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# Copyright 2009, 2010, 2011 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# This file allows loggerhead to be treated as a plugin for bzr.
#
# XXX: Because loggerhead already contains a loggerhead directory, much of the
# code is going to appear loaded at bzrlib.plugins.loggerhead.loggerhead.
# This seems like the easiest thing, because bzrlib wants the top-level plugin
# directory to be the module, but when it's used as a library people expect
# the source directory to contain a directory called loggerhead. -- mbp
# 20090123
"""Loggerhead web viewer for Bazaar branches.
This provides a new option "--http" to the "bzr serve" command, that
starts a web server to browse the contents of a branch.
"""
from info import (
bzr_plugin_version as version_info,
bzr_compatible_versions,
)
if __name__ == 'bzrlib.plugins.loggerhead':
import bzrlib
from bzrlib.api import require_any_api
require_any_api(bzrlib, bzr_compatible_versions)
# NB: Normally plugins should lazily load almost everything, but this
# seems reasonable to have in-line here: bzrlib.commands and options are
# normally loaded, and the rest of loggerhead won't be loaded until serve
# --http is run.
# transport_server_registry was added in bzr 1.16. When we drop support for
# older releases, we can remove the code to override cmd_serve.
try:
from bzrlib.transport import transport_server_registry
except ImportError:
transport_server_registry = None
DEFAULT_HOST = '0.0.0.0'
DEFAULT_PORT = 8080
HELP = ('Loggerhead, a web-based code viewer and server. (default port: %d)' %
(DEFAULT_PORT,))
def setup_logging(config):
import logging
import sys
logger = logging.getLogger('loggerhead')
handler = logging.StreamHandler(sys.stderr)
handler.setLevel(logging.DEBUG)
logger.addHandler(handler)
logging.getLogger('simpleTAL').addHandler(handler)
logging.getLogger('simpleTALES').addHandler(handler)
def _ensure_loggerhead_path():
"""Ensure that you can 'import loggerhead' and get the root."""
# loggerhead internal code will try to 'import loggerhead', so
# let's put it on the path if we can't find it in the existing path
try:
import loggerhead.apps.transport
except ImportError:
import os.path, sys
sys.path.append(os.path.dirname(__file__))
def serve_http(transport, host=None, port=None, inet=None):
# TODO: if we supported inet to pass requests in and respond to them,
# then it would be easier to test the full stack, but it probably
# means routing around paste.httpserver.serve which probably
# isn't testing the full stack
from paste.httpexceptions import HTTPExceptionHandler
from paste.httpserver import serve
_ensure_loggerhead_path()
from loggerhead.apps.http_head import HeadMiddleware
from loggerhead.apps.transport import BranchesFromTransportRoot
from loggerhead.config import LoggerheadConfig
if host is None:
host = DEFAULT_HOST
if port is None:
port = DEFAULT_PORT
argv = ['--host', host, '--port', str(port), '--', transport.base]
if not transport.is_readonly():
argv.insert(0, '--allow-writes')
config = LoggerheadConfig(argv)
setup_logging(config)
app = BranchesFromTransportRoot(transport.base, config)
app = HeadMiddleware(app)
app = HTTPExceptionHandler(app)
serve(app, host=host, port=port)
if transport_server_registry is not None:
transport_server_registry.register('http', serve_http, help=HELP)
else:
import bzrlib.builtins
from bzrlib.commands import get_cmd_object, register_command
from bzrlib.option import Option
_original_command = get_cmd_object('serve')
class cmd_serve(bzrlib.builtins.cmd_serve):
__doc__ = _original_command.__doc__
takes_options = _original_command.takes_options + [
Option('http', help=HELP)]
def run(self, *args, **kw):
if 'http' in kw:
from bzrlib.transport import get_transport
allow_writes = kw.get('allow_writes', False)
path = kw.get('directory', '.')
port = kw.get('port', DEFAULT_PORT)
# port might be an int already...
if isinstance(port, basestring) and ':' in port:
host, port = port.split(':')
else:
host = DEFAULT_HOST
if allow_writes:
transport = get_transport(path)
else:
transport = get_transport('readonly+' + path)
serve_http(transport, host, port)
else:
super(cmd_serve, self).run(*args, **kw)
register_command(cmd_serve)
def load_tests(standard_tests, module, loader):
_ensure_loggerhead_path()
standard_tests.addTests(loader.loadTestsFromModuleNames(
['bzrlib.plugins.loggerhead.loggerhead.tests']))
return standard_tests
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