launcher does not read shebang line when arguments are given

[theller]

BPO	17028
Nosy	@theller, @vsajip, @amauryfa, @vstinner
Files	launcher.patch

^{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 = 'https://github.com/vsajip'
closed_at = <Date 2013-01-29.22:29:38.785>
created_at = <Date 2013-01-25.10:56:24.769>
labels = ['type-feature', 'OS-windows']
title = 'launcher does not read shebang line when arguments are given'
updated_at = <Date 2013-01-31.08:26:07.550>
user = 'https://github.com/theller'

bugs.python.org fields:

activity = <Date 2013-01-31.08:26:07.550>
actor = 'vinay.sajip'
assignee = 'vinay.sajip'
closed = True
closed_date = <Date 2013-01-29.22:29:38.785>
closer = 'python-dev'
components = ['Windows']
creation = <Date 2013-01-25.10:56:24.769>
creator = 'theller'
dependencies = []
files = ['28820']
hgrepos = []
issue_num = 17028
keywords = ['patch']
message_count = 7.0
messages = ['180565', '180895', '180954', '180995', '180996', '180997', '181009']
nosy_count = 5.0
nosy_names = ['theller', 'vinay.sajip', 'amaury.forgeotdarc', 'vstinner', 'python-dev']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue17028'
versions = ['Python 3.4']

[theller]

The python launcher does not parse the shebang if arguments for the Python interpreter are given on the command line. For example:

py.exe test.py # uses shebang line
py.exe -u test.py # does NOT use shebang line

The attached patch fixes this.

[theller]

Hope it is ok to assign this to you, vinay.

[python-dev]

New changeset 0880e0f859e0 by Vinay Sajip in branch 'default':
Closes bpo-17028: Allowed Python arguments to be supplied to launcher.
http://hg.python.org/cpython/rev/0880e0f859e0

[amauryfa]

An entry in Misc/NEWS would be nice.

[vstinner]

A test would also be nice :-)

[python-dev]

New changeset 58e72cb89848 by Vinay Sajip in branch 'default':
Updated NEWS with fix for bpo-17028.
http://hg.python.org/cpython/rev/58e72cb89848

[vsajip]

A test would also be nice :-)

I do test the launcher in a standalone environment, but it's not straightforward to test in a standard build or buildbot environment. For example, it needs 4 sets of Python (Python 2.x and 3.x, 32-bit and 64-bit builds for each) setup in the Windows registry.

The test script I use is at

https://bitbucket.org/vinay.sajip/pylauncher/src/tip/tests.py