384 lines
14 KiB
Python
384 lines
14 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 *
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from xdg.BaseDirectory import *
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import os.path
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class DesktopEntry(IniFile):
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"Class to parse and validate DesktopEntries"
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defaultGroup = 'Desktop Entry'
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def __init__(self, filename=None):
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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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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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return self.get('Version', type="numeric")
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def getEncoding(self):
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return self.get('Encoding')
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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 getComment(self):
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return self.get('Comment', locale=True)
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def getNoDisplay(self):
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return self.get('NoDisplay', type="boolean")
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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 getFilePattern(self):
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return self.get('FilePattern', type="regex")
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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 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 getActions(self):
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return self.get('Actions', list=True)
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""" @deprecated, use getMimeTypes instead """
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def getMimeType(self):
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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 getSortOrder(self):
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return self.get('SortOrder', list=True)
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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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def getURL(self):
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return self.get('URL')
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def getCategories(self):
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return self.get('Categories', list=True)
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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 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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# 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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# 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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# end deprecated keys
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# desktop entry edit stuff
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def new(self, filename):
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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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self.content = dict()
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self.addGroup(self.defaultGroup)
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self.set("Encoding", "UTF-8")
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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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# Encoding
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try:
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self.encoding = self.content[self.defaultGroup]["Encoding"]
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except KeyError:
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self.errors.append("Key 'Encoding' is missing")
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# Version
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try:
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self.version = self.content[self.defaultGroup]["Version"]
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except KeyError:
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self.warnings.append("Key 'Version' 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-Z]+\$", group) \
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or (re.match("^\X-", group) and group.decode("utf-8", "ignore").encode("ascii", 'ignore') == 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 self.content[group].has_key("OnlyShowIn") and self.content[group].has_key("NotShowIn"):
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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":
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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 == "FSDevice" or value == "Directory"):
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self.errors.append("Value of key 'Type' must be Application, Link, FSDevice 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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elif key == "Version":
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self.checkValue(key, value, type="number")
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elif key == "Encoding":
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if value == "Legacy-Mixed":
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self.errors.append("Encoding=Legacy-Mixed is deprecated and not supported by this parser")
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elif not value == "UTF-8":
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self.errors.append("Value of key 'Encoding' must be UTF-8")
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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 re.match("^Comment"+xdg.Locale.regex+"$", key):
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pass # locale string
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elif key == "NoDisplay":
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self.checkValue(key, value, type="boolean")
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elif key == "Hidden":
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self.checkValue(key, value, type="boolean")
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elif key == "Terminal":
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self.checkValue(key, value, type="boolean")
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self.checkType(key, "Application")
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elif key == "TryExec":
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self.checkValue(key, value)
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self.checkType(key, "Application")
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elif key == "Exec":
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self.checkValue(key, value)
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self.checkType(key, "Application")
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elif key == "Path":
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self.checkValue(key, value)
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self.checkType(key, "Application")
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elif re.match("^Icon"+xdg.Locale.regex+"$", key):
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self.checkValue(key, value)
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elif re.match("^SwallowTitle"+xdg.Locale.regex+"$", key):
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self.checkType(key, "Application")
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elif key == "SwallowExec":
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self.checkValue(key, value)
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self.checkType(key, "Application")
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elif key == "FilePatterns":
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self.checkValue(key, value, type="regex", list=True)
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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, type="regex", 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.checkCategorie(value)
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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 == "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 == "SortOrder":
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self.checkValue(key, value, list=True)
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self.checkType(key, "Directory")
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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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elif key == "Dev":
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self.checkValue(key, value)
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self.checkType(key, "FSDevice")
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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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elif key == "MountPoint":
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self.checkValue(key, value)
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self.checkType(key, "FSDevice")
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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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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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# 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 re.match("^Keywords"+xdg.Locale.regex+"$", key):
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self.checkValue(key, value, list=True)
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self.warnings.append("Key '%s' is a KDE extension" % key)
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elif key == "InitialPreference":
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self.checkValue(key, value, type="number")
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self.warnings.append("Key '%s' is a KDE extension" % key)
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# deprecated keys
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elif re.match("^MiniIcon"+xdg.Locale.regex+"$", 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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# "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", "ROX", "XFCE", "Old"]
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for item in values:
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if item not in valid:
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self.errors.append("'%s' is not a registered OnlyShowIn value" % item);
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def checkCategorie(self, value):
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values = self.getList(value)
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valid = ["Legacy","Core","Development","Building","Debugger","IDE","GUIDesigner","Profiling","RevisionControl","Translation","Office","Calendar","ContactManagement","Database","Dictionary","Chart","Email","Finance","FlowChart","PDA","ProjectManagement","Presentation","Spreadsheet","WordProcessor","Graphics","2DGraphics","VectorGraphics","RasterGraphics","3DGraphics","Scanning","OCR","Photograph","Viewer","Settings","DesktopSettings","HardwareSettings","PackageManager","Network","Dialup","InstantMessaging","IRCClient","FileTransfer","HamRadio","News","P2P","RemoteAccess","Telephony","WebBrowser","WebDevelopment","AudioVideo","Audio","Midi","Mixer","Sequencer","Tuner","Video","TV","AudioVideoEditing","Player","Recorder","DiscBurning","Game","ActionGame","AdventureGame","ArcadeGame","BoardGame","BlocksGame","CardGame","KidsGame","LogicGame","RolePlaying","Simulation","SportsGame","StrategyGame","Education","Art","Art","Contruction","Music","Languages","Science","Astronomy","Biology","Chemistry","Geology","Math","MedicalSoftware","Physics","Teaching","Amusement","Applet","Archiving","Electronics","Emulator","Engineering","FileManager","Shell","Screensaver","TerminalEmulator","TrayIcon","System","Filesystem","Monitor","Security","Utility","Accessibility","Calculator","Clock","TextEditor","KDE","GNOME","GTK","Qt","Motif","Java","ConsoleOnly"]
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for item in values:
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if item not in valid:
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self.errors.append("'%s' is not a registered Category" % item);
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