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Viewing changes to loggerhead/apps/filesystem.py

  • Committer: Robey Pointer
  • Date: 2007-01-24 19:17:40 UTC
  • Revision ID: robey@lag.net-20070124191740-xvsnm989idtuyb0i
fix safari rendering bug that made the top navbar look fat.

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loggerhead/apps/filesystem.py
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"""Serve branches at urls that mimic the file system layout."""
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import os
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import tempfile
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from bzrlib import branch, errors, lru_cache
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from paste.request import path_info_pop
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from paste import httpexceptions
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from loggerhead.apps.branch import BranchWSGIApp
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from loggerhead.apps import favicon_app, static_app
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from loggerhead.controllers.directory_ui import DirectoryUI
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sql_dir = tempfile.mkdtemp(prefix='loggerhead-cache-')
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class BranchesFromFileSystemServer(object):
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    def __init__(self, path, root, name=None):
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        self.path = path
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        self.root = root
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        self.name = name
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    def app_for_branch(self, branch):
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        if not self.name:
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            name = branch.nick
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        else:
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            name = self.name
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        branch_app = BranchWSGIApp(
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            branch, name, {'cachepath': sql_dir}, self.root.graph_cache)
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        return branch_app.app
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    def app_for_non_branch(self, environ):
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        segment = path_info_pop(environ)
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        if segment is None:
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            raise httpexceptions.HTTPMovedPermanently(
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                environ['SCRIPT_NAME'] + '/')
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        elif segment == '':
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            if self.name:
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                name = self.name
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            else:
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                name = '/'
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            return DirectoryUI(environ['loggerhead.static.url'], self.path, name)
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        else:
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            new_path = os.path.join(self.path, segment)
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            if self.name:
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                new_name = os.path.join(self.name, segment)
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            else:
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                new_name = '/' + segment
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            return BranchesFromFileSystemServer(new_path, self.root, new_name)
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    def __call__(self, environ, start_response):
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        if not os.path.isdir(self.path):
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            raise httpexceptions.HTTPNotFound()
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        try:
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            b = branch.Branch.open(self.path)
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        except errors.NotBranchError:
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            return self.app_for_non_branch(environ)(environ, start_response)
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        else:
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            return self.app_for_branch(b)(environ, start_response)
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class BranchesFromFileSystemRoot(object):
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    def __init__(self, folder):
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        self.graph_cache = lru_cache.LRUCache()
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        self.folder = folder
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    def __call__(self, environ, start_response):
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        environ['loggerhead.static.url'] = environ['SCRIPT_NAME']
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        if environ['PATH_INFO'].startswith('/static/'):
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            segment = path_info_pop(environ)
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            assert segment == 'static'
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            return static_app(environ, start_response)
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        elif environ['PATH_INFO'] == '/favicon.ico':
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            return favicon_app(environ, start_response)
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        else:
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            return BranchesFromFileSystemServer(
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                self.folder, self)(environ, start_response)
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class UserBranchesFromFileSystemRoot(object):
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    def __init__(self, folder, trunk_dir):
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        self.graph_cache = lru_cache.LRUCache()
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        self.folder = folder
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        self.trunk_dir = trunk_dir
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    def __call__(self, environ, start_response):
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        environ['loggerhead.static.url'] = environ['SCRIPT_NAME']
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        path_info= environ['PATH_INFO']
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        if path_info.startswith('/static/'):
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            segment = path_info_pop(environ)
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            assert segment == 'static'
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            return static_app(environ, start_response)
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        elif path_info == '/favicon.ico':
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            return favicon_app(environ, start_response)
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        else:
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            # segments starting with ~ are user branches
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            if path_info.startswith('/~'):
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                segment = path_info_pop(environ)
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                new_path = os.path.join(self.folder, segment[1:])
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                return BranchesFromFileSystemServer(
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                    new_path, self, segment)(environ, start_response)
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            else:
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                new_path = os.path.join(self.folder, self.trunk_dir)
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                return BranchesFromFileSystemServer(
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                    new_path, self)(environ, start_response)