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cpython/Lib/packaging/tests/test_config.py

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"""Tests for packaging.config."""
import os
import sys
from io import StringIO
from packaging import command
from packaging.dist import Distribution
from packaging.errors import PackagingFileError, PackagingOptionError
from packaging.compiler import new_compiler, _COMPILERS
from packaging.command.sdist import sdist
from packaging.tests import unittest, support
from packaging.tests.support import requires_zlib
SETUP_CFG = """
[metadata]
name = RestingParrot
version = 0.6.4
author = Carl Meyer
author_email = carl@oddbird.net
maintainer = Éric Araujo
maintainer_email = merwok@netwok.org
summary = A sample project demonstrating packaging
description-file = %(description-file)s
keywords = packaging, sample project
classifier =
Development Status :: 4 - Beta
Environment :: Console (Text Based)
Environment :: X11 Applications :: GTK; python_version < '3'
License :: OSI Approved :: MIT License
Programming Language :: Python
Programming Language :: Python :: 2
Programming Language :: Python :: 3
requires_python = >=2.4, <3.2
requires_dist =
PetShoppe
MichaelPalin (> 1.1)
pywin32; sys.platform == 'win32'
pysqlite2; python_version < '2.5'
inotify (0.0.1); sys.platform == 'linux2'
requires_external = libxml2
provides_dist = packaging-sample-project (0.2)
unittest2-sample-project
project_url =
Main repository, http://bitbucket.org/carljm/sample-distutils2-project
Fork in progress, http://bitbucket.org/Merwok/sample-distutils2-project
[files]
packages_root = src
packages = one
two
three
modules = haven
scripts =
script1.py
scripts/find-coconuts
bin/taunt
package_data =
cheese = data/templates/*
extra_files = %(extra-files)s
# Replaces MANIFEST.in
sdist_extra =
include THANKS HACKING
recursive-include examples *.txt *.py
prune examples/sample?/build
resources=
bm/ {b1,b2}.gif = {icon}
Cf*/ *.CFG = {config}/baBar/
init_script = {script}/JunGle/
[global]
commands =
packaging.tests.test_config.FooBarBazTest
compilers =
packaging.tests.test_config.DCompiler
setup_hooks = %(setup-hooks)s
[install_dist]
sub_commands = foo
"""
# Can not be merged with SETUP_CFG else install_dist
# command will fail when trying to compile C sources
# TODO use a DummyCommand to mock build_ext
EXT_SETUP_CFG = """
[files]
packages = one
two
parent.undeclared
[extension:one.speed_coconuts]
sources = c_src/speed_coconuts.c
extra_link_args = "`gcc -print-file-name=libgcc.a`" -shared
define_macros = HAVE_CAIRO HAVE_GTK2
libraries = gecodeint gecodekernel -- sys.platform != 'win32'
GecodeInt GecodeKernel -- sys.platform == 'win32'
[extension: two.fast_taunt]
sources = cxx_src/utils_taunt.cxx
cxx_src/python_module.cxx
include_dirs = /usr/include/gecode
/usr/include/blitz
extra_compile_args = -fPIC -O2
-DGECODE_VERSION=$(./gecode_version) -- sys.platform != 'win32'
/DGECODE_VERSION='win32' -- sys.platform == 'win32'
language = cxx
# corner case: if the parent package of an extension is declared but
# not its grandparent, it's legal
[extension: parent.undeclared._speed]
sources = parent/undeclared/_speed.c
"""
EXT_SETUP_CFG_BUGGY_1 = """
[extension: realname]
name = crash_here
"""
EXT_SETUP_CFG_BUGGY_2 = """
[files]
packages = ham
[extension: spam.eggs]
"""
EXT_SETUP_CFG_BUGGY_3 = """
[files]
packages = ok
ok.works
[extension: ok.works.breaks._ext]
"""
HOOKS_MODULE = """
import logging
logger = logging.getLogger('packaging')
def logging_hook(config):
logger.warning('logging_hook called')
"""
class DCompiler:
name = 'd'
description = 'D Compiler'
def __init__(self, *args):
pass
def version_hook(config):
config['metadata']['version'] += '.dev1'
def first_hook(config):
config['files']['modules'] += '\n first'
def third_hook(config):
config['files']['modules'] += '\n third'
class FooBarBazTest:
def __init__(self, dist):
self.distribution = dist
@classmethod
def get_command_name(cls):
return 'foo'
def run(self):
self.distribution.foo_was_here = True
def nothing(self):
pass
def get_source_files(self):
return []
ensure_finalized = finalize_options = initialize_options = nothing
class ConfigTestCase(support.TempdirManager,
support.EnvironRestorer,
support.LoggingCatcher,
unittest.TestCase):
restore_environ = ['PLAT']
def setUp(self):
super(ConfigTestCase, self).setUp()
self.addCleanup(setattr, sys, 'stdout', sys.stdout)
self.addCleanup(setattr, sys, 'stderr', sys.stderr)
sys.stdout = StringIO()
sys.stderr = StringIO()
self.addCleanup(os.chdir, os.getcwd())
tempdir = self.mkdtemp()
self.working_dir = os.getcwd()
os.chdir(tempdir)
self.tempdir = tempdir
def tearDown(self):
os.chdir(self.working_dir)
super(ConfigTestCase, self).tearDown()
def write_setup(self, kwargs=None):
opts = {'description-file': 'README', 'extra-files': '',
'setup-hooks': 'packaging.tests.test_config.version_hook'}
if kwargs:
opts.update(kwargs)
self.write_file('setup.cfg', SETUP_CFG % opts, encoding='utf-8')
def get_dist(self):
dist = Distribution()
dist.parse_config_files()
return dist
def test_config(self):
self.write_setup()
self.write_file('README', 'yeah')
os.mkdir('bm')
self.write_file(('bm', 'b1.gif'), '')
self.write_file(('bm', 'b2.gif'), '')
os.mkdir('Cfg')
self.write_file(('Cfg', 'data.CFG'), '')
self.write_file('init_script', '')
# try to load the metadata now
dist = self.get_dist()
# check what was done
self.assertEqual(dist.metadata['Author'], 'Carl Meyer')
self.assertEqual(dist.metadata['Author-Email'], 'carl@oddbird.net')
# the hook adds .dev1
self.assertEqual(dist.metadata['Version'], '0.6.4.dev1')
wanted = [
'Development Status :: 4 - Beta',
'Environment :: Console (Text Based)',
"Environment :: X11 Applications :: GTK; python_version < '3'",
'License :: OSI Approved :: MIT License',
'Programming Language :: Python',
'Programming Language :: Python :: 2',
'Programming Language :: Python :: 3']
self.assertEqual(dist.metadata['Classifier'], wanted)
wanted = ['packaging', 'sample project']
self.assertEqual(dist.metadata['Keywords'], wanted)
self.assertEqual(dist.metadata['Requires-Python'], '>=2.4, <3.2')
wanted = ['PetShoppe',
'MichaelPalin (> 1.1)',
"pywin32; sys.platform == 'win32'",
"pysqlite2; python_version < '2.5'",
"inotify (0.0.1); sys.platform == 'linux2'"]
self.assertEqual(dist.metadata['Requires-Dist'], wanted)
urls = [('Main repository',
'http://bitbucket.org/carljm/sample-distutils2-project'),
('Fork in progress',
'http://bitbucket.org/Merwok/sample-distutils2-project')]
self.assertEqual(dist.metadata['Project-Url'], urls)
self.assertEqual(dist.packages, ['one', 'two', 'three'])
self.assertEqual(dist.py_modules, ['haven'])
self.assertEqual(dist.package_data, {'cheese': 'data/templates/*'})
self.assertEqual(
{'bm/b1.gif': '{icon}/b1.gif',
'bm/b2.gif': '{icon}/b2.gif',
'Cfg/data.CFG': '{config}/baBar/data.CFG',
'init_script': '{script}/JunGle/init_script'},
dist.data_files)
self.assertEqual(dist.package_dir, 'src')
# Make sure we get the foo command loaded. We use a string comparison
# instead of assertIsInstance because the class is not the same when
# this test is run directly: foo is packaging.tests.test_config.Foo
# because get_command_class uses the full name, but a bare "Foo" in
# this file would be __main__.Foo when run as "python test_config.py".
# The name FooBarBazTest should be unique enough to prevent
# collisions.
self.assertEqual('FooBarBazTest',
dist.get_command_obj('foo').__class__.__name__)
# did the README got loaded ?
self.assertEqual(dist.metadata['description'], 'yeah')
# do we have the D Compiler enabled ?
self.assertIn('d', _COMPILERS)
d = new_compiler(compiler='d')
self.assertEqual(d.description, 'D Compiler')
def test_multiple_description_file(self):
self.write_setup({'description-file': 'README CHANGES'})
self.write_file('README', 'yeah')
self.write_file('CHANGES', 'changelog2')
dist = self.get_dist()
self.assertEqual(dist.metadata.requires_files, ['README', 'CHANGES'])
def test_multiline_description_file(self):
self.write_setup({'description-file': 'README\n CHANGES'})
self.write_file('README', 'yeah')
self.write_file('CHANGES', 'changelog')
dist = self.get_dist()
self.assertEqual(dist.metadata['description'], 'yeah\nchangelog')
self.assertEqual(dist.metadata.requires_files, ['README', 'CHANGES'])
def test_parse_extensions_in_config(self):
self.write_file('setup.cfg', EXT_SETUP_CFG)
dist = self.get_dist()
ext_modules = dict((mod.name, mod) for mod in dist.ext_modules)
self.assertEqual(len(ext_modules), 3)
ext = ext_modules.get('one.speed_coconuts')
self.assertEqual(ext.sources, ['c_src/speed_coconuts.c'])
self.assertEqual(ext.define_macros, ['HAVE_CAIRO', 'HAVE_GTK2'])
libs = ['gecodeint', 'gecodekernel']
if sys.platform == 'win32':
libs = ['GecodeInt', 'GecodeKernel']
self.assertEqual(ext.libraries, libs)
self.assertEqual(ext.extra_link_args,
['`gcc -print-file-name=libgcc.a`', '-shared'])
ext = ext_modules.get('two.fast_taunt')
self.assertEqual(ext.sources,
['cxx_src/utils_taunt.cxx', 'cxx_src/python_module.cxx'])
self.assertEqual(ext.include_dirs,
['/usr/include/gecode', '/usr/include/blitz'])
cargs = ['-fPIC', '-O2']
if sys.platform == 'win32':
cargs.append("/DGECODE_VERSION=win32")
else:
cargs.append('-DGECODE_VERSION=$(./gecode_version)')
self.assertEqual(ext.extra_compile_args, cargs)
self.assertEqual(ext.language, 'cxx')
self.write_file('setup.cfg', EXT_SETUP_CFG_BUGGY_1)
self.assertRaises(PackagingOptionError, self.get_dist)
self.write_file('setup.cfg', EXT_SETUP_CFG_BUGGY_2)
self.assertRaises(PackagingOptionError, self.get_dist)
self.write_file('setup.cfg', EXT_SETUP_CFG_BUGGY_3)
self.assertRaises(PackagingOptionError, self.get_dist)
def test_project_setup_hook_works(self):
# Bug #11637: ensure the project directory is on sys.path to allow
# project-specific hooks
self.write_setup({'setup-hooks': 'hooks.logging_hook'})
self.write_file('README', 'yeah')
self.write_file('hooks.py', HOOKS_MODULE)
self.get_dist()
self.assertEqual(['logging_hook called'], self.get_logs())
self.assertIn('hooks', sys.modules)
def test_missing_setup_hook_warns(self):
self.write_setup({'setup-hooks': 'this.does._not.exist'})
self.write_file('README', 'yeah')
self.get_dist()
logs = self.get_logs()
self.assertEqual(1, len(logs))
self.assertIn('cannot find setup hook', logs[0])
def test_multiple_setup_hooks(self):
self.write_setup({
'setup-hooks': '\n packaging.tests.test_config.first_hook'
'\n packaging.tests.test_config.missing_hook'
'\n packaging.tests.test_config.third_hook',
})
self.write_file('README', 'yeah')
dist = self.get_dist()
self.assertEqual(['haven', 'first', 'third'], dist.py_modules)
logs = self.get_logs()
self.assertEqual(1, len(logs))
self.assertIn('cannot find setup hook', logs[0])
def test_metadata_requires_description_files_missing(self):
self.write_setup({'description-file': 'README README2'})
self.write_file('README', 'yeah')
self.write_file('README2', 'yeah')
os.mkdir('src')
self.write_file(('src', 'haven.py'), '#')
self.write_file('script1.py', '#')
os.mkdir('scripts')
self.write_file(('scripts', 'find-coconuts'), '#')
os.mkdir('bin')
self.write_file(('bin', 'taunt'), '#')
for pkg in ('one', 'two', 'three'):
pkg = os.path.join('src', pkg)
os.mkdir(pkg)
self.write_file((pkg, '__init__.py'), '#')
dist = self.get_dist()
cmd = sdist(dist)
cmd.finalize_options()
cmd.get_file_list()
self.assertRaises(PackagingFileError, cmd.make_distribution)
@requires_zlib
def test_metadata_requires_description_files(self):
# Create the following file structure:
# README
# README2
# script1.py
# scripts/
# find-coconuts
# bin/
# taunt
# src/
# haven.py
# one/__init__.py
# two/__init__.py
# three/__init__.py
self.write_setup({'description-file': 'README\n README2',
'extra-files': '\n README3'})
self.write_file('README', 'yeah 1')
self.write_file('README2', 'yeah 2')
self.write_file('README3', 'yeah 3')
os.mkdir('src')
self.write_file(('src', 'haven.py'), '#')
self.write_file('script1.py', '#')
os.mkdir('scripts')
self.write_file(('scripts', 'find-coconuts'), '#')
os.mkdir('bin')
self.write_file(('bin', 'taunt'), '#')
for pkg in ('one', 'two', 'three'):
pkg = os.path.join('src', pkg)
os.mkdir(pkg)
self.write_file((pkg, '__init__.py'), '#')
dist = self.get_dist()
self.assertIn('yeah 1\nyeah 2', dist.metadata['description'])
cmd = sdist(dist)
cmd.finalize_options()
cmd.get_file_list()
self.assertRaises(PackagingFileError, cmd.make_distribution)
self.write_setup({'description-file': 'README\n README2',
'extra-files': '\n README2\n README'})
dist = self.get_dist()
cmd = sdist(dist)
cmd.finalize_options()
cmd.get_file_list()
cmd.make_distribution()
with open('MANIFEST') as fp:
self.assertIn('README\nREADME2\n', fp.read())
def test_sub_commands(self):
self.write_setup()
self.write_file('README', 'yeah')
os.mkdir('src')
self.write_file(('src', 'haven.py'), '#')
self.write_file('script1.py', '#')
os.mkdir('scripts')
self.write_file(('scripts', 'find-coconuts'), '#')
os.mkdir('bin')
self.write_file(('bin', 'taunt'), '#')
for pkg in ('one', 'two', 'three'):
pkg = os.path.join('src', pkg)
os.mkdir(pkg)
self.write_file((pkg, '__init__.py'), '#')
# try to run the install command to see if foo is called
dist = self.get_dist()
self.assertIn('foo', command.get_command_names())
self.assertEqual('FooBarBazTest',
dist.get_command_obj('foo').__class__.__name__)
def test_suite():
return unittest.makeSuite(ConfigTestCase)
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')
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