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Viewing changes to serve-branches

  • Committer: Guillermo Gonzalez
  • Date: 2008-09-10 23:12:59 UTC
  • mfrom: (221 trunk)
  • mto: (217.1.9 logging)
  • mto: This revision was merged to the branch mainline in revision 226.
  • Revision ID: guillo.gonzo@gmail.com-20080910231259-4wnfmu30f4n90w6x
 * merge with trunk (resolve conflicts in NEWS and serve-branches)

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serve-branches
1
 
#
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# Copyright (C) 2008, 2009 Canonical Ltd
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#
 
1
#!/usr/bin/env python
4
2
# 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
6
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# the Free Software Foundation; either version 2 of the License, or
21
19
import os
22
20
import sys
23
21
 
24
 
from bzrlib.plugin import load_plugins
25
 
from bzrlib.transport import get_transport
 
22
from optparse import OptionParser
26
23
 
27
24
from paste import httpserver
28
 
from paste.httpexceptions import HTTPExceptionHandler, HTTPInternalServerError
 
25
from paste.httpexceptions import HTTPExceptionHandler
29
26
from paste.translogger import TransLogger
30
27
 
31
28
from loggerhead import __version__
32
 
from loggerhead.apps.transport import (
33
 
    BranchesFromTransportRoot, UserBranchesFromTransportRoot)
34
 
from loggerhead.config import LoggerheadConfig
 
29
from loggerhead.apps.filesystem import (
 
30
    BranchesFromFileSystemRoot, UserBranchesFromFileSystemRoot)
35
31
from loggerhead.util import Reloader
36
32
from loggerhead.apps.error import ErrorHandlerApp
37
33
 
38
34
 
39
 
def get_config_and_path(args):
40
 
    config = LoggerheadConfig()
41
 
 
42
 
    if config.get_option('show_version'):
 
35
def command_line_parser():
 
36
    parser = OptionParser("%prog [options] <path>")
 
37
    parser.set_defaults(
 
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        user_dirs=False,
 
39
        show_version=False,
 
40
        log_folder=None,
 
41
        )
 
42
    parser.add_option("--user-dirs", action="store_true", dest="user_dirs",
 
43
                      help="Serve user directories as ~user.")
 
44
    parser.add_option("--trunk-dir", metavar="DIR",
 
45
                      help="The directory that contains the trunk branches.")
 
46
    parser.add_option("--port", dest="user_port",
 
47
                      help="Port Loggerhead should listen on (defaults to 8080).")
 
48
    parser.add_option("--host", dest="user_host",
 
49
                      help="Host Loggerhead should listen on.")
 
50
    parser.add_option("--prefix", dest="user_prefix",
 
51
                      help="Specify host prefix.")
 
52
    parser.add_option("--reload", action="store_true", dest="reload",
 
53
                      help="Restarts the application when changing python"
 
54
                           " files. Only used for development purposes.")
 
55
    parser.add_option('--log-folder', dest="log_folder", 
 
56
                      type=str, help="The directory to place log files")
 
57
    parser.add_option("--version", action="store_true", dest="show_version",
 
58
                      help="Print the software version and exit")
 
59
    return parser
 
60
 
 
61
 
 
62
def main(args):
 
63
    parser = command_line_parser()
 
64
    (options, args) = parser.parse_args(sys.argv[1:])
 
65
 
 
66
    if options.show_version:
43
67
        print "loggerhead %s" % __version__
44
68
        sys.exit(0)
45
69
 
46
 
    if config.arg_count > 1:
47
 
        config.print_help()
48
 
        sys.exit(1)
49
 
    elif config.arg_count == 1:
50
 
        base = config.get_arg(0)
51
 
    else:
52
 
        base = '.'
53
 
 
54
 
    if not config.get_option('allow_writes'):
55
 
        base = 'readonly+' + base
56
 
 
57
 
    return config, base
58
 
 
59
 
 
60
 
def setup_logging(config):
 
70
    if len(args) > 1:
 
71
        parser.print_help()
 
72
        sys.exit(1)
 
73
    elif len(args) == 1:
 
74
        [path] = args
 
75
    else:
 
76
        path = '.'
 
77
 
 
78
    if not os.path.isdir(path):
 
79
        print "%s is not a directory" % path
 
80
        sys.exit(1)
 
81
 
 
82
    if options.trunk_dir and not options.user_dirs:
 
83
        print "--trunk-dir is only valid with --user-dirs"
 
84
        sys.exit(1)
 
85
        
 
86
    if options.reload:
 
87
        if Reloader.is_installed():
 
88
            Reloader.install()
 
89
        else:
 
90
            return Reloader.restart_with_reloader()
 
91
 
 
92
    if options.user_dirs:
 
93
        if not options.trunk_dir:
 
94
            print "You didn't specify a directory for the trunk directories."
 
95
            sys.exit(1)
 
96
        app = UserBranchesFromFileSystemRoot(path, options.trunk_dir)
 
97
    else:
 
98
        app = BranchesFromFileSystemRoot(path)
 
99
    
 
100
    # setup_logging()
61
101
    logging.basicConfig()
62
102
    logging.getLogger('').setLevel(logging.DEBUG)
63
 
    logger = logging.getLogger('loggerhead')
64
 
    if config.get_option('log_folder'):
65
 
        logfile_path = os.path.join(
66
 
            config.get_option('log_folder'), 'serve-branches.log')
 
103
    logger = getattr(app, 'log', logging.getLogger('loggerhead'))
 
104
    if options.log_folder:
 
105
        logfile_path = os.path.join(options.log_folder, 'serve-branches.log')
67
106
    else:
68
107
        logfile_path = 'serve-branches.log'
69
108
    logfile = logging.FileHandler(logfile_path, 'a')
72
111
    logfile.setFormatter(formatter)
73
112
    logfile.setLevel(logging.DEBUG)
74
113
    logger.addHandler(logfile)
75
 
    return logger
76
 
 
77
 
 
78
 
def make_app_for_config_and_path(config, base):
79
 
    if config.get_option('trunk_dir') and not config.get_option('user_dirs'):
80
 
        print "--trunk-dir is only valid with --user-dirs"
81
 
        sys.exit(1)
82
 
 
83
 
    if config.get_option('reload'):
84
 
        if Reloader.is_installed():
85
 
            Reloader.install()
86
 
        else:
87
 
            return Reloader.restart_with_reloader()
88
 
 
89
 
    if config.get_option('user_dirs'):
90
 
        if not config.get_option('trunk_dir'):
91
 
            print "You didn't specify a directory for the trunk directories."
92
 
            sys.exit(1)
93
 
        app = UserBranchesFromTransportRoot(base, config)
94
 
    else:
95
 
        app = BranchesFromTransportRoot(base, config)
96
 
 
97
 
    setup_logging(config)
98
 
 
99
 
    if config.get_option('profile'):
100
 
        from loggerhead.middleware.profile import LSProfMiddleware
101
 
        app = LSProfMiddleware(app)
102
 
    if config.get_option('memory_profile'):
103
 
        from dozer import Dozer
104
 
        app = Dozer(app)
105
 
 
106
 
    if not config.get_option('user_prefix'):
 
114
    # setup_logging() #end
 
115
    app = ErrorHandlerApp(app)
 
116
    app = HTTPExceptionHandler(app)
 
117
    app = TransLogger(app, logger=logger)
 
118
 
 
119
    if not options.user_prefix:
107
120
        prefix = '/'
108
121
    else:
109
 
        prefix = config.get_option('user_prefix')
110
 
        if not prefix.startswith('/'):
111
 
            prefix = '/' + prefix
 
122
        prefix = options.user_prefix
112
123
 
113
124
    try:
114
125
        from paste.deploy.config import PrefixMiddleware
115
126
    except ImportError:
116
 
        cant_proxy_correctly_message = (
117
 
            'Unsupported configuration: PasteDeploy not available, but '
118
 
            'loggerhead appears to be behind a proxy.')
119
 
        def check_not_proxied(app):
120
 
            def wrapped(environ, start_response):
121
 
                if 'HTTP_X_FORWARDED_SERVER' in environ:
122
 
                    exc = HTTPInternalServerError()
123
 
                    exc.explanation = cant_proxy_correctly_message
124
 
                    raise exc
125
 
                return app(environ, start_response)
126
 
            return wrapped
127
 
        app = check_not_proxied(app)
 
127
        pass
128
128
    else:
129
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
136
 
 
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'):
 
130
    
 
131
    if not options.user_port:
146
132
        port = '8080'
147
133
    else:
148
 
        port = config.get_option('user_port')
 
134
        port = options.user_port
149
135
 
150
 
    if not config.get_option('user_host'):
 
136
    if not options.user_host:
151
137
        host = '0.0.0.0'
152
138
    else:
153
 
        host = config.get_option('user_host')
 
139
        host = options.user_host
154
140
 
155
141
    httpserver.serve(app, host=host, port=port)
 
142
 
 
143
 
 
144
if __name__ == "__main__":
 
145
    main(sys.argv)