ce10086ca7ea953b05bdc80879d0b72e7408d346
1 # $Id: test_memorydb.py,v 1.4 2004-11-03 01:34:21 richard Exp $
2 '''Implement an in-memory hyperdb for testing purposes.
3 '''
5 import shutil
7 from roundup import hyperdb
8 from roundup import roundupdb
9 from roundup import security
10 from roundup import password
11 from roundup import configuration
12 from roundup.backends import back_anydbm
13 from roundup.backends import indexer_dbm
14 from roundup.backends import indexer_common
15 from roundup.hyperdb import *
17 def new_config():
18 config = configuration.CoreConfig()
19 config.DATABASE = "db"
20 #config.logging = MockNull()
21 # these TRACKER_WEB and MAIL_DOMAIN values are used in mailgw tests
22 config.MAIL_DOMAIN = "your.tracker.email.domain.example"
23 config.TRACKER_WEB = "http://tracker.example/cgi-bin/roundup.cgi/bugs/"
24 return config
26 def create(journaltag, create=True):
27 db = Database(new_config(), journaltag)
29 # load standard schema
30 schema = os.path.join(os.path.dirname(__file__),
31 '../share/roundup/templates/classic/schema.py')
32 vars = dict(globals())
33 vars['db'] = db
34 execfile(schema, vars)
35 initial_data = os.path.join(os.path.dirname(__file__),
36 '../share/roundup/templates/classic/initial_data.py')
37 vars = dict(db=db, admin_email='admin@test.com',
38 adminpw=password.Password('sekrit'))
39 execfile(initial_data, vars)
41 # load standard detectors
42 dirname = os.path.join(os.path.dirname(__file__),
43 '../share/roundup/templates/classic/detectors')
44 for fn in os.listdir(dirname):
45 if not fn.endswith('.py'): continue
46 vars = {}
47 execfile(os.path.join(dirname, fn), vars)
48 vars['init'](db)
50 '''
51 status = Class(db, "status", name=String())
52 status.setkey("name")
53 priority = Class(db, "priority", name=String(), order=String())
54 priority.setkey("name")
55 keyword = Class(db, "keyword", name=String(), order=String())
56 keyword.setkey("name")
57 user = Class(db, "user", username=String(), password=Password(),
58 assignable=Boolean(), age=Number(), roles=String(), address=String(),
59 supervisor=Link('user'),realname=String(),alternate_addresses=String())
60 user.setkey("username")
61 file = FileClass(db, "file", name=String(), type=String(),
62 comment=String(indexme="yes"), fooz=Password())
63 file_nidx = FileClass(db, "file_nidx", content=String(indexme='no'))
64 issue = IssueClass(db, "issue", title=String(indexme="yes"),
65 status=Link("status"), nosy=Multilink("user"), deadline=Date(),
66 foo=Interval(), files=Multilink("file"), assignedto=Link('user'),
67 priority=Link('priority'), spam=Multilink('msg'),
68 feedback=Link('msg'))
69 stuff = Class(db, "stuff", stuff=String())
70 session = Class(db, 'session', title=String())
71 msg = FileClass(db, "msg", date=Date(),
72 author=Link("user", do_journal='no'),
73 files=Multilink('file'), inreplyto=String(),
74 messageid=String(), summary=String(),
75 content=String(),
76 recipients=Multilink("user", do_journal='no')
77 )
78 '''
79 if create:
80 db.user.create(username="fred", roles='User',
81 password=password.Password('sekrit'), address='fred@example.com')
83 db.security.addPermissionToRole('User', 'Email Access')
84 '''
85 db.security.addPermission(name='Register', klass='user')
86 db.security.addPermissionToRole('User', 'Web Access')
87 db.security.addPermissionToRole('Anonymous', 'Email Access')
88 db.security.addPermissionToRole('Anonymous', 'Register', 'user')
89 for cl in 'issue', 'file', 'msg', 'keyword':
90 db.security.addPermissionToRole('User', 'View', cl)
91 db.security.addPermissionToRole('User', 'Edit', cl)
92 db.security.addPermissionToRole('User', 'Create', cl)
93 for cl in 'priority', 'status':
94 db.security.addPermissionToRole('User', 'View', cl)
95 '''
96 return db
98 class cldb(dict):
99 def close(self):
100 pass
102 class BasicDatabase(dict):
103 ''' Provide a nice encapsulation of an anydbm store.
105 Keys are id strings, values are automatically marshalled data.
106 '''
107 def __getitem__(self, key):
108 if key not in self:
109 d = self[key] = {}
110 return d
111 return super(BasicDatabase, self).__getitem__(key)
112 def exists(self, infoid):
113 return infoid in self
114 def get(self, infoid, value, default=None):
115 return self[infoid].get(value, default)
116 def getall(self, infoid):
117 return self[infoid]
118 def set(self, infoid, **newvalues):
119 self[infoid].update(newvalues)
120 def list(self):
121 return self.keys()
122 def destroy(self, infoid):
123 del self[infoid]
124 def commit(self):
125 pass
126 def close(self):
127 pass
128 def updateTimestamp(self, sessid):
129 pass
130 def clean(self):
131 pass
133 class Sessions(BasicDatabase):
134 name = 'sessions'
136 class OneTimeKeys(BasicDatabase):
137 name = 'otks'
139 class Indexer(indexer_dbm.Indexer):
140 def __init__(self, db):
141 indexer_common.Indexer.__init__(self, db)
142 self.reindex = 0
143 self.quiet = 9
144 self.changed = 0
146 def load_index(self, reload=0, wordlist=None):
147 # Unless reload is indicated, do not load twice
148 if self.index_loaded() and not reload:
149 return 0
150 self.words = {}
151 self.files = {'_TOP':(0,None)}
152 self.fileids = {}
153 self.changed = 0
155 def save_index(self):
156 pass
158 class Database(hyperdb.Database, roundupdb.Database):
159 """A database for storing records containing flexible data types.
161 Transaction stuff TODO:
163 - check the timestamp of the class file and nuke the cache if it's
164 modified. Do some sort of conflict checking on the dirty stuff.
165 - perhaps detect write collisions (related to above)?
166 """
167 def __init__(self, config, journaltag=None):
168 self.config, self.journaltag = config, journaltag
169 self.classes = {}
170 self.items = {}
171 self.ids = {}
172 self.journals = {}
173 self.files = {}
174 self.security = security.Security(self)
175 self.stats = {'cache_hits': 0, 'cache_misses': 0, 'get_items': 0,
176 'filtering': 0}
177 self.sessions = Sessions()
178 self.otks = OneTimeKeys()
179 self.indexer = Indexer(self)
182 def filename(self, classname, nodeid, property=None, create=0):
183 shutil.copyfile(__file__, __file__+'.dummy')
184 return __file__+'.dummy'
186 def post_init(self):
187 pass
189 def refresh_database(self):
190 pass
192 def getSessionManager(self):
193 return self.sessions
195 def getOTKManager(self):
196 return self.otks
198 def reindex(self, classname=None, show_progress=False):
199 pass
201 def __repr__(self):
202 return '<memorydb instance at %x>'%id(self)
204 def storefile(self, classname, nodeid, property, content):
205 self.files[classname, nodeid, property] = content
207 def getfile(self, classname, nodeid, property):
208 return self.files[classname, nodeid, property]
210 def numfiles(self):
211 return len(self.files)
213 #
214 # Classes
215 #
216 def __getattr__(self, classname):
217 """A convenient way of calling self.getclass(classname)."""
218 if self.classes.has_key(classname):
219 return self.classes[classname]
220 raise AttributeError, classname
222 def addclass(self, cl):
223 cn = cl.classname
224 if self.classes.has_key(cn):
225 raise ValueError, cn
226 self.classes[cn] = cl
227 self.items[cn] = cldb()
228 self.ids[cn] = 0
230 # add default Edit and View permissions
231 self.security.addPermission(name="Create", klass=cn,
232 description="User is allowed to create "+cn)
233 self.security.addPermission(name="Edit", klass=cn,
234 description="User is allowed to edit "+cn)
235 self.security.addPermission(name="View", klass=cn,
236 description="User is allowed to access "+cn)
238 def getclasses(self):
239 """Return a list of the names of all existing classes."""
240 l = self.classes.keys()
241 l.sort()
242 return l
244 def getclass(self, classname):
245 """Get the Class object representing a particular class.
247 If 'classname' is not a valid class name, a KeyError is raised.
248 """
249 try:
250 return self.classes[classname]
251 except KeyError:
252 raise KeyError, 'There is no class called "%s"'%classname
254 #
255 # Class DBs
256 #
257 def clear(self):
258 self.items = {}
260 def getclassdb(self, classname):
261 """ grab a connection to the class db that will be used for
262 multiple actions
263 """
264 return self.items[classname]
266 #
267 # Node IDs
268 #
269 def newid(self, classname):
270 self.ids[classname] += 1
271 return str(self.ids[classname])
273 #
274 # Nodes
275 #
276 def addnode(self, classname, nodeid, node):
277 self.getclassdb(classname)[nodeid] = node
279 def setnode(self, classname, nodeid, node):
280 self.getclassdb(classname)[nodeid] = node
282 def getnode(self, classname, nodeid, db=None):
283 if db is not None:
284 return db[nodeid]
285 return self.getclassdb(classname)[nodeid]
287 def destroynode(self, classname, nodeid):
288 del self.getclassdb(classname)[nodeid]
290 def hasnode(self, classname, nodeid):
291 return nodeid in self.getclassdb(classname)
293 def countnodes(self, classname, db=None):
294 return len(self.getclassdb(classname))
296 #
297 # Journal
298 #
299 def addjournal(self, classname, nodeid, action, params, creator=None,
300 creation=None):
301 if creator is None:
302 creator = self.getuid()
303 if creation is None:
304 creation = date.Date()
305 self.journals.setdefault(classname, {}).setdefault(nodeid,
306 []).append((nodeid, creation, creator, action, params))
308 def setjournal(self, classname, nodeid, journal):
309 self.journals.setdefault(classname, {})[nodeid] = journal
311 def getjournal(self, classname, nodeid):
312 return self.journals.get(classname, {}).get(nodeid, [])
314 def pack(self, pack_before):
315 TODO
317 #
318 # Basic transaction support
319 #
320 def commit(self, fail_ok=False):
321 pass
323 def rollback(self):
324 TODO
326 def close(self):
327 pass
329 class Class(back_anydbm.Class):
330 def getnodeids(self, db=None, retired=None):
331 return self.db.getclassdb(self.classname).keys()
333 class FileClass(back_anydbm.Class):
334 def __init__(self, db, classname, **properties):
335 if not properties.has_key('content'):
336 properties['content'] = hyperdb.String(indexme='yes')
337 if not properties.has_key('type'):
338 properties['type'] = hyperdb.String()
339 back_anydbm.Class.__init__(self, db, classname, **properties)
341 def getnodeids(self, db=None, retired=None):
342 return self.db.getclassdb(self.classname).keys()
344 # deviation from spec - was called ItemClass
345 class IssueClass(Class, roundupdb.IssueClass):
346 # Overridden methods:
347 def __init__(self, db, classname, **properties):
348 """The newly-created class automatically includes the "messages",
349 "files", "nosy", and "superseder" properties. If the 'properties'
350 dictionary attempts to specify any of these properties or a
351 "creation" or "activity" property, a ValueError is raised.
352 """
353 if not properties.has_key('title'):
354 properties['title'] = hyperdb.String(indexme='yes')
355 if not properties.has_key('messages'):
356 properties['messages'] = hyperdb.Multilink("msg")
357 if not properties.has_key('files'):
358 properties['files'] = hyperdb.Multilink("file")
359 if not properties.has_key('nosy'):
360 # note: journalling is turned off as it really just wastes
361 # space. this behaviour may be overridden in an instance
362 properties['nosy'] = hyperdb.Multilink("user", do_journal="no")
363 if not properties.has_key('superseder'):
364 properties['superseder'] = hyperdb.Multilink(classname)
365 Class.__init__(self, db, classname, **properties)
367 # vim: set et sts=4 sw=4 :