File: fdroid

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fdroidserver 0.7.0-2
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#!/usr/bin/env python3
#
# fdroid.py - part of the FDroid server tools
# Copyright (C) 2010-2015, Ciaran Gultnieks, ciaran@ciarang.com
# Copyright (C) 2013-2014 Daniel Marti <mvdan@mvdan.cc>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import sys
import logging

import fdroidserver.common
import fdroidserver.metadata
from argparse import ArgumentError

commands = {
    "build": "Build a package from source",
    "init": "Quickly start a new repository",
    "publish": "Sign and place packages in the repo",
    "gpgsign": "Add gpg signatures for packages in repo",
    "update": "Update repo information for new packages",
    "verify": "Verify the integrity of downloaded packages",
    "checkupdates": "Check for updates to applications",
    "import": "Add a new application from its source code",
    "install": "Install built packages on devices",
    "readmeta": "Read all the metadata files and exit",
    "rewritemeta": "Rewrite all the metadata files",
    "lint": "Warn about possible metadata errors",
    "scanner": "Scan the source code of a package",
    "stats": "Update the stats of the repo",
    "server": "Interact with the repo HTTP server",
    "signindex": "Sign indexes created using update --nosign",
}


def print_help():
    print("usage: fdroid [-h|--help|--version] <command> [<args>]")
    print("")
    print("Valid commands are:")
    for cmd, summary in commands.items():
        print("   " + cmd + ' ' * (15 - len(cmd)) + summary)
    print("")


def main():

    if len(sys.argv) <= 1:
        print_help()
        sys.exit(0)

    command = sys.argv[1]
    if command not in commands:
        if command in ('-h', '--help'):
            print_help()
            sys.exit(0)
        elif command == '--version':
            import os.path
            output = 'no version info found!'
            cmddir = os.path.realpath(os.path.dirname(__file__))
            moduledir = os.path.realpath(os.path.dirname(fdroidserver.common.__file__) + '/..')
            if cmddir == moduledir:
                # running from git
                os.chdir(cmddir)
                if os.path.isdir('.git'):
                    import subprocess
                    try:
                        output = subprocess.check_output(['git', 'describe'],
                                                         stderr=subprocess.STDOUT,
                                                         universal_newlines=True)
                    except subprocess.CalledProcessError:
                        output = 'git commit ' + subprocess.check_output(['git', 'rev-parse', 'HEAD'],
                                                                         universal_newlines=True)
                elif os.path.exists('setup.py'):
                    import re
                    m = re.search(r'''.*[\s,\(]+version\s*=\s*["']([0-9a-z.]+)["'].*''',
                                  open('setup.py').read(), flags=re.MULTILINE)
                    if m:
                        output = m.group(1) + '\n'
            else:
                from pkg_resources import get_distribution
                output = get_distribution('fdroidserver').version + '\n'
            print(output),
            sys.exit(0)
        else:
            print("Command '%s' not recognised.\n" % command)
            print_help()
            sys.exit(1)

    verbose = any(s in sys.argv for s in ['-v', '--verbose'])
    quiet = any(s in sys.argv for s in ['-q', '--quiet'])

    # Helpful to differentiate warnings from errors even when on quiet
    logformat = '%(levelname)s: %(message)s'
    loglevel = logging.INFO
    if verbose:
        loglevel = logging.DEBUG
    elif quiet:
        loglevel = logging.WARN

    logging.basicConfig(format=logformat, level=loglevel)

    if verbose and quiet:
        logging.critical("Specifying --verbose and --quiet and the same time is silly")
        sys.exit(1)

    # Trick optparse into displaying the right usage when --help is used.
    sys.argv[0] += ' ' + command

    del sys.argv[1]
    mod = __import__('fdroidserver.' + command, None, None, [command])

    try:
        mod.main()
    # These are ours, contain a proper message and are "expected"
    except (fdroidserver.common.FDroidException,
            fdroidserver.metadata.MetaDataException) as e:
        if verbose:
            raise
        else:
            logging.critical(str(e))
        sys.exit(1)
    except ArgumentError as e:
        logging.critical(str(e))
        sys.exit(1)
    except KeyboardInterrupt:
        print('')
        sys.exit(1)
    # These should only be unexpected crashes due to bugs in the code
    # str(e) often doesn't contain a reason, so just show the backtrace
    except Exception as e:
        logging.critical("Unknown exception found!")
        raise
    sys.exit(0)

if __name__ == "__main__":
    main()