py3: Switch almost all shebang lines to use `python3`.
This causes `upgrade-zulip-from-git`, as well as a no-option run of
`tools/build-release-tarball`, to produce a Zulip install running
Python 3, rather than Python 2. In particular this means that the
virtualenv we create, in which all application code runs, is Python 3.
One shebang line, on `zulip-ec2-configure-interfaces`, explicitly
keeps Python 2, and at least one external ops script, `wal-e`, also
still runs on Python 2. See discussion on the respective previous
commits that made those explicit. There may also be some other
third-party scripts we use, outside of this source tree and running
outside our virtualenv, that still run on Python 2.
2017-08-02 23:15:16 +02:00
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#!/usr/bin/env python3
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2015-11-01 17:11:06 +01:00
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from __future__ import print_function
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2013-07-02 17:30:04 +02:00
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import sys
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import pstats
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'''
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This is a helper script to make it easy to show profile
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results after using a Python decorator. It's meant to be
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a simple example that you can hack on, or better yet, you
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can find more advanced tools for showing profiler results.
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'''
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try:
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fn = sys.argv[1]
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2017-01-08 16:25:24 +01:00
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except IndexError:
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2015-11-01 17:11:06 +01:00
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print('''
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2013-07-02 17:30:04 +02:00
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Please supply a filename. (If you use the profiled decorator,
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the file will have a suffix of ".profile".)
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2015-11-01 17:11:06 +01:00
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''')
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2013-07-02 17:30:04 +02:00
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sys.exit(1)
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2017-02-11 03:18:39 +01:00
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p = pstats.Stats(fn) # type: ignore # stats stubs are broken
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p.strip_dirs().sort_stats('cumulative').print_stats(25) # type: ignore # stats stubs are broken
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p.strip_dirs().sort_stats('time').print_stats(25) # type: ignore # stats stubs are broken
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