lars
de3280806f
plugin interface changed ("prepareForm" removed)
plugins do not raise exceptions anymore
first part of the partitioning plugin
device-specific stuff moved to CryptoBoxTools
81 lines
2.3 KiB
Python
81 lines
2.3 KiB
Python
# $Id$
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import imp
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import os
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import logging
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class PluginManager:
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"""manage available plugins"""
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def __init__(self, plugin_dirs=None):
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self.log = logging.getLogger("CryptoBox")
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if hasattr(plugin_dirs, "__iter__"):
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self.plugin_dirs = [os.path.abspath(dir) for dir in plugin_dirs]
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else:
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self.plugin_dirs = [os.path.abspath(plugin_dirs)]
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def allPlugins(self):
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for plfile in self.__getPluginFiles():
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yield os.path.basename(plfile)[:-3]
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def getPlugin(self, name):
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for plfile in self.__getPluginFiles():
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if name == os.path.basename(plfile)[:-3]:
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return imp.load_source(name, plfile)
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else:
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return None
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def getTemplateFileName(self, plname, template_name):
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"""return the name of the template file, if it is part of the mentioned plugin
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"""
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result = [os.path.join(os.path.dirname(cur_file), template_name + ".cs")
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for cur_file in self.__getPluginFiles()
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if plname == os.path.basename(cur_file)[:-3]]
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for templ_file in result:
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if os.access(templ_file, os.R_OK) and os.path.isfile(templ_file):
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return templ_file
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else:
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return None
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def loadLanguageData(self, hdf, lang="en"):
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import neo_cgi, neo_util
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for plfile in self.__getPluginFiles():
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plname = os.path.basename(plfile)[:-3]
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langdir = os.path.join(os.path.dirname(plfile), "lang")
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selected_langfile = os.path.join(langdir, lang + ".hdf")
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default_langfile = os.path.join(langdir, "en.hdf")
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for langfile in (selected_langfile, default_langfile):
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if os.access(langfile, os.R_OK):
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self.log.debug("Loading plugin language file: %s" % langfile)
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lang_hdf = neo_util.HDF()
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lang_hdf.readFile(langfile)
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## add the language data below "Lang.Plugins.PLUGINNAME"
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hdf.copy("Lang.Plugins." + plname, lang_hdf)
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break
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else:
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self.log.debug("Couldn't find a plugin language file (%s)" % default_langfile)
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def __getPluginFiles(self):
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result = []
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for dir in [os.path.abspath(e) for e in self.plugin_dirs if os.access(e, os.R_OK) and os.path.isdir(e)]:
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for plname in [f for f in os.listdir(dir)]:
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pldir = os.path.join(dir, plname)
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plfile = os.path.join(pldir, plname + ".py")
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if os.path.isfile(plfile) and os.access(plfile, os.R_OK):
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result.append(plfile)
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return result
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if __name__ == "__main__":
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x = PluginManager("../plugins")
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for a in x.allPlugins():
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print "Plugin: %s" % a
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print x.getPlugin(a).getStatus()
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