← Back to branch summary

~loggerhead-team/loggerhead/trunk-rich

« back to all changes in this revision

Viewing changes to loggerhead/apps/branch.py

  • Committer: Michael Hudson
  • Date: 2009-03-01 17:47:52 UTC
  • mfrom: (283.1.1 bug-329668)
  • Revision ID: michael.hudson@canonical.com-20090301174752-vpp55v8c3fwyjwmc
fix bug #329668 ("Inventory page uses "//" in links")

Show diffs side-by-side

added added

removed removed

Lines of Context:
loggerhead/apps/branch.py
 
1
"""The WSGI application for serving a Bazaar branch."""
 
2
 
 
3
import logging
 
4
import urllib
 
5
import sys
 
6
 
 
7
import bzrlib.branch
 
8
import bzrlib.lru_cache
 
9
 
 
10
from paste import request
 
11
from paste import httpexceptions
 
12
 
 
13
from loggerhead.apps import static_app
 
14
from loggerhead.controllers.changelog_ui import ChangeLogUI
 
15
from loggerhead.controllers.inventory_ui import InventoryUI
 
16
from loggerhead.controllers.annotate_ui import AnnotateUI
 
17
from loggerhead.controllers.revision_ui import RevisionUI
 
18
from loggerhead.controllers.atom_ui import AtomUI
 
19
from loggerhead.controllers.download_ui import DownloadUI
 
20
from loggerhead.controllers.search_ui import SearchUI
 
21
from loggerhead.controllers.diff_ui import DiffUI
 
22
from loggerhead.history import History
 
23
from loggerhead import util
 
24
 
 
25
 
 
26
_DEFAULT = object()
 
27
 
 
28
class BranchWSGIApp(object):
 
29
 
 
30
    def __init__(self, branch, friendly_name=None, config={},
 
31
                 graph_cache=None, branch_link=None, is_root=False,
 
32
                 served_url=_DEFAULT):
 
33
        self.branch = branch
 
34
        self._config = config
 
35
        self.friendly_name = friendly_name
 
36
        self.branch_link = branch_link  # Currently only used in Launchpad
 
37
        self.log = logging.getLogger('loggerhead.%s' % friendly_name)
 
38
        if graph_cache is None:
 
39
            graph_cache = bzrlib.lru_cache.LRUCache()
 
40
        self.graph_cache = graph_cache
 
41
        self.is_root = is_root
 
42
        self.served_url = served_url
 
43
 
 
44
    def get_history(self):
 
45
        _history = History(self.branch, self.graph_cache)
 
46
        cache_path = self._config.get('cachepath', None)
 
47
        if cache_path is not None:
 
48
            # Only import the cache if we're going to use it.
 
49
            # This makes sqlite optional
 
50
            try:
 
51
                from loggerhead.changecache import FileChangeCache
 
52
            except ImportError:
 
53
                self.log.debug("Couldn't load python-sqlite,"
 
54
                               " continuing without using a cache")
 
55
            else:
 
56
                _history.use_file_cache(
 
57
                    FileChangeCache(_history, cache_path))
 
58
        return _history
 
59
 
 
60
    def url(self, *args, **kw):
 
61
        if isinstance(args[0], list):
 
62
            args = args[0]
 
63
        qs = []
 
64
        for k, v in kw.iteritems():
 
65
            if v is not None:
 
66
                qs.append('%s=%s'%(k, urllib.quote(v)))
 
67
        qs = '&'.join(qs)
 
68
        return request.construct_url(
 
69
            self._environ, script_name=self._url_base,
 
70
            path_info=unicode('/'.join(args)).encode('utf-8'),
 
71
            querystring=qs)
 
72
 
 
73
    def context_url(self, *args, **kw):
 
74
        kw = util.get_context(**kw)
 
75
        return self.url(*args, **kw)
 
76
 
 
77
    def static_url(self, path):
 
78
        return self._static_url_base + path
 
79
 
 
80
    controllers_dict = {
 
81
        'annotate': AnnotateUI,
 
82
        'changes': ChangeLogUI,
 
83
        'files': InventoryUI,
 
84
        'revision': RevisionUI,
 
85
        'download': DownloadUI,
 
86
        'atom': AtomUI,
 
87
        'search': SearchUI,
 
88
        'diff': DiffUI,
 
89
        }
 
90
 
 
91
    def last_updated(self):
 
92
        h = self.get_history()
 
93
        change = h.get_changes([h.last_revid])[0]
 
94
        return change.date
 
95
 
 
96
    def branch_url(self):
 
97
        return self.branch.get_config().get_user_option('public_branch')
 
98
 
 
99
    def app(self, environ, start_response):
 
100
        self._url_base = environ['SCRIPT_NAME']
 
101
        self._static_url_base = environ.get('loggerhead.static.url')
 
102
        if self._static_url_base is None:
 
103
            self._static_url_base = self._url_base
 
104
        self._environ = environ
 
105
        if self.served_url is _DEFAULT:
 
106
            self.served_url = self.url([])
 
107
        path = request.path_info_pop(environ)
 
108
        if not path:
 
109
            raise httpexceptions.HTTPMovedPermanently(
 
110
                self._url_base + '/changes')
 
111
        if path == 'static':
 
112
            return static_app(environ, start_response)
 
113
        cls = self.controllers_dict.get(path)
 
114
        if cls is None:
 
115
            raise httpexceptions.HTTPNotFound()
 
116
        self.branch.lock_read()
 
117
        try:
 
118
            try:
 
119
                c = cls(self, self.get_history)
 
120
                return c(environ, start_response)
 
121
            except:
 
122
                environ['exc_info'] = sys.exc_info()
 
123
                environ['branch'] = self
 
124
                raise
 
125
        finally:
 
126
            self.branch.unlock()