gettext interface cleaned up
error handling improved
This commit is contained in:
parent
d1c4835d8e
commit
210c27a495
7 changed files with 102 additions and 92 deletions
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@ -203,21 +203,6 @@ class CryptoBoxProps(CryptoBox):
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return None
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def getAvailableLanguages(self):
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'''reads all files in path LangDir and returns a list of
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basenames from existing hdf files, that should are all available
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languages'''
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# TODO: for now we hardcode it - change this!
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return "en fr si de".split(" ")
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# TODO: old implementation (before gettext) - remove it
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languages = [ f.rstrip(".hdf")
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for f in os.listdir(self.prefs["Locations"]["LangDir"])
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if f.endswith(".hdf") ]
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if len(languages) < 1:
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self.log.error("No .hdf files found! The website won't render properly.")
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return languages
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def sendEventNotification(self, event, event_infos):
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"""call all available scripts in the event directory with some event information"""
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event_dir = self.prefs["Locations"]["EventDir"]
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@ -355,7 +355,7 @@ DefaultVolumePrefix = string(min=1)
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DefaultCipher = string(default="aes-cbc-essiv:sha256")
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ConfigVolumeLabel = string(min=1, default="cbox_config")
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UseConfigPartition = integer(min=0, max=1, default=0)
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DisabledPlugins = list(default=[])
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DisabledPlugins = list(default=list())
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[Locations]
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MountParentDir = directoryExists(default="/var/cache/cryptobox-server/mnt")
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@ -373,7 +373,7 @@ Details = string(min=1)
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[WebSettings]
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Stylesheet = string(min=1)
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Language = string(min=1, default="en")
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Languages = list(min=1,default=list("en"))
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[Programs]
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cryptsetup = fileExecutable(default="/sbin/cryptsetup")
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@ -29,11 +29,12 @@ class CryptoBoxPlugin:
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fallbackIconFileName = "plugin_icon_unknown.gif"
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def __init__(self, cbox, pluginDir):
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def __init__(self, cbox, pluginDir, siteClass=None):
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self.cbox = cbox
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self.hdf = {}
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self.pluginDir = pluginDir
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self.hdf_prefix = "Data.Plugins.%s." % self.getName()
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self.site = siteClass
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@ -8,9 +8,10 @@ import logging
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class PluginManager:
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"""manage available plugins"""
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def __init__(self, cbox, plugin_dirs="."):
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def __init__(self, cbox, plugin_dirs=".", siteClass=None):
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self.cbox = cbox
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self.log = logging.getLogger("CryptoBox")
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self.site = siteClass
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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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@ -43,7 +44,7 @@ class PluginManager:
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pl_class = getattr(imp.load_source(name, plfile), name)
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except AttributeError:
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return None
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return pl_class(self.cbox, os.path.dirname(plfile))
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return pl_class(self.cbox, os.path.dirname(plfile), self.site)
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else:
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return None
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@ -22,13 +22,19 @@ class WebInterfaceDataset(dict):
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def setCryptoBoxState(self):
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import cherrypy
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import cryptobox.core.main
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import cryptobox.web.languages
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self["Data.Version"] = cryptobox.core.main.VERSION
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langs = self.cbox.getAvailableLanguages()
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langs = self.cbox.prefs["WebSettings"]["Languages"]
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langs.sort()
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for (index, lang) in enumerate(langs):
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self.cbox.log.info("language loaded: %s" % lang)
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self["Data.Languages.%d.name" % index] = lang
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self["Data.Languages.%d.link" % index] = self.__getLanguageName(lang)
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try:
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(langname, plural_info) = cryptobox.web.languages.LANGUAGE_INFO[lang]
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self["Data.Languages.%d.link" % index] = langname
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self["Data.Languages.%d.name" % index] = lang
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self.cbox.log.info("language loaded: %s" % lang)
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except KeyError:
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## language was not found
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self.cbox.log.warn("invalid language specified in configuration: %s" % lang)
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try:
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self["Data.ScriptURL.Prot"] = cherrypy.request.scheme
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host = cherrypy.request.headers["Host"]
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@ -122,7 +128,7 @@ class WebInterfaceDataset(dict):
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self["Settings.LanguageDir"] = os.path.abspath(self.prefs["Locations"]["LangDir"])
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self["Settings.DocDir"] = os.path.abspath(self.prefs["Locations"]["DocDir"])
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self["Settings.Stylesheet"] = self.prefs["WebSettings"]["Stylesheet"]
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self["Settings.Language"] = self.prefs["WebSettings"]["Language"]
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self["Settings.Language"] = self.prefs["WebSettings"]["Languages"][0]
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self["Settings.PluginDir"] = self.prefs["Locations"]["PluginDir"]
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self["Settings.SettingsDir"] = self.prefs["Locations"]["SettingsDir"]
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23
src/cryptobox/web/languages.py
Normal file
23
src/cryptobox/web/languages.py
Normal file
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@ -0,0 +1,23 @@
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"""supply information about existing languages
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"""
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## every language information should contain (name, pluralformat)
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LANGUAGE_INFO = {
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"cs": ('Český', ('3', '(n==1) ? 0 : (n>=2 && n< =4) ? 1 : 2')),
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"da": ('Dansk', ('2', '(n != 1)')),
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"de": ('Deutsch', ('2', '(n != 1)')),
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"en": ('English', ('2', '(n != 1)')),
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"es": ('Español', ('2', '(n != 1)')),
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"fi": ('Suomi', ('2', '(n != 1)')),
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"fr": ('Français', ('2', '(n != 1)')),
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"hu": ('Magyar', ('1', '0')),
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"it": ('Italiano', ('2', '(n != 1)')),
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"ja": ('日本語', ('1', '0')),
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"nl": ('Nederlands', ('2', '(n != 1)')),
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"pl": ('Polski', ('3', '(n==1 ? 0 : n%10>=2 && n%10< =4 && (n%100<10 || n%100>=20) ? 1 : 2)')),
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"pt": ('Português', ('2', '(n != 1)')),
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"ru": ('Русский', ('3', '(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10< =4 && (n%100<10 || n%100>=20) ? 1 : 2)')),
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"sl": ('Slovensko', ('4', '(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n%100==4 ? 2 : 3)')),
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"sv": ('Svenska', ('2', '(n != 1)')),
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}
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@ -46,6 +46,8 @@ class WebInterfaceSites:
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self.__resetDataset()
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## store the original http error handler
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self._cp_on_http_error = self.newHTTPErrorHandler
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## set initial language order
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self.langOrder = self.cbox.prefs["WebSettings"]["Languages"]
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def __resetDataset(self):
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@ -64,7 +66,7 @@ class WebInterfaceSites:
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def __loadPlugins(self):
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self.pluginList = cryptobox.plugins.manage.PluginManager(self.cbox, self.prefs["Locations"]["PluginDir"])
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self.pluginList = cryptobox.plugins.manage.PluginManager(self.cbox, self.prefs["Locations"]["PluginDir"], self)
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for plugin in self.pluginList.getPlugins():
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if not plugin: continue
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plname = plugin.getName()
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@ -134,6 +136,14 @@ class WebInterfaceSites:
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return self.return_plugin_action(self.pluginList.getPlugin("disks"))(**param_dict)
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def newHTTPErrorHandler(self, errorCode, message):
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"""handle http errors gracefully
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404 - not found errors: ignored if url is below /cryptobox-misc/
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other 404 errors: send the error code and return a nice informative page
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500 - runtime errors: return "ok" exit code and show a polite excuse
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others: are there any other possible http errors?
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"""
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import traceback, sys
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## we ignore uninteresting not-found errors
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if (errorCode == 404) and \
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(cherrypy.request.path.startswith("/cryptobox-misc/") or \
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@ -151,8 +161,10 @@ class WebInterfaceSites:
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if errorCode == 500:
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## we fix the error code (200 is "OK")
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cherrypy.response.status = 200
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## TODO: 'message' is None - we should check a stack trace or something?
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self.cbox.log.warn("HTTP-ERROR[500] - a runtime error occoured: %s" % str(message))
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self.cbox.log.error("HTTP-ERROR[500] - a runtime error occoured: %s" % str(message))
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## add a traceback and exception information to the lo
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for a in traceback.format_exception(*sys.exc_info()):
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self.cbox.log.error("\t%s" % a)
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self.dataset["Data.Warning"] = "RuntimeError"
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cherrypy.response.body = self.__render("empty")
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return
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@ -285,7 +297,8 @@ class WebInterfaceSites:
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examples are: non-https, readonly-config, ...
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"""
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## TODO: maybe add an option "mount" (if it is available, but inactive)?
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## this check is done _after_ "resetDataSet" -> a possible config partition was
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## loaded before
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if self.cbox.prefs.requiresPartition() and not self.cbox.prefs.getActivePartition():
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self.dataset["Data.EnvironmentWarning"] = "ReadOnlyConfig"
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# TODO: turn this on soon (add "not") - for now it is annoying
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@ -311,31 +324,28 @@ class WebInterfaceSites:
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def __setWebLang(self, value):
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guess = value
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availLangs = self.cbox.getAvailableLanguages()
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## no language specified: check browser language
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if not guess:
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guess = self.__getPreferredBrowserLanguage(availLangs)
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## no preferred language or invalid language?
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if not guess \
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or not guess in availLangs \
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or re.search(u'\W', guess):
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## warn only for invalid languages
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if not guess is None:
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self.cbox.log.info("invalid language choosen: %s" % guess)
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guess = self.prefs["WebSettings"]["Language"]
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## maybe the language is still not valid
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if not guess in availLangs:
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self.log.warn("the configured language is invalid: %s" % guess)
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guess = "en"
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## maybe there is no english dataset???
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if not guess in availLangs:
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self.log.warn("couldn't find the english dataset")
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guess = availLangs[0]
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self.dataset["Settings.Language"] = guess
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## we only have to save it, if it was specified correctly and explicitly
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if value == guess:
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self.dataset["Settings.LinkAttrs.weblang"] = guess
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"""set the preferred priority of languages according to the following order:
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1. language selected via web interface
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2. preferred browser language setting
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3. languages defined in the config file
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"""
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## start with the configured language order
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langOrder = self.cbox.prefs["WebSettings"]["Languages"][:]
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## put the preferred browser language in front
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guess = self.__getPreferredBrowserLanguage(langOrder)
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if guess:
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langOrder.remove(guess)
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langOrder.insert(0,guess)
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## is the chosen language (via web interface) valid? - put it in front
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if value and (value in langOrder) and (not re.search(u'\W',value)):
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langOrder.remove(value)
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langOrder.insert(0,value)
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elif value:
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self.cbox.log.info("invalid language selected: %s" % value)
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## store current language setting
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self.langOrder = langOrder
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self.dataset["Settings.Language"] = langOrder[0]
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self.dataset["Settings.LinkAttrs.weblang"] = langOrder[0]
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def __getPreferredBrowserLanguage(self, availLangs):
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@ -366,6 +376,8 @@ class WebInterfaceSites:
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def __setDevice(self, device):
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"""check a device name that was chosen via the web interface
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issue a warning if the device is invalid"""
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if device and re.match(u'[\w /\-]+$', device) and self.cbox.getContainer(device):
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self.log.debug("select device: %s" % device)
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return True
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@ -375,19 +387,10 @@ class WebInterfaceSites:
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return False
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def __checkVolumeName(self, name):
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if name and re.match(u'[\w \-]+$', name):
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return True
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else:
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return False
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def __getLanguageValue(self, value):
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hdf = self.__getLanguageData(self.dataset["Settings.Language"])
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return hdf.getValue(value, "")
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def __substituteGettext(self, languages, textDomain, hdf):
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"""substitute all texts in the hdf dataset with their translated
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counterparts as returned by gettext
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"""
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import gettext
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try:
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translator = gettext.translation(textDomain, languages=languages)
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@ -407,41 +410,32 @@ class WebInterfaceSites:
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walk_tree(hdf)
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def __getLanguageData(self, web_lang="en"):
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def __getLanguageData(self):
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"""return the hdf dataset of the main interface and all plugins
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translations are done according to self.langOrder
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"""
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## check if the language setting was changed - use cached data if possible
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try:
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if self.cachedLanguageData["langOrder"] == self.langOrder:
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self.cbox.log.debug("using cached language data")
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return self.cachedLanguageData["hdf"]
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except AttributeError:
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pass
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self.cbox.log.debug("generating language data")
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hdf = neo_util.HDF()
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hdf.readFile(os.path.join(self.prefs["Locations"]["TemplateDir"],"language.hdf"))
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self.__substituteGettext([web_lang], GETTEXT_DOMAIN, hdf)
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self.__substituteGettext(self.langOrder, GETTEXT_DOMAIN, hdf)
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## load the language data of all plugins
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for p in self.pluginList.getPlugins():
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pl_lang = p.getLanguageData()
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self.__substituteGettext([web_lang], "%s-feature-%s" % (GETTEXT_DOMAIN, p.getName()), pl_lang)
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self.__substituteGettext(self.langOrder, "%s-feature-%s" % (GETTEXT_DOMAIN, p.getName()), pl_lang)
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hdf.copy("Plugins.%s" % p.getName(), pl_lang)
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self.cbox.log.debug("language data for plugin loaded: %s" % p.getName())
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## cache result for later retrieval
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self.cachedLanguageData = {"langOrder": self.langOrder, "hdf": hdf}
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return hdf
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def __getLanguageData2(self, web_lang="en"):
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default_lang = "en"
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conf_lang = self.prefs["WebSettings"]["Language"]
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hdf = neo_util.HDF()
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langDir = os.path.abspath(self.prefs["Locations"]["LangDir"])
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langFiles = []
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## first: read default language (en)
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if (default_lang != conf_lang) and (default_lang != web_lang):
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langFiles.append(os.path.join(langDir, default_lang + ".hdf"))
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## second: read language as defined in the config file
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if (conf_lang != web_lang):
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langFiles.append(os.path.join(langDir, conf_lang + ".hdf"))
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## third: read language as configured via web interface
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langFiles.append(os.path.join(langDir, web_lang + ".hdf"))
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for langFile in langFiles:
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if os.access(langFile, os.R_OK):
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hdf.readFile(langFile)
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else:
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log.warn("Couldn't read language file: %s" % langFile)
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return hdf
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def __render(self, renderInfo, plugin=None):
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'''renders from clearsilver templates and returns the resulting html
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'''
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@ -457,7 +451,7 @@ class WebInterfaceSites:
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## load the language data
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hdf = neo_util.HDF()
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hdf.copy("Lang", self.__getLanguageData(self.dataset["Settings.Language"]))
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hdf.copy("Lang", self.__getLanguageData())
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## first: assume, that the template file is in the global template directory
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self.dataset["Settings.TemplateFile"] = os.path.abspath(os.path.join(self.prefs["Locations"]["TemplateDir"], template + ".cs"))
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