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Bug 1427468 - Allow to run mach python without a virtualenv. r=nalexander
Sometimes, one just wants to run a one-off script with access to all (or most) the libraries available like mozbuild, etc. but without the weight of the whole virtualenv, which implies having an objdir setup, etc. One of my use cases is to run our preprocessor before the objdir is even setup, and I'd rather not have one automatically created. --HG-- extra : rebase_source : a6ad30a47ea8e497b274845caf7a9504b9f13282
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@ -7,6 +7,7 @@ from __future__ import absolute_import, print_function, unicode_literals
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import argparse
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import logging
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import os
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import sys
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import tempfile
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from concurrent.futures import (
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@ -35,18 +36,29 @@ from mach.decorators import (
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class MachCommands(MachCommandBase):
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@Command('python', category='devenv',
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description='Run Python.')
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@CommandArgument('--no-virtualenv', action='store_true',
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help='Do not set up a virtualenv')
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@CommandArgument('args', nargs=argparse.REMAINDER)
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def python(self, args):
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def python(self, no_virtualenv, args):
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# Avoid logging the command
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self.log_manager.terminal_handler.setLevel(logging.CRITICAL)
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self._activate_virtualenv()
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# Note: subprocess requires native strings in os.environ on Windows.
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append_env = {
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b'PYTHONDONTWRITEBYTECODE': str('1'),
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}
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return self.run_process([self.virtualenv_manager.python_path] + args,
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if no_virtualenv:
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python_path = sys.executable
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append_env[b'PYTHONPATH'] = os.pathsep.join(sys.path)
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else:
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self._activate_virtualenv()
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python_path = self.virtualenv_manager.python_path
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return self.run_process([python_path] + args,
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pass_thru=True, # Allow user to run Python interactively.
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ensure_exit_code=False, # Don't throw on non-zero exit code.
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# Note: subprocess requires native strings in os.environ on Windows
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append_env={b'PYTHONDONTWRITEBYTECODE': str('1')})
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append_env=append_env)
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@Command('python-test', category='testing',
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description='Run Python unit tests with an appropriate test runner.')
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