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import os
from bzrlib import branch, errors
from loggerhead.history import History
from loggerhead.wsgiapp import BranchWSGIApp, static_app
from paste.request import path_info_pop
from paste import httpexceptions
from paste import httpserver
from paste.httpexceptions import make_middleware
from paste.translogger import make_filter
from loggerhead.changecache import FileChangeCache
class BranchesFromFileSystemServer(object):
def __init__(self, folder, root):
self.folder = folder
self.root = root
def __call__(self, environ, start_response):
segment = path_info_pop(environ)
if segment is None:
raise httpexceptions.HTTPNotFound()
relpath = os.path.join(self.folder, segment)
f = os.path.join(self.root.folder, relpath)
if not os.path.isdir(f):
raise httpexceptions.HTTPNotFound()
if f in self.root.cache:
return self.root.cache[f](environ, start_response)
try:
b = branch.Branch.open(f)
except errors.NotBranchError:
return BranchesFromFileSystemServer(relpath, self.root)(environ, start_response)
else:
b.lock_read()
try:
_history = History.from_branch(b)
_history.use_file_cache(FileChangeCache(_history, 'sql'))
h = BranchWSGIApp(_history, relpath).app
self.root.cache[f] = h
return h(environ, start_response)
finally:
b.unlock()
class BranchesFromFileSystemRoot(object):
def __init__(self, folder):
self.cache = {}
self.folder = folder
def __call__(self, environ, start_response):
environ['loggerhead.static.url'] = environ['SCRIPT_NAME']
segment = path_info_pop(environ)
if segment == 'static':
return static_app(environ, start_response)
else:
return BranchesFromFileSystemServer(
segment, self)(environ, start_response)
app = BranchesFromFileSystemRoot('../..')
app = app
app = make_middleware(app)
app = make_filter(app, None)
from paste.evalexception.middleware import EvalException
httpserver.serve(EvalException(app), host='127.0.0.1', port='9876')
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