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236 lines
7.9 KiB
Python
Executable File
236 lines
7.9 KiB
Python
Executable File
#!/usr/bin/env python
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is mozbase.
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#
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# The Initial Developer of the Original Code is
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# The Mozilla Foundation.
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# Portions created by the Initial Developer are Copyright (C) 2011
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Jeff Hammel <jhammel@mozilla.com>
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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"""
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Setup mozbase packages for development.
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Packages may be specified as command line arguments.
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If no arguments are given, install all packages.
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See https://wiki.mozilla.org/Auto-tools/Projects/MozBase
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"""
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# XXX note that currently directory names must equal package names
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import pkg_resources
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import os
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import sys
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from optparse import OptionParser
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from subprocess import PIPE
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try:
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from subprocess import check_call as call
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except ImportError:
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from subprocess import call
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# directory containing this file
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here = os.path.dirname(os.path.abspath(__file__))
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# all python packages
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all_packages = [i for i in os.listdir(here)
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if os.path.exists(os.path.join(here, i, 'setup.py'))]
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def cycle_check(order, dependencies):
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"""ensure no cyclic dependencies"""
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order_dict = dict([(j, i) for i, j in enumerate(order)])
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for package, deps in dependencies.items():
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index = order_dict[package]
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for d in deps:
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assert index > order_dict[d], "Cyclic dependencies detected"
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def dependencies(directory):
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"""
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get the dependencies of a package directory containing a setup.py
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returns the package name and the list of dependencies
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"""
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assert os.path.exists(os.path.join(directory, 'setup.py'))
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# setup the egg info
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call([sys.executable, 'setup.py', 'egg_info'], cwd=directory, stdout=PIPE)
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# get the .egg-info directory
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egg_info = [i for i in os.listdir(directory)
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if i.endswith('.egg-info')]
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assert len(egg_info) == 1, 'Expected one .egg-info directory in %s, got: %s' % (directory, egg_info)
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egg_info = os.path.join(directory, egg_info[0])
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assert os.path.isdir(egg_info), "%s is not a directory" % egg_info
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# read the dependencies
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requires = os.path.join(egg_info, 'requires.txt')
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if os.path.exists(requires):
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dependencies = [i.strip() for i in file(requires).readlines() if i.strip()]
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else:
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dependencies = []
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# read the package information
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pkg_info = os.path.join(egg_info, 'PKG-INFO')
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info_dict = {}
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for line in file(pkg_info).readlines():
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if not line or line[0].isspace():
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continue # XXX neglects description
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assert ':' in line
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key, value = [i.strip() for i in line.split(':', 1)]
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info_dict[key] = value
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# return the information
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return info_dict['Name'], dependencies
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def sanitize_dependency(dep):
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"""
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remove version numbers from deps
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"""
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for joiner in ('==', '<=', '>='):
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if joiner in dep:
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dep = dep.split(joiner, 1)[0].strip()
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return dep # XXX only one joiner allowed right now
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return dep
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def unroll_dependencies(dependencies):
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"""
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unroll a set of dependencies to a flat list
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dependencies = {'packageA': set(['packageB', 'packageC', 'packageF']),
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'packageB': set(['packageC', 'packageD', 'packageE', 'packageG']),
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'packageC': set(['packageE']),
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'packageE': set(['packageF', 'packageG']),
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'packageF': set(['packageG']),
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'packageX': set(['packageA', 'packageG'])}
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"""
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order = []
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# flatten all
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packages = set(dependencies.keys())
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for deps in dependencies.values():
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packages.update(deps)
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while len(order) != len(packages):
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for package in packages.difference(order):
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if set(dependencies.get(package, set())).issubset(order):
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order.append(package)
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break
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else:
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raise AssertionError("Cyclic dependencies detected")
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cycle_check(order, dependencies) # sanity check
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return order
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def main(args=sys.argv[1:]):
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# parse command line options
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usage = '%prog [options] [package] [package] [...]'
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parser = OptionParser(usage=usage, description=__doc__)
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parser.add_option('-d', '--dependencies', dest='list_dependencies',
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action='store_true', default=False,
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help="list dependencies for the packages")
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parser.add_option('--list', action='store_true', default=False,
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help="list what will be installed")
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options, packages = parser.parse_args(args)
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if not packages:
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# install all packages
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packages = sorted(all_packages)
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# ensure specified packages are in the list
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assert set(packages).issubset(all_packages), "Packages should be in %s (You gave: %s)" % (all_packages, packages)
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if options.list_dependencies:
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# list the package dependencies
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for package in packages:
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print '%s: %s' % dependencies(os.path.join(here, package))
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parser.exit()
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# gather dependencies
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deps = {}
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mapping = {} # mapping from subdir name to package name
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# core dependencies
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for package in packages:
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key, value = dependencies(os.path.join(here, package))
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deps[key] = [sanitize_dependency(dep) for dep in value]
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mapping[package] = key
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# indirect dependencies
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flag = True
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while flag:
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flag = False
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for value in deps.values():
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for dep in value:
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if dep in all_packages and dep not in deps:
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key, value = dependencies(os.path.join(here, dep))
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deps[key] = [sanitize_dependency(dep) for dep in value]
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mapping[package] = key
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flag = True
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break
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if flag:
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break
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# get the remaining names for the mapping
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for package in all_packages:
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if package in mapping:
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continue
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key, value = dependencies(os.path.join(here, package))
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mapping[package] = key
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# unroll dependencies
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unrolled = unroll_dependencies(deps)
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# make a reverse mapping: package name -> subdirectory
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reverse_mapping = dict([(j,i) for i, j in mapping.items()])
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# we only care about dependencies in mozbase
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unrolled = [package for package in unrolled if package in reverse_mapping]
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if options.list:
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# list what will be installed
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for package in unrolled:
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print package
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parser.exit()
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# set up the packages for development
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for package in unrolled:
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call([sys.executable, 'setup.py', 'develop'],
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cwd=os.path.join(here, reverse_mapping[package]))
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if __name__ == '__main__':
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main()
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