Quelle versioninfo.py Sprache: Python

#!/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/.

"""
List mozbase package dependencies or generate changelogs
from commit messages.
"""

import argparse
import os
import subprocess
import sys
from collections.abc import Iterable

from packaging.version import Version

here = os.path.abspath(os.path.dirname(__file__))
sys.path.insert(0, here)

import setup_development

def run_hg(command):
    command = command[:]
    if not isinstance(command, Iterable):
        command = command.split()
    command.insert(0, "hg")
    try:
        output = subprocess.check_output(command, cwd=here, universal_newlines=True)
    except subprocess.CalledProcessError:
        sys.exit(1)
    return output

def changelog(args):
    setup = os.path.join(args.module, "setup.py")

    def get_version_rev(v=None):
        revisions = run_hg(["log", setup, "--template={rev},"]).split(",")[:-1]
        for rev in revisions:
            diff = run_hg(["diff", "-c", rev, setup, "-U0"])
            minus_version = None
            plus_version = None
            for line in diff.splitlines():
                if line.startswith("-PACKAGE_VERSION"):
                    try:
                        minus_version = Version(line.split()[-1].strip("\"'"))
                    except ValueError:
                        pass
                elif line.startswith("+PACKAGE_VERSION"):
                    try:
                        plus_version = Version(line.split()[-1].strip("\"'"))
                    except ValueError:
                        break

                    # make sure the change isn't a backout
                    if not minus_version or plus_version > minus_version:
                        if not v:
                            return rev

                        if Version(v) == plus_version:
                            return rev

        print(
            "Could not find %s revision for version %s." % (args.module, v or "latest")
        )
        sys.exit(1)

    from_ref = args.from_ref or get_version_rev()
    to_ref = args.to_ref or "tip"

    if "." in from_ref:
        from_ref = get_version_rev(from_ref)
    if "." in to_ref:
        to_ref = get_version_rev(to_ref)

    delim = "\x12\x59\x52\x99\x05"
    changelog = run_hg(
        [
            "log",
            "-r",
            "%s:children(%s)" % (to_ref, from_ref),
            "--template={desc}%s" % delim,
            "-M",
            args.module,
        ]
    ).split(delim)[:-1]

    def prettify(desc):
        lines = desc.splitlines()
        lines = [("* %s" if i == 0 else " %s") % l for i, l in enumerate(lines)]
        return "\n".join(lines)

    # pylint --py3k: W1636
    changelog = list(map(prettify, changelog))
    print("\n".join(changelog))

def dependencies(args):
    # get package information
    info = {}
    dependencies = {}
    for package in setup_development.mozbase_packages:
        directory = os.path.join(setup_development.here, package)
        info[directory] = setup_development.info(directory)
        name, _dependencies = setup_development.get_dependencies(directory)
        assert name == info[directory]["Name"]
        dependencies[name] = _dependencies

    # print package version information
    for value in info.values():
        print(
            "%s %s : %s"
            % (value["Name"], value["Version"], ", ".join(dependencies[value["Name"]]))
        )

def main(args=sys.argv[1:]):
    parser = argparse.ArgumentParser()
    subcommands = parser.add_subparsers(help="Sub-commands")

    p_deps = subcommands.add_parser("dependencies", help="Print dependencies.")
    p_deps.set_defaults(func=dependencies)

    p_changelog = subcommands.add_parser("changelog", help="Print a changelog.")
    p_changelog.add_argument("module", help="Module to get changelog from.")
    p_changelog.add_argument(
        "--from",
        dest="from_ref",
        default=None,
        help="Starting version or revision to list "
        "changes from. [defaults to latest version]",
    )
    p_changelog.add_argument(
        "--to",
        dest="to_ref",
        default=None,
        help="Ending version or revision to list " "changes to. [defaults to tip]",
    )
    p_changelog.set_defaults(func=changelog)

    # default to showing dependencies
    if args == []:
        args.append("dependencies")
    args = parser.parse_args(args)
    args.func(args)

if __name__ == "__main__":
    main()

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