into a folder and then need to execute some
shell commands(make etc.) in that folder. I just gave 'ls' for the
sake of an example. The real problem I am facing is, how to stay in
the folder after popen('cd directory') finishes. It seems trivial, but
I am not able to do it.
Varun
Use subprocess.Popen() with it's cwd argument. Something like:
import subprocess
p = subprocess.Popen([ls,-l] stdout=subprocess.PIPE, cwd=/etc)
print p.stdout.read()
~Sean
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Re: Bug(s) in Python 3.1.1 Windows installation
* David Robinow: On Wed, Oct 28, 2009 at 8:06 PM, Alf P. Steinbach al...@start.no wrote: PS: This was not unexpected. It was exactly why I earlier didn't even look at CPython (umpteen bad experiences with *nix ports) but used ActivePython. It's not a *nix port. It's multiplatform and it works fine. Your works fine is in blatant contradiction with reality, as reported here. As you've been told before, ActivePython is cpython. Thanks for that point of view, but ActivePython just works without any hassle, while CPython does not. As far as I'm concerned you can call the beast whatever you want, e.g. multiplatform. But don't expect me to use your terminology just to please you and make it seem nicer than it is. I think that's an outrageous request, on the same level of outrageousness as the denial of reality that you engaged in above. That said -- which is all about your comments, not about Python -- I rather like the 3.1.1 thing so far. It could do with a much better installer, the packaging, which is what I tested now. But since 2.6 is a transitional ease-the-porting version, 3.x is automatically a much more clean language, and it seems better. Cheers hth., - Alf PS: Please don't mail me copies of your replies. This time it made me first e-mail and then have to copy that for the in-group reply. It does fit in with your denial of reality and insistence that others should use the terms that you like the best, the non-thinking or trolling (not much difference in practice) approach to dealing with things, but even if it fits so well please don't do it. -- http://mail.python.org/mailman/listinfo/python-list
Re: Bug(s) in Python 3.1.1 Windows installation
On Oct 29, 11:56 am, Alf P. Steinbach al...@start.no wrote: Summarizing the main differences 2.6 - 3.1.1 that I know of so far: print is now a function (nice), / now always produces float result (unsure about that, it must surely break a lot or even most of existing code?), xrange() has been removed and range() now works like old xrange(). http://www.python.org/doc/3.0/whatsnew/3.0.html http://www.python.org/doc/3.1/whatsnew/3.1.html HTH, John -- http://mail.python.org/mailman/listinfo/python-list
__eq__() inconvenience when subclassing set
I'm subclassing set, and redefining __eq__(). I'd appreciate any relevant advice. class mySet(set): ... def __eq__(self, other): ... print called mySet.__eq__()! ... if isinstance(other, (set, frozenset)): ... return True ... return set.__eq__(self, other) ... I stipulate that this is a weird thing to do, but this is a toy class to avoid the lengthy definition of the class I actually want to write. Now I want the builtin set and frozenset types to use the new __eq__() with mySet symmetrically. mySet() == set([1]) called mySet.__eq__()! True mySet() == frozenset([1]) called mySet.__eq__()! True set([1]) == mySet() called mySet.__eq__()! True frozenset([1]) == mySet() False frozenset doesn't use mySet.__eq__() because mySet is not a subclass of frozenset as it is for set. I've tried a number of techniques to mitigate this issue. If I multiple-inherit from both set and frozenset, I get the instance lay-out conflict error. I have similar problems setting mySet.__bases__ directly, and hacking mro() in a metaclass. So far nothing has worked. If it matters, I'm using 2.6, but I can change versions if it will help. Should I give up on this, or is there something else I can try? Keep in mind, I must redefine __eq__(), and I'd like to be able to compare instances of the class to both set and frozenset instances. cheers, Jess -- http://mail.python.org/mailman/listinfo/python-list
cool-compiling python 3
I guess this is a bit OT but anyhow. I just finished compiling compiling python 3 on ubuntu and discovered that my laptop has a builtin toaster :-; Yeah I know this is not a python issue and probably modern laptops are meant to run wondrous beautiful elephantaneous things like eclipse cool-ly but heat up on a few gccs! Still does anyone know how/what/where I can tell ubuntu to run slow and cool? Thanks -- http://mail.python.org/mailman/listinfo/python-list
Re: Building Python on Solaris 10?
On Oct 28, 3:46 pm, Judy Booth j...@invalid.invalid wrote:
Can anyone point me towards some instructions for building Python on
Solaris 10?
We need this for some of our test scripts and so far we cannot get this
to build.
We have tried both Python 2.6.4 and 3.1.1 and both fail with messages
like this:
Include/pyport.h:685:2: #error LONG_BIT definition appears wrong for
platform (bad gcc/glibc config?).
*** Error code 1
make: Fatal error: Command failed for target `Modules/python.o'
The configure command used is:
./configure --with-universal-archs=64-bit --enable-universalsdk
LDFLAGS=-s
-L/usr/local/lib -L/opt/ssl/lib -lgcc --prefix=/opt/python
--prefix=${PREFIX}
and the compiler version is gcc 3.4.3.
A search on Google showed this up as a problem several years ago and
suggested that there might be a problem with the way configure is working
on Solaris.
If anyone can help with this that would be great.
Thanks,
Judy
We never heard back from the OP of this thread, but you might try
building with cc instead of gcc:
http://groups.google.com/group/comp.lang.python/browse_thread/thread/bf109ba2c86c3715
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Re: Working threads progress
On Oct 28, 7:02 pm, mattia ger...@gmail.com wrote: Now, I would like to know the activity done (e.g. every two seconds) so I create another thread that checks the queue size (using .qsize()). Have you any suggestion to improve the code? It's not uncommon to pass each thread a second queue for output, which in your case might be tuples of (item, result). You can read from this queue in a single thread, and since the results now accumulate incrementally, you can easily collect more detailed status/progress information (if that's what you're looking for). -- http://mail.python.org/mailman/listinfo/python-list
Re: __eq__() inconvenience when subclassing set
Jess Austin schrieb: frozenset([1]) == mySet() False frozenset doesn't use mySet.__eq__() because mySet is not a subclass of frozenset as it is for set. You could just overwrite set and frozenset: class eqmixin(object): def __eq__(self, other): print called %s.__eq__() % self.__class__ if isinstance(other, (set, frozenset)): return True return super(eqmixin, self).__eq__(other) class set(eqmixin, set): pass class frozenset(eqmixin, frozenset): pass class MySet(set): pass Regards, Mick. -- http://mail.python.org/mailman/listinfo/python-list
How to test if a file is a symbolic link?
'symbolic_link' is a symbolic link in the current directory. I run
'python main.py', but it does not return me anything. I want to check
if a file is a symbolic link. I'm wondering what is the correct way to
do so?
$cat main.py
import stat
import os
st = os.stat('symbolic_link')
if stat.S_ISLNK(st.st_mode):
print Hello
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Re: Feedback wanted on programming introduction (Python in Windows)
In mpg.255244b37d76cfb5989...@news.eternal-september.org, Dann Corbit wrote: In article hc8pn3$dd...@news.eternal-september.org, al...@start.no says... snip here's the public view of ch 1 (complete) and ch 2 (about one third completed, I've not yet settled on a title so it's just chapter asd): http://preview.tinyurl.com/progintro Cheers, Why is chapter 2 called ASD? Presumably its subtitle is Introducing UPPER CASE. -- Richard Heathfield http://www.cpax.org.uk Email: -http://www. +rjh@ Usenet is a strange place - dmr 29 July 1999 Sig line vacant - apply within -- http://mail.python.org/mailman/listinfo/python-list
Re: Feedback wanted on programming introduction (Python in Windows)
In mpg.255246264331509a989...@news.eternal-september.org, Dann Corbit wrote: snip You can read PDF with the ghostscript stuff or the free Adobe stuff. Agreed. But why should you have to? A man who cannot read .pdf or .ps in today's computer science world is a crippled man (IMO-YMMV). A man who doesn't particularly enjoy relying on proprietary non-text formats, however, is not crippled, just cautious. A man who cannot express what he needs to express /without/ resorting to .pdf format is computer-illiterate. snip -- Richard Heathfield http://www.cpax.org.uk Email: -http://www. +rjh@ Usenet is a strange place - dmr 29 July 1999 Sig line vacant - apply within -- http://mail.python.org/mailman/listinfo/python-list
Minifb 1.2 released
I've released version 1.2 of my simple Facebook module, minifb. http://code.google.com/p/minifb/ This is a minimalist API for validating and making calls to Facebook. The new release fixes a few outstanding problems, and adds support for Python 3. Because the module isn't too large, writing it in a syntax that works on Python2 and Python3 didn't require anything (too) messy. -- http://mail.python.org/mailman/listinfo/python-list
Re: How to test if a file is a symbolic link?
On Wed, 28 Oct 2009 22:19:55 -0500
Peng Yu pengyu...@gmail.com wrote:
'symbolic_link' is a symbolic link in the current directory. I run
'python main.py', but it does not return me anything. I want to check
if a file is a symbolic link. I'm wondering what is the correct way to
do so?
$cat main.py
import stat
import os
As soon as you import os the OS that you are running is relevant. I'll
assume some sort of Unix.
st = os.stat('symbolic_link')
The os module uses the underlying OS calls. run man 2 stat to see
what stat does. I think you will find that lstat is what you want.
--
D'Arcy J.M. Cain da...@druid.net | Democracy is three wolves
http://www.druid.net/darcy/| and a sheep voting on
+1 416 425 1212 (DoD#0082)(eNTP) | what's for dinner.
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Re: How to test if a file is a symbolic link?
On 2009-10-29 11:19, Peng Yu wrote:
'symbolic_link' is a symbolic link in the current directory. I run
'python main.py', but it does not return me anything. I want to check
if a file is a symbolic link. I'm wondering what is the correct way to
do so?
$cat main.py
import stat
import os
st = os.stat('symbolic_link')
if stat.S_ISLNK(st.st_mode):
print Hello
Use os.lstat instead of os.stat to prevent following symbolic links.
Or more directly, use os.path.islink()
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Re: How to test if a file is a symbolic link?
On Wed, 28 Oct 2009 22:19:55 -0500, Peng Yu wrote:
'symbolic_link' is a symbolic link in the current directory. I run
'python main.py', but it does not return me anything. I want to check if
a file is a symbolic link. I'm wondering what is the correct way to do
so?
$cat main.py
import stat
import os
st = os.stat('symbolic_link')
if stat.S_ISLNK(st.st_mode):
print Hello
I believe os.stat follows links, so you're testing if the original file
is a symbolic link.
You want to use os.lstat, or the os.path.islink() function.
--
Steven
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Fix problems with email list
I am getting doubles of every email on this list. Is there a list manager I can inform? Please help this is getting very annoying and makes it very hard to follow along. Spencer -- http://mail.python.org/mailman/listinfo/python-list
Re: How to test if a file is a symbolic link?
import os
if os.path.islink('symbolic_link'):
print hello.
Cheers,
Mahmoud Abdelkader
On Oct 28, 2009, at 11:19 PM, Peng Yu pengyu...@gmail.com wrote:
'symbolic_link' is a symbolic link in the current directory. I run
'python main.py', but it does not return me anything. I want to check
if a file is a symbolic link. I'm wondering what is the correct way to
do so?
$cat main.py
import stat
import os
st = os.stat('symbolic_link')
if stat.S_ISLNK(st.st_mode):
print Hello
--
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Re: How to test if a file is a symbolic link?
Peng Yu pengyu...@gmail.com writes: 'symbolic_link' is a symbolic link in the current directory. I run 'python main.py', but it does not return me anything. I want to check if a file is a symbolic link. You have the same access to the Python help as we do: import os.path help(os.path) You have the same access to the Python documentation search facility as we do: URL:http://docs.python.org/library/os.path.html. So I'm puzzled: why do you bring so very many questions to this group that are answered quickly by an obvious search of the standard library? -- \ “I've always wanted to be somebody, but I see now that I should | `\ have been more specific.” —Jane Wagner, via Lily Tomlin | _o__) | Ben Finney -- http://mail.python.org/mailman/listinfo/python-list
Re: calling server side function
Gabriel Genellina gagsl-...@yahoo.com.ar wrote in message news:mailman.2155.1256716617.2807.python-l...@python.org... En Wed, 28 Oct 2009 04:04:50 -0300, Paul Hartley luapyelt...@hotmail.com escribió: I have a socket set up between a client and server program. Let's say that I serialize (pickle) some data in the client and send it to the server with the intention of calling a function in the server to process the data. How would one execute the function? This is not for a web-based application, BTW -- it's a desktop based application My current thought process is (using a generalized example): I have a list of numbers in the client and want to find the length of the list using the server. There exists a function find_len() in the server code. I have a list of numbers [1,2,3]. On the client side, I create the tuple (find_len, [1,2,3]), and serialize it. I pass this serialized object via a socket to the server, which unpickles it. The server takes the key (find_len) and uses a getattr call to get the find_len function. The server then calls find_len([1,2,3]) to get the sum. def find_len(list_):return Are there better ways of accomplishing this (I'm aware that there are security pitfalls here...) xmlrpc does more or less the same thing, but serializing in xml instead of pickling. -- Gabriel Genellina Also, have a look at RPyc. I've been playing with it for a few days and it sounds it may be what you're after. http://rpyc.wikidot.com/ http://www.ibm.com/developerworks/linux/library/l-rpyc/index.html --Tim Arnold -- http://mail.python.org/mailman/listinfo/python-list
Re: a simple unicode question
Chris Jones cjns1...@gmail.com wrote in message news:mailman.2149.1256707687.2807.python-l...@python.org... On Tue, Oct 27, 2009 at 06:21:11AM EDT, Lie Ryan wrote: Chris Jones wrote: [..] Best part of Unicode is that there are multiple encodings, right? ;-) No, the best part about Unicode is there is no encoding! Unicode does not define any encoding; RFC 3629: ISO/IEC 10646 and Unicode define several encoding forms of their common repertoire: UTF-8, UCS-2, UTF-16, UCS-4 and UTF-32. what it defines is code-points for characters which is not related to how characters are encoded in files or network transmission. In other words, Unicode is not related to any encoding .. and yet the UTF-8, UTF-16.. encoding forms are clearly related to Unicode. How is that possible? CJ When I first saw it, my first thought was that the subjectline was an oxymoron. --Tim Arnold -- http://mail.python.org/mailman/listinfo/python-list
Re: Bug(s) in Python 3.1.1 Windows installation
On Oct 29, 11:06 am, Alf P. Steinbach al...@start.no wrote: (3) Tkinter not bundled, misleading incomplete documentation. With the file associations in place (the installer managed to do that) running console programs works fine. However, running Tkinter based programs does *not* work: code filename=ellipse.pyw import Tkinter What documentation are you reading? As you are running Python 3.1, you might like to consider reading 3.1 documentation. Many things have been changed from 2.X, including renaming unconventionally named modules and packages. In particular see http://docs.python.org/3.1/library/tkinter.html ... in general, see the whatsnew docs that I pointed you at. If you are trying to run 2.X code under 3.1, don't expect it to work straight away. Find 2to3 in the docs. [snip] Checking I find that while there is a Tkinter folder there is no file [Tkinter.py] in this installation, i.e. the Tkinter module is not bundled with this distribution. but the tkinter module is bundled That's bad news for any novice wanting to start learning the language: a main battery is missing! The documentation gives the impression that Tkinter can Which documentation? just be used, and it could just be used with ActivePython. Here the novice has ActivePython 2.X or 3.X? to figure out not only that it isn't there, but also how to get it! Checking url:http://pypi.python.org/pypi/, the package index, nope, no Tkinter there. PyPI is for third-party modules and packages. Typing tkinter in the Firefox address bar leads to url:http://wiki.python.org/moin/TkInter, and it has a recipe for checking for Tkinter support/installation: checking results Python 3.1.1 (r311:74483, Aug 17 2009, 17:02:12) [MSC v.1500 32 bit (Intel)] on win32 Type help, copyright, credits or license for more information. import _tkinter import Tkinter Traceback (most recent call last): File stdin, line 1, in module ImportError: No module named Tkinter /checking results The recipe now calls for adding path to directory with [Tkinter.py], but as mentioned no such file in this installation... Cheers, - Alf PS: This was not unexpected. It was exactly why I earlier didn't even look at CPython (umpteen bad experiences with *nix ports) but used ActivePython. I'm hopeful that I will find where Tkinter resides on the net, but hey, it should at least be documented, up front I mean (it's possibly mentioned somewhere, yes?). Yes. You'll find that tkinter resides also on your hard disk (unless you chose not to install it). Python 3.1.1 (r311:74483, Aug 17 2009, 17:02:12) [MSC v.1500 32 bit (Intel)] on win32 Type help, copyright, credits or license for more information. import tkinter tkinter.__file__ 'C:\\python31\\lib\\tkinter\\__init__.py' Didn't you do a search of your hard disk for Tkinter? -- http://mail.python.org/mailman/listinfo/python-list
Re: What IDE has good git and python support?
On Oct 28, 1:56 am, Aweks a...@ewadev.com wrote: what do you use? ActiveState's Komodo IDE. -- http://mail.python.org/mailman/listinfo/python-list
Newbie advice
Alright, I'm not new to programming, but I'm diving in head first into Python for the first time. I'm running on Windows 7, just installed Eclipse Java EE IDE for Web Developers and installed PyDev in it and installed Python 2.6. I've written my first Hello World program, which simply displays Hello World! in the console output. Here's what I /want/ to do, but don't know where to begin: - Write web services in Python (I've done plenty of this in .NET, BTW). - Write plain DLLs (is that even an option in Python (I told you I was a newb to Python, didn't I? :)) - Write a web app (HTML front end, Python web services called from JavaScript). - Write a plain old web app with Python (no web services or Ajax, just plain HTML Python). - Is it possible to create a Windows client desktop GUI app with Python? How? How 'bout a Linux GUI app? I don't know how to create and write a Python project with Eclipse to tell it to be a web service or a web app, or if what I need to do in the code to make as such, no run it from Eclipse to launch the app in a web server and launch a browser automatically. Can I debug after doing this? In other words, can I put break points in my web services or web apps and go back into the IDE to step through the code for web services and web apps? Also, I'm not tied to Eclipse. I'm totally open to other IDEs as well. SharpDevelop with the Python plugin looks interesting too. And finally, I'm not completely committed to using Windows to host my development either. I'm willing to use Linux too (but would prefer Windows... at least to get started, until I'm comfortable enough with Python). TIA -- http://mail.python.org/mailman/listinfo/python-list
What exception shall I raise when os.path.exists fails?
I want to raise an exception when os.path.exists fails. I looked through the exception list on the menu. I'm not sure if IOError is the most appropriate exception I should use. Could somebody let me know? Thank you! import os.path def direct_target(path): while os.path.islink(path): path = os.path.join(os.path.dirname(path), os.readlink(path)) if not os.path.exists(path): raise IOError else: return path -- http://mail.python.org/mailman/listinfo/python-list
Re: What exception shall I raise when os.path.exists fails?
On Wed, Oct 28, 2009 at 10:01 PM, Peng Yu pengyu...@gmail.com wrote:
I want to raise an exception when os.path.exists fails. I looked
through the exception list on the menu. I'm not sure if IOError is the
most appropriate exception I should use. Could somebody let me know?
Yeah, I'd say IOError:
Python 2.6.2 (r262:71600, May 14 2009, 16:34:51)
[GCC 4.0.1 (Apple Inc. build 5484)] on darwin
Type help, copyright, credits or license for more information.
f=file('nonexistent', 'r')
Traceback (most recent call last):
File stdin, line 1, in module
IOError: [Errno 2] No such file or directory: 'nonexistent'
ValueError would also be a justifiable choice; the caller gave a value
for a filepath that was invalid in that it was non-existent.
Cheers,
Chris
--
http://blog.rebertia.com
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Re: Bug(s) in Python 3.1.1 Windows installation
* John Machin: On Oct 29, 11:06 am, Alf P. Steinbach al...@start.no wrote: (3) Tkinter not bundled, misleading incomplete documentation. With the file associations in place (the installer managed to do that) running console programs works fine. However, running Tkinter based programs does *not* work: code filename=ellipse.pyw import Tkinter What documentation are you reading? As you are running Python 3.1, you might like to consider reading 3.1 documentation. Many things have been changed from 2.X, including renaming unconventionally named modules and packages. In particular see http://docs.python.org/3.1/library/tkinter.html ... in general, see the whatsnew docs that I pointed you at. Thanks. I wasn't expecting that the names used to access some library had changed just because the core language had been changed, and I didn't notice this little change of letter case -- but Ethan Furman set me straight on that earlier, as I reported else-thread. I'm new to the language. If you are trying to run 2.X code under 3.1, don't expect it to work straight away. Find 2to3 in the docs. Thanks again! I don't see how 2to3 can fix up / operators without having static type information. In the case of integer args / should be replaced with // (as I understand it), while for floats it should be left alone as-is. Hm. It seems to me that Pyrex has demonstrated that declarations *can* be combined sort of naturally with the rest of the language. What I miss most is the kind of force-use-of-declarations directive like Perl use strict or VBScript option explicit. Of course that would require some way to declare variables, at least their names... But perhaps this is already in 3.x? I'll probably find out. [snip] Checking I find that while there is a Tkinter folder there is no file [Tkinter.py] in this installation, i.e. the Tkinter module is not bundled with this distribution. but the tkinter module is bundled That's bad news for any novice wanting to start learning the language: a main battery is missing! The documentation gives the impression that Tkinter can Which documentation? I see that the docs installed with 3.1.1 uses all lowercase in the code. But the tutorials etc. on the net, referenced from the 3.1.1 documentation, have not been updated to mention that they're not version-inpendent any longer. E.g. url: http://infohost.nmt.edu/tcc/help/pubs/tkinter/ (which says it is a reference), and others referenced from the 3.1.1 documentation (I think the 3.1.1 documentation should clearly state that the referenced get-the-details external documentation is for an earlier version of Python). just be used, and it could just be used with ActivePython. Here the novice has ActivePython 2.X or 3.X? 2.6, I couldn't find any later ActivePython version. Of course it works just fine in 3.x when one writes lowercase tkinter. to figure out not only that it isn't there, but also how to get it! Checking url:http://pypi.python.org/pypi/, the package index, nope, no Tkinter there. PyPI is for third-party modules and packages. Does that mean that Tkinter is *not* third-party, but now part of the language like part of its standard library? Typing tkinter in the Firefox address bar leads to url:http://wiki.python.org/moin/TkInter, and it has a recipe for checking for Tkinter support/installation: checking results Python 3.1.1 (r311:74483, Aug 17 2009, 17:02:12) [MSC v.1500 32 bit (Intel)] on win32 Type help, copyright, credits or license for more information. import _tkinter import Tkinter Traceback (most recent call last): File stdin, line 1, in module ImportError: No module named Tkinter /checking results The recipe now calls for adding path to directory with [Tkinter.py], but as mentioned no such file in this installation... Cheers, - Alf PS: This was not unexpected. It was exactly why I earlier didn't even look at CPython (umpteen bad experiences with *nix ports) but used ActivePython. I'm hopeful that I will find where Tkinter resides on the net, but hey, it should at least be documented, up front I mean (it's possibly mentioned somewhere, yes?). Yes. You'll find that tkinter resides also on your hard disk (unless you chose not to install it). Python 3.1.1 (r311:74483, Aug 17 2009, 17:02:12) [MSC v.1500 32 bit (Intel)] on win32 Type help, copyright, credits or license for more information. import tkinter tkinter.__file__ 'C:\\python31\\lib\\tkinter\\__init__.py' Hey, that's very useful! :-) Didn't you do a search of your hard disk for Tkinter? Yes, it only found a folder and some DLLs, I think it was. But given the filename you showed above I now found out about packages in Python. I guess it's the stumble-upon principle at work. g Cheers, - Alf -- http://mail.python.org/mailman/listinfo/python-list
[issue7227] Shell Support for installation of Python Packages (.EGG)
Changes by Martin v. Löwis mar...@v.loewis.de: -- versions: -Python 2.4, Python 2.5, Python 2.6, Python 3.0, Python 3.1 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7227 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7228] %lld for PyErr_Format (Modules/_io/bufferedio.c)
New submission from Hirokazu Yamamoto ocean-c...@m2.ccsnet.ne.jp: Hello. There is following sentence in Modules/_io/bufferedio.c, PyErr_Format(PyExc_IOError, Raw stream returned invalid position % PY_PRIdOFF, (PY_OFF_T_COMPAT)n); and PY_PRIdOFF == lld when sizeof(off_t) == sizeof(long long). But it seems that PyErr_Format doesn't support lld as specifier. I noticed this because # define PY_OFF_T_COMPATlong long caused compile error on my good old VC6. ;-) (VC6 doesn't have it) -- messages: 94601 nosy: mark.dickinson, ocean-city severity: normal status: open title: %lld for PyErr_Format (Modules/_io/bufferedio.c) versions: Python 2.7 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7228 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7228] %lld for PyErr_Format (Modules/_io/bufferedio.c)
Hirokazu Yamamoto ocean-c...@m2.ccsnet.ne.jp added the comment: I believe r75728 and r75879 are related. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7228 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4750] tarfile keeps excessive dir structure in compressed files
Tarek Ziadé ziade.ta...@gmail.com added the comment: Lars, is this still accurate ? -- nosy: +tarek versions: +Python 3.1, Python 3.2 -Python 2.5 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4750 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4750] tarfile keeps excessive dir structure in compressed files
Changes by Tarek Ziadé ziade.ta...@gmail.com: -- components: -Distutils ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4750 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7228] %lld for PyErr_Format (Modules/_io/bufferedio.c)
Mark Dickinson dicki...@gmail.com added the comment: Thanks for reporting this. Do you know what the right conversion specifier is for print(f)ing something of long long type in MSVC? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7228 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7228] %lld for PyErr_Format (Modules/_io/bufferedio.c)
Mark Dickinson dicki...@gmail.com added the comment: The 'long long' define should have been PY_LONG_LONG. I don't know what the appropriate substitute for %lld is, though. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7228 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7228] %lld for PyErr_Format (Modules/_io/bufferedio.c)
Hirokazu Yamamoto ocean-c...@m2.ccsnet.ne.jp added the comment: MSVC6 uses __int64 as 64bit integer, and printf uses I64 as its specifier. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7228 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7228] %lld for PyErr_Format (Modules/_io/bufferedio.c)
Mark Dickinson dicki...@gmail.com added the comment: So PY_PRIdOFF should be I64d? Or just I64? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7228 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7228] %lld for PyErr_Format (Modules/_io/bufferedio.c)
Hirokazu Yamamoto ocean-c...@m2.ccsnet.ne.jp added the comment: Oh, I was late. I agree with msg94605. printf(%I64d\n, 1I64 40); /* 1099511627776 */ So if PyErr_Format (actually, PyString_FromFormatV) will support PY_LONG_LONG, I think we can use same technique as PY_FORMAT_SIZE_T like #define PY_FORMAT_LONG_LONG I64 /* On Windows */ #define PY_FORMAT_LONG_LONG ll /* On Unix */ -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7228 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7228] %lld for PyErr_Format (Modules/_io/bufferedio.c)
Hirokazu Yamamoto ocean-c...@m2.ccsnet.ne.jp added the comment: I was late again...? Hmm, I thought Python tracker told me that somebody else modified this issue. Anyway, printf can use both %I64 and %I64d for signed 64bit integer, but should use %I64u for unsigned 64bit integer AFAIK. But PyErr_Format actually calls PyString_FromFormatV, and it's not treating %lld. So probably we should modify PyString_FromFormatV. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7228 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7228] %lld for PyErr_Format (Modules/_io/bufferedio.c)
Mark Dickinson dicki...@gmail.com added the comment: Thanks. I'm just going to fix Modules/io/_iomodule.h for now. But I agree that it might make sense to have a PY_FORMAT_OFF_T or PY_FORMAT_LONG_LONG in pyport.h, especially if uses of off_t become more widespread in the codebase. I also notice there are some uses of %zd in Modules/io that should be replaced with PY_FORMAT_SIZE_T. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7228 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7228] %lld for PyErr_Format (Modules/_io/bufferedio.c)
Mark Dickinson dicki...@gmail.com added the comment: Aargh. You're right, of course. PyString_FromFormatV needs to be updated, or avoided in this case. I'll look at this later today. -- assignee: - mark.dickinson ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7228 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7228] %lld for PyErr_Format (Modules/_io/bufferedio.c)
Hirokazu Yamamoto ocean-c...@m2.ccsnet.ne.jp added the comment: Sorry for confusion. I shouldn't have said last 3 lines in msg94601. :-( -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7228 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7212] Retrieve an arbitrary element from a set without removing it
Willi Richert w.rich...@gmx.net added the comment: No particular reason, besides that it is ripped off of pop(). Your solution (omitting register) gives the same performance. Looks cleaner, of course. The patch tries to provide a clean way of for x in some_set: break, as explained above. See the recent python-dev mailing list musings. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7212 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5243] Missing dependency in distutils build
Patrick Gerken patrick.ger...@computer.org added the comment: Hi Tarek, I think clib stuff is installed in the right python directory and the ext install step then just finds them. To reproduce the issue, run the old easy_install in a virtualenv. easy_install ReportLab It will then fail because of the missing library. I can also show it during Plone Conference, just look for me in irc. Thanks, Patrick -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5243 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7117] Backport py3k float repr to trunk
Eric Smith e...@trueblade.com added the comment: r75913: Fix _json.c to use PyOS_string_to_double. Change made after consulting with Bob Ippolito. This completes the removal of calls to PyOS_ascii_strtod. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7117 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7192] webbrowser.get(firefox) does not work on Mac with installed Firefox
Changes by Ned Deily n...@acm.org: -- assignee: - ronaldoussoren components: +Macintosh nosy: +ronaldoussoren ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7192 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4908] adding a get_metadata in distutils
Tarek Ziadé ziade.ta...@gmail.com added the comment: This patch will be applied for the part that makes DistributionMetadata load files. The other part is waiting for PEP 376. -- priority: - normal resolution: - accepted versions: +Python 3.2 -Python 3.1 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4908 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7194] test_thread is flaky
Ned Deily n...@acm.org added the comment: Duplicate of Issue6186? -- nosy: +ned.deily ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7194 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6186] test_thread occasionally reports unhandled exceptions on OS X
Antoine Pitrou pit...@free.fr added the comment: Ned points out that it may be a duplicate of #7194, which has been fixed. Can you test with the current trunk or 2.6 branch? -- nosy: +pitrou ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6186 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7224] One obvious way to do interning
Antoine Pitrou pit...@free.fr added the comment: A simple way to try and see a difference would be to import lot of modules. By the way, you shouldn't call it _PySet_Add(), it would cause confusion with the existing PySet_Add(). _PySet_Intern() would be fine. -- nosy: +pitrou ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7224 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7227] Shell Support for installation of Python Packages (.EGG)
Changes by Antoine Pitrou pit...@free.fr: -- assignee: - tarek components: +Distutils -Demos and Tools nosy: +tarek priority: - normal ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7227 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7175] unify pydistutils.cfg and distutils.cfg and use .local
Ned Deily n...@acm.org added the comment: /etc is definitely not the right place to put files for OS X framework builds; if necessary, an etc directory could be added under the framework version directory as a sibling of bin and lib. It's also very un-OS X like to be putting things into ~/.python and ~/.local directories; the usual place would be in somewhere ~/Library, possibly ~/Library/Application Support/Python or ~/Library/Frameworks. Keep in mind that it's much more likely on OS X to not only have muitiple versions of Python installed but also more than one instance of the *same* version, for instance, on 10.6, an Apple-supplied 2.6.2 and a python.org 2.6.4. Some thought should be given to locations for the files for Unix-style (non-framework) builds. (Adding Ronald.) -- nosy: +ned.deily, ronaldoussoren ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7175 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7229] Manual entry for time.daylight can be misleading
New submission from Tomas Kubes mr_na...@centrum.cz: Hello, it is not obvious that the time.daylight data item reports nonzero values even when DST is currently not being used (ie. in winter) but the active timezone has DST defined for some other parts of the year. Current manual entry can be misleadingly interpreted that time.daylight acts as a current DST idicator (which it does not). Suggested FIX: Add a sentence: This value does not idicate that DST is currently active, but rather describes that current timezone can have DST. Use localtime() dst flag to determine if DST applies to the given time. Tomas -- assignee: georg.brandl components: Documentation messages: 94621 nosy: georg.brandl, napik severity: normal status: open title: Manual entry for time.daylight can be misleading type: feature request versions: Python 2.4, Python 2.5, Python 2.6, Python 2.7, Python 3.0, Python 3.1, Python 3.2 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7229 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7175] unify pydistutils.cfg and distutils.cfg and use .local
Marc-Andre Lemburg m...@egenix.com added the comment: Ned Deily wrote: Ned Deily n...@acm.org added the comment: /etc is definitely not the right place to put files for OS X framework builds; if necessary, an etc directory could be added under the framework version directory as a sibling of bin and lib. It's also very un-OS X like to be putting things into ~/.python and ~/.local directories; the usual place would be in somewhere ~/Library, possibly ~/Library/Application Support/Python or ~/Library/Frameworks. Keep in mind that it's much more likely on OS X to not only have muitiple versions of Python installed but also more than one instance of the *same* version, for instance, on 10.6, an Apple-supplied 2.6.2 and a python.org 2.6.4. Some thought should be given to locations for the files for Unix-style (non-framework) builds. (Adding Ronald.) I think there is a misunderstanding here: we're trying to find places where distutils would look by default, not where it would write files. AFAIK, there is general agreement that when writing files, Python should use the ~/.local/pythonX.X/ directory. OTOH, searching for config files that the user creates and puts in place is another story. Python and distutils only need to be able to find these and the idea is to use platform specific standard search paths for this, so that the user can place those config files into places that feel right on each platform. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7175 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7175] unify pydistutils.cfg and distutils.cfg and use .local
Ned Deily n...@acm.org added the comment: I don't think there's a misunderstanding. By putting, I meant reading or writing. IMO, /etc is not the place on OS X to be looking for python-related configuration files, certainly not for framework installs. Likewise for ~/.python and ~/.local. Unfortunately, the latter is already out in the field; that was a step in the wrong direction for OS X. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7175 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
