Mercurial > piecrust2
annotate piecrust/plugins/base.py @ 147:ab6e7e0e9d44
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| author | Ludovic Chabant <ludovic@chabant.com> |
|---|---|
| date | Sat, 29 Nov 2014 21:00:44 -0800 |
| parents | 343d08ef5668 |
| children | 5dbab01daaba |
| rev | line source |
|---|---|
| 0 | 1 import os |
| 2 | |
| 3 | |
| 4 class PieCrustPlugin(object): | |
| 5 def getFormatters(self): | |
| 6 return [] | |
| 7 | |
| 8 def getTemplateEngines(self): | |
| 9 return [] | |
| 10 | |
| 11 def getDataProviders(self): | |
| 12 return [] | |
| 13 | |
| 14 def getFileSystems(self): | |
| 15 return [] | |
| 16 | |
| 17 def getProcessors(self): | |
| 18 return [] | |
| 19 | |
| 20 def getImporters(self): | |
| 21 return [] | |
| 22 | |
| 23 def getCommands(self): | |
| 24 return [] | |
| 25 | |
|
3
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
26 def getCommandExtensions(self): |
|
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
27 return [] |
|
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
28 |
| 0 | 29 def getRepositories(self): |
| 30 return [] | |
| 31 | |
| 32 def getBakerAssistants(self): | |
| 33 return [] | |
| 34 | |
|
3
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
35 def getSources(self): |
|
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
36 return [] |
|
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
37 |
| 0 | 38 def initialize(self, app): |
| 39 pass | |
| 40 | |
| 41 | |
| 42 class PluginLoader(object): | |
| 43 def __init__(self, app): | |
| 44 self.app = app | |
| 45 self._plugins = None | |
| 46 self._pluginsMeta = None | |
| 47 self._componentCache = {} | |
| 48 | |
| 49 @property | |
| 50 def plugins(self): | |
| 51 self._ensureLoaded() | |
| 52 return self._plugins | |
| 53 | |
| 54 def getFormatters(self): | |
| 55 return self._getPluginComponents('getFormatters', True, | |
| 56 order_key=lambda f: f.priority) | |
| 57 | |
| 58 def getTemplateEngines(self): | |
| 59 return self._getPluginComponents('getTemplateEngines', True) | |
| 60 | |
| 61 def getDataProviders(self): | |
| 62 return self._getPluginComponents('getDataProviders') | |
| 63 | |
| 64 def getFileSystems(self): | |
| 65 return self._getPluginComponents('getFileSystems') | |
| 66 | |
| 67 def getProcessors(self): | |
| 68 return self._getPluginComponents('getProcessors', True, | |
| 69 order_key=lambda p: p.priority) | |
| 70 | |
| 71 def getImporters(self): | |
| 72 return self._getPluginComponents('getImporters') | |
| 73 | |
| 74 def getCommands(self): | |
| 75 return self._getPluginComponents('getCommands') | |
| 76 | |
|
3
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
77 def getCommandExtensions(self): |
|
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
78 return self._getPluginComponents('getCommandExtensions') |
|
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
79 |
| 0 | 80 def getRepositories(self): |
| 81 return self._getPluginComponents('getRepositories', True) | |
| 82 | |
| 83 def getBakerAssistants(self): | |
| 84 return self._getPluginComponents('getBakerAssistants') | |
| 85 | |
|
3
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
86 def getSources(self): |
|
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
87 return self._getPluginComponents('getSources') |
|
f485ba500df3
Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
1
diff
changeset
|
88 |
| 0 | 89 def _ensureLoaded(self): |
| 90 if self._plugins is not None: | |
| 91 return | |
| 92 | |
|
1
aaa8fb7c8918
Re-arranged modules to reduce dependencies to builtin stuff.
Ludovic Chabant <ludovic@chabant.com>
parents:
0
diff
changeset
|
93 from piecrust.plugins.builtin import BuiltInPlugin |
| 0 | 94 self._plugins = [BuiltInPlugin()] |
| 95 self._pluginsMeta = {self._plugins[0].name: False} | |
| 96 | |
| 97 for d in self.app.plugins_dirs: | |
| 98 _, dirs, __ = next(os.walk(d)) | |
| 99 for dd in dirs: | |
| 100 self._loadPlugin(os.path.join(d, dd)) | |
| 101 | |
| 102 for plugin in self._plugins: | |
| 103 plugin.initialize(self.app) | |
| 104 | |
| 105 def _loadPlugin(self, plugin_dir): | |
| 106 pass | |
| 107 | |
|
7
343d08ef5668
More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
Ludovic Chabant <ludovic@chabant.com>
parents:
3
diff
changeset
|
108 def _getPluginComponents(self, name, initialize=False, order_key=None): |
| 0 | 109 if name in self._componentCache: |
| 110 return self._componentCache[name] | |
| 111 | |
| 112 all_components = [] | |
| 113 for plugin in self.plugins: | |
| 114 plugin_components = getattr(plugin, name)() | |
| 115 all_components += plugin_components | |
| 116 if initialize: | |
| 117 for comp in plugin_components: | |
| 118 comp.initialize(self.app) | |
| 119 | |
|
7
343d08ef5668
More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
Ludovic Chabant <ludovic@chabant.com>
parents:
3
diff
changeset
|
120 if order_key is not None: |
|
343d08ef5668
More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
Ludovic Chabant <ludovic@chabant.com>
parents:
3
diff
changeset
|
121 all_components.sort(key=order_key) |
| 0 | 122 |
| 123 self._componentCache[name] = all_components | |
| 124 return all_components | |
| 125 |