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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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Roy Tam
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273
testing/mozbase/setup_development.py
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273
testing/mozbase/setup_development.py
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#!/usr/bin/env python
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this file,
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# You can obtain one at http://mozilla.org/MPL/2.0/.
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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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import os
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import subprocess
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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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mozbase_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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# testing: https://wiki.mozilla.org/Auto-tools/Projects/Mozbase#Tests
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test_packages = ["mock"]
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# documentation: https://wiki.mozilla.org/Auto-tools/Projects/Mozbase#Documentation
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extra_packages = ["sphinx"]
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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 info(directory):
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"get the package setup.py information"
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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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try:
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call([sys.executable, 'setup.py', 'egg_info'],
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cwd=directory, stdout=PIPE)
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except subprocess.CalledProcessError:
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print "Error running setup.py in %s" % directory
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raise
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# get the .egg-info directory
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egg_info = [entry for entry in os.listdir(directory)
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if entry.endswith('.egg-info')]
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assert len(egg_info) == 1, 'Expected one .egg-info directory in %s, got: %s' % (directory,
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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 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 info_dict
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def get_dependencies(directory):
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"returns the package name and dependencies given a package directory"
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# get the package metadata
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info_dict = info(directory)
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# get the .egg-info directory
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egg_info = [entry for entry in os.listdir(directory)
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if entry.endswith('.egg-info')][0]
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# read the dependencies
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requires = os.path.join(directory, egg_info, 'requires.txt')
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dependencies = []
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if os.path.exists(requires):
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for line in file(requires):
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line = line.strip()
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# in requires.txt file, a dependency is a non empty line
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# Also lines like [device] are sections to mark optional
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# dependencies, we don't want those sections.
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if line and not (line.startswith('[') and line.endswith(']')):
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dependencies.append(line)
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# return the information
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return info_dict['Name'], dependencies
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def dependency_info(dep):
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"return dictionary of dependency information from a dependency string"
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retval = dict(Name=None, Type=None, Version=None)
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for joiner in ('==', '<=', '>='):
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if joiner in dep:
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retval['Type'] = joiner
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name, version = [i.strip() for i in dep.split(joiner, 1)]
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retval['Name'] = name
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retval['Version'] = version
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break
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else:
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retval['Name'] = dep.strip()
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return retval
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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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parser.add_option('--extra', '--install-extra-packages', action='store_true', default=False,
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help="installs extra supporting packages as well as core mozbase ones")
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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(mozbase_packages)
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# ensure specified packages are in the list
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assert set(packages).issubset(mozbase_packages), \
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"Packages should be in %s (You gave: %s)" % (mozbase_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' % get_dependencies(os.path.join(here, package))
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parser.exit()
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# gather dependencies
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# TODO: version conflict checking
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deps = {}
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alldeps = {}
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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 = get_dependencies(os.path.join(here, package))
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deps[key] = [dependency_info(dep)['Name'] for dep in value]
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mapping[package] = key
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# keep track of all dependencies for non-mozbase packages
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for dep in value:
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alldeps[dependency_info(dep)['Name']] = ''.join(dep.split())
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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 mozbase_packages and dep not in deps:
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key, value = get_dependencies(os.path.join(here, dep))
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deps[key] = [dep for dep in value]
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for dep in value:
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alldeps[dep] = ''.join(dep.split())
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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 mozbase_packages:
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if package in mapping:
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continue
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key, value = get_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', '--no-deps'],
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cwd=os.path.join(here, reverse_mapping[package]))
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# add the directory of sys.executable to path to aid the correct
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# `easy_install` getting called
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# https://bugzilla.mozilla.org/show_bug.cgi?id=893878
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os.environ['PATH'] = '%s%s%s' % (os.path.dirname(os.path.abspath(sys.executable)),
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os.path.pathsep,
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os.environ.get('PATH', '').strip(os.path.pathsep))
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# install non-mozbase dependencies
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# these need to be installed separately and the --no-deps flag
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# subsequently used due to a bug in setuptools; see
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# https://bugzilla.mozilla.org/show_bug.cgi?id=759836
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pypi_deps = dict([(i, j) for i, j in alldeps.items()
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if i not in unrolled])
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for package, version in pypi_deps.items():
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# easy_install should be available since we rely on setuptools
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call(['easy_install', version])
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# install packages required for unit testing
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for package in test_packages:
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call(['easy_install', package])
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# install extra non-mozbase packages if desired
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if options.extra:
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for package in extra_packages:
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call(['easy_install', package])
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if __name__ == '__main__':
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main()
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