Re: [BangPypers] Role-Based Access Control

[Senthil Kumaran]

On Thu, Sep 17, 2015 at 3:38 AM, Anand Chitipothu 
wrote:

> If you have any suggestions, please let me know.


If the organization uses ldap, then using a ldap based access control is
possible using libraries which are not tied to any web-framework.
http://www.python-ldap.org/doc/html/ldap.html
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Re: [BangPypers] BangPypers completes 10 years

[Senthil Kumaran]

On Aug 13, 2015 12:19 AM, Anand B Pillai anandpil...@letterboxes.org
wrote:

 From Feb 2005 when it started its life in Yahoo! groups,
BangPypers
 mailing list - from its original form - has completed 10 years.

Congratulations to this group.
By reminding this, you just made everyone, whoever joined early, feel old.
It's been a long run and group has been managed well.

Cheers!
Senthil
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Re: [BangPypers] [X-Post] ERPNext Conference 2015

[Senthil Kumaran]

On Thu, Jul 23, 2015 at 12:13 PM, Pratik Vyas m...@pd.io wrote:

  Thank you for the explanation. Please do include such an explanation
  in future postings.
 

 Yup, I missed that. Will be careful in future.


Yeah, it is impressive:

https://github.com/frappe/erpnext

With a name like Frappé, I thought you were some french company. :-)

All the best!
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Re: [BangPypers] Fwd: Need a help on reviewing a python code. Message-ID: cacimrglh7bharoas710ofojd8g2i_liynbywka1640dvk5r...@mail.gmail.com

[Senthil Kumaran]

Very minor comments.

1. planet.py: from math import pi as PI

Unless there is a name conflict with the identifier being used. You could
avoid using as in the import. Here I guess, you wanted constants in
capitals (perhaps a linter tool required). In that case, you could write it
as import math; and use it is math.pi

2.input_parser.py

Keep the import yaml at the top along with other imports. There is no
reason to have it hidden in the methods.

3. cmdline_parser.py : You don't need a trailing blackslash here.

self.parser.add_argument(--config, dest='config_file', \

Since the break is happening within (, the implicit line joiners will
take care of having all the arguments within ().

4. arbitory_solar_system.py:
ab_solar_system = ArbitarySolarSystem(config='system.yaml')

You could assign CONSTANTS to various .yaml files.


That said, everything else looks good to me and code was pythonic too.
I believe, you used some tools like pep8, flake8 to do automatic style
fixes.

Thank you,
Senthil



On Fri, Jul 17, 2015 at 3:55 AM, Ramesh Rajagopal mail2.rame...@gmail.com
wrote:

 With regards to the below thread-id, I have posted my code into github
 account. Please have a look at and review it.

 https://github.com/rameshrajagopal/alignment

 Regards,
 Ramesh


 Message: 1
 Date: Fri, 17 Jul 2015 01:13:13 +0530
 From: Gora Mohanty g...@mimirtech.com
 To: Bangalore Python Users Group - India bangpypers@python.org
 Subject: Re: [BangPypers] Fwd: Need a help on reviewing a python code.
 Message-ID:
 
 cacimrglh7bharoas710ofojd8g2i_liynbywka1640dvk5r...@mail.gmail.com
 Content-Type: text/plain; charset=UTF-8

 Hi,

 Just forget it. The problem statement itself is so badly broken that
 it is unfixable, IMHO. To quote from problem.txt:
 The application will not determine the alignments itself. Instead, the
 application must be able to load a set of plugins at runtime that will
 determine
 whether a particular configuration of planets is 'aligned' according to
 whatever
 definition the plugin uses for alignment.

 Yes, and without the specification of an interface, I suppose Moses
 will come down from the mountain to tell us how a  particular plugin
 decides how a planet is alignedOh my God/aligned. IMHO, it is just
 not worth even applying to such companies as their basic recruitment
 process seems not to work.

 Regards,
 Gora


 On 17 July 2015 at 00:54, Senthil Kumaran sent...@uthcode.com wrote:
  Agree with Anuvrat.
 
  Paste your code in https://gist.github.com/ or upload it github/bitcket
 and
  share it again. I will help with the review.
 
  Thanks,
  Senthil
 
 
 
  On Thu, Jul 16, 2015 at 3:40 AM, Anuvrat Parashar anuv...@anuvrat.in
  wrote:
 
  1. alignment.tar.gs is missing.
  2. please consider hosting the code on github / bitbucket instead of
  attaching heavy files.
 
 
  On Thu, Jul 16, 2015 at 3:49 PM, Ramesh Rajagopal 
 mail2.rame...@gmail.com
  
  wrote:
 
   -- Forwarded message --
   From: Ramesh Rajagopal mail2.rame...@gmail.com
   Date: Jul 16, 2015 3:30 PM
   Subject: Fwd: Need a help on reviewing a python code.
   To: bangpypers@python.org
   Cc:
  
  
   Hello All,
  
   It would be very helpful, if you can review a small code which I had
   written in python. It is purely for my personal development
 perspective.
  
   I had a got an assignment from a company, they rejected my assignment
   without exactly stating what is the problem with my code. They just
   conveyed that it doesn't look like a pythonic way. I would like to
   understand my mistakes and improve on this. It would be good if you
 can
   help me on this.
  
   I am attaching the problem.txt(which has the assignment details, we
 need
  to
   make assumptions), then solution as alignment.tar.gz file.
  
   Looking forward you reply.
  
   Regards,
   Ramesh
  
   ___
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  --
  Anuvrat Parashar http://anuvrat.in
  http://anuvrat.in
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Re: [BangPypers] Fwd: Need a help on reviewing a python code.

[Senthil Kumaran]

Agree with Anuvrat.

Paste your code in https://gist.github.com/ or upload it github/bitcket and
share it again. I will help with the review.

Thanks,
Senthil



On Thu, Jul 16, 2015 at 3:40 AM, Anuvrat Parashar anuv...@anuvrat.in
wrote:

 1. alignment.tar.gs is missing.
 2. please consider hosting the code on github / bitbucket instead of
 attaching heavy files.


 On Thu, Jul 16, 2015 at 3:49 PM, Ramesh Rajagopal mail2.rame...@gmail.com
 
 wrote:

  -- Forwarded message --
  From: Ramesh Rajagopal mail2.rame...@gmail.com
  Date: Jul 16, 2015 3:30 PM
  Subject: Fwd: Need a help on reviewing a python code.
  To: bangpypers@python.org
  Cc:
 
 
  Hello All,
 
  It would be very helpful, if you can review a small code which I had
  written in python. It is purely for my personal development perspective.
 
  I had a got an assignment from a company, they rejected my assignment
  without exactly stating what is the problem with my code. They just
  conveyed that it doesn't look like a pythonic way. I would like to
  understand my mistakes and improve on this. It would be good if you can
  help me on this.
 
  I am attaching the problem.txt(which has the assignment details, we need
 to
  make assumptions), then solution as alignment.tar.gz file.
 
  Looking forward you reply.
 
  Regards,
  Ramesh
 
  ___
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  https://mail.python.org/mailman/listinfo/bangpypers
 
 


 --
 Anuvrat Parashar http://anuvrat.in
 http://anuvrat.in
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Re: [BangPypers] How to iterate through columns in Model

[Senthil Kumaran]

On Thu, Jul 16, 2015 at 10:51 AM, Sunil Gupta su...@planmytour.in wrote:

 for each column in Obj
  if column.help_text !=  :
   print The column , column.verbose_name,  has value ,
 column.value

 expected output

 The column Client Id has value Test_Client_Id



Look at the attributes / methods of Obj. Does it have something like
.values() ? Check the help of your ORM to find out.
then, it will be similar to what you have done.

for column in Obj.values():
   if column.help_text is not None:
  print column.verbose_name


What ORM are you using?

-- 
Senthil
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Re: [BangPypers] Fwd: Need a help on reviewing a python code.

[Senthil Kumaran]

On Thu, Jul 16, 2015 at 12:43 PM, Gora Mohanty g...@mimirtech.com wrote:

 IMHO, it is just
 not worth even applying to such companies as their basic recruitment
 process seems not to work.


Agree. Irrespective of that, this list 'bangpypers' focusses on python
language ecosystem.
So, I thought, we could help with the idiomaticity of the code, if provided
and be helpful to the learner.

-- 
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Re: [BangPypers] Python conversion from .py to .exe

[Senthil Kumaran]

On Friday, January 2, 2015 at 5:03 AM, Abhijit Bangera wrote:

 That is to say, I have multiple modules to run. I am using py2exe 
 (http://www.py2exe.org/index.cgi/Tutorial) for this. Can anyone help me 
 getting this done?
  
 Also say I have a project which makes use of DB, will the conversion process 
 take care of DB part as well?

For any application, which has multiple modules and some of which are 
interacting with databases, you will have “entry point”. Entry point module is 
how the applications recognize which module to run. As explained in the 
tutorial, you design your application with one entry point and point that entry 
point in the setup.py

If you have multiple entry points, then it is considered as multiple 
applications you will create exes for each of them.

HTH,
Senthil


--  
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Re: [BangPypers] Terrible choices: MySQL. What is the way ahead?

[Senthil Kumaran]

On Tuesday, December 30, 2014 at 6:02 PM, Anand Chitipothu wrote:

 The big companies using mysql would have found work-arounds for these
 issues. I don't think individual developers can afford that.

Just to churn this a little. I have been using MySQL at work and we have not 
found any basic problems with it. It seems to be stable technology for us, but 
of course there are some database experts who spend their day time entirely on 
it.

Thanks,
Senthil
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Re: [BangPypers] Does Python have lexical scoping?

[Senthil Kumaran]

On Sun, Nov 9, 2014 at 1:14 AM, Noufal Ibrahim KV nou...@nibrahim.net.in
wrote:

 How is lexical scoping with a mutable environment different from dynamic
 scoping?


I think you should post this in python-dev and you might get answers with
rigorous definitions.

Here is my short snippet which shows a behavior which does not indicate a
dynamic binding nature.


# example.py
x = 10
y = lambda: x

def f():
x = 20  # This is not rebinding. It is creating a new local variable by
name x
# But we are referring to x in y function call, so for the
definition of dynamic binding (?)
# should y() see x defined in the local scope instead of the
previously assigned value.
print(y())
return y()

x = 30  # This is rebinding in the same scope.
print(f())

$ python example.py
30
30
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Re: [BangPypers] Fwd: Issue with basemap import

[Senthil Kumaran]

On Wed, Sep 24, 2014 at 12:12 PM, narayan naik narayannaik...@gmail.com
wrote:

 hi,anybody help me to learn python.I am beginer


Sure. But you have ask the question first.  If you want start learning,
then look for Swaroop's book - A Byte of Python and it is a good start.
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Re: [BangPypers] Python is still greek to india's top IT firms

[Senthil Kumaran]

On Thu, Sep 25, 2014 at 5:09 AM, Saager Mhatre saager.mha...@gmail.com
wrote:

 Some would beg to differ http://tek.io/1yjHw0U


Companies are polyglot from a long time. This talk about developers and
some of their grudges :)  And author is choosing to overlook technologies
like  Apache thrift and Protobuf technologies which enable services to
talking to each other..
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Re: [BangPypers] Python is still greek to india's top IT firms

[Senthil Kumaran]

On Thu, Sep 25, 2014 at 5:19 AM, Saager Mhatre saager.mha...@gmail.com
wrote:

 Not to sound overly disparaging, but that argument reeks of survivorship
 bias, or at least confirmation bias.What about all the shops looking for
 python devs but not finding any good ones; you know, like the ones that
 aren't connected to the community? Contrast that with the number of
 'conventional language' programmers and recruiters who aren't connected to
 the community but still manage to get jobs.


I don't know. That was a mere statement that I made from the past
experience and real one. :)
And yeah, I have no preferences towards developer or companies which have
contacts with communities.
Some are connected and some are not, but all of them exists to make profit
for themselves, and create value and jobs for the society.
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Re: [BangPypers] Fwd: Issue with basemap import

[Senthil Kumaran]

How did you install your base package? The matplotlib? Are you using any
distribution?
If you installed it separately., then looks like you will have to install
basecamp using the matplotlib toolkits (
http://sourceforge.net/projects/matplotlib/files/matplotlib-toolkits/) too.
If you are using a prebuilt distribution like anaconda (from continuum.io)
it might have those libraries prebuilt for you.


On Tue, Sep 23, 2014 at 10:40 AM, sachidanand gowda maverick@gmail.com
wrote:

 Hi,

 I was non member 5 mins back :) so reposting it again
 -- Forwarded message --
 From: sachidanand gowda maverick@gmail.com
 Date: Tue, Sep 23, 2014 at 10:13 AM
 Subject: Issue with basemap import
 To: bangpypers@python.org


 Hi Guys,

 I needed help on importing basemap

 http://stackoverflow.com/questions/25985808/error-importing-basemap-keyerror-dap

 I have posted the question on stack overflow. Kindly help me with this
 issue

 Thanks,
 Sachi
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Re: [BangPypers] New to Python

[Senthil Kumaran]

On Tue, Sep 23, 2014 at 7:15 PM, Kazim Abbas kazim2...@gmail.com wrote:

 But how can i start a project in Django,
  Please let me know


Start with this book called Two scoops of Django, which is a recent entrant
and geared towards beginners.
Then you can look at the official Django docs.

-- 
Senthil
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Re: [BangPypers] Best books for python

[Senthil Kumaran]

On Sun, Sep 21, 2014 at 2:52 PM, Ashok K 
mails.as...@yahoo.com.dmarc.invalid wrote:

 Please suggest some books/materials that would help me master python.


Python Cookbook 2nd Edition by Alex Martelli.
Python Cookbook 3rd edition by Dave Beazley.

Then try doing programming projects using Python, possibly involving
yourself with other senior python developers.
Those are the limited resources available atm.

-- 
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Re: [BangPypers] Return values

[Senthil Kumaran]

On Sat, Sep 20, 2014 at 5:04 PM, Noufal Ibrahim KV nou...@nibrahim.net.in
wrote:

 This has a
 parameter `consolidate`. If consolidate is True, it will combine all the
 statistics and return just one Stats object. If not, it will return a
 list of Stats objects.

 The problem now is that this function sometimes returns a single thing
 and some times a list. I don't like this since I have to alter my
 calling code to handle this.

 I'm surprised that I've never hit this before and I'm not really sure
 how to handle it.

 Comments?


One option to me looks like, don't have consolidate as parameter for this
function, but do the operation outside.
Like providing a function called get_consolidated_stats, which will call
get_stats and provide the consolidated result.

The reason I am suggesting is, consolidation is one of the operation that
be performed on the the collection and it seems that injecting that
operation on the collection is 'limiting' the API.

The other obvious options are.
1) Return a list, but when consolidate is sent, it is a single element
list. # This hurts semantics and human understanding
2) Return a higher level object, (Stats object) which has a property called
consolidate, which can be set, when it is invoked. # This makes it a bit
complex.
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Re: [BangPypers] Python is still greek to india's top IT firms

[Senthil Kumaran]

Python does not have the push that Java and .Net has from the corporate
world.  Java and .Net/C# has strong ecosystem of tools too. And
surprisingly PHP in open source world got a good adoption by being at the
right time for a specific solution. So, in India we see PHP, Java and .Net
as primary platform for developers.

But the good news is, if an individual developer becomes very strong in
Python, he is creating a value for himself. Given that world is moving to
multiple language shops and almost all companies will use more than one
language in their offerings, having python knowledge is definitely going to
help anyone get hired.

From my experience at Akamai Bangalore, when we had to hire Java developers
for my team, we had 100s of resumes competing for single spot, but we
looked for quality python developers, there were very less  10 (and all
of them known folks) who could easily land up in the role.

So, yeah there you go. Any developer will have edge by learning a language
like Python.


On Sat, Sep 13, 2014 at 3:57 PM, Asif Jamadar asif.jama...@rezayat.net
wrote:


 http://timesofindia.indiatimes.com/...-Indias-top-IT-firms/articleshow/41535783.cms
 
 http://timesofindia.indiatimes.com/tech/jobs/Python-is-still-greek-to-Indias-top-IT-firms/articleshow/41535783.cms
 

 NEW DELHI: Recently, one of India's top software companies was faced with
 quandary. It had won a $200 million (Rs 1,200 crore) contract to develop an
 app store for a large US bank, but did not have adequate numbers of
 programmers who could write code in Python, the language most suited for
 the job. Eventually, it paid thrice the billing rate to a group of
 freelance Python programmers in the US. And learned a valuable lesson about
 the importance of a language named after the British television comedy
 series Monty Python.

 For a nation regarded as a software programming powerhouse, the episode
 has salutary lessons. While skills in traditional computer languages meant
 for stitching software applications and maintaining large mainframe
 computers are a strength, ignoring Python could prove to be a costly
 mistake.

 Because companies like Infosys
 http://economictimes.indiatimes.com/infosys-technologies-ltd/stocks/companyid-10960.cms
 and TCS prefer proprietary languages like Java or dot NET most students
 think of these as an option in college. That is the reason you don't get
 good quality talent in the industry to work with us in Python, said Jofin
 Joseph, cofounder and chief operating officer of Profoundis, a Kochi-based
 technology startup which has been struggling for about a year to hire young
 Python programmers.
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Re: [BangPypers] The Python I would like to see - Armin Ronacher

[Senthil Kumaran]

On Tuesday, August 19, 2014 at 9:24 PM, Baiju M wrote:

 I would love to install single statically linked binaries for deployment. 
 Building these binaries should be very fact also, say less than 1 minute. 

There are multiple solutions to to this. One that twitter uses is called PEX, a 
concept adopted from the Java world of deployable jars. 

My thought is, if the deployment environment is under control (like the 
versions of Python and the access to PyPI and dependency information and 
versions well established), then the standard python of using pip and 
requirements is good too. The problem usually lies in out of control 
dependencies and environment and sometimes we tend to prefer a static binary.



-- 
Senthil Kumaran


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Re: [BangPypers] what is python frameworks

[Senthil Kumaran]

Hi Sharanu,

I will try to answer this as it is an interesting topic.  The “python scripts” 
that you write initially are mostly, single purpose command line ones.
For e.g. in order to add two numbers you can write your script (heck!, let’s 
call it as an worldchangingapp.py) like this.

#worldchangingapp.py

def add(x, y):
return x + y

if __name__ == ‘__main__’:
   add(4,5)

Simple, isn’t it?

Now, realize that the add() function that you have written may be useful to 
your friend as well, who does not want to reimplement the add function. So you 
decided that you will release your add function as a library, call it as 
arithmeticlib.py  

So arithmeticlib.py has this function now

# arithmeticlib.py

def add(x, y):
return x + y

And your worldchangingapp can include that lib

# worldchaningapp.py

from arithmeticlib import add

if __name__ == ‘__main__’:
add(4,5)


Now you are clear what a library is useful for.  

Similar to arithmeticlib, your friends have come out with statisticslib, 
permutationslib, algebraiclib etc to deal with other problems in the domain. 
You realize that you can bundle them all together and ship it as an common 
library called mathslib. To further make it interesting, you decided that you 
will structure your code in such as way, that calling any library will be easy 
and consistent.

For e.g.

doCalculate(x,y) will call arthimeticlib if two numbers are sent.
   will call statistics lib if two population data is 
sent.
   will call algebraic lib if two objects which of type 
Algebra are sent.

Your code will look easy to read. The work however, is the way you design your 
library “math lib”.  
At this point, you will design it to make it extensible, so that your user can 
extend the library and add his own functionality too.

Without realizing, you have now created a framework. This is how frameworks are 
usually created.

The hard part is the design process and that is solved by reading about 
software architecture, looking at the examples from the other world (most 
prominently the Java world, where (IMHO) the language leads to designing 
scalable systems in a disciplined manner well) and reading the books on Design 
patterns and looking at the code of popular web frameworks..

So Framework is just a collection of libraries (which is a collection of 
reusable code), which is designed with extensibility and easy of use in mind.

Hope this answers your question and you will be able to crack your interview 
question!. :)

Cheers,
Senthil



--  
Senthil Kumaran
Sent with Sparrow (http://www.sparrowmailapp.com/?sig)


On Sunday, June 1, 2014 at 11:58 PM, Sharanu Patil wrote:

 Hi ,
  
 I have been working in python in scripting for quiet some time ,
 since i am changing the job, in many interview they are asking below
 quesion
  
  have you worked on the python framework ,
  what is structure of it ,
 how do you develop a framework from the scratch 
  
 It is pleasure to post my first question about python on this mailing
 list
  
  
 Thanaks,
 Sharan
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Re: [BangPypers] Who do I contact in regards to PyCon India sponsorship?

[Senthil Kumaran]

http://in.pycon.org/2014/

I looked at it and found


Call for Sponsors

Earn some brownie points by sponsoring PyCon! Here is the Sponsorship
Prospectus http://in.pycon.org/2014/sponsorship-prospectus.pdf.
Need more information?
*cont...@in.pycon.org cont...@in.pycon.org*



On Fri, May 16, 2014 at 3:35 PM, Daniel Greenfeld pyda...@gmail.com wrote:

 I've looked all over the site and can't figure out how to submit a request
 for sponsoring the conference. I would love a contact point! :-)

 --
 'Knowledge is Power'
 Daniel Greenfeld
 Principal at Cartwheel Web; co-author of Two Scoops of Django
 twoscoopspress.org | pydanny.com
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Re: [BangPypers] back button issues with session handling in flask

[Senthil Kumaran]

Hi Adivandya,

On Sat, Sep 7, 2013 at 9:29 AM, Adivandhya adivand...@yahoo.co.in wrote:

 and second being i cannot use other extensions like flask-login etc, as im
 trying to make it on my own.
 How do i resolve this problem within the constraints ?


If you poke into flask-login, how does it handle that? Personally, I do now
know the a web app we keep any track of browser states. The idea could be
use of URLs and working with the session object based on the URL you are at
in terms of webapp.

-- 
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Re: [BangPypers] https://github.com/pythonhacker/ladies.py

[Senthil Kumaran]

Hello Annapoornima,

I can understand your stance, but I think, this email is bit strongly
worded and could hurt the readers.
And as a helpful note, I think, leadership on your effort could be built
more in friendly cooperative way than by  intimidation.

Personally, I care more about python, language, learning and than others.
 First three guarantee me to be neutral on any topic.
I hope, others in this list have that in that order too. So, sorry, I am
bowing out of this discussion and I hope others would too.

Thank you,
Senthil


On Sat, Sep 7, 2013 at 9:56 AM, Annapoornima Koppad a.kop...@gmail.comwrote:

 More, I had a good mind to email this particular detail to every women
 mailing list that I am aware of. But then, it would portray all Bangalore
 men in bad light. Which is not my intention. More over, I am in touch with
 the PSF board itself, I had a good mind to send your repository link to the
 PSF board itself.

 @Anand Pillai, I am aware that you are on this list. There was not one
 single email from you asking me about the intentions of Pyladies Bangalore.
 You give me more reasons to never learn from guys like you. Either you
 explain here on public and tell everyone what was the intentions behind
 this, whom exactly where you targeting, or apologize for your behavior,
 irrespective of your intentions,I will let it go. Else its your choice, you
 choose.

 @Vinayak, every woman on this emailing list needs to be aware of the
 cheekiness of other men (and women) who try to put you down. This will be a
 learning phase for them too.

 I dont think this counts as trolling. Please read thoroughly before
 emailing.

 Thanks and regards,
 Annapoornima
 Pyladies Bangalore




 On Sat, Sep 7, 2013 at 10:12 PM, Vinayak Hegde vinay...@gmail.com wrote:

  On second thoughts maybe this was the objectionable part
 
  def get_purpose():
   Return the purpose 
  raise AmbiguousMissionError, Mission unclear
 
  Also the URL http://ladiespy.com does not resolve.
 
  Also there are python programmers(gender-neutral term) on this list.
  Maybe if there are
  any issues with attitude, you are better off talking on this list and
  educating people
  than having a separate mailing list as it divides the community (which
  I assume was
  the intent of the author). Intent and tone do not travel well over the
  Internet.
 
  -- Vinayak
 
  On Sat, Sep 7, 2013 at 10:01 PM, Vinayak Hegde vinay...@gmail.com
 wrote:
 
   Hi Svaksha,
  
   This can be fixed by sending a mail to the author and in this case,
  forking, modifying and asking for a pull request.
  
   Why is there a necessity to name and shame ? I did not find anything
  derogatory in the code (that I checked).
  
   I would normally have responded to this offlist but I see this as
  trolling[1].
  
   -- Vinayak
   1. http://en.wikipedia.org/wiki/Troll_%28Internet%29
  
  
   On Sat, Sep 7, 2013 at 9:49 PM, svaksha svak...@gmail.com wrote:
  
   https://github.com/pythonhacker/ladies.py, comes off as trying too
  
   hard to be cute. #EpicFail.
  
  
   svaksha ॥ स्वक्ष
  
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Re: [BangPypers] Python Monk - Learn Python in your browser

[Senthil Kumaran]

Hello Anand,

Congratulations on this. This is going to be immensely useful for many
new comers and I am seeing  lot new comers to Python, using
environments like these to learn.  Yeah, C42 Engineering team have
done a good job with the platform too. I used this to learn to ruby.

Thank you,
Senthil


On Mon, Mar 25, 2013 at 7:22 AM, Anand Chitipothu anandol...@gmail.com wrote:
 Hello everyone!

 I have written an interactive learning book for Python at
 http://pythonmonk.com/learning/books/17.

 I would love it if you could go through the lessons and give feedback. This
 is an alpha version with limited content. We are releasing this to an
 audience we already know before we release to a larger audience.

 PythonMonk was built by the folks at C42 Engineering (http://c42.in) and
 uses the same platform as rubymonk.com.

 PS: This is the first place we are announcing PythonMonk and it is not
 ready for a large number of users yet. So please keep it within the group
 and not share the link anywhere else.

 Thanks!
 Anand
 http://anandology.com/
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Re: [BangPypers] Wake Up guys!

[Senthil Kumaran]

And the subject of your email is not helpful.  I get grumpy if you wake me
up in midst of my activity. :-)
Welcome to the group!
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[BangPypers] Fwd: Configuring web2py to run on apache with Centos5.8

[Senthil Kumaran]

I was going through my old emails and found this. This was perhaps the last
email Kenneth interacted with us all. - Senthil

-- Forwarded message --
From: Kenneth Gonsalves law...@gmail.com
Date: Wed, Jul 25, 2012 at 4:21 AM
Subject: Re: [BangPypers] Configuring web2py to run on apache with Centos5.8
To: bangpypers@python.org


On Wed, 2012-07-25 at 16:10 +0530, Guruprasad wrote:
 On Wed, Jul 25, 2012 at 3:55 PM, Senthil skksun...@yahoo.co.in
 wrote:
  Hi Kenneth,
 
  Really appreciate your help. I was able to configure the web2py to
 run on apache successfully. Thanks to everyone for the support.

 What was the issue and how did you solve it? It'd be great if you
 could post a short writeup.



the issue was that apache was giving forbidden error when trying to
access his app and the solution was to give apache the permissions. This
is a very common issue in fedora/redhat/centos/ where the default for
most directories under / is not to give execute permission to all. This
error was further compounded by him putting his app under /root which is
usually more heavily protected than most directories.
--
regards
Kenneth Gonsalves

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Re: [BangPypers] Sad demise of our dear KG (Keneth Gonsalvas)

[Senthil Kumaran]

Oh this is sad and unexpected :-(
Will surely be missing him. He provided a unique shape to our community.
Our prayers be with his family.

-- 
Senthil


On Fri, Aug 3, 2012 at 2:55 AM, JAGANADH G jagana...@gmail.com wrote:

 Hi All,

 Just now I got a message that our dear KG (Kenneth Gonsalvas) passed away.
 He was admitted in hospital due to Asthma attack and passed away today
 morning.
 Cremation will be held at ooty on 4th Aug 2012.

 --
 **
 JAGANADH G
 http://jaganadhg.in
 *ILUGCBE*
 http://ilugcbe.org.in
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Re: [BangPypers] Job list (was: [JOB] Aspirae Bangalore)

[Senthil Kumaran]

On Mon, Jul 2, 2012 at 8:41 PM, Gora Mohanty g...@mimirtech.com wrote:
 On 3 July 2012 07:07, Anand Chitipothu anandol...@gmail.com wrote:
 On Tue, Jul 3, 2012 at 5:24 AM, Noufal Ibrahim nou...@nibrahim.net.in 
 wrote:

 Having lots of job postings is a good sign of a healthy
 community. However, it does dilute the list a little. Sidu suggested a
 separate bangalore-python-jobs (or something similar) list.

 What's the general opinion?

 -1


-1

I think, I can sense the group feeling and agree with it by saying -1. :D

-- 
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Re: [BangPypers] Python/Perl Scripting resource

[Senthil Kumaran]

Hi Saager,

On Fri, May 25, 2012 at 05:39:33PM +0530, Saager Mhatre wrote:
  Senthil Kumaran sent...@uthcode.com writes:
 
 
 Could someone just point the OP to the Posting guidelines for this list,
 especially the ones around job postings?

Yes, those are guidelines,  not rules! :-)

-- 
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Re: [BangPypers] Python/Perl Scripting resource

[Senthil Kumaran]

Hello Harpal,

When you said resource, I thought you were looking for a book. Looks
like you are looking for a developer. May I suggest you use the proper
terminology in emails?

Thank you,
Senthil


On Wed, May 23, 2012 at 10:35:43AM +, harpal.sin...@wipro.com wrote:
 Hello,
 
 I have an urgent requirement for a Python/Perl Scripter. If you are 
 interested/available immediately, pls. reply to this mail with your contact 
 number.
 Location: Bangalore
 JD:
 
 *Discuss with customer, Tool expert (Nagios monitoring tool) and 
 understand the requirement
 
 *Develop scripts using Perl and/or Python language depending on 
 the requirement
 
 *Test functionality of the scripts developed
 
 *Understand the existing scripts on Perl / Python languages and 
 modify or enhance that same based on requirement
 
 *Troubleshoot  fix issues to ensure desired functionality
 
 *Should have hands-on experience on Linux or any UNIX flavours
 
 *Very good communication and planning capabilities
 
 
 
 Thanks  Best Regards,
 Harpal Singh
 E-mail: harpal.sin...@wipro.commailto:harpal.sin...@wipro.com
 
 
 Please do not print this email unless it is absolutely necessary. 
 
 The information contained in this electronic message and any attachments to 
 this message are intended for the exclusive use of the addressee(s) and may 
 contain proprietary, confidential or privileged information. If you are not 
 the intended recipient, you should not disseminate, distribute or copy this 
 e-mail. Please notify the sender immediately and destroy all copies of this 
 message and any attachments. 
 
 WARNING: Computer viruses can be transmitted via email. The recipient should 
 check this email and any attachments for the presence of viruses. The company 
 accepts no liability for any damage caused by any virus transmitted by this 
 email. 
 
 www.wipro.com
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Re: [BangPypers] Python/Perl Scripting resource

[Senthil Kumaran]

Thanks Harpal.

On Thu, May 24, 2012 at 11:50:18AM +, harpal.sin...@wipro.com wrote:
 OK thanks.
 
 Thanks  Best Regards,
 Harpal Singh
 Mob: +91-81230-84445
 E-mail: harpal.sin...@wipro.com
 
 -Original Message-
 From: Senthil Kumaran [mailto:sent...@uthcode.com]
 Sent: 24 May 2012 17:18
 To: Harpal Singh (WT01 - Manufacturing  Hi Tech); Bangalore Python Users 
 Group - India
 Subject: Re: [BangPypers] Python/Perl Scripting resource
 
 Hello Harpal,
 
 When you said resource, I thought you were looking for a book. Looks like you 
 are looking for a developer. May I suggest you use the proper terminology in 
 emails?
 
 Thank you,
 Senthil
 
 
 On Wed, May 23, 2012 at 10:35:43AM +, harpal.sin...@wipro.com wrote:
  Hello,
 
  I have an urgent requirement for a Python/Perl Scripter. If you are 
  interested/available immediately, pls. reply to this mail with your contact 
  number.
  Location: Bangalore
  JD:
 
  *Discuss with customer, Tool expert (Nagios monitoring tool) 
  and understand the requirement
 
  *Develop scripts using Perl and/or Python language depending on 
  the requirement
 
  *Test functionality of the scripts developed
 
  *Understand the existing scripts on Perl / Python languages and 
  modify or enhance that same based on requirement
 
  *Troubleshoot  fix issues to ensure desired functionality
 
  *Should have hands-on experience on Linux or any UNIX flavours
 
  *Very good communication and planning capabilities
 
 
 
  Thanks  Best Regards,
  Harpal Singh
  E-mail: harpal.sin...@wipro.commailto:harpal.sin...@wipro.com
 
 
  Please do not print this email unless it is absolutely necessary.
 
  The information contained in this electronic message and any attachments to 
  this message are intended for the exclusive use of the addressee(s) and may 
  contain proprietary, confidential or privileged information. If you are not 
  the intended recipient, you should not disseminate, distribute or copy this 
  e-mail. Please notify the sender immediately and destroy all copies of this 
  message and any attachments.
 
  WARNING: Computer viruses can be transmitted via email. The recipient 
  should check this email and any attachments for the presence of viruses. 
  The company accepts no liability for any damage caused by any virus 
  transmitted by this email.
 
  www.wipro.com
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 The information contained in this electronic message and any attachments to 
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 the intended recipient, you should not disseminate, distribute or copy this 
 e-mail. Please notify the sender immediately and destroy all copies of this 
 message and any attachments. 
 
 WARNING: Computer viruses can be transmitted via email. The recipient should 
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 accepts no liability for any damage caused by any virus transmitted by this 
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Re: [BangPypers] Python/Perl Scripting resource

[Senthil Kumaran]

On Thu, May 24, 2012 at 06:42:56PM +0530, Noufal Ibrahim wrote:
 It's an abstraction a lot of companies use for person employed by the
 company. I consider it is dehumanising and have taken some flak for
 objecting to the term. 

Yeah, that's true. Does not quite sound right as I really thought they
were looking for book or a website. A resource. More over if I deal
with uniform resource locators often, I quite think that way!. :)

 
 As far as I can tell though, it's here to stay. The hiring staff, in my
 experience, take pride in being called the Human resource department.

Yeah!. That did not strike me at all! How interesting..

-- 
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Re: [BangPypers] May Meetup

[Senthil Kumaran]

On Sun, May 20, 2012 at 11:06:12PM +0530, Baiju M wrote:
 You can replace remote execution systems like Fabric  Capistrano with Salt.
 Also you can replace configuration management systems like Puppet,
 Chef  CFEngine.

Wow! Just a pinch of Salt sounds interesting. :)

-- 
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[BangPypers] Fw: [Python-Dev] [RELEASED] Python 2.6.8, 2.7.3, 3.1.5, and 3.2.3

[Senthil Kumaran]

It's an important release.

On Wed, Apr 11, 2012 at 03:37:49PM -0400, Benjamin Peterson wrote:
 We're bursting with enthusiasm to announce the immediate availability of 
 Python
 2.6.8, 2.7.3, 3.1.5, and 3.2.3. These releases included several security 
 fixes.
 
 Note: Virtualenvs created with older releases in the 2.6, 2.7, 3.1, or 3.2
 series may not work with these bugfix releases. Specifically, the os module 
 may
 not appear to have a urandom function. This is a virtualenv bug, which can be
 solved by recreating the broken virtualenvs with the newer Python versions.
 
 The main impetus for these releases is fixing a security issue in Python's 
 hash
 based types, dict and set, as described below. Python 2.7.3 and 3.2.3 include
 the security patch and the normal set of bug fixes. Since Python 2.6 and 3.1 
 are
 maintained only for security issues, 2.6.8 and 3.1.5 contain only various
 security patches.
 
 The security issue exploits Python's dict and set implementations. Carefully
 crafted input can lead to extremely long computation times and denials of
 service. [1] Python dict and set types use hash tables to provide amortized
 constant time operations. Hash tables require a well-distributed hash function
 to spread data evenly across the hash table. The security issue is that an
 attacker could compute thousands of keys with colliding hashes; this causes
 quadratic algorithmic complexity when the hash table is constructed. To
 alleviate the problem, the new releases add randomization to the hashing of
 Python's string types (bytes/str in Python 3 and str/unicode in Python 2),
 datetime.date, and datetime.datetime. This prevents an attacker from computing
 colliding keys of these types without access to the Python process.
 
 Hash randomization causes the iteration order of dicts and sets to be
 unpredictable and differ across Python runs. Python has never guaranteed
 iteration order of keys in a dict or set, and applications are advised to 
 never
 rely on it. Historically, dict iteration order has not changed very often 
 across
 releases and has always remained consistent between successive executions of
 Python. Thus, some existing applications may be relying on dict or set 
 ordering.
 Because of this and the fact that many Python applications which don't accept
 untrusted input are not vulnerable to this attack, in all stable Python 
 releases
 mentioned here, HASH RANDOMIZATION IS DISABLED BY DEFAULT. There are two ways 
 to
 enable it. The -R commandline option can be passed to the python executable. 
 It
 can also be enabled by setting an environmental variable PYTHONHASHSEED to
 random. (Other values are accepted, too; pass -h to python for complete
 description.)
 
 More details about the issue and the patch can be found in the oCERT advisory
 [1] and the Python bug tracker [2].
 
 Another related security issue fixed in these releases is in the expat XML
 parsing library. expat had the same hash security issue detailed above as
 Python's core types. The hashing algorithm used in the expat library is now
 randomized.
 
 A few other security issues were fixed. They are described on the release 
 pages
 below.
 
 These releases are production releases.
 
 Downloads are at
 
 http://python.org/download/releases/2.6.8/
 http://python.org/download/releases/2.7.3/
 http://python.org/download/releases/3.1.5/
 http://python.org/download/releases/3.2.3/
 
 As always, please report bugs to
 
 http://bugs.python.org/
 
 Happy-to-put-hash-attack-issues-behind-them-ly yours,
 The Python release team
 Barry Warsaw (2.6), Georg Brandl (3.2), and Benjamin Peterson (2.7 and 3.1)
 
 [1] http://www.ocert.org/advisories/ocert-2011-003.html
 [2] http://bugs.python.org/issue13703
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Re: [BangPypers] Help pyqt learning guide.

[Senthil Kumaran]

Hello Ganesh,

The best way to learn GUI development is to develop a simple
application. The tutorials can assist you -
http://zetcode.com/tutorials/pyqt4/

But set yourself a target - like a GUI application using which you can
post to your blog. Try doing this and you should be in the right path.
You could share with the group once you have  something to show!


Thanks,
Senthil

On Fri, Mar 30, 2012 at 03:04:01PM +0530, Ganesh Kumar wrote:
 Hi guys,
 
 I am new to pyqt. please suggest any good material to understand pyqt.
 please guide me.
 
 -Ganesh.
 Did I learn something today? If not, I wasted it.
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Re: [BangPypers] JOB - Senior Web Developer - Talented Team!

[Senthil Kumaran]

On Fri, Mar 16, 2012 at 11:38:09AM +0530, Anand Balachandran Pillai wrote:
 
 Bad karma. I should set the return address for the group to the sender
 perhaps :)
 

Now, that would result in bad karma not the previous email. :)

-- 
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Re: [BangPypers] Https and http difference in behaviour urllib2

[Senthil Kumaran]

On Sat, Mar 03, 2012 at 09:41:57AM +0530, Baiju M wrote:
 On Sat, Mar 3, 2012 at 9:32 AM, Senthil Kumaran sent...@uthcode.com wrote:
  On Wed, Feb 29, 2012 at 08:21:31PM +, Anand Chitipothu wrote:
 [...snip...]
  I disagree. People look for simplicity.
 
  Yes, I agree that in general, people appreciate simplicity. I too.
 
  My previous comment was more aligned with how I read it in what people
  liked in requests. Rough thoughts were along the lines like .get,
  .post with data, .head etc and managing certs. All these are split
  across different modules in stdlib and I found that requests provided
  it a single place and useful entry for people doing most-common
  operations.
 
 Sometimes features are very important.  I stared using requests for one
 work, but later I found that it is not thread safe, then I switched to 
 urllib3:
 http://urllib3.readthedocs.org/en/latest/index.html

That sounds interesting. I had looked at urllib3 only during its early
and did not follow that. I think, I should revisit all those stock.
Looks like the author of httplib2 just updated with some useful
features too. 

-- 
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Re: [BangPypers] Https and http difference in behaviour urllib2

[Senthil Kumaran]

On Wed, Feb 29, 2012 at 08:21:31PM +, Anand Chitipothu wrote:
 2012/2/29 Senthil Kumaran sent...@uthcode.com:
  On Tue, Feb 28, 2012 at 03:17:53PM +0530, Anand Balachandran Pillai wrote:
  For any kind of client side HTTP coding, I suggest the new requests 
  library.
  I myself have been a heavy user of urllib2/urllib but these libraries are
  developer unfriendly and doesnt look like their problems are going to get
  fixed soon.
 
  :-) It should be fixed soon. What I have realized is, people look for
  comforts than features. requests provides comfortable interfaces,
  building on top of urllib2. I think, those interfaces could find a way
  within the lib.
 
 I disagree. People look for simplicity.

Yes, I agree that in general, people appreciate simplicity. I too. 

My previous comment was more aligned with how I read it in what people
liked in requests. Rough thoughts were along the lines like .get,
.post with data, .head etc and managing certs. All these are split
across different modules in stdlib and I found that requests provided
it a single place and useful entry for people doing most-common
operations.

Thanks,
Senthil

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Re: [BangPypers] Https and http difference in behaviour urllib2

[Senthil Kumaran]

On Tue, Feb 28, 2012 at 03:17:53PM +0530, Anand Balachandran Pillai wrote:
 For any kind of client side HTTP coding, I suggest the new requests library.
 I myself have been a heavy user of urllib2/urllib but these libraries are
 developer unfriendly and doesnt look like their problems are going to get
 fixed soon.

:-) It should be fixed soon. What I have realized is, people look for
comforts than features. requests provides comfortable interfaces,
building on top of urllib2. I think, those interfaces could find a way
within the lib.


Thanks,
Senthil
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Re: [BangPypers] Https and http difference in behaviour urllib2

[Senthil Kumaran]

On Wed, Feb 22, 2012 at 6:04 PM, Amit Sethi amit.pureene...@gmail.com wrote:
 When I pass encoded url using http it again encodes the parameters
 whereas in case of https it does not urlencode again

It should not happen this way. Both should behave the same for the url
that you send.
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Re: [BangPypers] Python private coach?

[Senthil Kumaran]

Hi Kenneth,

On Wed, Feb 08, 2012 at 03:17:06PM +0530, Kenneth Gonsalves wrote:
 I do private one-to-one coaching in python and django. I am based in

Was the group response intentional? If so, appreciate that!. :-)

Thanks,
Senthil
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Re: [BangPypers] turbogears to pyramid or django

[Senthil Kumaran]

Moving to Pyramid might be easier, because Pyramid is nothing but
Pylons + TG + repoze.bfg etc. Pyramid is a unification and based upon
some of the ealier framework. You could use sqlalchemy, controller and
developmemnt.ini of your existing project out of box for Pyramid (but
not for django). I am not sure
what is tg2env.

On Thu, Feb 02, 2012 at 01:01:00AM +0530, Saju M wrote:
 HI,
 
 I have a project developed in turbogears, i want to move it to Pyramid or
 Django,  which is the best option ???
 I am using following feature of TG2
 controller
 sqlalchemy
 tg2env
 developement.ini
 Not using any template system, since UI developed using EXTJS
 
 Reason to this change is, Pylons stopped further support for TG2.
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Re: [BangPypers] checking return status of 'ping' in windows

[Senthil Kumaran]

On Sat, Jan 21, 2012 at 11:59:40PM +0530, Nikunj Badjatya wrote:
 How do I make my snippet to work as desired. i.e even if destination host
 is unreachable, 'status' should hold '1'  and hold '0' only when it gets
 reply from that ip address.??

You are doing it right with subprocess and you can extend the same.
Why don't you parse the output of the ping instead of the checking the
output status? When the interpretation of output status can be
ambiguous, as in your case, it is good to verify the content of the
output and assert it's suitability for the next action that you wish
to perform.

HTH,
Senthil
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Re: [BangPypers] checking return status of 'ping' in windows

[Senthil Kumaran]

On Mon, Jan 23, 2012 at 11:12:38AM +0530, Mandar Vaze / मंदार वझे wrote:
 If OP has requirements to run the code on non-english OS setup (Japanese,

Did he mention about it ? If he did, then I might have missed it and
yeah, true some other strategy has to be adopted. Moreover, dealing
with non-english is a different beast altogether. If not, one should
not find reasons to shy away from writing simple, useful and solving
the purpose solutions.

-- 
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Re: [BangPypers] Python 3 availability

[Senthil Kumaran]

It is currently available on Ubuntu, Fedora, Arch OS that I know off.
You can install it using your OS package manager.

-- 
Senthil


On Thu, Jan 19, 2012 at 04:06:58PM +0530, Jins Thomas wrote:
 Hi all,
 
 Would like to have some guesses on  when Python 3 will be available with
 standard distributions of Linux/Unix.
 
 Cheers
 Jins Thomas
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[BangPypers] getpython3

[Senthil Kumaran]

Hi Baiju,

Is getpython3.com the same site that you initiated here last year? Or
has it gone any transformation? The content is ofcourse very
interesting.

-- 
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Re: [BangPypers] getpython3

[Senthil Kumaran]

On Wed, Jan 18, 2012 at 06:07:43PM +0530, Baishampayan Ghose wrote:
  That is not the one I started, this is a new one from Jesse Noller.
  getpython3.net I stopped as there was not any interest from the community.
  If anyone want to take over it, I can give the domain and other details.
 
 May be you should just redirect getpython3.net to getpython3.com with a 301.

Yeah. that would be good idea. I think the author of getpython3.comm
could have contributed to original one, but yeah the purpose seems to
be same. So, it is fine.

-- 
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Re: [BangPypers] getpython3

[Senthil Kumaran]

On Wed, Jan 18, 2012 at 06:37:26PM +0530, Baishampayan Ghose wrote:
  That is not the one I started, this is a new one from Jesse Noller.
  getpython3.net I stopped as there was not any interest from the community.
  If anyone want to take over it, I can give the domain and other details.
 
  May be you should just redirect getpython3.net to getpython3.com with a 
  301.
 
  Done.
 
 Awesome!

Cool. By the time I sent the draft email.

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Re: [BangPypers] getpython3

[Senthil Kumaran]

On Wed, Jan 18, 2012 at 09:51:02PM +0530, Noufal Ibrahim wrote:
 getpython3.com was a more comprehensive site with information on porting
 and increasing Python3 adoption and usage. 
 
 In all fairness, I recollect that Jesse tweeted/emailed us about
 collaborating but it fell between the cracks and never really took off.

I see. That's pretty good and good that it is redirected to the active
one now.

thanks,
Senthil
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Re: [BangPypers] Python ORM

[Senthil Kumaran]

On Sat, Jan 14, 2012 at 09:40:16PM +0530, kracekumar ramaraju wrote:
 
 Out all examples and discussions, every one seems to recommend  SQLAlchemy,
 but it has deep learning curve whereas storm, peewee are light weight. Have
 anyone tried any of these for non-trivial project or real life big sites,
 in case yes please share the experience.

I would use anything that is easy for me to get started, understand
and it go's well with the project in the production. I have used Storm
in Production and have used SQLAlchemy, custom written ORM, Appengine
db , plain SQL etc. Have had no issues so far. May be you should do
the same. Pick one and get going?

-- 
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Re: [BangPypers] I have solved some of the project euler problems in python

[Senthil Kumaran]

Very nice. I have found Euler' problems focusing on maths a lot. I
could have only solve a couple of them, this thread kindles my
interest to try more. :)

Senthil

On Thu, Jan 12, 2012 at 11:48:26PM +0530, Anand Balachandran Pillai wrote:
 Hi Reddy,
 
 I had solved some 50 or odd euler problems in 2006 in Python. I
 have
 the solutions saved somewhere in my laptop. I will look at yours and
 probably try to publish
 mine as well.
 
It is quite an interesting project.
 
 --Anand
 
 On Thu, Jan 12, 2012 at 1:31 PM, Sreenivas Reddy T 
 thatiparthysreeni...@gmail.com wrote:
 
  Sorry!!
  Here is the link..
 
  https://github.com/srinivasreddy/euler
 
  Thanks  Regards,
  Sreenivas Reddy Thatiparthy,
  9703888668.
 
  Anyone who has never made a mistake has never tried anything new !!! 
  --Albert Einstein
 
 
  On Thu, Jan 12, 2012 at 1:30 PM, Sreenivas Reddy T 
  thatiparthysreeni...@gmail.com wrote:
 
   Hi ,
   I have solved 32 of  project euler problems  in python.If you
   anybody interested please take a look at them.
   Any kind of feedback is welcome.
  
   I am planning to solve more of them in future.
  
   Another question i have is,do these worth mention on resume?I feel more
   like these should be in hobby section.
  
   P.S: i never googled for a solution . :)
  
   Thanks  Regards,
   Sreenivas Reddy Thatiparthy,
  
   Anyone who has never made a mistake has never tried anything new !!! 
   --Albert Einstein
  
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Re: [BangPypers] [X-POST] Selenium Simple Test

[Senthil Kumaran]

On Wed, Jan 11, 2012 at 09:16:04AM +0530, Venkatraman S wrote:
 This does look super-simple! Linky :
 http://www.youtube.com/watch?v=qGPostUOAEI


Looks pretty simple. But the XPATH based expression language exposed
via selenium is not hard either. That ties with the browser well and
most often when we have to determine the correct DOM for the elements
in the path, anything browser based becomes more useful.

-- 
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[BangPypers] Is there any relation between web2py and webpy

[Senthil Kumaran]

Other than the fact that they are both web frameworks.

Given their levenshtein distance being 1, I am really curious if there
any social or historical relationship between then. 

-- 
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Re: [BangPypers] Truth Tests (bool)

[Senthil Kumaran]

On Wed, Jan 11, 2012 at 09:49:58AM +0530, Noufal Ibrahim wrote:

  It is not clear what you want from your description.  To check if a
  list is empty, see if len( list ) is zero.
 
 You don't want to do that. Your list might be a generator (unless you
 check for type which is a bad idea anyway) and lening that will
 consume it which might be a potentially expensive operation. 

While the explaination on __nonzero__ is useful out of this context,
how can list be a generator? I am assuming that none are confusing the
terminologies.

In practical cases for testing boolean in lists, just use the list as
the test. Empty list is false.

-- 
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Re: [BangPypers] Is there any relation between web2py and webpy

[Senthil Kumaran]

On Wed, Jan 11, 2012 at 06:34:14PM +0530, Anand Chitipothu wrote:
 
 No.

Ok. It's good coincidence.

-- 
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Re: [BangPypers] Is there any relation between web2py and webpy

[Senthil Kumaran]

On Wed, Jan 11, 2012 at 08:43:07PM +0530, Gora Mohanty wrote:
 
 So is the distance between Gora and Gori (apply smileys
 as needed).

Wow! And I believe that would make a dynamic programming pair.
(ditto)


-- 
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Re: [BangPypers] Truth Tests (bool)

[Senthil Kumaran]

On Tue, Jan 10, 2012 at 10:55:58PM +0530, Gora Mohanty wrote:
 To check if a list is empty, see if len( list ) is zero.

I think, usually we just test the empty list for it's False-ness.
Isn't it?

-- 
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Re: [BangPypers] python framework for android

[Senthil Kumaran]

On Tue, Jan 10, 2012 at 10:13 AM, Anand Chitipothu anandol...@gmail.com wrote:

 If it has Java, why not use write the apps in Python using Jython?


I recollect that for using Jython for mobiles where j2me was
previously suitable  is not possible because jython does not work well
with j2me kind of class/libraries.
It is more for standard java (java SE) and I guess, similar arguments
hold for android too and that is why a lot  of projects are spawning
trying to support jython on android.

For mixing it pure java applications, Jython is fanastic.


-- 
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Re: [BangPypers] Alternate to XMLRPCServer

[Senthil Kumaran]

 On Fri, Jan 6, 2012 at 12:59 AM, Senthil skksun...@yahoo.co.in wrote:

  I have an xmlRPC standalone server written wholly in python. Now am facing
  problems in scaling the services. The more we start adding features, the
  response gets slower. Is there any alternate server architectures i should
  start thinking of ? This server works on basis of threaded architecture and
  am seeing some complaints about threading in python. Should i be
  considering anything else ?
 
  Please advise.

As others have advised well, twisted is really suitable candidate for
this. Here is bit of strategy for you if you were to develop your
first application using twisted (if the concept of reactors is new).

- Follow the twisted tutorial right from the finger example.
- At the point in the tutorial were your finger service is going to
  use xmlrpc, try 'fit-in' your requirements logic into that style.

- Once you have small outline of that style of program working for
  multiple parallel connections go head with making your program
  complete.

If you would like to relish in understanding the concepts underlying
twisted, look at the documentation written by dave peticolas. They are
really good.


HTH,
Senthil

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Re: [BangPypers] python framework for android

[Senthil Kumaran]

You can use django and fireup the browser in android to do the requests. :)

Apart from that, there is android-scripting application (not a
framework) http://code.google.com/p/android-scripting/, where in your
restricted python scripts can be made to execute But that is far less
featured than using Android SDK itself. I have seen people going back
to SDK after trying the scripting environment for a while.

-- 
Senthil


On Wed, Jan 4, 2012 at 2:07 PM, Kenneth Gonsalves law...@gmail.com wrote:
 hi,

 can anyone recommend a python framework for android?
 --
 regards
 Kenneth Gonsalves

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Re: [BangPypers] python framework for android

[Senthil Kumaran]

On Wed, Jan 4, 2012 at 2:18 PM, Kenneth Gonsalves law...@gmail.com wrote:

 am looking at kivy right now

Looks neat. I would like to try that one too.

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Re: [BangPypers] colored o/p

[Senthil Kumaran]

 Nitin Kumar nitin.n...@gmail.com writes:
 
  I am trying to format o/p (colored bold string) on console. say IDLE or
  python command prompt using python modules.

urwid is a library which can handle those for you. Give a try! It is
very close to what ncurses can be used for.

HTH,
Senthil

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Re: [BangPypers] Selenium with python training

[Senthil Kumaran]

On Thu, Nov 17, 2011 at 12:43:27PM +0530, Kenneth Gonsalves wrote:
 On Thu, 2011-11-17 at 15:07 +0800, Senthil Kumaran wrote:
  BTW, selenium is web functional testing, more like how user uses the
  web app. It provides hooks to variety of languages, python being one.
  Javascript knowledge would be more desirable for selenium than
  python. 
 
 javascript? not java? 

I think, while recording the tests with selenium ide, DOM, XPATH, CSS
and id know-hows were more useful than anything else.  These concepts
are language agnostic, but given that many times we try to test the
javascript events on browser, I thought javascript is more useful.

Java is for mobile /server side these days, right? :)

-- 
Senthil

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Re: [BangPypers] Selenium with python training

[Senthil Kumaran]

Are you sure, you found this email list?  Never mind, but I think it
is  good email for someone who is willing to take a training session
to contact Nirmal directly.
BTW, selenium is web functional testing, more like how user uses the
web app. It provides hooks to variety of languages, python being one.
Javascript knowledge would be more desirable for selenium than python.

Thanks,
Senthil


On Thu, Nov 17, 2011 at 3:03 PM, Nirmal Kumar A S nirma...@aditi.com wrote:
 Dear all,
 Good morning.

 This is Nirmal from Aditi technologies, and looking after a training request 
 on Selenium with  python.
 As I surfed, found your names interesting and suitable.

 The training need has time constraint. (as early as this weekend).

 Can you please help us here? Reach me on mails for quick response!

 Thank you.

 Regards,
 Nirmal Kumar A S,
 9901405193

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Re: [BangPypers] seantis questionnaire - Django App

[Senthil Kumaran]

Right in this list, by asking. 

https://github.com/rmt/seantis-questionnaire/wiki

:-)


On Mon, Nov 14, 2011 at 01:52:37PM +, Asif Jamadar wrote:
 Where i can get user manual or tutorial for seantis questionnaire django 
 application?
 
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Re: [BangPypers] [OT] Yahoo Big Thinkers talk

[Senthil Kumaran]

OMG. I was the one who was trying to suggest that we be lenient. But
this looks that fodder for  yet another discussion. :(


On Wed, Nov 9, 2011 at 4:48 PM, Sanjay Padubidri
sanjaypadubi...@gmail.com wrote:
 Off topic, but people on the list may be interested in this talk:
 http://in.bigthinkers.yahoo.com/event.php?id=19

 Topic: Representing Knowledge in Computers: A Surprising Development from
 the 1980’s and Its Importance for Today’s World By: Dr. Ronald J. Brachman,
 Vice President of Yahoo! Labs and Research Operations

 -Sanjay Padubidri
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Re: [BangPypers] ubuntu fonts..

[Senthil Kumaran]

Yes +1 for Incosolata. It is best for programming and particularly for
python programming.

Here we use 'python' term in the email and it becomes relevant to this list. :)

Also, check with Google Docs css they have  Ubuntu font too. I am
sure, python programming would look good in ubuntu font.

I think, we have to learn the trick it seems,  so that few ho are
looking for python term do not get hurt. :) :)

-- 
Senthil

On Wed, Nov 9, 2011 at 2:11 PM, Gopalakrishnan Subramani
gopalakrishnan.subram...@gmail.com wrote:
 You could try using  inconsolata font (
 http://www.levien.com/type/myfonts/inconsolata.html), a mono space font
 which is available for ubuntu and windows.
 I use with emacs all the way on windows and ubuntu both.

 On Wed, Nov 9, 2011 at 8:14 AM, Sreenivas Reddy T 
 thatiparthysreeni...@gmail.com wrote:

 I should have mentioned  that i googled but no success...thanks for the
 lmgtfy...   :)

 On Nov 9, 2011 7:16 AM, Vinay Shastry vinayshas...@gmail.com wrote:
 
  On 8 November 2011 18:51, Sreenivas Reddy T
  thatiparthysreeni...@gmail.com wrote:
   Hi,
  
   Please pardon me for this off-topic post.
  
   I really like default font of ubuntu command line. I don’t know the
 name of
   it or I don’t know how to get the name of it.
  
   Anybody know the name of that font?
  
   Are they present in windows too? If they don’t come with windows (I use
   windows 7) by default where do I get them?
 
  http://lmgtfy.com/?q=ubuntu+font
 
  http://font.ubuntu.com/
 
  --
  Vinay S Shastry
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Re: [BangPypers] [chennaipy 1126] [XPost][Slightly OT] Could you

[Senthil Kumaran]

On Thu, Nov 03, 2011 at 11:09:28PM +0530, Noufal Ibrahim wrote:
 My favourite metrics to judge real ability are (in decreasing order of
 usefulness).

I agree with all. Those are indeed good indicators of developers. When
looking for freshers to hire for working Python, I indicated that just
don't think for Python in resume. I think, It is irrelevant.

-- 
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Re: [BangPypers] [chennaipy 1126] [XPost][Slightly OT] Could you share your experiences about Python Freelance programming, from a programmer's perspective

[Senthil Kumaran]

On Wed, Nov 02, 2011 at 09:37:32PM +0530, Rajeev J Sebastian wrote:
 
 Given that the fresher lacks knowledge in any given area, what kind of
 testing should we use? Since we do development in Python and Django,
 and so far no candidate has come to us with Python on their resume,
 what do you suggest we do?

I can understand your situation. One possible suggestion is to pay
well and hire smart students based upon their academic and project
strengths and let them start new on whichever technologies you are
using.

-- 
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Re: [BangPypers] Calling Python from JavaScript

[Senthil Kumaran]

Hello Asif,

On Tue, Nov 01, 2011 at 08:43:11AM +, Asif Jamadar wrote:
 Is there a simple way to call Python libraries from JavaScript?
 

What do you ultimately intend to do with this requirement? You can do
a HTTP Ajax request via javascript and then your server could delegate
it to python controller. Is it such a requirement or you have some
other thing in your mind?

-- 
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Re: [BangPypers] Python OCR Reader

[Senthil Kumaran]

On Wed, Nov 2, 2011 at 11:17 AM, Gopalakrishnan Subramani
gopalakrishnan.subram...@gmail.com wrote:

 I am trying to build a simple   voice based advisory system for a simple
 Window game for my 19 month old daughter.

Wow!. Sounds like an exciting project.

 It has to read the basic letters in a small game and where I put my voice
 for her to listen and direct her based on screen scenario.

I am sorry, I fail to get where the hand written text or need for OCR
comes in here.
If you are developing the game you are having the total control of the
text input.

 I did small experiments with tesseract. But not sure whether it is the best
 library in python world for most of my cases.

AFAIK, yes. tesseract is the same engine used for book scanning in
google books and python apis would be using the same engine.

---
Senthil
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Re: [BangPypers] Python OCR Reader

[Senthil Kumaran]

On Mon, Oct 31, 2011 at 11:30:21AM +0530, Gopalakrishnan Subramani wrote:
 Anyone can give good advises on OCR tools in Python? Not necessarily native
 python tools even with python wrapper will be good. I would never tweak or
 change the source code or learn deep into OCR technology. I just want a lib
 sort of things and Python wrapper to know.
 
 I found http://code.google.com/p/pytesser/ and playing a little. But not
 sure how good it is.

What is your purpose of using a tesseract client? Would you be
extending it? The tesseract-ocr project (and it's binaries) is pretty
well maintained and it works well on windows. I assume the python
client to be good too. 

-- 
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Re: [BangPypers] [XPost][Slightly OT] Could you share your experiences about Python Freelance programming, from a programmer's perspective

[Senthil Kumaran]

Hi Vishal,

On Mon, Oct 31, 2011 at 8:12 PM, Vishal vsapr...@gmail.com wrote:

 I am trying to get a feel of how it is to do freelance programming...in
 Python..in India ?

I have some experience though not a good one, because I fared badly. I
was in much need of money, so I had to return to corporate world.
But, the brief time did give me some first hand experience. I feel, I
am better equipped if I want to try that again.

So, it would not be bad idea to try and learn for your friend.  The
best way to start would be get project from a known person who can
trust you and deliver it.

Good luck!
Senthil
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Re: [BangPypers] Reg. current work in pycrypto

[Senthil Kumaran]

Hello Nivedita,

On Mon, Oct 24, 2011 at 09:12:55AM +0530, nivedita datta wrote:
 Can anyone tell me about some projects or applications which has been built
 using pycrypto. Also I would like to know about any ongoing/past project or
 application development in pycrypto.

Just check the PyCrypto website for all the information that you need.
BTW, the last time I had an idea of using it, I felt it was not
maintained properly, so I choose not to use it and instead build using
the standard ssl support in the libraries/packages.

-- 
Senthil

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Re: [BangPypers] Interesting library

[Senthil Kumaran]

On Mon, Oct 17, 2011 at 01:48:04PM +0530, Noufal Ibrahim wrote:
  Came across this interesting library for sys-ad stuffs.
 
  http://docs.fabfile.org/en/1.2.2/index.html
 
 
  Isn't paramiko enough for most remote scripting tasks ?
 
 fabric is an abstraction over paramiko that's a lot more domain
 specific than just an ssh connection.
 
 It's similar to make in invocation. You say things like fab deploy
 fab rollback etc. 

Under lot of circumstances, I found wrapping ssh (with it's zillion
options) far more flexible than using the libraries for remote
scripting. This is applicable to even multi-threaded servers.

I for one, yet to stumble upon a case where the above wrapper would
fail.

Thanks.
Senthil
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Re: [BangPypers] Reportlab tool with SAP

[Senthil Kumaran]

On Mon, Oct 17, 2011 at 11:58:48AM +, Asif Jamadar wrote:
 Is it possible to integrate Reportlab tool  with SAP?

Integrate is a vague term. So the answer is yes!. :-)

 I want to generate graphs or charts for the data which is present in SAPDB.

Don't know about SAPDB, but you can generate pdf or process text using
Reportlab. I hope you can store those in  SAPDB.


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Re: [BangPypers] Looking for Guest Speaker on Python and NLTK

[Senthil Kumaran]

On Sat, Oct 15, 2011 at 10:19:17PM +0530, Anand Balachandran Pillai wrote:
  Some course from stanford on ml and ai.
  ml-class.org
 
 
 I have enrolled for this and I am currently taking the basic course
 lessons online. It is pretty good,
 
 I have an assignment on linear regression due tomorrow :)
 
 
  ai-class.org
 

I am doing this. Just completed the assignment as well.
It is pretty good.

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Re: [BangPypers] + SSL Error , while making HTTPS server

[Senthil Kumaran]

On Sat, Oct 15, 2011 at 02:24:08PM +0530, deepak gupta wrote:
 I am getting  no OPENSSL_Applink while creating context for HTTPS
 server, It occur in the line  'ctx.set_tmp_dh('dh1024.pem')'.  Do
 any one knows why this error occured and what will happen if I will
 comment 'ctx.set_tmp_dh('dh1024.pem')' line and proceed.


Some explanation  first. When dealing with SSL, you create an SSL
Context object and then feed in the required certs, passphrases, keys
etc and then give callbacks and actions to that. That is most of the
systems are designed to work.

In your case, you are using M2Crypto library to provide the SSL
functionality.

M2Crypto seem to have this method called set_tmp_dh and the dh stands
for the diffee hellman algorithm and consuming the .pem certificate to
be associated with the  your ssl context object.

If you the .pem certificate is of the format which is not applicable
to the algorithm you are using, then you might get some errors.

http://nullege.com/codes/search/M2Crypto.SSL.Context.set_tmp_dh

http://www.openssl.org/docs/apps/dhparam.html

My question is, how did you decide to use the set_tmp_dh method?
Depending upon the requirement, you may choose to use it correctly or
ignore it.

 2nd problem is I am getting SSL.error : unexpected eof error, If I comment 
 and proceed.

You mean, if you ignore the set_tmp_dh method and then proceed?

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Re: [BangPypers] Selenium pyvirtualdisplay Script suggestions to improve

[Senthil Kumaran]

On Fri, Oct 07, 2011 at 11:20:46AM +0530, Saju M wrote:
 Here is the code for change Custom Location in google search page
 http://dpaste.com/629298/
 log
 http://dpaste.com/629304/
 
 I could run it on Remote Server.
 But its not working sometimes, because selenium can't find some

The problem seems not with your code, but with google page which does
not the geolocation based redirection to appropriate page. The remote
server is obviously is not at the same spot as yours and is presented
with a different page which does not have Change Location link. Look
for the link which does not do the redirection.

HTH,
Senthil
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Re: [BangPypers] Thoughts about Requests?

[Senthil Kumaran]

It is a wrapper over urllib2 and is gaining popularity. It is very
easy to use and it intuitive in some sense. If all you require is
using urllib like facilities, then request is helpful. But if you
would like to extend it, then I am not sure of the facilities (or the
pattern) it uses. On the whole, it looks like a positive thing which
has caught attention.


On Tue, Oct 11, 2011 at 12:53 PM, Diptanu Choudhury
admin.nitj...@gmail.com wrote:
 https://github.com/kennethreitz/requests
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Re: [BangPypers] How to create HTTPS Proxy server

[Senthil Kumaran]

Hello Deepak,

On Fri, Oct 07, 2011 at 06:31:01PM +0530, deepak gupta wrote:
 1. Proxy server (192.168.1.1) : HTTPS port (8000) binding on this
 server and user will access this server and browse some url's.for ex
 https://192.168.1.1:8000/xyz
 2. This (proxy) server 192.168.1.1 will talk to another web server
 actual backend server (192.168.1.2: 8000) over HTTP/HTTPS . HTTPS
 proxy server will forward the request to the backend server and get
 back the response and then return to client browser.

This is slightly involved task. What kind of libraries have look at?
From your description, it looks to me that you are interested in a
Reverse Proxy server than the forward proxy.

If you use twisted to build servers, then you could use twisted.web to
write the https proxy server which would be forwarding the requests to
another resource.

http://twistedmatrix.com/documents/11.0.0/api/twisted.web.html

Apart from that there seems to be plethora of libraries and tools
trying to do that, which you can use.

Squid reverse proxy also is easy to configure if you would like to for
an out of box solution.

 We have created but it is hanging and sometime not returning full
 data.

Details?

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Re: [BangPypers] selenium click not working fot some links

[Senthil Kumaran]

On Tue, Oct 04, 2011 at 07:01:07PM +0530, Saju M wrote:
 I could find that some padding is given for that link, is that the issue ??

Could be. But if you can help by send the full script for others to
try or share the exception that would be helpful so that we can
understand the problem better.

Thanks,
Senthil
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Re: [BangPypers] selenium pyvirtualdisplay script on remote server

[Senthil Kumaran]

On Thu, Oct 06, 2011 at 10:23:17AM +0530, Saju M wrote:
 I already tested with scroll bar and focus and its working finw in my laptop.
 But when i run this script on Remote Server, it can't find that element.??

You could try putting some debugging prints in this script and what
the values are on local vs remote server. Personally, I could not see
any problem with the below script.

Print the values of display, driver and focus values. Introspect the
objects that you get.

Thanks,
Senthil
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Re: [BangPypers] Using Facebook graph api in a page tab application

[Senthil Kumaran]

On Mon, Oct 03, 2011 at 09:50:00PM +0530, Amit Sethi wrote:
 This is a page tab application running inside iframe . This seems to
 be quite a used workflow

I did not quite get this, if you have pointer to the app it would be
helpful.

 As the documentation say As with a Canvas Page, you will not receive
 all the user information accessible to your app in the signed_request
 until the user authorizes your app.

This is straight forward. All it says is the user should be
authenticated via facebook api.


 Can someone tell me what I have missed in this workflow and how I can
 get data/signed_request in relation to the changed permission status.

Here is a simple facebook demo application.

https://apps.facebook.com/gexplvl/

It uses the facebook api for appengine and authenticates itself using
api and redirects the user back to the application running in the
canvas element.

Here is the code if it is of any help.
http://uthcode.googlecode.com/svn/trunk/languages/python/appengine/appexplevl/

-- 
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Re: [BangPypers] Python3's Most Wanted!

[Senthil Kumaran]

Yes, but that is only suggestive, but still good to know as what most
people are using.

http://py3ksupport.appspot.com/  gives details on packages having py3k
support.

On Tue, Oct 04, 2011 at 10:42:20PM +0530, Anand Balachandran Pillai wrote:
 Did anyone see this ?
 
 http://www.python.org/3kpoll
 
 -- 
 --Anand
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Re: [BangPypers] Python 3.2 and Django

[Senthil Kumaran]

Hello Hussain,


On Thu, Sep 29, 2011 at 12:53 PM, Hussain Bohra
hussainbohra...@yahoo.com wrote:
 Thanks Mr. Gora and Mr. Sreekanth ...
 Let me identify if any other MVC framework I can use along with python 3.2.

You can consider using Python 2.7 for Web Framework too. Because WSGI
Spec for 3.x is not concretely agreed upon by the web frameworks, the
support for Web Frameworks world for 3.x is slow. Bottle is one
webframework that supports 3.0, but afaik does not have a great
community behind it.

If you are just starting, go head with 2.7 and later when things get
sorted out, you could upgrade to 3.x

HTH,
Senthil
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Re: [BangPypers] Python 2.7.1 build successful, however many modules failed on HP-UX 11.31 ia64 with aCC

[Senthil Kumaran]

On Wed, Sep 21, 2011 at 05:17:59AM -0700, Wah Meng Wong wrote:
 I have provided feedback to bugs.python.org. Not sure if they will
 revert to me in changing the README file.

Looks like they have. :-) Your patch might be helpful to improve the
Readme. 

 I may open another issue more specific to cx_Oracle later. :  )

Haha. Hopefully you get that resolved soon.

BTW, makes me curious as why is the choice of HP-UX and this Python
stack for whatever application/system you are trying to build.

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Re: [BangPypers] Python 2.7.1 build successful, however many modules failed on HP-UX 11.31 ia64 with aCC

[Senthil Kumaran]

On Sun, Sep 18, 2011 at 08:11:59PM -0700, Wah Meng Wong wrote:
 errors, more modules built successfully compared to acc (64-bit). The main
 thing I discovered is +DD64 is not recognized as a valid flag in ld command
 (the linker). This command is automatically generated in Makefile. I have

And that is what is surprising. This becomes a linker error.

 posted my question to bugs.python.org and the community there responded 
 failure
 to build a module is not a bug and asked me to refer to other community.

Yes, I noticed that. But as you mentioned that you followed the
instructions in the README, if you could succeed in building, we
at least have one bug (fix) with the compilation process mentioned in
the readme.

HP-UX being such an uncommon platform, the python core developers have
not spent much time fixing bugs in that (unless raised and provided
the fix with patch which did not affect any other platform).

 2.) The reason I am sticking to acc is, I am also using tcl/tk. I have built
 tcl/tk with gcc however the tk (wish) crashes with a core dump file generated
 when gcc is used. 

I see. I get the point.

Also, I think, your situation is the right candidate to try out
ActiveState distribution, if they claim to support HP-UX.

Good Luck,
Senthil

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Re: [BangPypers] Python 2.7.1 build successful, however many modules failed on HP-UX 11.31 ia64 with aCC

[Senthil Kumaran]

On Sun, Sep 18, 2011 at 02:15:31AM -0700, Wah Meng Wong wrote:

 I am trying to build python 64-bit on HP Itanium platform with HP-UX
 Ansi C compiler. The python executable is successfully built however
 there are many errors generated when option +DD64 is passed in, many
 (more) modules failed to build (compared to 32-bit option is used).  

You mean to say that python is building properly with all those
modules properly with 32bit compiler and not in 64 bit?
If that is the case, then it surely looks like a bug. You may want to
file open a issue at bugs.python.org

 Appreciate any input on this issue when 64-bit option is passed into
 aCC that cause so many errors on my server. Thanks! 

Few pointers.

- Can you use gcc instead of aCC in your machine and see if it can
  build?
- I see at least one open bug with ctypes module not compiling with 64 bit
  HP-UX.
- Try --enable-shared  switch of configure and see if it helps.

If nothing, please do open a bug report and you could get some pointers
from people familiar with that platform.

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Re: [BangPypers] Parsing data

[Senthil Kumaran]

On Fri, Sep 16, 2011 at 11:26:34PM -0500, Ananya Sharma wrote:
 
 *File A-*
 PSUB.GBD61H402FPT34:0-372
 
 *File B-*
 PSUB.GBD61H402FPT34:0-372
 XX
 XX
 XX
 NN
 CATTTCCTTGAGTATTAGGCCATTCATGCTGTCAACTTAACT
 ATTTGGAAATCCTAGTTGTACAAGATGGCCTCCCACCTGTATTTGC
 TTGGTCTGTGTACTGTAGTCTGCCTCTGCAAATGTTGTGGGAGGACTAAA
 TGTGGCGTGGGCTGACAG

Here is the simplest scenario of your case. In this what do you want
to do Ignore XXX...CAG in File-B and print only the PSUB.?

If that is the case, you could iterate over file-b and look for lines
starting with  and then put them to a list and then do your
operations.

In your code:

 f1=open('fileA','r')
 f2=open('fileB','r')
 a=
 b=

 for n in f1:
 while not b.startswith(n):
 b=f2.readline()

This loop will break when f2 has line starting with PSUB.

 if len(a)0:
  print a

Won't have any effect.

 b=

You are resetting b.

 while not b.startswith():
a=a+f2.readline()+__
 
Won't have any effect.

 
 Any help would be highly appreciated. Thanks.

Do you see why your program is not working when reduced to the
simplest case?

If you are trying to find entities in B which are in A.
Just recreate B so that you remove all the non  starting lines and
then compare.

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Re: [BangPypers] problem using Pyserial in Python

[Senthil Kumaran]

On Wed, Sep 14, 2011 at 10:22:47PM +0530, Jayneil Dalal wrote:
 *raise SerialException(Could not configure port: %s % msg)*
 *serial.serialutil.SerialException: Could not configure port: (5,
 'Input/output error')*
 *

Your Port is not attached to the program yet, or perhaps you are using
a wrong socket.  You might need to do some basis testing and identify
what is happening. Try running the pyserial test suite or find how to
to verify that serial communication is indeed happening.

Also execute your program via terminal rather than IDLE. IDLE does not
play well with sockets.

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Re: [BangPypers] wx.TreeCtrl !

[Senthil Kumaran]

On Wed, Sep 14, 2011 at 07:28:18PM +0530, aßlเίlαslเ wrote:
 with all the folder in a hierarchical Tree structure, and can multiple
 folders can be selected to do task like copy/paste/delete
  need help on wx as how to go abt it...

I think, this is fairly common use-case when dealing with any GUI
library. After starting with wxwidgets

http://www.learningpython.com/2007/01/29/creating-a-gui-using-python-wxwidgets-and-wxpython/

You may just look for the example program here in the http://www.wxwidgets.org/
for directory nativagator and tree structure.
Then you can deal with copy/paste/delete functions.

-- 
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Re: [BangPypers] RE : Python mechanize Change the Location of Google search

[Senthil Kumaran]

On Thu, Sep 15, 2011 at 3:31 PM, Saju M sajup...@gmail.com wrote:
 I also tried to change google search location through
 http://www.google.co.in/preferences?hl=en#loc , but getting error
 mechanize._response.httperror_seek_wrapper: HTTP Error 404: Not Found

Mechanize does not support any action done via Javascript and there
seems a javascript call involved in setting the location there.
Turn Javascript off in your browser and try to change the location.
You will notice that it throws errors.

Perhaps it is the same which is happening when accessed via mechanize.

BTW, do you really need mechanize for the task that you are trying to do?

Would not their AJAX API
(http://code.google.com/apis/websearch/docs/#fonje_snippets ) help you
to accomplish the same with lesser hassle ? (at least until they
retire it :))

---
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Re: [BangPypers] [JOB] - Yahoo!

[Senthil Kumaran]

On Wed, Sep 14, 2011 at 05:30:04PM +0530, Kiran Jonnalagadda wrote:
 On 13-Sep-2011, at 9:40 PM, Roshan Mathews wrote:
 
  FWIW, I didn't have an opinion on the OT job posting because I didn't
  read it.  But I must add that, it would be hypocritical to *not* poke
  fun at companies, especially bumbling, incompetent, soon to be extinct
  lumbering dinosaurs, (that don't do much beyond pooping all over the
  techworld) such as Yahoo! and ThoughtWorks! (see what I did there?)
 
 +1. Censoring opinion does no one any good. I'm with Noufal and Roshan on 
 this thread.

Except that this may not be the place. You could use better forums for
that. This is technical list and community where mutual respect is
valued.  So, please don't deviate from that. If one makes mistakes, it
is better to point out and correct rather than ridicule.

-- 
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Re: [BangPypers] List guidelines (was: [JOB] - Yahoo!)

[Senthil Kumaran]

On Wed, Sep 14, 2011 at 06:10:14PM +0530, Noufal Ibrahim wrote:
 What is the official stance of the list owners on this kind of post? It
 would be good to know and state it so that this kind of thing is avoided
 again.

If there is a mistake, correct it. Don't ridicule.

 
 I hear from others (BRUG, BarCamp Bangalore) that first time posters who
 send recruitment mails are simply rejected. That sounds like a sane
 policy to me. 

No. First time posters are welcome. Spammers are not.

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Re: [BangPypers] List guidelines

[Senthil Kumaran]

On Wed, Sep 14, 2011 at 06:27:10PM +0530, Noufal Ibrahim wrote:
 Senthil Kumaran sent...@uthcode.com writes:
  If there is a mistake, correct it. Don't ridicule.
 
 Absolutely no light hearted jabs. Total shrink wrapped politeness would
 make for a very dull corporate atmosphere. I don't like it myself but if
 that is the position of the list, I won't violate it. 

Pretty good interpretation of what 'ridicule' means. :-)

 Python job is pretty much spam (for this list) in my opinion but there
 needs to be an official stance on this as well. 

My recollection from history is, it needs to be prefixed with [JOB]
and jobs are not considered spam by many. I think, prefixing with JOB
can help also people to filter them to spam folder, if they prefer it
that way.

-- 
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Re: [BangPypers] List guidelines

[Senthil Kumaran]

On Wed, Sep 14, 2011 at 06:47:58PM +0530, Noufal Ibrahim wrote:
 So, job postings not at all related to Python are fine as long as
 they're prefixed with [JOB]?

I thought the question was for Python jobs. If the question is for any
job, then no. We may not expect irrelevant jobs to be posted here.

But again, if someone makes a mistake, it is better to correct him and
ask clarification as how it is relevant.  It may either end up being
useful or we can inform that this may not be right list. 

If someone abuses the list, then we can inform him. As he is a human,
he may stand corrected. If it is a bot, then I think spambayes is
doing a good job already and we can give a helping hand if required.

-- 
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Re: [BangPypers] List guidelines

[Senthil Kumaran]

On Wed, Sep 14, 2011 at 9:26 PM, Noufal Ibrahim nou...@gmail.com wrote:

 Am I the only one who thinks this is backward?

No, definitely not. But you seem to be giving undue importance to this
discussion by creating hypothetical scenarios.  I think, we can
tolerate some mistakes and just stay focused.

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Re: [BangPypers] [JOB] - Yahoo!

[Senthil Kumaran]

Guys,

Let's keep it technical, they seem to look for perl guys and perhaps a
python developers are useful for them too.
Of course, any good company would think that good python programmers
can be good (any language) programmers too. AFAIK, Y! is one such.

-- 
Senthil

On Tue, Sep 13, 2011 at 2:48 PM, Ramakrishna Reddy ramkr...@gmail.com wrote:
 On Tue, Sep 13, 2011 at 11:51 AM, Gora Mohanty g...@mimirtech.com wrote:

 I hear that they have an opening for a CEO. Maybe that
 person could introduce Python to Y!

 Too late, last I heard the Y! board was trying to rope in Homer Jay
 Simpson for the position.

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Re: [BangPypers] [JOB] - Yahoo!

[Senthil Kumaran]

On Tue, Sep 13, 2011 at 3:38 PM, Noufal Ibrahim nou...@gmail.com wrote:
 Let's keep it technical, they seem to look for perl guys and perhaps a
 python developers are useful for them too.  Of course, any good
 company would think that good python programmers can be good (any
 language) programmers too. AFAIK, Y! is one such.

 If the HR person of a large company (who doesn't participate otherwise)
 uses a public mailing list (like this) to advertise job openings in

I agree that the email was misdirected and I had no issues with your
first question how it it was related with Python. Would have waited
for the OP to answer.
But that does not mean that we talk about business and ridicule a
company.  That IMO does not make a healthy environment.

-- 
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