mirror of
https://github.com/morpheus65535/bazarr
synced 2024-12-25 09:12:38 +00:00
417 lines
16 KiB
Python
417 lines
16 KiB
Python
"""
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Complete implementation of the XDG Desktop Entry Specification Version 0.9.4
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http://standards.freedesktop.org/desktop-entry-spec/
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Not supported:
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- Encoding: Legacy Mixed
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- Does not check exec parameters
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- Does not check URL's
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- Does not completly validate deprecated/kde items
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- Does not completly check categories
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"""
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from xdg.IniFile import IniFile, is_ascii
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import xdg.Locale
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from xdg.Exceptions import ParsingError
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import os.path
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import re
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import warnings
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class DesktopEntry(IniFile):
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"Class to parse and validate Desktop Entries"
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defaultGroup = 'Desktop Entry'
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def __init__(self, filename=None):
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"""Create a new DesktopEntry
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If filename exists, it will be parsed as a desktop entry file. If not,
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or if filename is None, a blank DesktopEntry is created.
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"""
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self.content = dict()
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if filename and os.path.exists(filename):
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self.parse(filename)
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elif filename:
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self.new(filename)
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def __str__(self):
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return self.getName()
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def parse(self, file):
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"""Parse a desktop entry file."""
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IniFile.parse(self, file, ["Desktop Entry", "KDE Desktop Entry"])
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# start standard keys
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def getType(self):
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return self.get('Type')
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def getVersion(self):
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"""deprecated, use getVersionString instead """
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return self.get('Version', type="numeric")
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def getVersionString(self):
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return self.get('Version')
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def getName(self):
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return self.get('Name', locale=True)
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def getGenericName(self):
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return self.get('GenericName', locale=True)
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def getNoDisplay(self):
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return self.get('NoDisplay', type="boolean")
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def getComment(self):
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return self.get('Comment', locale=True)
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def getIcon(self):
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return self.get('Icon', locale=True)
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def getHidden(self):
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return self.get('Hidden', type="boolean")
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def getOnlyShowIn(self):
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return self.get('OnlyShowIn', list=True)
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def getNotShowIn(self):
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return self.get('NotShowIn', list=True)
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def getTryExec(self):
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return self.get('TryExec')
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def getExec(self):
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return self.get('Exec')
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def getPath(self):
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return self.get('Path')
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def getTerminal(self):
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return self.get('Terminal', type="boolean")
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def getMimeType(self):
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"""deprecated, use getMimeTypes instead """
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return self.get('MimeType', list=True, type="regex")
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def getMimeTypes(self):
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return self.get('MimeType', list=True)
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def getCategories(self):
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return self.get('Categories', list=True)
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def getStartupNotify(self):
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return self.get('StartupNotify', type="boolean")
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def getStartupWMClass(self):
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return self.get('StartupWMClass')
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def getURL(self):
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return self.get('URL')
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# end standard keys
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# start kde keys
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def getServiceTypes(self):
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return self.get('ServiceTypes', list=True)
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def getDocPath(self):
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return self.get('DocPath')
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def getKeywords(self):
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return self.get('Keywords', list=True, locale=True)
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def getInitialPreference(self):
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return self.get('InitialPreference')
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def getDev(self):
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return self.get('Dev')
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def getFSType(self):
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return self.get('FSType')
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def getMountPoint(self):
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return self.get('MountPoint')
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def getReadonly(self):
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return self.get('ReadOnly', type="boolean")
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def getUnmountIcon(self):
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return self.get('UnmountIcon', locale=True)
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# end kde keys
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# start deprecated keys
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def getMiniIcon(self):
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return self.get('MiniIcon', locale=True)
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def getTerminalOptions(self):
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return self.get('TerminalOptions')
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def getDefaultApp(self):
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return self.get('DefaultApp')
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def getProtocols(self):
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return self.get('Protocols', list=True)
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def getExtensions(self):
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return self.get('Extensions', list=True)
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def getBinaryPattern(self):
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return self.get('BinaryPattern')
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def getMapNotify(self):
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return self.get('MapNotify')
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def getEncoding(self):
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return self.get('Encoding')
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def getSwallowTitle(self):
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return self.get('SwallowTitle', locale=True)
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def getSwallowExec(self):
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return self.get('SwallowExec')
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def getSortOrder(self):
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return self.get('SortOrder', list=True)
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def getFilePattern(self):
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return self.get('FilePattern', type="regex")
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def getActions(self):
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return self.get('Actions', list=True)
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# end deprecated keys
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# desktop entry edit stuff
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def new(self, filename):
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"""Make this instance into a new desktop entry.
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If filename has a .desktop extension, Type is set to Application. If it
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has a .directory extension, Type is Directory.
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"""
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if os.path.splitext(filename)[1] == ".desktop":
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type = "Application"
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elif os.path.splitext(filename)[1] == ".directory":
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type = "Directory"
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else:
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raise ParsingError("Unknown extension", filename)
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self.content = dict()
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self.addGroup(self.defaultGroup)
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self.set("Type", type)
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self.filename = filename
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# end desktop entry edit stuff
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# validation stuff
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def checkExtras(self):
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# header
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if self.defaultGroup == "KDE Desktop Entry":
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self.warnings.append('[KDE Desktop Entry]-Header is deprecated')
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# file extension
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if self.fileExtension == ".kdelnk":
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self.warnings.append("File extension .kdelnk is deprecated")
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elif self.fileExtension != ".desktop" and self.fileExtension != ".directory":
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self.warnings.append('Unknown File extension')
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# Type
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try:
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self.type = self.content[self.defaultGroup]["Type"]
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except KeyError:
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self.errors.append("Key 'Type' is missing")
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# Name
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try:
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self.name = self.content[self.defaultGroup]["Name"]
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except KeyError:
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self.errors.append("Key 'Name' is missing")
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def checkGroup(self, group):
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# check if group header is valid
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if not (group == self.defaultGroup \
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or re.match("^Desktop Action [a-zA-Z0-9\-]+$", group) \
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or (re.match("^X-", group) and is_ascii(group))):
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self.errors.append("Invalid Group name: %s" % group)
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else:
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#OnlyShowIn and NotShowIn
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if ("OnlyShowIn" in self.content[group]) and ("NotShowIn" in self.content[group]):
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self.errors.append("Group may either have OnlyShowIn or NotShowIn, but not both")
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def checkKey(self, key, value, group):
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# standard keys
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if key == "Type":
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if value == "ServiceType" or value == "Service" or value == "FSDevice":
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self.warnings.append("Type=%s is a KDE extension" % key)
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elif value == "MimeType":
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self.warnings.append("Type=MimeType is deprecated")
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elif not (value == "Application" or value == "Link" or value == "Directory"):
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self.errors.append("Value of key 'Type' must be Application, Link or Directory, but is '%s'" % value)
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if self.fileExtension == ".directory" and not value == "Directory":
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self.warnings.append("File extension is .directory, but Type is '%s'" % value)
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elif self.fileExtension == ".desktop" and value == "Directory":
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self.warnings.append("Files with Type=Directory should have the extension .directory")
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if value == "Application":
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if "Exec" not in self.content[group]:
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self.warnings.append("Type=Application needs 'Exec' key")
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if value == "Link":
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if "URL" not in self.content[group]:
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self.warnings.append("Type=Link needs 'URL' key")
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elif key == "Version":
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self.checkValue(key, value)
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elif re.match("^Name"+xdg.Locale.regex+"$", key):
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pass # locale string
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elif re.match("^GenericName"+xdg.Locale.regex+"$", key):
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pass # locale string
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elif key == "NoDisplay":
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self.checkValue(key, value, type="boolean")
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elif re.match("^Comment"+xdg.Locale.regex+"$", key):
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pass # locale string
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elif re.match("^Icon"+xdg.Locale.regex+"$", key):
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self.checkValue(key, value)
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elif key == "Hidden":
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self.checkValue(key, value, type="boolean")
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elif key == "OnlyShowIn":
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self.checkValue(key, value, list=True)
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self.checkOnlyShowIn(value)
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elif key == "NotShowIn":
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self.checkValue(key, value, list=True)
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self.checkOnlyShowIn(value)
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elif key == "TryExec":
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self.checkValue(key, value)
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self.checkType(key, "Application")
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elif key == "Exec":
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self.checkValue(key, value)
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self.checkType(key, "Application")
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elif key == "Path":
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self.checkValue(key, value)
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self.checkType(key, "Application")
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elif key == "Terminal":
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self.checkValue(key, value, type="boolean")
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self.checkType(key, "Application")
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elif key == "Actions":
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self.checkValue(key, value, list=True)
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self.checkType(key, "Application")
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elif key == "MimeType":
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self.checkValue(key, value, list=True)
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self.checkType(key, "Application")
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elif key == "Categories":
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self.checkValue(key, value)
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self.checkType(key, "Application")
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self.checkCategories(value)
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elif re.match("^Keywords"+xdg.Locale.regex+"$", key):
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self.checkValue(key, value, type="localestring", list=True)
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self.checkType(key, "Application")
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elif key == "StartupNotify":
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self.checkValue(key, value, type="boolean")
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self.checkType(key, "Application")
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elif key == "StartupWMClass":
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self.checkType(key, "Application")
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elif key == "URL":
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self.checkValue(key, value)
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self.checkType(key, "URL")
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# kde extensions
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elif key == "ServiceTypes":
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self.checkValue(key, value, list=True)
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self.warnings.append("Key '%s' is a KDE extension" % key)
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elif key == "DocPath":
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self.checkValue(key, value)
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self.warnings.append("Key '%s' is a KDE extension" % key)
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elif key == "InitialPreference":
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self.checkValue(key, value, type="numeric")
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self.warnings.append("Key '%s' is a KDE extension" % key)
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elif key == "Dev":
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self.checkValue(key, value)
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self.checkType(key, "FSDevice")
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self.warnings.append("Key '%s' is a KDE extension" % key)
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elif key == "FSType":
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self.checkValue(key, value)
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self.checkType(key, "FSDevice")
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self.warnings.append("Key '%s' is a KDE extension" % key)
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elif key == "MountPoint":
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self.checkValue(key, value)
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self.checkType(key, "FSDevice")
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self.warnings.append("Key '%s' is a KDE extension" % key)
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elif key == "ReadOnly":
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self.checkValue(key, value, type="boolean")
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self.checkType(key, "FSDevice")
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self.warnings.append("Key '%s' is a KDE extension" % key)
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elif re.match("^UnmountIcon"+xdg.Locale.regex+"$", key):
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self.checkValue(key, value)
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self.checkType(key, "FSDevice")
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self.warnings.append("Key '%s' is a KDE extension" % key)
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# deprecated keys
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elif key == "Encoding":
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self.checkValue(key, value)
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self.warnings.append("Key '%s' is deprecated" % key)
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elif re.match("^MiniIcon"+xdg.Locale.regex+"$", key):
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self.checkValue(key, value)
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self.warnings.append("Key '%s' is deprecated" % key)
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elif key == "TerminalOptions":
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self.checkValue(key, value)
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self.warnings.append("Key '%s' is deprecated" % key)
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elif key == "DefaultApp":
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self.checkValue(key, value)
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self.warnings.append("Key '%s' is deprecated" % key)
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elif key == "Protocols":
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self.checkValue(key, value, list=True)
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self.warnings.append("Key '%s' is deprecated" % key)
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elif key == "Extensions":
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self.checkValue(key, value, list=True)
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self.warnings.append("Key '%s' is deprecated" % key)
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elif key == "BinaryPattern":
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self.checkValue(key, value)
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self.warnings.append("Key '%s' is deprecated" % key)
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elif key == "MapNotify":
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self.checkValue(key, value)
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self.warnings.append("Key '%s' is deprecated" % key)
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elif re.match("^SwallowTitle"+xdg.Locale.regex+"$", key):
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self.warnings.append("Key '%s' is deprecated" % key)
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elif key == "SwallowExec":
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self.checkValue(key, value)
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self.warnings.append("Key '%s' is deprecated" % key)
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elif key == "FilePattern":
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self.checkValue(key, value, type="regex", list=True)
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self.warnings.append("Key '%s' is deprecated" % key)
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elif key == "SortOrder":
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self.checkValue(key, value, list=True)
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self.warnings.append("Key '%s' is deprecated" % key)
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# "X-" extensions
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elif re.match("^X-[a-zA-Z0-9-]+", key):
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pass
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else:
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self.errors.append("Invalid key: %s" % key)
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def checkType(self, key, type):
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if not self.getType() == type:
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self.errors.append("Key '%s' only allowed in Type=%s" % (key, type))
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def checkOnlyShowIn(self, value):
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values = self.getList(value)
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valid = ["GNOME", "KDE", "LXDE", "MATE", "Razor", "ROX", "TDE", "Unity",
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"XFCE", "Old"]
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for item in values:
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if item not in valid and item[0:2] != "X-":
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self.errors.append("'%s' is not a registered OnlyShowIn value" % item);
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def checkCategories(self, value):
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values = self.getList(value)
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main = ["AudioVideo", "Audio", "Video", "Development", "Education", "Game", "Graphics", "Network", "Office", "Science", "Settings", "System", "Utility"]
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if not any(item in main for item in values):
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self.errors.append("Missing main category")
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additional = ['Building', 'Debugger', 'IDE', 'GUIDesigner', 'Profiling', 'RevisionControl', 'Translation', 'Calendar', 'ContactManagement', 'Database', 'Dictionary', 'Chart', 'Email', 'Finance', 'FlowChart', 'PDA', 'ProjectManagement', 'Presentation', 'Spreadsheet', 'WordProcessor', '2DGraphics', 'VectorGraphics', 'RasterGraphics', '3DGraphics', 'Scanning', 'OCR', 'Photography', 'Publishing', 'Viewer', 'TextTools', 'DesktopSettings', 'HardwareSettings', 'Printing', 'PackageManager', 'Dialup', 'InstantMessaging', 'Chat', 'IRCClient', 'Feed', 'FileTransfer', 'HamRadio', 'News', 'P2P', 'RemoteAccess', 'Telephony', 'TelephonyTools', 'VideoConference', 'WebBrowser', 'WebDevelopment', 'Midi', 'Mixer', 'Sequencer', 'Tuner', 'TV', 'AudioVideoEditing', 'Player', 'Recorder', 'DiscBurning', 'ActionGame', 'AdventureGame', 'ArcadeGame', 'BoardGame', 'BlocksGame', 'CardGame', 'KidsGame', 'LogicGame', 'RolePlaying', 'Shooter', 'Simulation', 'SportsGame', 'StrategyGame', 'Art', 'Construction', 'Music', 'Languages', 'ArtificialIntelligence', 'Astronomy', 'Biology', 'Chemistry', 'ComputerScience', 'DataVisualization', 'Economy', 'Electricity', 'Geography', 'Geology', 'Geoscience', 'History', 'Humanities', 'ImageProcessing', 'Literature', 'Maps', 'Math', 'NumericalAnalysis', 'MedicalSoftware', 'Physics', 'Robotics', 'Spirituality', 'Sports', 'ParallelComputing', 'Amusement', 'Archiving', 'Compression', 'Electronics', 'Emulator', 'Engineering', 'FileTools', 'FileManager', 'TerminalEmulator', 'Filesystem', 'Monitor', 'Security', 'Accessibility', 'Calculator', 'Clock', 'TextEditor', 'Documentation', 'Adult', 'Core', 'KDE', 'GNOME', 'XFCE', 'GTK', 'Qt', 'Motif', 'Java', 'ConsoleOnly']
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allcategories = additional + main
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for item in values:
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if item not in allcategories and not item.startswith("X-"):
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self.errors.append("'%s' is not a registered Category" % item);
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def checkCategorie(self, value):
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"""Deprecated alias for checkCategories - only exists for backwards
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compatibility.
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"""
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warnings.warn("checkCategorie is deprecated, use checkCategories",
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DeprecationWarning)
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return self.checkCategories(value)
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