def test_conversion_of_package_with_dependencies(self):
"""
Convert a non trivial Python package with several dependencies.
Converts deb-pkg-tools_ to a Debian package archive and sanity checks the
result. Performs static checks on the metadata (dependencies) of the
resulting package archive.
.. _deb-pkg-tools: https://pypi.python.org/pypi/deb-pkg-tools
"""
# Use a temporary directory as py2deb's repository directory so that we
# can easily find the *.deb archive generated by py2deb.
with TemporaryDirectory() as directory:
# Run the conversion command.
py2deb('--repository=%s' % directory, 'deb-pkg-tools==1.22')
# Find the generated Debian package archives.
archives = glob.glob('%s/*.deb' % directory)
logger.debug("Found generated archive(s): %s", archives)
# Make sure the expected dependencies have been converted.
converted_dependencies = set(
parse_filename(a).name for a in archives)
expected_dependencies = set([
'python-cached-property',
'python-chardet',
'python-coloredlogs',
'python-deb-pkg-tools',
'python-debian',
'python-executor',
'python-humanfriendly',
'python-six',
])
assert expected_dependencies.issubset(converted_dependencies)
# Use deb-pkg-tools to inspect ... deb-pkg-tools :-)
pathname = find_package_archive(archives, 'python-deb-pkg-tools')
metadata, contents = inspect_package(pathname)
logger.debug("Metadata of generated package: %s", dict(metadata))
logger.debug("Contents of generated package: %s", dict(contents))
# Make sure the dependencies defined in `stdeb.cfg' have been preserved.
for configured_dependency in [
'apt', 'apt-utils', 'dpkg-dev', 'fakeroot', 'gnupg',
'lintian'
]:
logger.debug("Checking configured dependency %s ..",
configured_dependency)
assert metadata['Depends'].matches(
configured_dependency) is not None
# Make sure the dependencies defined in `setup.py' have been preserved.
expected_dependencies = [
'python-chardet', 'python-coloredlogs', 'python-debian',
'python-executor', 'python-humanfriendly'
]
for python_dependency in expected_dependencies:
logger.debug("Checking Python dependency %s ..",
python_dependency)
assert metadata['Depends'].matches(
python_dependency) is not None
def test_filename_parsing(self):
# Test the happy path.
filename = '/var/cache/apt/archives/python2.7_2.7.3-0ubuntu3.4_amd64.deb'
components = parse_filename(filename)
self.assertEqual(components.filename, filename)
self.assertEqual(components.name, 'python2.7')
self.assertEqual(components.version, '2.7.3-0ubuntu3.4')
self.assertEqual(components.architecture, 'amd64')
# Test the unhappy paths.
self.assertRaises(ValueError, parse_filename, 'python2.7_2.7.3-0ubuntu3.4_amd64.not-a-deb')
self.assertRaises(ValueError, parse_filename, 'python2.7.deb')
def check_converted_pip_accel_packages(self, directory):
"""
Check a group of packages converted with a custom name and installation prefix.
Check the results of :func:`test_conversion_of_isolated_packages()` and
:func:`test_conversion_with_configuration_file()`.
"""
# Find the generated Debian package archives.
archives = glob.glob('%s/*.deb' % directory)
logger.debug("Found generated archive(s): %s", archives)
# Make sure the expected dependencies have been converted.
converted_dependencies = set(parse_filename(a).name for a in archives)
expected_dependencies = set([
'pip-accel',
'pip-accel-coloredlogs-renamed',
'pip-accel-humanfriendly',
'pip-accel-pip',
])
assert expected_dependencies.issubset(converted_dependencies)
# Use deb-pkg-tools to inspect pip-accel.
pathname = find_package_archive(archives, 'pip-accel')
metadata, contents = inspect_package(pathname)
logger.debug("Metadata of generated package: %s", dict(metadata))
logger.debug("Contents of generated package: %s", dict(contents))
# Make sure the dependencies defined in `setup.py' have been
# preserved while their names have been converted.
assert metadata['Depends'].matches('pip-accel-coloredlogs-renamed',
'0.4.6')
assert metadata['Depends'].matches('pip-accel-humanfriendly', '1.6')
assert metadata['Depends'].matches('pip-accel-pip', '1.4')
assert not metadata['Depends'].matches('pip-accel-pip', '1.3')
assert not metadata['Depends'].matches('pip-accel-pip', '1.5')
# Make sure the executable script has been installed and is marked as executable.
pip_accel_executable = find_file(contents,
'/usr/lib/pip-accel/bin/pip-accel')
assert pip_accel_executable.permissions == '-rwxr-xr-x'
# Verify the existence of some expected files (picked more or less at random).
assert find_file(contents,
'/usr/lib/pip-accel/lib/pip_accel/__init__.py')
assert find_file(contents,
'/usr/lib/pip-accel/lib/pip_accel/deps/debian.ini')
assert find_file(
contents,
'/usr/lib/pip-accel/lib/pip_accel-0.12.6*.egg-info/PKG-INFO')
# Verify that all files are installed in the custom installation
# prefix. We have to ignore directories, otherwise we would start
# complaining about the parent directories /, /usr, /usr/lib, etc.
paths_to_ignore = ['/usr/share/lintian/overrides/pip-accel']
for filename, properties in contents.items():
if filename not in paths_to_ignore:
is_directory = properties.permissions.startswith('d')
in_isolated_directory = filename.startswith(
'/usr/lib/pip-accel/')
assert is_directory or in_isolated_directory
def test_filename_parsing(self):
# Test the happy path.
filename = '/var/cache/apt/archives/python2.7_2.7.3-0ubuntu3.4_amd64.deb'
components = parse_filename(filename)
self.assertEqual(components.filename, filename)
self.assertEqual(components.name, 'python2.7')
self.assertEqual(components.version, '2.7.3-0ubuntu3.4')
self.assertEqual(components.architecture, 'amd64')
# Test the unhappy paths.
self.assertRaises(ValueError, parse_filename,
'python2.7_2.7.3-0ubuntu3.4_amd64.not-a-deb')
self.assertRaises(ValueError, parse_filename, 'python2.7.deb')
def test_filename_parsing(self):
"""Test filename parsing."""
# Test the happy path.
filename = '/var/cache/apt/archives/python2.7_2.7.3-0ubuntu3.4_amd64.deb'
components = parse_filename(filename)
assert components.filename == filename
assert components.name == 'python2.7'
assert components.version == '2.7.3-0ubuntu3.4'
assert components.architecture == 'amd64'
# Test the unhappy paths.
self.assertRaises(ValueError, parse_filename, 'python2.7_2.7.3-0ubuntu3.4_amd64.not-a-deb')
self.assertRaises(ValueError, parse_filename, 'python2.7.deb')
def test_filename_parsing(self):
"""Test filename parsing."""
# Test the happy path.
filename = '/var/cache/apt/archives/python2.7_2.7.3-0ubuntu3.4_amd64.deb'
components = parse_filename(filename)
assert components.filename == filename
assert components.name == 'python2.7'
assert components.version == '2.7.3-0ubuntu3.4'
assert components.architecture == 'amd64'
# Test the unhappy paths.
self.assertRaises(ValueError, parse_filename, 'python2.7_2.7.3-0ubuntu3.4_amd64.not-a-deb')
self.assertRaises(ValueError, parse_filename, 'python2.7.deb')
def test_conversion_of_package_with_dependencies(self):
"""
Convert a non trivial Python package with several dependencies.
Converts deb-pkg-tools_ to a Debian package archive and sanity checks the
result. Performs static checks on the metadata (dependencies) of the
resulting package archive.
.. _deb-pkg-tools: https://pypi.python.org/pypi/deb-pkg-tools
"""
# Use a temporary directory as py2deb's repository directory so that we
# can easily find the *.deb archive generated by py2deb.
with TemporaryDirectory() as directory:
# Run the conversion command.
py2deb('--repository=%s' % directory, 'deb-pkg-tools==1.22')
# Find the generated Debian package archives.
archives = glob.glob('%s/*.deb' % directory)
logger.debug("Found generated archive(s): %s", archives)
# Make sure the expected dependencies have been converted.
converted_dependencies = set(parse_filename(a).name for a in archives)
expected_dependencies = set([
'python-cached-property',
'python-chardet',
'python-coloredlogs',
'python-deb-pkg-tools',
'python-debian',
'python-executor',
'python-humanfriendly',
'python-six',
])
assert expected_dependencies.issubset(converted_dependencies)
# Use deb-pkg-tools to inspect ... deb-pkg-tools :-)
pathname = find_package_archive(archives, 'python-deb-pkg-tools')
metadata, contents = inspect_package(pathname)
logger.debug("Metadata of generated package: %s", dict(metadata))
logger.debug("Contents of generated package: %s", dict(contents))
# Make sure the dependencies defined in `stdeb.cfg' have been preserved.
for configured_dependency in ['apt', 'apt-utils', 'dpkg-dev', 'fakeroot', 'gnupg', 'lintian']:
logger.debug("Checking configured dependency %s ..", configured_dependency)
assert metadata['Depends'].matches(configured_dependency) is not None
# Make sure the dependencies defined in `setup.py' have been preserved.
expected_dependencies = [
'python-chardet', 'python-coloredlogs', 'python-debian',
'python-executor', 'python-humanfriendly'
]
for python_dependency in expected_dependencies:
logger.debug("Checking Python dependency %s ..", python_dependency)
assert metadata['Depends'].matches(python_dependency) is not None
def collect_packages(archives, directory, prompt=True, cache=None):
# Find all related packages.
related_archives = set()
for filename in archives:
related_archives.add(parse_filename(filename))
related_archives.update(collect_related_packages(filename,
cache=cache))
# Ignore package archives that are already in the target directory.
relevant_archives = set()
for archive in related_archives:
basename = os.path.basename(archive.filename)
if not os.path.isfile(os.path.join(directory, basename)):
relevant_archives.add(archive)
# Interactively move the package archives.
if relevant_archives:
relevant_archives = sorted(relevant_archives)
pluralized = pluralize(len(relevant_archives), "package archive",
"package archives")
print("Found %s:" % pluralized)
for file_to_collect in relevant_archives:
print(" - %s" % format_path(file_to_collect.filename))
try:
if prompt:
# Ask permission to copy the file(s).
prompt = "Copy %s to %s? [Y/n] " % (pluralized,
format_path(directory))
assert raw_input(prompt).lower() in ('', 'y', 'yes')
# Copy the file(s).
for file_to_collect in relevant_archives:
copy_from = file_to_collect.filename
copy_to = os.path.join(directory, os.path.basename(copy_from))
logger.debug("Copying %s -> %s ..", format_path(copy_from),
format_path(copy_to))
shutil.copy(copy_from, copy_to)
logger.info("Done! Copied %s to %s.", pluralized,
format_path(directory))
except (AssertionError, KeyboardInterrupt, EOFError) as e:
if isinstance(e, KeyboardInterrupt):
# Control-C interrupts the prompt without emitting a newline. We'll
# print one manually so the console output doesn't look funny.
sys.stderr.write('\n')
logger.warning("Not copying archive(s) to %s! (aborted by user)",
format_path(directory))
if isinstance(e, KeyboardInterrupt):
# Maybe we shouldn't actually swallow Control-C, it can make
# for a very unfriendly user experience... :-)
raise
def check_converted_pip_accel_packages(self, directory):
"""
Check a group of packages converted with a custom name and installation prefix.
Check the results of :py:func:`test_conversion_of_isolated_packages()` and
:py:func:`test_conversion_with_configuration_file()`.
"""
# Find the generated Debian package archives.
archives = glob.glob('%s/*.deb' % directory)
logger.debug("Found generated archive(s): %s", archives)
# Make sure the expected dependencies have been converted.
converted_dependencies = set(parse_filename(a).name for a in archives)
expected_dependencies = set([
'pip-accel',
'pip-accel-coloredlogs-renamed',
'pip-accel-humanfriendly',
'pip-accel-pip',
])
assert expected_dependencies.issubset(converted_dependencies)
# Use deb-pkg-tools to inspect pip-accel.
pathname = find_package_archive(archives, 'pip-accel')
metadata, contents = inspect_package(pathname)
logger.debug("Metadata of generated package: %s", dict(metadata))
logger.debug("Contents of generated package: %s", dict(contents))
# Make sure the dependencies defined in `setup.py' have been
# preserved while their names have been converted.
assert metadata['Depends'].matches('pip-accel-coloredlogs-renamed', '0.4.6')
assert metadata['Depends'].matches('pip-accel-humanfriendly', '1.6')
assert metadata['Depends'].matches('pip-accel-pip', '1.4')
assert not metadata['Depends'].matches('pip-accel-pip', '1.3')
assert not metadata['Depends'].matches('pip-accel-pip', '1.5')
# Make sure the executable script has been installed and is marked as executable.
pip_accel_executable = find_file(contents, '/usr/lib/pip-accel/bin/pip-accel')
assert pip_accel_executable.permissions == '-rwxr-xr-x'
# Verify the existence of some expected files (picked more or less at random).
assert find_file(contents, '/usr/lib/pip-accel/lib/pip_accel/__init__.py')
assert find_file(contents, '/usr/lib/pip-accel/lib/pip_accel/deps/debian.ini')
assert find_file(contents, '/usr/lib/pip-accel/lib/pip_accel-0.12.6*.egg-info/PKG-INFO')
# Verify that all files are installed in the custom installation
# prefix. We have to ignore directories, otherwise we would start
# complaining about the parent directories /, /usr, /usr/lib, etc.
paths_to_ignore = ['/usr/share/lintian/overrides/pip-accel']
for filename, properties in contents.items():
if filename not in paths_to_ignore:
is_directory = properties.permissions.startswith('d')
in_isolated_directory = filename.startswith('/usr/lib/pip-accel/')
assert is_directory or in_isolated_directory
def find_package_archive(available_archives, package_name):
"""
Find the ``*.deb`` archive of a specific package.
:param available_packages: The pathnames of the available package archives
(a list of strings).
:param package_name: The name of the package whose archive file we're
interested in (a string).
:returns: The pathname of the package archive (a string).
:raises: :exc:`exceptions.AssertionError` if zero or more than one
package archive is found.
"""
matches = []
for pathname in available_archives:
if parse_filename(pathname).name == package_name:
matches.append(pathname)
assert len(matches) == 1, "Expected to match exactly one package archive!"
return matches[0]
def find_package_archive(available_archives, package_name):
"""
Find the ``*.deb`` archive of a specific package.
:param available_packages: The pathnames of the available package archives
(a list of strings).
:param package_name: The name of the package whose archive file we're
interested in (a string).
:returns: The pathname of the package archive (a string).
:raises: :py:exc:`exceptions.AssertionError` if zero or more than one
package archive is found.
"""
matches = []
for pathname in available_archives:
if parse_filename(pathname).name == package_name:
matches.append(pathname)
assert len(matches) == 1, "Expected to match exactly one package archive!"
return matches[0]
def collect_packages(archives, directory, prompt=True, cache=None):
# Find all related packages.
related_archives = set()
for filename in archives:
related_archives.add(parse_filename(filename))
related_archives.update(collect_related_packages(filename, cache=cache))
# Ignore package archives that are already in the target directory.
relevant_archives = set()
for archive in related_archives:
basename = os.path.basename(archive.filename)
if not os.path.isfile(os.path.join(directory, basename)):
relevant_archives.add(archive)
# Interactively move the package archives.
if relevant_archives:
relevant_archives = sorted(relevant_archives)
pluralized = pluralize(len(relevant_archives), "package archive", "package archives")
print("Found %s:" % pluralized)
for file_to_collect in relevant_archives:
print(" - %s" % format_path(file_to_collect.filename))
try:
if prompt:
# Ask permission to copy the file(s).
prompt = "Copy %s to %s? [Y/n] " % (pluralized, format_path(directory))
assert raw_input(prompt).lower() in ('', 'y', 'yes')
# Copy the file(s).
for file_to_collect in relevant_archives:
copy_from = file_to_collect.filename
copy_to = os.path.join(directory, os.path.basename(copy_from))
logger.debug("Copying %s -> %s ..", format_path(copy_from), format_path(copy_to))
shutil.copy(copy_from, copy_to)
logger.info("Done! Copied %s to %s.", pluralized, format_path(directory))
except (AssertionError, KeyboardInterrupt, EOFError) as e:
if isinstance(e, KeyboardInterrupt):
# Control-C interrupts the prompt without emitting a newline. We'll
# print one manually so the console output doesn't look funny.
sys.stderr.write('\n')
logger.warning("Not copying archive(s) to %s! (aborted by user)", format_path(directory))
if isinstance(e, KeyboardInterrupt):
# Maybe we shouldn't actually swallow Control-C, it can make
# for a very unfriendly user experience... :-)
raise
