336 lines
12 KiB
Python
336 lines
12 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# Copyright 2012-2013 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Utilities with minimum-depends for use in setup.py
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"""
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import email
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import os
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import re
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import subprocess
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import sys
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from setuptools.command import sdist
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def parse_mailmap(mailmap='.mailmap'):
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mapping = {}
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if os.path.exists(mailmap):
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with open(mailmap, 'r') as fp:
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for l in fp:
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try:
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canonical_email, alias = re.match(
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r'[^#]*?(<.+>).*(<.+>).*', l).groups()
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except AttributeError:
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continue
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mapping[alias] = canonical_email
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return mapping
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def canonicalize_emails(changelog, mapping):
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"""Takes in a string and an email alias mapping and replaces all
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instances of the aliases in the string with their real email.
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"""
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for alias, email_address in mapping.iteritems():
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changelog = changelog.replace(alias, email_address)
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return changelog
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# Get requirements from the first file that exists
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def get_reqs_from_files(requirements_files):
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for requirements_file in requirements_files:
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if os.path.exists(requirements_file):
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with open(requirements_file, 'r') as fil:
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return fil.read().split('\n')
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return []
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def parse_requirements(requirements_files=['requirements.txt',
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'tools/pip-requires']):
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requirements = []
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for line in get_reqs_from_files(requirements_files):
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# For the requirements list, we need to inject only the portion
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# after egg= so that distutils knows the package it's looking for
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# such as:
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# -e git://github.com/openstack/nova/master#egg=nova
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if re.match(r'\s*-e\s+', line):
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requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$', r'\1',
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line))
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# such as:
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# http://github.com/openstack/nova/zipball/master#egg=nova
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elif re.match(r'\s*https?:', line):
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requirements.append(re.sub(r'\s*https?:.*#egg=(.*)$', r'\1',
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line))
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# -f lines are for index locations, and don't get used here
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elif re.match(r'\s*-f\s+', line):
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pass
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# argparse is part of the standard library starting with 2.7
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# adding it to the requirements list screws distro installs
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elif line == 'argparse' and sys.version_info >= (2, 7):
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pass
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else:
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requirements.append(line)
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return requirements
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def parse_dependency_links(requirements_files=['requirements.txt',
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'tools/pip-requires']):
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dependency_links = []
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# dependency_links inject alternate locations to find packages listed
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# in requirements
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for line in get_reqs_from_files(requirements_files):
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# skip comments and blank lines
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if re.match(r'(\s*#)|(\s*$)', line):
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continue
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# lines with -e or -f need the whole line, minus the flag
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if re.match(r'\s*-[ef]\s+', line):
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dependency_links.append(re.sub(r'\s*-[ef]\s+', '', line))
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# lines that are only urls can go in unmolested
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elif re.match(r'\s*https?:', line):
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dependency_links.append(line)
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return dependency_links
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def _run_shell_command(cmd, throw_on_error=False):
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if os.name == 'nt':
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output = subprocess.Popen(["cmd.exe", "/C", cmd],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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else:
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output = subprocess.Popen(["/bin/sh", "-c", cmd],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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out = output.communicate()
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if output.returncode and throw_on_error:
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raise Exception("%s returned %d" % cmd, output.returncode)
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if len(out) == 0:
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return None
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if len(out[0].strip()) == 0:
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return None
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return out[0].strip()
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def write_git_changelog():
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"""Write a changelog based on the git changelog."""
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new_changelog = 'ChangeLog'
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if not os.getenv('SKIP_WRITE_GIT_CHANGELOG'):
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if os.path.exists('.git'):
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git_log_cmd = 'git log --stat'
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changelog = _run_shell_command(git_log_cmd)
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mailmap = parse_mailmap()
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with open(new_changelog, "w") as changelog_file:
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changelog_file.write(canonicalize_emails(changelog, mailmap))
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else:
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open(new_changelog, 'w').close()
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def generate_authors():
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"""Create AUTHORS file using git commits."""
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jenkins_email = 'jenkins@review.(openstack|stackforge).org'
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old_authors = 'AUTHORS.in'
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new_authors = 'AUTHORS'
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if not os.getenv('SKIP_GENERATE_AUTHORS'):
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if os.path.exists('.git'):
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# don't include jenkins email address in AUTHORS file
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git_log_cmd = ("git log --format='%aN <%aE>' | sort -u | "
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"egrep -v '" + jenkins_email + "'")
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changelog = _run_shell_command(git_log_cmd)
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mailmap = parse_mailmap()
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with open(new_authors, 'w') as new_authors_fh:
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new_authors_fh.write(canonicalize_emails(changelog, mailmap))
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if os.path.exists(old_authors):
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with open(old_authors, "r") as old_authors_fh:
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new_authors_fh.write('\n' + old_authors_fh.read())
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else:
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open(new_authors, 'w').close()
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_rst_template = """%(heading)s
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%(underline)s
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.. automodule:: %(module)s
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:members:
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:undoc-members:
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:show-inheritance:
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"""
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def get_cmdclass():
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"""Return dict of commands to run from setup.py."""
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cmdclass = dict()
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def _find_modules(arg, dirname, files):
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for filename in files:
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if filename.endswith('.py') and filename != '__init__.py':
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arg["%s.%s" % (dirname.replace('/', '.'),
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filename[:-3])] = True
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class LocalSDist(sdist.sdist):
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"""Builds the ChangeLog and Authors files from VC first."""
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def run(self):
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write_git_changelog()
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generate_authors()
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# sdist.sdist is an old style class, can't use super()
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sdist.sdist.run(self)
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cmdclass['sdist'] = LocalSDist
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# If Sphinx is installed on the box running setup.py,
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# enable setup.py to build the documentation, otherwise,
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# just ignore it
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try:
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from sphinx.setup_command import BuildDoc
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class LocalBuildDoc(BuildDoc):
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builders = ['html', 'man']
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def generate_autoindex(self):
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print "**Autodocumenting from %s" % os.path.abspath(os.curdir)
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modules = {}
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option_dict = self.distribution.get_option_dict('build_sphinx')
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source_dir = os.path.join(option_dict['source_dir'][1], 'api')
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if not os.path.exists(source_dir):
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os.makedirs(source_dir)
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for pkg in self.distribution.packages:
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if '.' not in pkg:
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os.path.walk(pkg, _find_modules, modules)
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module_list = modules.keys()
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module_list.sort()
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autoindex_filename = os.path.join(source_dir, 'autoindex.rst')
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with open(autoindex_filename, 'w') as autoindex:
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autoindex.write(""".. toctree::
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:maxdepth: 1
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""")
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for module in module_list:
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output_filename = os.path.join(source_dir,
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"%s.rst" % module)
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heading = "The :mod:`%s` Module" % module
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underline = "=" * len(heading)
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values = dict(module=module, heading=heading,
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underline=underline)
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print "Generating %s" % output_filename
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with open(output_filename, 'w') as output_file:
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output_file.write(_rst_template % values)
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autoindex.write(" %s.rst\n" % module)
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def run(self):
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if not os.getenv('SPHINX_DEBUG'):
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self.generate_autoindex()
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for builder in self.builders:
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self.builder = builder
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self.finalize_options()
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self.project = self.distribution.get_name()
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self.version = self.distribution.get_version()
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self.release = self.distribution.get_version()
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BuildDoc.run(self)
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class LocalBuildLatex(LocalBuildDoc):
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builders = ['latex']
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cmdclass['build_sphinx'] = LocalBuildDoc
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cmdclass['build_sphinx_latex'] = LocalBuildLatex
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except ImportError:
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pass
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return cmdclass
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def _get_revno():
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"""Return the number of commits since the most recent tag.
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We use git-describe to find this out, but if there are no
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tags then we fall back to counting commits since the beginning
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of time.
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"""
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describe = _run_shell_command("git describe --always")
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if "-" in describe:
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return describe.rsplit("-", 2)[-2]
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# no tags found
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revlist = _run_shell_command("git rev-list --abbrev-commit HEAD")
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return len(revlist.splitlines())
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def _get_version_from_git(pre_version):
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"""Return a version which is equal to the tag that's on the current
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revision if there is one, or tag plus number of additional revisions
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if the current revision has no tag."""
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if os.path.exists('.git'):
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if pre_version:
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try:
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return _run_shell_command(
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"git describe --exact-match",
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throw_on_error=True).replace('-', '.')
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except Exception:
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sha = _run_shell_command("git log -n1 --pretty=format:%h")
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return "%s.a%s.g%s" % (pre_version, _get_revno(), sha)
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else:
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return _run_shell_command(
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"git describe --always").replace('-', '.')
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return None
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def _get_version_from_pkg_info(package_name):
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"""Get the version from PKG-INFO file if we can."""
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try:
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pkg_info_file = open('PKG-INFO', 'r')
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except (IOError, OSError):
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return None
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try:
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pkg_info = email.message_from_file(pkg_info_file)
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except email.MessageError:
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return None
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# Check to make sure we're in our own dir
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if pkg_info.get('Name', None) != package_name:
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return None
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return pkg_info.get('Version', None)
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def get_version(package_name, pre_version=None):
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"""Get the version of the project. First, try getting it from PKG-INFO, if
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it exists. If it does, that means we're in a distribution tarball or that
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install has happened. Otherwise, if there is no PKG-INFO file, pull the
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version from git.
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We do not support setup.py version sanity in git archive tarballs, nor do
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we support packagers directly sucking our git repo into theirs. We expect
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that a source tarball be made from our git repo - or that if someone wants
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to make a source tarball from a fork of our repo with additional tags in it
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that they understand and desire the results of doing that.
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"""
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version = os.environ.get("OSLO_PACKAGE_VERSION", None)
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if version:
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return version
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version = _get_version_from_pkg_info(package_name)
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if version:
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return version
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version = _get_version_from_git(pre_version)
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if version:
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return version
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raise Exception("Versioning for this project requires either an sdist"
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" tarball, or access to an upstream git repository.")
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