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comparison roundup/instance.py @ 2890:938915fbcb49

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get_backend_name() is a lengthy thing (file I/O). since we are not going to do backend switching at runtime, compute the backend once in __init__().
author Alexander Smishlajev <a1s@users.sourceforge.net>
date Wed, 10 Nov 2004 08:05:21 +0000
parents adec352e2ce0
children bc72b1c7319b
comparison
equal deleted inserted replaced
2889:accb3b411ef6 2890:938915fbcb49
13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS" 14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE, 15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
17 # 17 #
18 # $Id: instance.py,v 1.28 2004-11-03 01:34:21 richard Exp $ 18 # $Id: instance.py,v 1.29 2004-11-10 08:05:21 a1s Exp $
19 19
20 '''Tracker handling (open tracker). 20 '''Tracker handling (open tracker).
21 21
22 Backwards compatibility for the old-style "imported" trackers. 22 Backwards compatibility for the old-style "imported" trackers.
23 ''' 23 '''
48 self.config = configuration.CoreConfig(tracker_home) 48 self.config = configuration.CoreConfig(tracker_home)
49 self.cgi_actions = {} 49 self.cgi_actions = {}
50 self.templating_utils = {} 50 self.templating_utils = {}
51 self.load_interfaces() 51 self.load_interfaces()
52 self.templates = templating.Templates(self.config["TEMPLATES"]) 52 self.templates = templating.Templates(self.config["TEMPLATES"])
53 self.backend = backends.get_backend(self.get_backend_name())
53 if self.optimize: 54 if self.optimize:
54 self.templates.precompileTemplates() 55 self.templates.precompileTemplates()
55 56
56 def get_backend_name(self): 57 def get_backend_name(self):
57 o = __builtins__['open'] 58 o = __builtins__['open']
58 f = o(os.path.join(self.tracker_home, 'db', 'backend_name')) 59 f = o(os.path.join(self.tracker_home, 'db', 'backend_name'))
59 name = f.readline().strip() 60 name = f.readline().strip()
60 f.close() 61 f.close()
61 return name 62 return name
62 63
63 def get_backend(self):
64 return backends.get_backend(self.get_backend_name())
65
66 def open(self, name=None): 64 def open(self, name=None):
67 backend = self.get_backend() 65 backend = self.backend
68 vars = { 66 vars = {
69 'Class': backend.Class, 67 'Class': backend.Class,
70 'FileClass': backend.FileClass, 68 'FileClass': backend.FileClass,
71 'IssueClass': backend.IssueClass, 69 'IssueClass': backend.IssueClass,
72 'String': hyperdb.String, 70 'String': hyperdb.String,
112 'admin_email': self.config['ADMIN_EMAIL']}) 110 'admin_email': self.config['ADMIN_EMAIL']})
113 db.commit() 111 db.commit()
114 db.close() 112 db.close()
115 113
116 def exists(self): 114 def exists(self):
117 backend = self.get_backend() 115 return self.backend.db_exists(self.config)
118 return backend.db_exists(self.config)
119 116
120 def nuke(self): 117 def nuke(self):
121 backend = self.get_backend() 118 self.backend.db_nuke(self.config)
122 backend.db_nuke(self.config)
123 119
124 def _load_python(self, file, vars): 120 def _load_python(self, file, vars):
125 file = os.path.join(self.tracker_home, file) 121 file = os.path.join(self.tracker_home, file)
126 execfile(file, vars) 122 execfile(file, vars)
127 return vars 123 return vars
180 raise TrackerError, \ 176 raise TrackerError, \
181 'Required tracker attribute "%s" missing'%required 177 'Required tracker attribute "%s" missing'%required
182 178
183 # load and apply the config 179 # load and apply the config
184 tracker.config = configuration.CoreConfig(tracker_home) 180 tracker.config = configuration.CoreConfig(tracker_home)
185 # FIXME! dbinit does "import config".
186 # What would be the upgrade plan for existing trackers?
187 tracker.dbinit.config = tracker.config 181 tracker.dbinit.config = tracker.config
188 182
189 tracker.optimize = optimize 183 tracker.optimize = optimize
190 tracker.templates = templating.Templates(tracker.config["TEMPLATES"]) 184 tracker.templates = templating.Templates(tracker.config["TEMPLATES"])
191 if optimize: 185 if optimize:
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