docs November 2020

docs@python.org

8 participants
240 discussions

[issue39774] Missing documentation on how to make package executable as script

by igo95862

New submission from igo95862 <igo9586(a)gmail.com>: This is package documentation: https://docs.python.org/3/tutorial/modules.html#packages To make package executable (python -m package) you need to create a file __main__.py in the package directory. This is pretty much not documented anyone aside of trying to run a package missing __main__.py This page already contains information on how to make module executable. (https://docs.python.org/3/tutorial/modules.html#executing-modules-as-scripts) ---------- assignee: docs@python components: Documentation messages: 362790 nosy: docs@python, igo95862 priority: normal severity: normal status: open title: Missing documentation on how to make package executable as script type: enhancement versions: Python 3.8 _______________________________________ Python tracker <report(a)bugs.python.org> <https://bugs.python.org/issue39774> _______________________________________

1 month

[issue39125] Type signature of @property not shown in help()

by Nguyễn Gia Phong

New submission from Nguyễn Gia Phong <vn.mcsinyx(a)gmail.com>: Dear Maintainer, I want to request a feature on the generative documentation of type-hinting. As of December 2019, I believe there is no support for generating such information in help(). For demonstration, I have this tiny piece of code class Foo: @property def bar(self) -> int: return 42 @bar.setter def bar(self, value: int) -> None: pass def baz(self, arg: float) -> str: pass whose documentation on CPython 3.7.5 (on Debian testing amd64 if that matters) is generated as class Foo(builtins.object) | Methods defined here: | | baz(self, arg: float) -> str | | ---------------------------------------------------------------------- | Data descriptors defined here: | | __dict__ | dictionary for instance variables (if defined) | | __weakref__ | list of weak references to the object (if defined) | | bar I expect the documentation for bar to be as informative as bar, i.e. something similar to ``bar: int''. As pointed out by ChrisWarrick on freenode#python, the annotations are already present, yet help() is not making use of them: >>> Foo.bar.fget.__annotations__ {'return': <class 'int'>} >>> Foo.bar.fset.__annotations__ {'value': <class 'int'>, 'return': None} Have a Merry Christmas or other holiday of your choice, Nguyễn Gia Phong ---------- assignee: docs@python components: Documentation messages: 358823 nosy: McSinyx, docs@python priority: normal severity: normal status: open title: Type signature of @property not shown in help() type: enhancement versions: Python 3.5, Python 3.6, Python 3.7, Python 3.8, Python 3.9 _______________________________________ Python tracker <report(a)bugs.python.org> <https://bugs.python.org/issue39125> _______________________________________

1 month

[issue38963] multiprocessing processes seem to "bleed" user information (GID/UID/groups)

by Roman Joost

New submission from Roman Joost <roman(a)bromeco.de>: When running a process which changes UID/GID, some of the following processes will run as the user I change to per process. In order to reproduce (see the attached reproducer): 1. Change the 'USERNAME' to an unprivileged user on your system. 2. Run the reproducer as a user with elevated privileges (e.g. root or some secondary user you have on your system). Mind you, I don't think the user you run as needs elevated privileges, but that's the user I ran as when I observed this behaviour. 3. The reproducer iterates over a list (It stems from a test function which was checking permissions on log files). Observe the print out, which prints the process' GID, UID and secondary groups before we're changing to the users GID, UID and secondary groups. 4. You should observe that at some point the process prints the user information of the user we want to change to not the one which initially started the script. Example output when running locally as root: ('B', (0, 0, [0])) ('A', (0, 0, [0])) ('C', (0, 0, [0])) ('E', (0, 0, [0])) ('D', (0, 0, [0])) ('F', (1002, 1002, [10, 135, 1000, 1002])) ('H', (1002, 1002, [10, 135, 1000, 1002])) ('I', (1002, 1002, [10, 135, 1000, 1002])) ('J', (1002, 1002, [10, 135, 1000, 1002])) ('G', (1002, 1002, [10, 135, 1000, 1002])) ('K', (1002, 1002, [10, 135, 1000, 1002])) ('L', (1002, 1002, [10, 135, 1000, 1002])) ('M', (1002, 1002, [10, 135, 1000, 1002])) ('N', (1002, 1002, [10, 135, 1000, 1002])) I would have expected `0` all the way through. However, if I initialise the Pool with `maxtasksperchild=1` the isolation seems as expected. I don't know whether this is a bug or I'm foolish to invoke multiprocessing like this. I've run out of time to investigate this further. It's certainly strange behaviour to me and I thought I better report it, since reproducing seems fairly deterministic. ---------- assignee: docs@python components: Documentation, Library (Lib) files: reproducer.py messages: 357773 nosy: docs@python, romanofski priority: normal severity: normal status: open title: multiprocessing processes seem to "bleed" user information (GID/UID/groups) type: behavior versions: Python 3.6, Python 3.7 Added file: https://bugs.python.org/file48753/reproducer.py _______________________________________ Python tracker <report(a)bugs.python.org> <https://bugs.python.org/issue38963> _______________________________________

1 month

[issue41283] The parameter name for imghdr.what in the documentation is wrong

by Adam Eltawla

New submission from Adam Eltawla <bekerpico(a)gmail.com>: I noticed the parameter name for imghdr.what in the documentation is wrong Link: https://docs.python.org/3.8/library/imghdr.html?highlight=imghdr function imghdr.what(filename, h=None) In reality: def what(file, h=None): It is 'file' not 'filename'. ---------- assignee: docs@python components: Documentation messages: 373551 nosy: aeltawela, docs@python priority: normal severity: normal status: open title: The parameter name for imghdr.what in the documentation is wrong type: enhancement versions: Python 3.8 _______________________________________ Python tracker <report(a)bugs.python.org> <https://bugs.python.org/issue41283> _______________________________________

1 month, 1 week

[issue40932] subprocess docs don't qualify the instruction to use shlex.quote by OS

by Stephen Farris

New submission from Stephen Farris <stephen.farris(a)jhuapl.edu>: The subprocess docs state: "When using shell=True, the shlex.quote() function can be used to properly escape whitespace and shell metacharacters in strings that are going to be used to construct shell commands." While this is true on Unix, it is not true on Windows. On Windows it is easy to create scenarios where shell injection still exists despite using shlex.quote properly (e.g. subprocess.run(shlex.quote("'&calc '"), shell=True) launches the Windows calculator, which it wouldn't do if shlex.quote was able to prevent shell injection on Windows). While the shlex docs state that shlex is for Unix, the subprocess docs imply that shlex.quote will work on Windows too, possibly leading some developers to erroneously use shlex.quote on Windows to try to prevent shell injection. Recommend: 1) qualifying the above section in the subprocess docs to make it clear that this only works on Unix, and 2) updating the shlex docs with warnings that shlex.quote in particular is not for use on Windows. ---------- assignee: docs@python components: Documentation messages: 371140 nosy: Stephen Farris, docs@python priority: normal severity: normal status: open title: subprocess docs don't qualify the instruction to use shlex.quote by OS versions: Python 3.8 _______________________________________ Python tracker <report(a)bugs.python.org> <https://bugs.python.org/issue40932> _______________________________________

1 month, 1 week

[issue34398] Docs search does not index glossary

by Jonathan Fine

New submission from Jonathan Fine <jfine2358(a)gmail.com>: The docs contain a very useful page https://docs.python.org/3.5/glossary.html. However, the search feature does not index the glossary. Thus, the search https://docs.python.org/3.5/search.html?q=iterable does not produce the helpful glossary entry === iterable An object capable of returning its members one at a time. Examples of iterables include all sequence types (such as list, str, and tuple) and some non-sequence types like dict, file objects, and objects of any [...] === #788509 is the only docs issue I could find, whose title contains glossary. It gives insight into the thoughts then about the tutorial. In msg44460 Skip Montaro says (1) that the glossary is "for the tutorial", and (2) he'd like to improve links into the tutorial. I suggest that part of the fix for this issue is on the home page page Glossary in the first grouping "Parts of the documentation." ---------- assignee: docs@python components: Documentation messages: 323503 nosy: docs@python, jfine2358 priority: normal severity: normal status: open title: Docs search does not index glossary type: behavior versions: Python 2.7, Python 3.4, Python 3.5, Python 3.6, Python 3.7, Python 3.8 _______________________________________ Python tracker <report(a)bugs.python.org> <https://bugs.python.org/issue34398> _______________________________________

1 month, 1 week

[issue35026] Winreg's documentation lacks mentioning required permission at some points

by George Fischhof

New submission from George Fischhof <george(a)fischhof.hu>: Winreg's documentation lacks mentioning required permission at some points Hi there, on page https://docs.python.org/3/library/winreg.html it is not mentioned in the description of the following functions: winreg.DeleteKey winreg.DeleteKeyEx winreg.DeleteValue that they require KEY_SET_VALUE when the registry key is opened. It is mentioned for example at: winreg.SetValue with the following text: The key identified by the key parameter must have been opened with KEY_SET_VALUE access. BR, George ---------- assignee: docs@python components: Documentation messages: 328034 nosy: docs@python, georgefischhof priority: normal severity: normal status: open title: Winreg's documentation lacks mentioning required permission at some points type: enhancement versions: Python 3.7 _______________________________________ Python tracker <report(a)bugs.python.org> <https://bugs.python.org/issue35026> _______________________________________

1 month, 2 weeks

[issue39231] Mistaken notion in tutorial

by Robert

New submission from Robert <freshbob1337(a)gmail.com>: https://docs.python.org/3/tutorial/controlflow.html 4.7.8. Function Annotations [...] "The following example has a positional argument, a keyword argument, and the return value annotated:" It is not a "positional argument" but an "optional argument". ---------- assignee: docs@python components: Documentation messages: 359443 nosy: docs@python, r0b priority: normal severity: normal status: open title: Mistaken notion in tutorial type: enhancement _______________________________________ Python tracker <report(a)bugs.python.org> <https://bugs.python.org/issue39231> _______________________________________

1 month, 2 weeks

[issue39616] SSLContext.check_hostname description is inaccurate wrt match_hostname

by Ville Skyttä

New submission from Ville Skyttä <ville.skytta(a)iki.fi>: Doc says "Whether to match the peer cert’s hostname with match_hostname() in SSLSocket.do_handshake()." but match_hostname() is no longer used to do that in the first place, OpenSSL is used for that. check_hostname affects the OpenSSL usage, too. ---------- assignee: docs@python components: Documentation messages: 361892 nosy: docs@python, scop priority: normal severity: normal status: open title: SSLContext.check_hostname description is inaccurate wrt match_hostname type: enhancement _______________________________________ Python tracker <report(a)bugs.python.org> <https://bugs.python.org/issue39616> _______________________________________

1 month, 2 weeks

[issue39369] Doc: Update mmap readline method documentation

by Wellington PF

New submission from Wellington PF <wellpardim10(a)gmail.com>: Update mmap readline method description. The fact that the readline method does update the file position should not be ignored since this might give the impression for the programmer that it doesn't update it. ---------- assignee: docs@python components: Documentation messages: 360191 nosy: docs@python, wellpardim priority: normal pull_requests: 17435 severity: normal status: open title: Doc: Update mmap readline method documentation type: enhancement _______________________________________ Python tracker <report(a)bugs.python.org> <https://bugs.python.org/issue39369> _______________________________________

1 month, 2 weeks

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docs November 2020