[RELEASE] Nevow 0.11.1
Hello, I'm pleased to announce the release of Nevow 0.11.1. Nevow is a web application construction kit written in Python and based on Twisted. It is designed to allow the programmer to express as much of the view logic as desired in Python, and includes a pure Python XML expression syntax named stan to facilitate this. However it also provides rich support for designer-edited templates, using a very small XML attribute language to provide bi-directional template manipulation capability. This release includes a number of minor new features and bug fixes. It also includes changes to modernize Nevow's packaging - installation of Nevow using `pip` is now supported. This release also marks the move of Nevow development to Github. You can read about all of the changes in this release in the NEWS file: https://github.com/twisted/nevow/blob/release-0.11.1/NEWS.txt You can find Nevow on PyPI: https://pypi.python.org/pypi/Nevow Or on Github: https://github.com/twisted/nevow Enjoy! Jean-Paul http://as.ynchrono.us/ -- https://mail.python.org/mailman/listinfo/python-announce-list Support the Python Software Foundation: http://www.python.org/psf/donations/
Event handling for COM object with win32com (pywin32)
Dears, I have a problem with firing Events and event handling on COM object. This code works on python console but there is no event fired. class fmstrEvents(object): ... def OnRecroderDone(self): ... print Hello OnRecroderDone import win32com.client fm = win32com.client.Dispatch(MCB.PCM) fm_events = win32com.client.WithEvents(fm,fmstrEvents) The application fmstr with COM Object MCB.PCM is freezing by events handling within python by pywin32. Do I miss something in code or incorrectly handling the events or COM Object? Thank you very much. Peter -- https://mail.python.org/mailman/listinfo/python-list
Python ORM library for distributed mostly-read-only objects?
My problem: I have a large database of interconnected objects which I need to process with a combination of short- and long-lived workers. These objects are mostly read-only (i.e. any of them can be changed/marked-as-deleted, but that happens infrequently). The workers may or may not be within one Python process, or even on one system. I've been doing this with a classic session-based SQLAlchemy ORM, approach, but that ends up way too slow and memory intense, as each thread gets its own copy of every object it needs. I don't want that. My existing code does object loading and traversal by simple attribute access; I'd like to keep that if at all possible. Ideally, what I'd like to have is an object server which mediates write access to the database and then sends change/invalidation notices to the workers. (Changes are infrequent enough that I don't care if a worker gets a notice it's not interested in.) I don't care if updates are applied immediately or are only visible to the local process until committed. I also don't need fancy indexing or query abilities; if necessary I can go to the storage backend for that. (That should be SQL, though a NoSQL back-end would be nice to have.) Does something like this already exist, somewhere out there, or do I need to write this, or does somebody know of an alternate solution? -- https://mail.python.org/mailman/listinfo/python-list
Re: How to distribute python console program
Hi Nicholas. On 22.6.2014. 4:51, Nicholas Cannon wrote: I have a simple program that is ran in the console with 2 modules and i was wondering how i could like export it so i could give it to someone to use as like a utlitie in the console? Assumptions: * You have one script - script.py, using two additional module - module1.py module2.py. * You want to hold the script in some generic Utility folder (on your system path or wherever). Let's refer to that folder as 'D:\Utility', just to make it seem more realistic. * Target machine already has the desired Python environment installed. The simplest 'all in one' solution would be to simply copy script.py, module1.py module2.py into the 'D:\Utility' folder. Then you can run script.py as a script (using whatever Python environment you prefer) and its folder (i.e. 'D:\Utility') will automatically be added to the Python path, ergo module1.py module2.py can be easily imported using 'import module1' 'import module2' respectively. One possible bad side to this organization is that the user does not necessarily know what module1.py module2.py files are - they are stored together with other utility scripts but need not be runnable scripts by themselves. If they can be run as standalone scripts then that is all fine and well but if they are not - user does now know that they should not be and possibly what they are related to. A slight variation making it clear which scripts should be runnable directly and which should not would be to move module1.py module.py under some 'D:\Utility\script_details' folder and add an empty __init__.py file to that folder as well. Then module1.py module2.py can be imported as: 'import script_details.module1' and: 'import script_details.module2' respectively. Another addition is to prepare a packaged installer that installs your files in one of the aforementioned structures as any other application, e.g. under '/usr/bin', 'C:\Program Files' or whatever, but that's strictly an addition to what was described earlier. If the script and the modules you mention are self-contained and are not intended to be reused elsewhere, then I don't think you need anything more complex than that. If they are not then you have an option to place the implementation module in some shared Python environment folder, e.g. a specific Python environment's 'site-packages' folder. That would allow you to easily reuse those modules from other scripts located in other folders, but it would also introduce additional complications - with it you need to make sure the folder you placed them on has indeed been configured to be located on the used Python environment's Python path. Another variation is to package an installer that basically installs a stand-alone Python distribution together with your script, e.g. like something done by cx_Freeze or similar projects. Then your target machine does not need to have Python installed separately, but on the other hand, the installation is much larger and you risk getting multiple Python installations all over the same machine. :-) Hope this helps. Best regards, Jurko Gospodnetić -- https://mail.python.org/mailman/listinfo/python-list
Re: How to distribute python console program
On Sun, Jun 22, 2014 at 3:51 AM, Nicholas Cannon nicholascann...@gmail.com wrote: I have a simple program that is ran in the console with 2 modules and i was wondering how i could like export it so i could give it to someone to use as like a utlitie in the console? I'm assuming that the 'someone' you want to give it to has python installed (if they are running any kind of linux or OS X they should do). If so, you can use something like https://pypi.python.org/pypi/ncdistribute/ to make single zip file that contains your code and all its dependencies. There is no need to unpack the zip file - python can run it without unpacking, so you simply put the your_utility_name.pyz file somewhere in the user's path and it can be run easily. You can even rename it so that it doesn't have the .pyz filename. If you want to send your application to someone who doesn't have python installed, things are trickier. http://cx-freeze.sourceforge.net aims to help you do that kind of thing. Hope that helps, Nicholas -- https://mail.python.org/mailman/listinfo/python-list
Re: Event handling for COM object with win32com (pywin32)
On Sun, Jun 22, 2014 at 7:15 PM, peter.balazo...@emspin.com wrote: This code works on python console but there is no event fired. class fmstrEvents(object): ... def OnRecroderDone(self): ... print Hello OnRecroderDone Is that supposed to say OnRecroderDone or OnRecorderDone? I can't find any Google hits for the former, other than this exact question (which you seem to have also posted to StackOverflow - I'm counting that as the same), and the latter would be a much more obvious spelling. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Event handling for COM object with win32com (pywin32)
On Sunday, June 22, 2014 12:09:51 PM UTC+2, Chris Angelico wrote: On Sun, Jun 22, 2014 at 7:15 PM, peter.balazo...@emspin.com wrote: This code works on python console but there is no event fired. class fmstrEvents(object): ... def OnRecroderDone(self): ... print Hello OnRecroderDone Is that supposed to say OnRecroderDone or OnRecorderDone? I can't find any Google hits for the former, other than this exact question (which you seem to have also posted to StackOverflow - I'm counting that as the same), and the latter would be a much more obvious spelling. ChrisA You right, this is a typo here - I am sorry for this but event handler does not work... fmstr application is freezing and event handler does not work. I need to restart python to unfreeze my application. Peter -- https://mail.python.org/mailman/listinfo/python-list
Re: Event handling for COM object with win32com (pywin32)
On Sun, Jun 22, 2014 at 9:55 PM, peter.balazo...@emspin.com wrote: You right, this is a typo here - I am sorry for this but event handler does not work... fmstr application is freezing and event handler does not work. I need to restart python to unfreeze my application. I can't help further, then. I'm not experienced with the COM interface in any language, so I couldn't tell you what's going on. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Python ORM library for distributed mostly-read-only objects?
In article 85659fdd-511b-4aea-9c4b-17a4bbb88...@googlegroups.com, smur...@gmail.com wrote: My problem: I have a large database of interconnected objects which I need to process with a combination of short- and long-lived workers. These objects are mostly read-only (i.e. any of them can be changed/marked-as-deleted, but that happens infrequently). The workers may or may not be within one Python process, or even on one system. I've been doing this with a classic session-based SQLAlchemy ORM, approach, but that ends up way too slow and memory intense, as each thread gets its own copy of every object it needs. I don't want that. My existing code does object loading and traversal by simple attribute access; I'd like to keep that if at all possible. Ideally, what I'd like to have is an object server which mediates write access to the database and then sends change/invalidation notices to the workers. (Changes are infrequent enough that I don't care if a worker gets a notice it's not interested in.) I don't care if updates are applied immediately or are only visible to the local process until committed. I also don't need fancy indexing or query abilities; if necessary I can go to the storage backend for that. (That should be SQL, though a NoSQL back-end would be nice to have.) Does something like this already exist, somewhere out there, or do I need to write this, or does somebody know of an alternate solution? If you want to go NoSQL, I think what you're describing is a MongoDB replica set (http://docs.mongodb.org/manual/replication/). One of the replicas is the primary, to which all writes are directed. You can have some number of secondaries, which get all the changes applied to the primary, and spread out the load for read access. If you want a vaguely SQLAlchemy flavored ORM, there's mongoengine (http://mongoengine.org/). On the other hand, this may be overkill for what you're trying to do. Can you give us some more quantitative idea of your requirements? How many objects? How much total data is being stored? How many queries per second, and what is the acceptable latency for a query? -- https://mail.python.org/mailman/listinfo/python-list
Re: Event handling for COM object with win32com (pywin32)
On 6/22/14, 5:15 AM, peter.balazo...@emspin.com wrote: Do I miss something in code or incorrectly handling the events or COM Object? There is a pywin32 mailing list that may be able to offer more help here. -- Kevin Walzer Code by Kevin/Mobile Code by Kevin http://www.codebykevin.com http://www.wtmobilesoftware.com -- https://mail.python.org/mailman/listinfo/python-list
Are there performance concerns with popping from front of long lists vs. the end of long lists?
Should I have any performance concerns with the index position used to pop() values off of large lists? In other words, should pop(0) and pop() be time equivalent operations with long lists? -- https://mail.python.org/mailman/listinfo/python-list
Re: Are there performance concerns with popping from front of long lists vs. the end of long lists?
On 2014-06-22 19:03, pyt...@bdurham.com wrote: Should I have any performance concerns with the index position used to pop() values off of large lists? In other words, should pop(0) and pop() be time equivalent operations with long lists? When an item is popped from a list, all of the later items (they are actually references to each item) are moved down. Therefore, popping the last item is fast, but popping the first item is slow. If you want to pop efficiently from both ends, then a deque is the correct choice of container. -- https://mail.python.org/mailman/listinfo/python-list
Islam is not a Religion of Extremism
Islam is not a Religion of Extremism Allah says: ...Whosoever kills an innocent human being, it shall be as if he has killed all mankind, and whosoever saves the life of one, it shall be as if he had saved the life of all mankind... Qur'an 5:32 Islam... an extreme religion? Islamic terrorists! Muslim fundamentalists! Extremists! Radical Islamists! These are just some labels that have been wrongly applied to Muslims and certain Muslim groups in recent years. The media's portrayal of Islam often misleads those whose knowledge of the religion is limited, into making negative assumptions about this very peaceful and tolerant way of life. Peter Manning, a journalist of over 30 years, states in his book, Us and Them: My experience tells me there's a vast gulf between the realities of the daily lives of Arab and Muslim Australians and how they are represented in our [Australian] media. In more than 60 percent of cases [from the coverage of 2 major newspapers], the words 'violent', 'death', 'attack', 'kill', 'suicide' or 'gunmen' were in close proximity to the words 'Arab', 'Palestinian', 'Muslim' or 'Islam'. Is it then, any wonder that most people associate Islam with terrorism? The problem of ignorance is highlighted by a survey which revealed that more than one in three Australians admit to knowing nothing about Islam and its followers. Those with the least knowledge and personal contact with Muslims were the most likely to feel threatened by Islam, said Dr Dunn, who was commissioned by the Australia-Indonesia Institute to carry out the study. The prevalence of media bias and ignorance regarding Islam can be countered by understanding Islam through its proper teachings. That means referring to the Qur'an (which Muslims believe to be the word of God) and the authentic sayings of the Prophet Muhammad (peace be upon him). Through the proper understanding of these teachings, one will discover Islam to be completely against any form of extremism. How the Qur'an can be misunderstood When reading through the Qur'an or the sayings of the Prophet (peace be upon him), one must understand the context in which the wording applies. The following verse of the Qur'an is a favourite amongst those seeking to mislead people about Islam: And kill them wherever you find them, and expel them from where they expelled you, as persecuting people to sway them from God's Religion is worse than killing. But do not fight them at the Sacred Mosque, unless they fight you there. But if they do fight you, then slay them; This is the recompense of the disbelievers. Qur'an 2:191 On occasions, this verse has been dangerously trimmed down to the following: And kill them wherever you find them... Qur'an 2:191 The obvious question is, Kill who?. To answer this question, one should read the verses before and after verse 2:191. And fight in the way of Allah those who fight with you, and do not exceed the limits, surely Allah does not love those who exceed the limits. Qur'an 2:190 The above verse mentions fighting as a means of self defence (i.e. with those who fight you). The verse after 2:191 is: But if they cease, Allah is Oft-forgiving, Most Merciful. Qur'an 2:192 These verses were revealed at a time when the Muslims had been expelled from their homes on account of their faith. They endured more than ten years of persecution and eventually had to flee to a safe land. The above verses were referring to the Arab pagans of Mecca during the Prophet's time, who oppressed the Muslims and planned to attack them where the Muslims sought refuge. Hence, the above verse can only be applied in such circumstances. This example demonstrates that verses in the Qur'an should be understood in their proper context since verses were revealed in stages in relation to particular situations, over a period of 23 years. It is also important to note that the Qur'an was revealed in Arabic. Therefore, translations into different languages may be misleading and/or inaccurate. Permissible Warfare/Fighting There can be no doubt that Muslims (like anybody else) have a legitimate right to fight against aggression or when oppressed. Islam teaches that warfare is permitted in order to preserve the wellbeing of the community or to prevent oppression from spreading - this may be in the context of defensive or offensive warfare depending on the particular situation. Islam, just like any 'way of life' that wants to ensure its survival, has the right to defend itself when war is declared against it. In the Qur'an (22:39) we read: To those against whom war is made, permission is given to fight, because they are wronged. However, when the enemy ceases its hostility, Muslims are commanded to cease fighting. And if they incline to peace, then incline to it and trust in God; surely He is the All-Hearer, the All-Knower. Qur'an 8:61 Abu Bakr (may God be pleased with him), Prophet Mohammad's closest friend and first successor, spoke of the
Re: How to distribute python console program
On 6/22/2014 5:56 AM, Jurko Gospodnetić wrote: Hi Nicholas. On 22.6.2014. 4:51, Nicholas Cannon wrote: I have a simple program that is ran in the console with 2 modules and i was wondering how i could like export it so i could give it to someone to use as like a utlitie in the console? One possible bad side to this organization is that the user does not necessarily know what module1.py module2.py files are - they are stored together with other utility scripts but need not be runnable scripts by themselves. If they can be run as standalone scripts then that is all fine and well but if they are not - user does now know that they should not be and possibly what they are related to. The support modules could end with if __name__ == '__main__': print(y.py is strictly a support module for x.py. When run by itself, it does not do anything except to print this. However, I prefer the solution of bundling all into a zip. -- Terry Jan Reedy -- https://mail.python.org/mailman/listinfo/python-list
Re: Are there performance concerns with popping from front of long lists vs. the end of long lists?
On 6/22/2014 2:03 PM, pyt...@bdurham.com wrote: Should I have any performance concerns with the index position used to pop() values off of large lists? Yes. While performance is generally not part of the language specification, in CPython seq.pop(i) is O(len(seq)-i) In other words, should pop(0) and pop() be time equivalent operations with long lists? No. If you want this, use collections.deque. -- Terry Jan Reedy -- https://mail.python.org/mailman/listinfo/python-list
Re: Are there performance concerns with popping from front of long lists vs. the end of long lists?
On 06/22/2014 11:03 AM, pyt...@bdurham.com wrote: Should I have any performance concerns with the index position used to pop() values off of large lists? In other words, should pop(0) and pop() be time equivalent operations with long lists? I believe lists are optimized for adding and removing items from the end, so anywhere else will have an impact. You'll have to do measurements to see if the impact is worth worrying about in your code. -- ~Ethan~ -- https://mail.python.org/mailman/listinfo/python-list
Re: Are there performance concerns with popping from front of long lists vs. the end of long lists?
MRAB, Terry, Ethan, and others ... Thank you - collections.deque is exactly what I was looking for. Malcolm -- https://mail.python.org/mailman/listinfo/python-list
old python
If anybody is interested... I think it's the same as the version unearthed recently [1], but here is a rather old version of Python on ftp: ftp://ftp.uni-duisburg.de/local/systems/unix/old_stuff/ [1] http://legacy.python.org/download/releases/early/ Jean-Claude Arbaut -- https://mail.python.org/mailman/listinfo/python-list
Re: old python
On 6/22/2014 4:18 PM, arbau...@gmail.com wrote: If anybody is interested... I think it's the same as the version unearthed recently [1], but here is a rather old version of Python on ftp: ftp://ftp.uni-duisburg.de/local/systems/unix/old_stuff/ Does not accept anonymous logins (or my email), it says to me. [1] http://legacy.python.org/download/releases/early/ -- Terry Jan Reedy -- https://mail.python.org/mailman/listinfo/python-list
Re: Islam is not a Religion of Extremism
On 6/22/2014 2:16 PM, bv4bv4...@gmail.com wrote: [more repeated off topic religious spam] Google-goups users: if you would prefer not to see more of this, please send or forward short Complaints-To: groups-ab...@google.com -- Terry Jan Reedy -- https://mail.python.org/mailman/listinfo/python-list
Re: Islam is not a Religion of Extremism
On 06/22/2014 03:53 PM, Terry Reedy wrote: On 6/22/2014 2:16 PM, bv4bv4...@gmail.com wrote: [more repeated off topic religious spam] Google-goups users: if you would prefer not to see more of this, please send or forward short Complaints-To: groups-ab...@google.com And if you're not a Google Gropes user and would prefer not to see more of this, try: http://twovoyagers.com/improve-usenet.org/ -- Warren Post https://warrenpost.wordpress.com/ -- https://mail.python.org/mailman/listinfo/python-list
Re: Python ORM library for distributed mostly-read-only objects?
On Sunday, June 22, 2014 3:49:53 PM UTC+2, Roy Smith wrote: Can you give us some more quantitative idea of your requirements? How many objects? How much total data is being stored? How many queries per second, and what is the acceptable latency for a query? Not yet, A whole lot, More than fits in memory, That depends. To explain. The data is a network of diverse related objects. I can keep the most-used objects in memory but not all of them. Indeed, I _need_ to keep them, otherwise this will be too slow, even when using Mongo instead of SQLAlchemy. Which objects are most-used changes over time. I could work with MongoEngine by judicious hacking (augment DocumentField dereferencing with a local cache), but that leaves the update problem. -- https://mail.python.org/mailman/listinfo/python-list
[issue17172] Add turtledemo to IDLE menu
Terry J. Reedy added the comment: In 2.7, turtledemo is in pythondir/Demo/turtle when those directories are present. They are not currently installed by the 2.7 Windows installer, but this could be requested (of Steve Dower) on another issue. A 2.7 patch would be slightly tricker as it would have to check for the existence of turtledemo. Options: * check before installing the menu entry and dont add it if not present. * always make menu entry and check when clicked. Is turtledemo present on *nix/mac often enough to make a 2.7 addition worthwhile even without Windows? -- dependencies: +Allow turtledemo code pane to get wider., Catch turtle.Terminator exceptions in turtledemo, Make turtledemo 2.7 help show file contents, not file name. versions: +Python 2.7 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17172 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21823] Catch turtle.Terminator exceptions in turtledemo
Terry J. Reedy added the comment: Since hanoi do not have user interaction, once started, it does not need to be 'special'. Like planets_and_moon, it could run until done and then return 'Done'. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21823 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21824] Make turtledemo 2.7 help show file contents, not file name.
Roundup Robot added the comment: New changeset 9778d37c2d18 by Terry Jan Reedy in branch '2.7': Issue #21824: Turtledemo 2.7 help menu entries now display help text instead http://hg.python.org/cpython/rev/9778d37c2d18 -- nosy: +python-dev ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21824 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21824] Make turtledemo 2.7 help show file contents, not file name.
Changes by Terry J. Reedy tjre...@udel.edu: -- resolution: - fixed stage: needs patch - resolved status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21824 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21819] Remaining buffer from socket isn't available anymore after calling socket.recv the first time
Charles-François Natali added the comment: I'm wondering how would it be possible then to fetch packets of an unknown size without using an extremely big buffer. IP packets are limited to 64K, so just pass a 64K buffer, that's not extremely big. If you really wanted to avoid this, you could try the FIONREAD ioctl, but I wouldn't advise it. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21819 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue19145] Inconsistent behaviour in itertools.repeat when using negative times
Raymond Hettinger added the comment: I'm inclined to apply Vajrasky Kok's third version (with minor cleanups). The rule will be pretty much what Guido stated but without adding a special case for times=None (that could be an added enhancement at a later time if the need arose): If I had complete freedom in redefining the spec I would treat positional and keyword the same, interpret absent or None to mean forever and explicit negative integers to mean the same as zero, and make repr show a positional integer = 0 if the repeat isn't None. The if-absent-run-forever rule matches what the decade old positional-only API does and what the newer keyword form does as well. It also matches what the documented rough equivalent code does. The negative-times-means-zero rule matches the current positional-only api, it matches list.__mul__ and str.__mul__, and it matches the documented equivalent code. However, it does change the meaning of the keyword argument when the value is negative (the part that conflicts with the positional API, was never intended, nor was promised in the docs). Larry's false dilemmas aside, I think that takes care of the core issue that a negative value for a keyword times-argument does not have the same behavior as it would for a positional times-argument. The use of None for an optional argument in the equivalent code is red herring. As Serhiy says, the sample Python implementation is only a demonstration, it shouldn't be exact equivalent. If Larry still perceives this to be wildly out of sync, it isn't hard to put in the usual times=sentinel setup in the same code, but that only adds a little precision at the expense of clarity (i.e. readers are more likely to be confused by the sentinel trick than by the conventional way of noting optional arguments with None). -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue19145 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue19145] Inconsistent behaviour in itertools.repeat when using negative times
Larry Hastings added the comment: Please clarify, what is my false dilemma? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue19145 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue13247] under Windows, os.path.abspath returns non-ASCII bytes paths as question marks
Martin v. Löwis added the comment: I'm -1 on the patch. The string currently returned might be useless, but the fundamental problem is that using bytes for filenames on Windows just isn't sufficient for all cases. Microsoft has chosen to return question marks in the API, and Python should return them as the system vendor did. Another alternative would be to switch to UTF-8 as the file system encoding on Windows, but that change might be too incompatible. -- nosy: +loewis ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue13247 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6305] islice doesn't accept large stop values
Raymond Hettinger added the comment: Alok, overall the patch looks pretty good and you've done great work on it. However, in working through its details, I find myself having major misgivings about doubling the size and complexity of the code for something that may not be ever benefit any real code. Terry noted that range() supports values bigger than the word size but the needs there are much different. Programs can reasonably use ranges with large start points, but an islice() call would have to iterate over *start* values before it begins returning any usable values: list(range(sys.maxsize+10, sys.maxsize+20)) # maybe a good idea list(islice(count(), sys.maxsize + 10, sys.maxsize + 20)) # probably not a good idea When we finally get 64-bit everywhere (not there yet), I think the code in this patch would never get exercised. Even in the 32-bit world, islicing over 2**32 inputs doesn't seem like a great idea. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6305 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21812] turtle.shapetransform doesn't transform the turtle on the first call
Raymond Hettinger added the comment: The looks good. Please revise the patch to isolate the actual change in logic and not confound it with PEP-8 nits which make the patch harder to review. Also, please be careful with breaking lines. In the following part of the diff, the space after matrix: is lost (Hazards like this are one reason to avoid cosmetic changes). -raise TurtleGraphicsError(Bad shape transform matrix: must not be singular) +raise TurtleGraphicsError((Bad shape transform matrix: + must not be singular) -- assignee: - rhettinger nosy: +rhettinger ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21812 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue9012] Separate compilation of time and datetime modules
Martin v. Löwis added the comment: This issue has been superseded by #14180. __PyTime_DoubleToTimet no longer exists; its successor now lives in pytime.c. -- resolution: - out of date status: open - closed superseder: - Factorize code to convert int/float to time_t, timeval or timespec ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue9012 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21812] turtle.shapetransform doesn't transform the turtle on the first call
Changes by Raymond Hettinger raymond.hettin...@gmail.com: -- Removed message: http://bugs.python.org/msg221228 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21812 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6305] islice doesn't accept large stop values
Martin v. Löwis added the comment: I'd find it sad if we would, after 5 years of asking for contributions, and after somebody actually contributing, now declare that we really don't want a contribution. -- nosy: +loewis ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6305 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21766] CGIHTTPServer File Disclosure
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com: -- nosy: +Arfrever ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21766 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21812] turtle.shapetransform doesn't transform the turtle on the first call
Roundup Robot added the comment: New changeset 39b094798e14 by Raymond Hettinger in branch '3.4': Issue #21812: Trigger immediate transformation in turtle.shapetransform(). http://hg.python.org/cpython/rev/39b094798e14 -- nosy: +python-dev ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21812 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue2574] Add RFC 3768 SSM Multicast support to socket
Mark Lawrence added the comment: Looks as if the status was inadvertently set to languishing. Stage needs setting to patch review. The patch is effectively all new C code but there are no doc changes or tests. -- nosy: +BreamoreBoy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue2574 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21812] turtle.shapetransform doesn't transform the turtle on the first call
Raymond Hettinger added the comment: Thanks for noticing this and for the patch. In the future, to make patches easier to review, please isolate the core logic change from inconsequential whitespace and linewrap edits. Also note that breaking strings in the middle to accommodate a max line length can be error-prone (in this case a space was dropped between matrix: and must). -- resolution: - fixed stage: - resolved status: open - closed type: - behavior versions: +Python 3.4, Python 3.5 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21812 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21799] Py_SetPath() gives compile error: undefined reference to '__imp_Py_SetPath'
Pat Le Cat added the comment: Okay I tried the exact same example code from your website on the MSVC-2013 (same OS) suite and got new errors with it and a strange warning. Warning: 1c:\python34\include\pymath.h(22): warning C4273: 'round' : inconsistent dll linkage 1C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\include\math.h(516) : see previous definition of 'round' Runtime crash: C:\Users\xxx\Documents\Visual Studio 2013\Projects\SnakesTest\x64\ReleaseSnakesTest.exe multiply multiply 3 2 Fatal Python error: Py_Initialize: unable to load the file system codec ImportError: No module named 'encodings' I linked with both the 'python3.lib' and the 'python34.lib' (what's the difference anyways?) with the same results. It looks to me as if the DLL doesn't contain all the same symbols as in the include file, or have you done some obscure compressing with the DLL maybe? But the inconsistent dll linkage seems to be the leading hint here. ADDENDUM: I forgot to mention that under mingw I do directly link to the python3.dll, since there is no python3.a libfile around and dlltool was unable to extract any symbols from the DLL. -- Added file: http://bugs.python.org/file35720/SnakesTest.cpp ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6305] islice doesn't accept large stop values
Raymond Hettinger added the comment: Martin, finding it sad doesn't really help much here. We *can* put the patch in. Alok devoted a good chunk of time to creating the patch and I've already devoted a good chunk of time to reviewing it. However, in so doing I became concerned that it wasn't the right thing to do. The code size and complexity is much bigger than I expected (as compared to what I had to do for itertools.count for example). The use case is much weaker (because unlike range() and count() we don't have an arbitrary start point). This thought surfaced when reading Alok's notes on the difficulty of testing this patch in a reasonable amount of time. Besides feeling sad, what is your recommendation? Would you like me to finish the review and check it in to make everyone feel good? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6305 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21765] Idle: make 3.x HyperParser work with non-ascii identifiers.
Martin v. Löwis added the comment: The reason the Unicode consortium made this list (Other_ID_Start) is that they want to promise 100% backwards compatibility: if some programming language had been using UAX#31, changes to the Unicode database might break existing code. To avoid this, UAX#31 guarantees 100% stability. The reason Python uses it is because it uses UAX#31, with the minimum number of modifications. We really shouldn't be making arbitrary changes to it. If we would e.g. say that we drop these four characters now, the next Unicode version might add more characters to Other_ID_Start, and then we would have to say that we include some, but not all, characters from Other_ID_Start. So if IDLE wants to reimplement the XID_Start and XID_Continue properties, it should do it correctly. Note that the proposed patch only manages to replicate the ID_Start and ID_Continue properties. For the XID versions, see http://www.unicode.org/reports/tr31/#NFKC_Modifications Unfortunately, the specification doesn't explain exactly how these modifications are performed. For item 1, I think it is: Characters which are in ID_Start (because they count as letters) but their NFKC decomposition does not start with an ID_Start character (because it starts with a modifier instead) are removed in XID_Start For item 2, they unfortunately don't list all characters that get excluded. For the one example that they do give, the reason is clear: U+037A (GREEK YPOGEGRAMMENI, category Lm) decomposes to U+0020 (SPACE) U+0345 (COMBINING GREEK YPOGEGRAMMENI). Having a space in an identifier is clearly out of the question. I assume similar problems occur with certain Arabic presentation forms. I wish the consortium was more explicit as to what precise algorithms they use to derive their derived properties. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21765 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue19145] Inconsistent behaviour in itertools.repeat when using negative times
Raymond Hettinger added the comment: Please clarify I was referring to your first post, I see two possible choices here ... [changing the signature to times=-1 or to times=None]. There was another choice, make the code work as originally intended where omitting the times argument repeats indefinitely and where negative values are treated the same as zero. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue19145 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21765] Idle: make 3.x HyperParser work with non-ascii identifiers.
Martin v. Löwis added the comment:
Tal: If you want to verify your is_id_char function, you could use the code
for i in range(65536):
c = chr(i)
c2 = 'a'+c
if is_id_char(c) != c2.isidentifier():
print('\\u%.4x'%i,is_id_char(c),c2.isidentifier())
Alternatively, you could use the strategy taken in that code for is_id_char
itself:
def is_id_char(c):
return ('a'+c).isidentifier()
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[issue8343] improve re parse error messages for named groups
Mark Lawrence added the comment: I understand that the patch cannot be used as the OP refuses to sign the CLA. -- nosy: +BreamoreBoy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8343 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21799] Py_SetPath() gives compile error: undefined reference to '__imp_Py_SetPath'
Pat Le Cat added the comment: **Missing Python34.dll in installation** Okay it's getting more interesting. I downloaded Python 3.4 windows x64 binary and extracted the DLLs and suddenly I discovered that release 3.4.1 is missing the Python34.dll !! :-O Once I link against the python34.dll from mingw/gcc then it compiles fine :D (the 77kb from the python3.dll seemed too small anyhow ;) ) Now I have the similar error at runtime as with MSVC-2013: C:\Development\xxx\Testo1\Snakes\ReleaseSnakes.exe multiply multiply 3 2 Fatal Python error: Py_Initialize: unable to load the file system codec ImportError: No module named 'encodings' Now the question remains what unicode module python is complaining about?!? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8908] friendly errors for UAC misbehavior in windows installers
Mark Lawrence added the comment: The patches cannot be used as the OP hasn't signed the CLA. -- components: -Distutils2 nosy: +BreamoreBoy, dstufft ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8908 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4714] print opcode stats at the end of pybench runs
Mark Lawrence added the comment: @Antoine/Marc-Andre are either of you interested in taking this forward? -- nosy: +BreamoreBoy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4714 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5800] make wsgiref.headers.Headers accept empty constructor
Mark Lawrence added the comment: This shouldn't be languishing, work has been committed against revision 86742 and there's another patch that apparently just needs a little tweak. -- nosy: +BreamoreBoy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5800 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue16976] Asyncore/asynchat hangs when used with ssl sockets
Giampaolo Rodola' added the comment: Yes. -- resolution: - wont fix status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue16976 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21799] Py_SetPath() gives compile error: undefined reference to '__imp_Py_SetPath'
Pat Le Cat added the comment: Update on mingw: When I comment out the Py_SetPath() function call, then the code runs up to the 4th test print and then crashes again, possibly at: Py_XDECREF(pArgs). So apart from the 'encoding' module that cannot be found there is still a crash. I installed Python 3.4.1 again for this. BTW: The multiply.py runs fine when called with py -3 directly. Output: C:\Development\xxx\Testo1\Snakes\ReleaseSnakes.exe multiply multiply 3 2 Number of arguments 5 Will compute 3 times 2 Result: 6 ***Test1***Test2***Test3Will compute 3 times 2 ***Test4 -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6916] Remove deprecated items from asynchat
Roundup Robot added the comment: New changeset aeeb385e61e4 by Giampaolo Rodola' in branch 'default': #6916: attempt to fix BB failure http://hg.python.org/cpython/rev/aeeb385e61e4 -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6916 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5800] make wsgiref.headers.Headers accept empty constructor
Berker Peksag added the comment: The patch is not committed yet. $ ./python Python 3.5.0a0 (default:979aaa08c067+, Jun 19 2014, 13:01:36) [GCC 4.6.3] on linux Type help, copyright, credits or license for more information. from wsgiref.headers import Headers h = Headers() Traceback (most recent call last): File stdin, line 1, in module TypeError: __init__() missing 1 required positional argument: 'headers' Here's an updated patch that addresses Éric's review (and without cosmetic changes to make review easier). -- nosy: +berker.peksag status: languishing - open versions: +Python 3.5 -Python 3.3 Added file: http://bugs.python.org/file35721/issue5800.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5800 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5800] make wsgiref.headers.Headers accept empty constructor
Mark Lawrence added the comment: Just for the record clicking on revision 86742 gives Specified revision r86742 not found. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5800 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue2459] speedup for / while / if with better bytecode
Mark Lawrence added the comment: As a lot of work has gone into this it saddens me to see it languishing. Surely if Python performance is to be improved the bytecode for conditionals and loops is one of the places if not the place to do it? Are there any names missing from the nosy list that ought to be there? -- nosy: +BreamoreBoy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue2459 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue2506] Add mechanism to disable optimizations
Pedro Gimeno added the comment: I consider peephole optimization when no optimization was requested a bug. Documentation for -O says it Turns on basic optimizations. Peephole optimization is a basic optimization, yet it is performed even when no basic optimizations were requested. No need to add a switch. Just don't optimize if not requested. -- nosy: +pgimeno ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue2506 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue9175] ctypes doesn't build on hp-ux
Mark Lawrence added the comment: Was this ever a Python issue if the compiler isn't supported by ctypes? If it is a Python issue what is the likelihood of a fix being put in place for the 2.7 series? -- nosy: +BreamoreBoy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue9175 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue15745] Numerous utime ns tests fail on FreeBSD w/ ZFS (update: and NetBSD w/ FFS, Solaris w/ UFS)
Mark Lawrence added the comment: Could we have a formal review of the patch please as Victor seemed fairly happy with it in msg176881. Note that #16287 also refers to this issue. -- nosy: +BreamoreBoy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue15745 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue1299] distutils.sysconfig is not cross-platform compatible
Mark Lawrence added the comment: From https://docs.python.org/3/library/distutils.html Most Python users will not want to use this module directly, but instead use the cross-version tools maintained by the Python Packaging Authority. Refer to the Python Packaging User Guide for more information.. So can this be closed as out of date? -- nosy: +BreamoreBoy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue1299 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21799] Py_SetPath() gives compile error: undefined reference to '__imp_Py_SetPath'
Changes by Antoine Pitrou pit...@free.fr: -- nosy: +loewis, steve.dower, tim.golden, zach.ware ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue10978] Add optional argument to Semaphore.release for releasing multiple threads
Changes by Antoine Pitrou pit...@free.fr: -- nosy: +neologix ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue10978 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21799] Py_SetPath() gives compile error: undefined reference to '__imp_Py_SetPath'
Martin v. Löwis added the comment: Pat Le Cat: Please focus on one issue at a time. I'm tempted to close this issue as works for me, and let you start over reporting one single issue that we then try to resolve. In any case, ignore python3.dll. It's meant for a different use case than yours. As for your initial report: Please report the exact version of mingw64 that you have been using, and the exact command line that you were trying to use. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6916] Remove deprecated items from asynchat
Berker Peksag added the comment: Would using assertWarns be more suitable here? Attached a patch. -- keywords: +patch nosy: +berker.peksag Added file: http://bugs.python.org/file35722/use-assertwarns.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6916 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue17535] IDLE: Add an option to show line numbers along the left side of the editor window, and have it enabled by default.
Saimadhav Heblikar added the comment: List of additions/changes 1. EditorWindow uses LineNumber.Text instead of tkinter.Text. 2. Added linenumber canvas to IDLE windows except PyShell 3. Some info about LineNumber.Text a) Inherits tk.Text b) Generates Changed virtual event, when insert, delete, replace, cursor changes position, window resized, scrolled etc. Nothing else is affected. The result of the original call is returned. 4. LineNumber.LineNumberCanvas info a) font_color and breakpoint_color have default values b) Linenumber and breakpoints disabled by default. Instantiating a LineNumberCanvas object does not pack it. c) Pack it programmatically by calling its attach method. Compulsorily supply the text widget to attach to. Supply other parameters like font_color, background, breakpoint_color as necessary. d) Unpack using detach method. e) Breakpoint feature is enabled only if LineNumberCanvas can see an EditorWindow instance called editwin as its attribute. It(editwin) should implement set_breakpoint(linenumber) and clear_breakpoint(linenumber) methods. EditorWindow responsible for binding breakpoint action on the canvas to LineNumberCanvas' toggle_breakpoint method. f) Contains a htest for GUI testing linenumbering and breakpoints. g) Any valid color can be set for linenumber canvas' background, its font color and breakpoint color. NS: Breakpoint does not have a background color. h) Linenumber canvas enabled by default. 5. Linenumber preferences in configDialog's General tab. Highlight preferences in configDialog's Highlight tab. 6. Other changes a) Refactoring of PyShell's set_breakpoint_here, set_breakpoint, clear_breakpoint_here and clear_breakpoint to make more consistent. -- Added file: http://bugs.python.org/file35723/line-numbering-v2.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17535 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue17535] IDLE: Add an option to show line numbers along the left side of the editor window, and have it enabled by default.
Changes by Saimadhav Heblikar saimadhavhebli...@gmail.com: -- nosy: +taleinat ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17535 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21799] Py_SetPath() gives compile error: undefined reference to '__imp_Py_SetPath'
Pat Le Cat added the comment: Yes I'm sorry, this evolved as I investigated further. So the initial case has become this: Bug: Python 3.4 Windows installation contains python34.dll but does not install it. Both: python-3.4.1.amd64.msi and python-3.4.0.amd64.msi (maybe the 32bit too?) Negligence: Documentation should mention that to embed Python it is necessary to use python34.dll (at least under Windows) and that with MingW one can directly link to the DLL and doesn't need an .a file. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21799] Py_SetPath() gives compile error: undefined reference to '__imp_Py_SetPath'
Pat Le Cat added the comment: Plus the MSVC-2013 compiler warning noted earlier of course: Warning: 1c:\python34\include\pymath.h(22): warning C4273: 'round' : inconsistent dll linkage 1C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\include\math.h(516) : see previous definition of 'round' -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue1742205] ZipFile.writestr writes incorrect extended local headers
Changes by Zachary Ware zachary.w...@gmail.com: -- versions: +Python 3.4, Python 3.5 -Python 3.1, Python 3.2 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue1742205 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue1742205] ZipFile.writestr writes incorrect extended local headers
Changes by Zachary Ware zachary.w...@gmail.com: -- nosy: +zach.ware ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue1742205 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21825] Embedding-Python example code from documentation crashes
New submission from Pat Le Cat: When I comment out the Py_SetPath() function call (Line 56), then the code runs up to the 4th test print and then crashes again, possibly at: Py_XDECREF(pArgs) else it crashes at Py_Initalize. The same behavior can be observed under Python 3.4.0 and 3.4.1 and on both the MSVC and GCC compiler. BTW: The multiply.py runs fine when called with py -3 directly. Output without Py_SetPath: C:\Development\xxx\Testo1\Snakes\ReleaseSnakes.exe multiply multiply 3 2 Number of arguments 5 Will compute 3 times 2 Result: 6 ***Test1***Test2***Test3Will compute 3 times 2 ***Test4 Output with Py_SetPath: C:\Development\xxx\Testo1\Snakes\ReleaseSnakes.exe multiply multiply 3 2 Fatal Python error: Py_Initialize: unable to load the file system codec ImportError: No module named 'encodings' **Dev-Environment: Windows 8.1 64bit, MSVC-2013 and MingW (installed with mingw-w64-install.exe downloaded in June 2014). **Microsoft Visual Studio Professional 2013: v12.0.30501.00 Update2 **GCC/G++ Version: C:\Development\xxx\Testo1\Snakes\Releaseg++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=C:/MingW64/bin/../libexec/gcc/x86_64-w64-mingw32/4.9.0/lto-wrapper.exe Target: x86_64-w64-mingw32 Configured with: ../../../src/gcc-4.9.0/configure --host=x86_64-w64-mingw32 --build=x86_64-w64-mingw32 --targe t=x86_64-w64-mingw32 --prefix=/mingw64 --with-sysroot=/c/mingw490/x86_64-490-win32-seh-rt_v3-rev1/mingw64 --wi th-gxx-include-dir=/mingw64/x86_64-w64-mingw32/include/c++ --enable-shared --enable-static --disable-multilib --enable-languages=ada,c,c++,fortran,objc,obj-c++,lto --enable-libstdcxx-time=yes --enable-threads=win32 --ena ble-libgomp --enable-libatomic --enable-lto --enable-graphite --enable-checking=release --enable-fully-dynamic -string --enable-version-specific-runtime-libs --disable-isl-version-check --disable-cloog-version-check --dis able-libstdcxx-pch --disable-libstdcxx-debug --enable-bootstrap --disable-rpath --disable-win32-registry --dis able-nls --disable-werror --disable-symvers --with-gnu-as --with-gnu-ld --with-arch=nocona --with-tune=core2 - -with-libiconv --with-system-zlib --with-gmp=/c/mingw490/prerequisites/x86_64-w64-mingw32-static --with-mpfr=/ c/mingw490/prerequisites/x86_64-w64-mingw32-static --with-mpc=/c/mingw490/prerequisites/x86_64-w64-mingw32-sta tic --with-isl=/c/mingw490/prerequisites/x86_64-w64-mingw32-static --with-cloog=/c/mingw490/prerequisites/x86_ 64-w64-mingw32-static --enable-cloog-backend=isl --with-pkgversion='x86_64-win32-seh-rev1, Built by MinGW-W64 project' --with-bugurl=http://sourceforge.net/projects/mingw-w64 CFLAGS='-O2 -pipe -I/c/mingw490/x86_64-490-wi n32-seh-rt_v3-rev1/mingw64/opt/include -I/c/mingw490/prerequisites/x86_64-zlib-static/include -I/c/mingw490/pr erequisites/x86_64-w64-mingw32-static/include' CXXFLAGS='-O2 -pipe -I/c/mingw490/x86_64-490-win32-seh-rt_v3-re v1/mingw64/opt/include -I/c/mingw490/prerequisites/x86_64-zlib-static/include -I/c/mingw490/prerequisites/x86_ 64-w64-mingw32-static/include' CPPFLAGS= LDFLAGS='-pipe -L/c/mingw490/x86_64-490-win32-seh-rt_v3-rev1/mingw64/ opt/lib -L/c/mingw490/prerequisites/x86_64-zlib-static/lib -L/c/mingw490/prerequisites/x86_64-w64-mingw32-stat ic/lib' Thread model: win32 gcc version 4.9.0 (x86_64-win32-seh-rev1, Built by MinGW-W64 project) -- components: Build, Demos and Tools files: main.cpp messages: 221259 nosy: Pat.Le.Cat priority: normal severity: normal status: open title: Embedding-Python example code from documentation crashes type: crash versions: Python 3.4 Added file: http://bugs.python.org/file35724/main.cpp ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21825 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21825] Embedding-Python example code from documentation crashes
Pat Le Cat added the comment: Crash Error Window (pic) -- Added file: http://bugs.python.org/file35725/snakes_bug.jpg ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21825 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21031] [patch] Add AlpineLinux to the platform module's supported distributions list
Mark Lawrence added the comment: Why has this been set to languishing as it's only three months old? -- nosy: +BreamoreBoy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21031 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6305] islice doesn't accept large stop values
Alok Singhal added the comment: Hi Raymond, Martin, I won't feel bad about this patch not making it into the final Python distribution. I worked on this bug because it was the only core C bug at PyCon US sprints for CPython. I learned a bit more about CPython while working on it and I don't consider the time I spent on this bug as wasted. Other than symmetry arguments, I can't think of any other argument for islice to accept large values. a = [] a[sys.maxsize+2:] # gives: [] islice(a, None, sys.maxsize+2) # raises exception But because islice has to go through the elements of the iterable from the current value to start, while the first example doesn't, I don't think the symmetry argument is that strong here. So, I think it's fine if we close this bug without accepting this patch. Thanks for your time in reviewing it! -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6305 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21818] cookielib documentation references Cookie module, not cookielib.Cookie class
Changes by Demian Brecht demianbre...@gmail.com: -- nosy: +dbrecht ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21818 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21714] Path.with_name can construct invalid paths
Antoine Pitrou added the comment:
should path.with_name('foo/') be allowed?
For sanity, I think path separators should be disallowed.
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[issue21799] Py_SetPath() gives compile error: undefined reference to '__imp_Py_SetPath'
Martin v. Löwis added the comment: Your report is difficult to believe, since it would mean that Python 3.4 cannot work at all, for anybody. We would have received hundreds of reports if this was actually true. I just tried again, and it indeed correctly installed python34.dll: C:\dir c:\Windows\System32\python34.dll Datenträger in Laufwerk C: ist Packard Bell Volumeseriennummer: 7AFF-FF59 Verzeichnis von c:\Windows\System32 18.05.2014 10:45 4.047.872 python34.dll 1 Datei(en), 4.047.872 Bytes Closing this as works for me. You may reopen it if you insist that it didn't install python34.dll on your system. If you want to report a different issue, please open a new one. If you need help in your Python project, please contact one of the Python support forums, such as python-l...@python.org. -- resolution: - works for me status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6362] multiprocessing: handling of errno after signals in sem_acquire()
Tumer Topcu added the comment:
Looks like the suggested fix is there in v2.7.6:
do {
Py_BEGIN_ALLOW_THREADS
if (blocking timeout_obj == Py_None)
res = sem_wait(self-handle);
else if (!blocking)
res = sem_trywait(self-handle);
else
res = sem_timedwait(self-handle, deadline);
Py_END_ALLOW_THREADS
err = errno;
if (res == MP_EXCEPTION_HAS_BEEN_SET)
break;
} while (res 0 errno == EINTR !PyErr_CheckSignals());
if (res 0) {
errno = err;
if (errno == EAGAIN || errno == ETIMEDOUT)
Py_RETURN_FALSE;
else if (errno == EINTR)
return NULL;
else
return PyErr_SetFromErrno(PyExc_OSError);
}
But I am still able to reproduce the issue following the exact same steps
written.
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[issue21799] python34.dll is not installed
Changes by Martin v. Löwis mar...@v.loewis.de: -- title: Py_SetPath() gives compile error: undefined reference to '__imp_Py_SetPath' - python34.dll is not installed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21826] Performance issue (+fix) AIX ctypes.util with no /sbin/ldconfig present
New submission from tw.bert:
Preample: This is my first post to the python issue tracker, I included a fix.
This issue is probably related to http://bugs.python.org/issue11063 .
The problem:
After upgrading a package on AIX 7.1 x64 that started using the uuid module, we
experienced serious performance issues.
The culprit (found after a day of debugging) is here:
File: ctypes/util.py
Note: The file /sbin/ldconfig does *not* exist, so no useful information is
collected here.
The statement:
`f = os.popen('/sbin/ldconfig -p 2/dev/null')`
To be more specific about the performace at popen(), the performance
degradation happens in it's close() method. It takes 300 ms, which is
unacceptable. In a larger scope, statements that took 200ms now take 1400ms
(because the above is called several times.
If I simply check for os.path.exists before the popen, the performance is fine
again. See the included simple patch. It's a simple unix diff, we don't have
git on that machine. Git can handle those diffs easily to my knowledge.
More information:
Small scope, culprit identified:
import os, time, traceback
print os.__file__
print time.clock(),'pre'
f = None
try:
#if os.path.exists('/sbin/ldconfig'):
f = os.popen('/sbin/ldconfig -p 2/dev/null')
except:
print traceback.format_exc()
finally:
print time.clock(),'post close'
if f: f.close()
print time.clock(),'post finally'
This takes 300ms (post finally) without the check for exists.
Large scope, before patch:
time python -c import hiredis;import redis;print 'redis-py version: %s ,
hiredis-py version: %s' %(redis.VERSION,hiredis.__ver
sion__,)
redis-py version: (2, 10, 1) , hiredis-py version: 0.1.3
real0m1.409s
user0m0.416s
sys 0m0.129s
Large scope, after patch:
time python -c import hiredis;import redis;print 'redis-py version: %s ,
hiredis-py version: %s' %(redis.VERSION,hiredis.__ver
sion__,)
redis-py version: (2, 10, 1) , hiredis-py version: 0.1.3
real0m0.192s
user0m0.056s
sys 0m0.050s
--
components: ctypes
files: patch_ctypes_util_py.diff
keywords: patch
messages: 221266
nosy: tw.bert
priority: normal
severity: normal
status: open
title: Performance issue (+fix) AIX ctypes.util with no /sbin/ldconfig present
versions: Python 2.7
Added file: http://bugs.python.org/file35726/patch_ctypes_util_py.diff
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[issue21765] Idle: make 3.x HyperParser work with non-ascii identifiers.
Tal Einat added the comment:
Note that the proposed patch only manages to replicate the
ID_Start and ID_Continue properties.
Is this just because of the mishandling of the Other_ID_Start and
Other_ID_Continue properties, or something else as well? I based my code on the
definitions in:
https://docs.python.org/3/reference/lexical_analysis.html#identifiers
Are those actually wrong?
Note that my code uses category(normalize(char)[0]), so it's always making sure
that the first character is valid. Actually, though, I now realize that it
should check all of the values returned by normalize().
Regarding testing ('a'+something).isidentifier(), Terry already suggested
something along those lines. I think I'll end up using something of the sort,
to avoid adding additional complex Unicode-related code to maintain in the
future.
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[issue21799] python34.dll is not installed
Pat Le Cat added the comment: Ah it installs it in Windows/Sytem32 okay I had no clue, another undocumented behavior :) Still it is missing in the DLLs folder. And you haven't explained the warning under MSVC. And the documentation should be enhanced as I suggested to be more clear. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21799] python34.dll is not installed
Pat Le Cat added the comment: Well? -- resolution: works for me - status: closed - open ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue3451] Asymptotically faster divmod and str(long)
Mark Lawrence added the comment: As issue18107 has been closed as a duplicate of this, should this be moved to open from languishing? -- nosy: +BreamoreBoy, serhiy.storchaka ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue3451 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue14156] argparse.FileType for '-' doesn't work for a mode of 'rb'
Eli Bendersky added the comment: Nosy-ing myself since I just ran into it. Annoying issue that precludes from using argparse's builtin '-' recognition for reading binary data. I'll try to carve some time later to look at the patches. -- nosy: +eli.bendersky versions: +Python 3.3, Python 3.4, Python 3.5 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue14156 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6362] multiprocessing: handling of errno after signals in sem_acquire()
Tumer Topcu added the comment: Nevermind the last comment (curse of using a loaner laptop), tried again after compiling against the latest repo all works as expected. I believe this issue can be closed. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6362 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue17170] string method lookup is too slow
Antoine Pitrou added the comment: Indeed keeping this issue open wouldn't be very productive since it relates to the more general problem of Python's slow interpretation. -- resolution: - rejected status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17170 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21799] python34.dll is not installed
Martin v. Löwis added the comment: The issue you have reported is that python34.dll is not being installed. I closed this report as invalid (and will reclose it again now). That the DLL isn't installed into the DLLs folder is by design: it either installs into system32, or into the DLLs folder. It would be harmful to install it twice. If you have another issue to report, please submit a new bug report. One issue at a time, please. When reporting a documentation bug, please also include in the report which documentation you have been looking at. Preferably propose a specific wording for a specific section you want to see changed. -- resolution: - works for me status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21799] python34.dll is not installed
Pat Le Cat added the comment: Cheesas you are really making it hard by design to report things to Python. Maybe a bit more common sense could help the project, or should I file a new bug-report for that too? :-/ -- resolution: works for me - rejected ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21799 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6362] multiprocessing: handling of errno after signals in sem_acquire()
Martin v. Löwis added the comment: Thanks, closing as fixed. -- nosy: +loewis resolution: - fixed status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6362 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21827] textwrap.dedent() fails when largest common whitespace is a substring of smallest leading whitespace
New submission from Robert Li: Failing test case: \tboo\n \tghost expected: \tboo\n\tghost returns: \tboo\n \tghost -- components: Library (Lib) messages: 221277 nosy: pitrou, r.david.murray, robertjli, yjchen priority: normal severity: normal status: open title: textwrap.dedent() fails when largest common whitespace is a substring of smallest leading whitespace type: behavior versions: Python 3.5 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21827 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21826] Performance issue (+fix) AIX ctypes.util with no /sbin/ldconfig present
R. David Murray added the comment: How does this interact with issue 11063? -- nosy: +r.david.murray ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21826 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21765] Idle: make 3.x HyperParser work with non-ascii identifiers.
Martin v. Löwis added the comment: I think you are misinterpreting the grammar. Your code declares that U+00B2 (SUPERSCRIPT TWO, ²) is an identifier character. Its category is No, so it is actually not. However, its normalization is U+0032 (DIGIT TWO, 2), which is an identifier character - but that doesn't make SUPERSCRIPT TWO a member of XID_Continue. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21765 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21827] textwrap.dedent() fails when largest common whitespace is a substring of smallest leading whitespace
Changes by Raymond Hettinger raymond.hettin...@gmail.com: -- assignee: - rhettinger nosy: +rhettinger ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21827 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8192] SQLite3 PRAGMA table_info doesn't respect database on Win32
Amadu Durham added the comment: Tested in both versions 2.7 and 3.4 this sqlite3 inconsistency has been corrected and no longer exists. -- nosy: +amadu type: - behavior versions: +Python 2.7, Python 3.4 -Python 2.6 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8192 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21827] textwrap.dedent() fails when largest common whitespace is a substring of smallest leading whitespace
Raymond Hettinger added the comment: Confirmed that the test case fails on 2.7, 3.4, and 3.5 -- priority: normal - high stage: - needs patch versions: +Python 2.7, Python 3.4 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21827 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21827] textwrap.dedent() fails when largest common whitespace is a substring of smallest leading whitespace
Raymond Hettinger added the comment: This one isn't hard. Would you like to make a patch? If not, I get to it this evening. -- keywords: +easy ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21827 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue3423] DeprecationWarning message applies to wrong context with exec()
Changes by Zachary Ware zachary.w...@gmail.com: -- resolution: rejected - versions: +Python 2.7, Python 3.4, Python 3.5 -Python 3.2 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue3423 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21827] textwrap.dedent() fails when largest common whitespace is a substring of smallest leading whitespace
YJ Chen added the comment: Hi Raymond- Rob and I have a patch ready. We are figuring out how to upload/submit it. New to this... :) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21827 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21826] Performance issue (+fix) AIX ctypes.util with no /sbin/ldconfig present
tw.bert added the comment: Hi David, thank you for looking into this. Issue 11063 starts with When the uuid.py module is simply imported it has the side effect of forking a subprocess (/sbin/ldconfig) and doing a lot of stuff find a uuid implementation by ctypes.. My fix is specific about solving the AIX performance problem I encounter in the exact same condition as above. My guess is, that if 11063 is picked up (not using external tools), the AIX performance problem will be addressed automatically, rendering the new issue 21826 obsolete. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21826 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue21827] textwrap.dedent() fails when largest common whitespace is a substring of smallest leading whitespace
Changes by Zachary Ware zachary.w...@gmail.com: -- nosy: +zach.ware ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue21827 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
