def main():
"""The command line interface for the ``pip-accel`` program."""
arguments = sys.argv[1:]
# If no arguments are given, the help text of pip-accel is printed.
if not arguments:
usage()
sys.exit(0)
# If no install subcommand is given we pass the command line straight
# to pip without any changes and exit immediately afterwards.
if 'install' not in arguments:
# This will not return.
os.execvp('pip', ['pip'] + arguments)
else:
arguments = [arg for arg in arguments if arg != 'install']
# Initialize logging output.
coloredlogs.install()
# Adjust verbosity based on -v, -q, --verbose, --quiet options.
for argument in list(arguments):
if match_option(argument, '-v', '--verbose'):
coloredlogs.increase_verbosity()
elif match_option(argument, '-q', '--quiet'):
coloredlogs.decrease_verbosity()
# Perform the requested action(s).
try:
accelerator = PipAccelerator(Config())
accelerator.install_from_arguments(arguments)
except NothingToDoError as e:
# Don't print a traceback for this (it's not very user friendly).
logger.error("%s", e)
sys.exit(1)
except Exception:
logger.exception("Caught unhandled exception!")
sys.exit(1)
def main():
"""The command line interface for the ``pip-accel`` program."""
arguments = sys.argv[1:]
# If no arguments are given, the help text of pip-accel is printed.
if not arguments:
usage()
sys.exit(0)
# If no install subcommand is given we pass the command line straight
# to pip without any changes and exit immediately afterwards.
if 'install' not in arguments:
# This will not return.
os.execvp('pip', ['pip'] + arguments)
else:
arguments = [arg for arg in arguments if arg != 'install']
# Initialize logging output.
coloredlogs.install()
# Adjust verbosity based on -v, -q, --verbose, --quiet options.
for argument in list(arguments):
if match_option(argument, '-v', '--verbose'):
coloredlogs.increase_verbosity()
elif match_option(argument, '-q', '--quiet'):
coloredlogs.decrease_verbosity()
# Perform the requested action(s).
try:
accelerator = PipAccelerator(Config())
accelerator.install_from_arguments(arguments)
except NothingToDoError as e:
# Don't print a traceback for this (it's not very user friendly) and
# exit with status zero to stay compatible with pip. For more details
# please refer to https://github.com/paylogic/pip-accel/issues/47.
logger.warning("%s", e)
sys.exit(0)
except Exception:
logger.exception("Caught unhandled exception!")
sys.exit(1)
def main():
"""The command line interface for the ``pip-accel`` program."""
arguments = sys.argv[1:]
# If no arguments are given, the help text of pip-accel is printed.
if not arguments:
usage()
sys.exit(0)
# If no install subcommand is given we pass the command line straight
# to pip without any changes and exit immediately afterwards.
if 'install' not in arguments:
# This will not return.
os.execvp('pip', ['pip'] + arguments)
else:
arguments = [arg for arg in arguments if arg != 'install']
# Initialize logging output.
coloredlogs.install()
# Adjust verbosity based on -v, -q, --verbose, --quiet options.
for argument in list(arguments):
if match_option(argument, '-v', '--verbose'):
coloredlogs.increase_verbosity()
elif match_option(argument, '-q', '--quiet'):
coloredlogs.decrease_verbosity()
# Perform the requested action(s).
try:
accelerator = PipAccelerator(Config())
accelerator.install_from_arguments(arguments)
except Exception:
logger.exception("Caught unhandled exception!")
sys.exit(1)
def runTest(self):
"""
A very basic test of the functions that make up the pip-accel command
using the `virtualenv` package as a test case.
"""
accelerator = PipAccelerator(Config(), validate=False)
# We will test the downloading, conversion to binary distribution and
# installation of the virtualenv package (we simply need a package we
# know is available from PyPI).
arguments = ['--ignore-installed', 'virtualenv==1.8.4']
# First we do a simple sanity check that unpack_source_dists() does NOT
# connect to PyPI when it's missing source distributions (it should
# raise a DistributionNotFound exception instead).
try:
accelerator.unpack_source_dists(arguments)
# This line should never be reached.
self.assertTrue(False)
except Exception as e:
# We expect a `DistributionNotFound' exception.
self.assertTrue(isinstance(e, DistributionNotFound))
# Download the source distribution from PyPI.
requirements = accelerator.download_source_dists(arguments)
self.assertTrue(isinstance(requirements, list))
self.assertEqual(len(requirements), 1)
self.assertEqual(requirements[0].name, 'virtualenv')
self.assertEqual(requirements[0].version, '1.8.4')
self.assertTrue(os.path.isdir(requirements[0].source_directory))
# Make sure install_requirements() (really install_binary_dist())
# validates its arguments.
self.assertRaises(ValueError,
accelerator.install_requirements,
requirements=requirements,
prefix=self.virtual_environment,
python='/usr/bin/python')
# Test the build and installation of the binary package. We have to
# pass `prefix' explicitly here because the Python process running this
# test is not inside the virtual environment created to run the
# tests...
accelerator.install_requirements(requirements,
prefix=self.virtual_environment,
python=os.path.join(self.virtual_environment, 'bin', 'python'))
# Validate that the `virtualenv' package was properly installed.
logger.debug("Checking that `virtualenv' executable was installed ..")
self.assertTrue(os.path.isfile(os.path.join(self.virtual_environment, 'bin', 'virtualenv')))
logger.debug("Checking that `virtualenv' command works ..")
command = '%s --help' % pipes.quote(os.path.join(self.virtual_environment, 'bin', 'virtualenv'))
self.assertEqual(os.system(command), 0)
# We now have a non-empty download cache and source index so this
# should not raise an exception (it should use the source index).
accelerator.unpack_source_dists(arguments)
# Verify that pip-accel properly deals with broken symbolic links
# pointing from the source index to the download cache.
os.unlink(os.path.join(self.download_cache, os.listdir(self.download_cache)[0]))
accelerator = PipAccelerator(Config(), validate=False)
accelerator.install_from_arguments(arguments)
# I'm not yet sure how to effectively test the command line interface,
# because this test suite abuses validate=False which the command line
# interface does not expose. That's why the following will report an
# error message. For now at least we're running the code and making
# sure there are no syntax errors / incompatibilities.
try:
sys.argv = ['pip-accel', 'install', 'virtualenv==1.8.4']
main()
# This should not be reached.
self.assertTrue(False)
except BaseException as e:
# For now the main() function is expected to fail and exit with a
# nonzero status code (explained above).
self.assertTrue(isinstance(e, SystemExit))
# Test system package dependency handling.
if coerce_boolean(os.environ.get('PIP_ACCEL_TEST_AUTO_INSTALL')):
# Force the removal of a system package required by `lxml' without
# removing any (reverse) dependencies (we don't actually want to
# break the system, thank you very much :-). Disclaimer: you opt in
# to this with $PIP_ACCEL_TEST_AUTO_INSTALL...
os.system('sudo dpkg --remove --force-depends libxslt1-dev')
os.environ['PIP_ACCEL_AUTO_INSTALL'] = 'true'
accelerator = PipAccelerator(Config(), validate=False)
accelerator.install_from_arguments(arguments=['--ignore-installed', 'lxml==3.2.1'],
prefix=self.virtual_environment,
python=os.path.join(self.virtual_environment, 'bin', 'python'))
def runTest(self):
"""
A very basic test of the functions that make up the pip-accel command
using the `virtualenv` package as a test case.
"""
accelerator = PipAccelerator(Config(), validate=False)
# We will test the downloading, conversion to binary distribution and
# installation of the virtualenv package (we simply need a package we
# know is available from PyPI).
arguments = ['--ignore-installed', 'virtualenv==1.8.4']
# First we do a simple sanity check that unpack_source_dists() does NOT
# connect to PyPI when it's missing source distributions (it should
# raise a DistributionNotFound exception instead).
try:
accelerator.unpack_source_dists(arguments)
# This line should never be reached.
self.assertTrue(False)
except Exception as e:
# We expect a `DistributionNotFound' exception.
self.assertTrue(isinstance(e, DistributionNotFound))
# Download the source distribution from PyPI.
requirements = accelerator.download_source_dists(arguments)
self.assertTrue(isinstance(requirements, list))
self.assertEqual(len(requirements), 1)
self.assertEqual(requirements[0].name, 'virtualenv')
self.assertEqual(requirements[0].version, '1.8.4')
self.assertTrue(os.path.isdir(requirements[0].source_directory))
# Test the build and installation of the binary package. We have to
# pass `prefix' explicitly here because the Python process running this
# test is not inside the virtual environment created to run the
# tests...
accelerator.install_requirements(requirements,
prefix=self.virtual_environment,
python=os.path.join(
self.virtual_environment, 'bin',
'python'))
# Validate that the `virtualenv' package was properly installed.
logger.debug("Checking that `virtualenv' executable was installed ..")
self.assertTrue(
os.path.isfile(
os.path.join(self.virtual_environment, 'bin', 'virtualenv')))
logger.debug("Checking that `virtualenv' command works ..")
command = '%s --help' % pipes.quote(
os.path.join(self.virtual_environment, 'bin', 'virtualenv'))
self.assertEqual(os.system(command), 0)
# We now have a non-empty download cache and source index so this
# should not raise an exception (it should use the source index).
accelerator.unpack_source_dists(arguments)
# Verify that pip-accel properly deals with broken symbolic links
# pointing from the source index to the download cache.
os.unlink(
os.path.join(self.download_cache,
os.listdir(self.download_cache)[0]))
accelerator = PipAccelerator(Config(), validate=False)
accelerator.install_from_arguments(arguments)
# Verify that pip-accel properly handles setup.py scripts that break
# the `bdist_dumb' action but support the `bdist' action as a fall
# back.
accelerator = PipAccelerator(Config(), validate=False)
accelerator.install_from_arguments(['paver==1.2.3'])
# I'm not yet sure how to effectively test the command line interface,
# because this test suite abuses validate=False which the command line
# interface does not expose. That's why the following will report an
# error message. For now at least we're running the code and making
# sure there are no syntax errors / incompatibilities.
try:
sys.argv = ['pip-accel', 'install', 'virtualenv==1.8.4']
main()
# This should not be reached.
self.assertTrue(False)
except BaseException as e:
# For now the main() function is expected to fail and exit with a
# nonzero status code (explained above).
self.assertTrue(isinstance(e, SystemExit))
# Test system package dependency handling.
if coerce_boolean(os.environ.get('PIP_ACCEL_TEST_AUTO_INSTALL')):
# Force the removal of a system package required by `lxml' without
# removing any (reverse) dependencies (we don't actually want to
# break the system, thank you very much :-). Disclaimer: you opt in
# to this with $PIP_ACCEL_TEST_AUTO_INSTALL...
os.system('sudo dpkg --remove --force-depends libxslt1-dev')
os.environ['PIP_ACCEL_AUTO_INSTALL'] = 'true'
accelerator = PipAccelerator(Config(), validate=False)
accelerator.install_from_arguments(
arguments=['--ignore-installed', 'lxml==3.2.1'],
prefix=self.virtual_environment,
python=os.path.join(self.virtual_environment, 'bin', 'python'))
