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Viewing changes to serve-branches

  • Committer: Martin Albisetti
  • Date: 2008-08-02 19:55:19 UTC
  • mto: This revision was merged to the branch mainline in revision 197.
  • Revision ID: argentina@gmail.com-20080802195519-bz2k9c25h746e73d
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serve-branches
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#
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# Copyright (C) 2008, 2009 Canonical Ltd
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#
 
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#!/usr/bin/env python
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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import os
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import sys
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21
 
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from bzrlib.plugin import load_plugins
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from bzrlib.transport import get_transport
 
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from optparse import OptionParser
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23
 
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from paste import httpserver
28
 
from paste.httpexceptions import HTTPExceptionHandler, HTTPInternalServerError
 
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from paste.httpexceptions import HTTPExceptionHandler
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from paste.translogger import TransLogger
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from loggerhead import __version__
32
 
from loggerhead.apps.transport import (
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    BranchesFromTransportRoot, UserBranchesFromTransportRoot)
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from loggerhead.config import LoggerheadConfig
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from loggerhead.util import Reloader
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from loggerhead.apps.error import ErrorHandlerApp
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38
 
 
39
 
def get_config_and_path(args):
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    config = LoggerheadConfig()
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42
 
    if config.get_option('show_version'):
 
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from loggerhead.apps.filesystem import (
 
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    BranchesFromFileSystemRoot, UserBranchesFromFileSystemRoot)
 
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def command_line_parser():
 
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    parser = OptionParser("%prog [options] <path>")
 
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    parser.set_defaults(
 
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        user_dirs=False,
 
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        show_version=False,
 
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        )
 
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    parser.add_option("--user-dirs", action="store_true", dest="user_dirs",
 
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                      help="Serve user directories as ~user.")
 
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    parser.add_option("--trunk-dir", metavar="DIR",
 
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                      help="The directory that contains the trunk branches.")
 
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    parser.add_option("--version", action="store_true", dest="show_version",
 
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                      help="Print the software version and exit")
 
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    return parser
 
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47
 
 
48
def main(args):
 
49
    logging.basicConfig()
 
50
    logging.getLogger().setLevel(logging.DEBUG)
 
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    parser = command_line_parser()
 
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    (options, args) = parser.parse_args(sys.argv[1:])
 
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    if options.show_version:
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        print "loggerhead %s" % __version__
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        sys.exit(0)
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46
 
    if config.arg_count > 1:
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        config.print_help()
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        sys.exit(1)
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    elif config.arg_count == 1:
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        base = config.get_arg(0)
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    else:
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        base = '.'
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54
 
    if not config.get_option('allow_writes'):
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        base = 'readonly+' + base
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57
 
    return config, base
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59
 
 
60
 
def setup_logging(config):
61
 
    logging.basicConfig()
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    logging.getLogger('').setLevel(logging.DEBUG)
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    logger = logging.getLogger('loggerhead')
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    if config.get_option('log_folder'):
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        logfile_path = os.path.join(
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            config.get_option('log_folder'), 'serve-branches.log')
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    else:
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        logfile_path = 'serve-branches.log'
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    logfile = logging.FileHandler(logfile_path, 'a')
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    formatter = logging.Formatter('%(asctime)s %(levelname)-8s %(name)s:'
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                                  ' %(message)s')
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    logfile.setFormatter(formatter)
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    logfile.setLevel(logging.DEBUG)
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    logger.addHandler(logfile)
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    return logger
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def make_app_for_config_and_path(config, base):
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    if config.get_option('trunk_dir') and not config.get_option('user_dirs'):
 
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    if len(args) > 1:
 
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        parser.print_help()
 
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        sys.exit(1)
 
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    elif len(args) == 1:
 
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        [path] = args
 
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    else:
 
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        path = '.'
 
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    if not os.path.isdir(path):
 
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        print "%s is not a directory" % path
 
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        sys.exit(1)
 
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    if options.trunk_dir and not options.user_dirs:
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        print "--trunk-dir is only valid with --user-dirs"
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        sys.exit(1)
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83
 
    if config.get_option('reload'):
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        if Reloader.is_installed():
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            Reloader.install()
86
 
        else:
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            return Reloader.restart_with_reloader()
88
 
 
89
 
    if config.get_option('user_dirs'):
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        if not config.get_option('trunk_dir'):
 
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    if options.user_dirs:
 
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        if not options.trunk_dir:
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            print "You didn't specify a directory for the trunk directories."
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            sys.exit(1)
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        app = UserBranchesFromTransportRoot(base, config)
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    else:
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        app = BranchesFromTransportRoot(base, config)
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97
 
    setup_logging(config)
98
 
 
99
 
    if config.get_option('profile'):
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        from loggerhead.middleware.profile import LSProfMiddleware
101
 
        app = LSProfMiddleware(app)
102
 
    if config.get_option('memory_profile'):
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        from dozer import Dozer
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        app = Dozer(app)
105
 
 
106
 
    if not config.get_option('user_prefix'):
107
 
        prefix = '/'
108
 
    else:
109
 
        prefix = config.get_option('user_prefix')
110
 
        if not prefix.startswith('/'):
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            prefix = '/' + prefix
 
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        app = UserBranchesFromFileSystemRoot(path, options.trunk_dir)
 
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    else:
 
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        app = BranchesFromFileSystemRoot(path)
 
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    app = HTTPExceptionHandler(app)
 
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    app = TransLogger(app)
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84
 
113
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    try:
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        from paste.deploy.config import PrefixMiddleware
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    except ImportError:
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        cant_proxy_correctly_message = (
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            'Unsupported configuration: PasteDeploy not available, but '
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            'loggerhead appears to be behind a proxy.')
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        def check_not_proxied(app):
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            def wrapped(environ, start_response):
121
 
                if 'HTTP_X_FORWARDED_SERVER' in environ:
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                    exc = HTTPInternalServerError()
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                    exc.explanation = cant_proxy_correctly_message
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                    raise exc
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                return app(environ, start_response)
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            return wrapped
127
 
        app = check_not_proxied(app)
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    else:
129
 
        app = PrefixMiddleware(app, prefix=prefix)
130
 
 
131
 
    app = HTTPExceptionHandler(app)
132
 
    app = ErrorHandlerApp(app)
133
 
    app = TransLogger(app, logger=logging.getLogger('loggerhead'))
134
 
 
135
 
    return app
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137
 
 
138
 
def main(args):
139
 
    load_plugins()
140
 
 
141
 
    config, path = get_config_and_path(args)
142
 
 
143
 
    app = make_app_for_config_and_path(config, path)
144
 
 
145
 
    if not config.get_option('user_port'):
146
 
        port = '8080'
147
 
    else:
148
 
        port = config.get_option('user_port')
149
 
 
150
 
    if not config.get_option('user_host'):
151
 
        host = '0.0.0.0'
152
 
    else:
153
 
        host = config.get_option('user_host')
154
 
 
155
 
    httpserver.serve(app, host=host, port=port)
 
88
        pass
 
89
    else:
 
90
        app = PrefixMiddleware(app)
 
91
 
 
92
    httpserver.serve(app, host='0.0.0.0', port='8080')
 
93
 
 
94
 
 
95
if __name__ == "__main__":
 
96
    main(sys.argv)