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Viewing changes to __init__.py

  • Committer: John Arbash Meinel
  • Date: 2011-03-16 12:37:17 UTC
  • mto: This revision was merged to the branch mainline in revision 438.
  • Revision ID: john@arbash-meinel.com-20110316123717-c36rtyk5ea30oboy
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__init__.py
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starts a web server to browse the contents of a branch.
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"""
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import sys
 
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from info import (
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    bzr_plugin_version as version_info,
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    bzr_compatible_versions,
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    require_any_api(bzrlib, bzr_compatible_versions)
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    # NB: Normally plugins should lazily load almost everything, but this
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    # seems reasonable to have in-line here: bzrlib.commands and options are
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    # normally loaded, and the rest of loggerhead won't be loaded until serve
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    # --http is run.
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    # transport_server_registry was added in bzr 1.16. When we drop support for
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    # older releases, we can remove the code to override cmd_serve.
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    try:
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        from bzrlib.transport import transport_server_registry
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    except ImportError:
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        transport_server_registry = None
 
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    from bzrlib.transport import transport_server_registry
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    DEFAULT_HOST = '0.0.0.0'
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    DEFAULT_PORT = 8080
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    HELP = ('Loggerhead, a web-based code viewer and server. (default port: %d)' %
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            (DEFAULT_PORT,))
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    def setup_logging(config):
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        import logging
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        import sys
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        logger = logging.getLogger('loggerhead')
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        handler = logging.StreamHandler(sys.stderr)
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        handler.setLevel(logging.DEBUG)
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        logger.addHandler(handler)
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        logging.getLogger('simpleTAL').addHandler(handler)
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        logging.getLogger('simpleTALES').addHandler(handler)
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    def _ensure_loggerhead_path():
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        """Ensure that you can 'import loggerhead' and get the root."""
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        # loggerhead internal code will try to 'import loggerhead', so
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        from loggerhead.apps.transport import BranchesFromTransportRoot
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        from loggerhead.config import LoggerheadConfig
 
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        from loggerhead.main import setup_logging
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        if host is None:
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            host = DEFAULT_HOST
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        if not transport.is_readonly():
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            argv.insert(0, '--allow-writes')
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        config = LoggerheadConfig(argv)
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        setup_logging(config)
 
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        setup_logging(config, init_logging=False, log_file=sys.stderr)
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        app = BranchesFromTransportRoot(transport.base, config)
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        app = HTTPExceptionHandler(app)
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        serve(app, host=host, port=port)
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    if transport_server_registry is not None:
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        transport_server_registry.register('http', serve_http, help=HELP)
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    else:
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        import bzrlib.builtins
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        from bzrlib.option import Option
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        _original_command = commands.get_cmd_object('serve')
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        class cmd_serve(bzrlib.builtins.cmd_serve):
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            __doc__ = _original_command.__doc__
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            takes_options = _original_command.takes_options + [
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                Option('http', help=HELP)]
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            def run(self, *args, **kw):
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                if 'http' in kw:
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                    from bzrlib.transport import get_transport
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                    allow_writes = kw.get('allow_writes', False)
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                    path = kw.get('directory', '.')
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                    port = kw.get('port', DEFAULT_PORT)
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                    # port might be an int already...
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                    if isinstance(port, basestring) and ':' in port:
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                        host, port = port.split(':')
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                    else:
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                        host = DEFAULT_HOST
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                    if allow_writes:
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                        transport = get_transport(path)
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                    else:
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                        transport = get_transport('readonly+' + path)
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                    serve_http(transport, host, port)
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                else:
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                    super(cmd_serve, self).run(*args, **kw)
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        commands.register_command(cmd_serve)
 
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    transport_server_registry.register('http', serve_http, help=HELP)
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    class cmd_load_test_loggerhead(commands.Command):
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        """Run a load test against a live loggerhead instance.