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-rwxr-xr-xtesting/mozbase/setup_development.py292
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diff --git a/testing/mozbase/setup_development.py b/testing/mozbase/setup_development.py
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+#!/usr/bin/env python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+"""
+Setup mozbase packages for development.
+
+Packages may be specified as command line arguments.
+If no arguments are given, install all packages.
+
+See https://wiki.mozilla.org/Auto-tools/Projects/Mozbase
+"""
+
+import os
+import subprocess
+import sys
+from optparse import OptionParser
+from subprocess import PIPE
+
+try:
+ from subprocess import check_call as call
+except ImportError:
+ from subprocess import call
+
+
+# directory containing this file
+here = os.path.dirname(os.path.abspath(__file__))
+
+# all python packages
+mozbase_packages = [
+ i for i in os.listdir(here) if os.path.exists(os.path.join(here, i, "setup.py"))
+]
+
+# testing: https://wiki.mozilla.org/Auto-tools/Projects/Mozbase#Tests
+test_packages = ["mock"]
+
+# documentation: https://wiki.mozilla.org/Auto-tools/Projects/Mozbase#Documentation
+extra_packages = ["sphinx"]
+
+
+def cycle_check(order, dependencies):
+ """ensure no cyclic dependencies"""
+ order_dict = dict([(j, i) for i, j in enumerate(order)])
+ for package, deps in dependencies.items():
+ index = order_dict[package]
+ for d in deps:
+ assert index > order_dict[d], "Cyclic dependencies detected"
+
+
+def info(directory):
+ "get the package setup.py information"
+
+ assert os.path.exists(os.path.join(directory, "setup.py"))
+
+ # setup the egg info
+ try:
+ call([sys.executable, "setup.py", "egg_info"], cwd=directory, stdout=PIPE)
+ except subprocess.CalledProcessError:
+ print("Error running setup.py in %s" % directory)
+ raise
+
+ # get the .egg-info directory
+ egg_info = [entry for entry in os.listdir(directory) if entry.endswith(".egg-info")]
+ assert len(egg_info) == 1, "Expected one .egg-info directory in %s, got: %s" % (
+ directory,
+ egg_info,
+ )
+ egg_info = os.path.join(directory, egg_info[0])
+ assert os.path.isdir(egg_info), "%s is not a directory" % egg_info
+
+ # read the package information
+ pkg_info = os.path.join(egg_info, "PKG-INFO")
+ info_dict = {}
+ for line in open(pkg_info).readlines():
+ if not line or line[0].isspace():
+ continue # XXX neglects description
+ assert ":" in line
+ key, value = [i.strip() for i in line.split(":", 1)]
+ info_dict[key] = value
+
+ return info_dict
+
+
+def get_dependencies(directory):
+ "returns the package name and dependencies given a package directory"
+
+ # get the package metadata
+ info_dict = info(directory)
+
+ # get the .egg-info directory
+ egg_info = [
+ entry for entry in os.listdir(directory) if entry.endswith(".egg-info")
+ ][0]
+
+ # read the dependencies
+ requires = os.path.join(directory, egg_info, "requires.txt")
+ dependencies = []
+ if os.path.exists(requires):
+ for line in open(requires):
+ line = line.strip()
+ # in requires.txt file, a dependency is a non empty line
+ # Also lines like [device] are sections to mark optional
+ # dependencies, we don't want those sections.
+ if line and not (line.startswith("[") and line.endswith("]")):
+ dependencies.append(line)
+
+ # return the information
+ return info_dict["Name"], dependencies
+
+
+def dependency_info(dep):
+ "return dictionary of dependency information from a dependency string"
+ retval = dict(Name=None, Type=None, Version=None)
+ for joiner in ("==", "<=", ">="):
+ if joiner in dep:
+ retval["Type"] = joiner
+ name, version = [i.strip() for i in dep.split(joiner, 1)]
+ retval["Name"] = name
+ retval["Version"] = version
+ break
+ else:
+ retval["Name"] = dep.strip()
+ return retval
+
+
+def unroll_dependencies(dependencies):
+ """
+ unroll a set of dependencies to a flat list
+
+ dependencies = {'packageA': set(['packageB', 'packageC', 'packageF']),
+ 'packageB': set(['packageC', 'packageD', 'packageE', 'packageG']),
+ 'packageC': set(['packageE']),
+ 'packageE': set(['packageF', 'packageG']),
+ 'packageF': set(['packageG']),
+ 'packageX': set(['packageA', 'packageG'])}
+ """
+
+ order = []
+
+ # flatten all
+ packages = set(dependencies.keys())
+ for deps in dependencies.values():
+ packages.update(deps)
+
+ while len(order) != len(packages):
+
+ for package in packages.difference(order):
+ if set(dependencies.get(package, set())).issubset(order):
+ order.append(package)
+ break
+ else:
+ raise AssertionError("Cyclic dependencies detected")
+
+ cycle_check(order, dependencies) # sanity check
+
+ return order
+
+
+def main(args=sys.argv[1:]):
+
+ # parse command line options
+ usage = "%prog [options] [package] [package] [...]"
+ parser = OptionParser(usage=usage, description=__doc__)
+ parser.add_option(
+ "-d",
+ "--dependencies",
+ dest="list_dependencies",
+ action="store_true",
+ default=False,
+ help="list dependencies for the packages",
+ )
+ parser.add_option(
+ "--list", action="store_true", default=False, help="list what will be installed"
+ )
+ parser.add_option(
+ "--extra",
+ "--install-extra-packages",
+ action="store_true",
+ default=False,
+ help="installs extra supporting packages as well as core mozbase ones",
+ )
+ options, packages = parser.parse_args(args)
+
+ if not packages:
+ # install all packages
+ packages = sorted(mozbase_packages)
+
+ # ensure specified packages are in the list
+ assert set(packages).issubset(
+ mozbase_packages
+ ), "Packages should be in %s (You gave: %s)" % (mozbase_packages, packages)
+
+ if options.list_dependencies:
+ # list the package dependencies
+ for package in packages:
+ print("%s: %s" % get_dependencies(os.path.join(here, package)))
+ parser.exit()
+
+ # gather dependencies
+ # TODO: version conflict checking
+ deps = {}
+ alldeps = {}
+ mapping = {} # mapping from subdir name to package name
+ # core dependencies
+ for package in packages:
+ key, value = get_dependencies(os.path.join(here, package))
+ deps[key] = [dependency_info(dep)["Name"] for dep in value]
+ mapping[package] = key
+
+ # keep track of all dependencies for non-mozbase packages
+ for dep in value:
+ alldeps[dependency_info(dep)["Name"]] = "".join(dep.split())
+
+ # indirect dependencies
+ flag = True
+ while flag:
+ flag = False
+ for value in deps.values():
+ for dep in value:
+ if dep in mozbase_packages and dep not in deps:
+ key, value = get_dependencies(os.path.join(here, dep))
+ deps[key] = [dep for dep in value]
+
+ for dep in value:
+ alldeps[dep] = "".join(dep.split())
+ mapping[package] = key
+ flag = True
+ break
+ if flag:
+ break
+
+ # get the remaining names for the mapping
+ for package in mozbase_packages:
+ if package in mapping:
+ continue
+ key, value = get_dependencies(os.path.join(here, package))
+ mapping[package] = key
+
+ # unroll dependencies
+ unrolled = unroll_dependencies(deps)
+
+ # make a reverse mapping: package name -> subdirectory
+ reverse_mapping = dict([(j, i) for i, j in mapping.items()])
+
+ # we only care about dependencies in mozbase
+ unrolled = [package for package in unrolled if package in reverse_mapping]
+
+ if options.list:
+ # list what will be installed
+ for package in unrolled:
+ print(package)
+ parser.exit()
+
+ # set up the packages for development
+ for package in unrolled:
+ call(
+ [sys.executable, "setup.py", "develop", "--no-deps"],
+ cwd=os.path.join(here, reverse_mapping[package]),
+ )
+
+ # add the directory of sys.executable to path to aid the correct
+ # `easy_install` getting called
+ # https://bugzilla.mozilla.org/show_bug.cgi?id=893878
+ os.environ["PATH"] = "%s%s%s" % (
+ os.path.dirname(os.path.abspath(sys.executable)),
+ os.path.pathsep,
+ os.environ.get("PATH", "").strip(os.path.pathsep),
+ )
+
+ # install non-mozbase dependencies
+ # these need to be installed separately and the --no-deps flag
+ # subsequently used due to a bug in setuptools; see
+ # https://bugzilla.mozilla.org/show_bug.cgi?id=759836
+ pypi_deps = dict([(i, j) for i, j in alldeps.items() if i not in unrolled])
+ for package, version in pypi_deps.items():
+ # easy_install should be available since we rely on setuptools
+ call(["easy_install", version])
+
+ # install packages required for unit testing
+ for package in test_packages:
+ call(["easy_install", package])
+
+ # install extra non-mozbase packages if desired
+ if options.extra:
+ for package in extra_packages:
+ call(["easy_install", package])
+
+
+if __name__ == "__main__":
+ main()