Reject environment variable names containing '='

[serhiy-storchaka]

BPO	30746
Nosy	@loewis, @larryhastings, @serhiy-storchaka
PRs	bpo-30746: Prohibited the '=' character in environment variable names #2382 [3.6] bpo-30746: Prohibited the '=' character in environment variable names (GH-2382) #2391 [3.5] bpo-30746: Prohibited the '=' character in environment variable names (GH-2382) #2392 [2.7] bpo-30746: Prohibited the '=' character in environment variable names (GH-2382) #2393 bpo-30746: Port more tests for os.spawnvpe() and os.execve() from 2.7. #2394

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2017-06-25.06:51:00.176>
created_at = <Date 2017-06-24.19:05:15.137>
labels = ['extension-modules', 'type-bug', '3.7']
title = "Reject environment variable names containing '='"
updated_at = <Date 2017-06-25.06:51:00.175>
user = 'https://github.com/serhiy-storchaka'

bugs.python.org fields:

activity = <Date 2017-06-25.06:51:00.175>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = True
closed_date = <Date 2017-06-25.06:51:00.176>
closer = 'serhiy.storchaka'
components = ['Extension Modules']
creation = <Date 2017-06-24.19:05:15.137>
creator = 'serhiy.storchaka'
dependencies = []
files = []
hgrepos = []
issue_num = 30746
keywords = []
message_count = 6.0
messages = ['296781', '296802', '296811', '296812', '296813', '296814']
nosy_count = 3.0
nosy_names = ['loewis', 'larry', 'serhiy.storchaka']
pr_nums = ['2382', '2391', '2392', '2393', '2394']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue30746'
versions = ['Python 2.7', 'Python 3.5', 'Python 3.6', 'Python 3.7']

[serhiy-storchaka]

Environment variable names shouldn't contain the '=' character, because it often is used as a separator between a name and a value. There is an exception -- starting '=' on Windows is used for defining "hidden" environment variables.

Using names containing '=' in environment dict in subprocess is prohibited in bpo-30730. Proposed PR prohibits names containing '=' in two other cases: in os.putenv() and os.spawn*(). It fixes the part of bpo-4926.

[serhiy-storchaka]

New changeset 7770394 by Serhiy Storchaka in branch 'master':
bpo-30746: Prohibited the '=' character in environment variable names (bpo-2382)
7770394

[serhiy-storchaka]

New changeset af5392f by Serhiy Storchaka in branch 'master':
bpo-30746: Port more tests for os.spawnvpe() and os.execve() from 2.7. (bpo-2394)
af5392f

[serhiy-storchaka]

New changeset 9c2dc0c by Serhiy Storchaka in branch '3.6':
[3.6] bpo-30746: Prohibited the '=' character in environment variable names (GH-2382) (bpo-2391)
9c2dc0c

[serhiy-storchaka]

New changeset 99e9eb6 by Serhiy Storchaka in branch '3.5':
[3.5] bpo-30746: Prohibited the '=' character in environment variable names (GH-2382) (bpo-2392)
99e9eb6

[serhiy-storchaka]

New changeset 787826c by Serhiy Storchaka in branch '2.7':
[2.7] bpo-30746: Prohibited the '=' character in environment variable names (GH-2382) (bpo-2393)
787826c