+++ /dev/null
-"""
-Complete implementation of the XDG Icon Spec Version 0.8
-http://standards.freedesktop.org/icon-theme-spec/
-"""
-
-import os, sys, time
-
-from xdg.IniFile import *
-from xdg.BaseDirectory import *
-from xdg.Exceptions import *
-
-import xdg.Config
-
-class IconTheme(IniFile):
- "Class to parse and validate IconThemes"
- def __init__(self):
- IniFile.__init__(self)
-
- def __repr__(self):
- return self.name
-
- def parse(self, file):
- IniFile.parse(self, file, ["Icon Theme", "KDE Icon Theme"])
- self.dir = os.path.dirname(file)
- (nil, self.name) = os.path.split(self.dir)
-
- def getDir(self):
- return self.dir
-
- # Standard Keys
- def getName(self):
- return self.get('Name', locale=True)
- def getComment(self):
- return self.get('Comment', locale=True)
- def getInherits(self):
- return self.get('Inherits', list=True)
- def getDirectories(self):
- return self.get('Directories', list=True)
- def getHidden(self):
- return self.get('Hidden', type="boolean")
- def getExample(self):
- return self.get('Example')
-
- # Per Directory Keys
- def getSize(self, directory):
- return self.get('Size', type="integer", group=directory)
- def getContext(self, directory):
- return self.get('Context', group=directory)
- def getType(self, directory):
- value = self.get('Type', group=directory)
- if value:
- return value
- else:
- return "Threshold"
- def getMaxSize(self, directory):
- value = self.get('MaxSize', type="integer", group=directory)
- if value or value == 0:
- return value
- else:
- return self.getSize(directory)
- def getMinSize(self, directory):
- value = self.get('MinSize', type="integer", group=directory)
- if value or value == 0:
- return value
- else:
- return self.getSize(directory)
- def getThreshold(self, directory):
- value = self.get('Threshold', type="integer", group=directory)
- if value or value == 0:
- return value
- else:
- return 2
-
- # validation stuff
- def checkExtras(self):
- # header
- if self.defaultGroup == "KDE Icon Theme":
- self.warnings.append('[KDE Icon Theme]-Header is deprecated')
-
- # file extension
- if self.fileExtension == ".theme":
- pass
- elif self.fileExtension == ".desktop":
- self.warnings.append('.desktop fileExtension is deprecated')
- else:
- self.warnings.append('Unknown File extension')
-
- # Check required keys
- # Name
- try:
- self.name = self.content[self.defaultGroup]["Name"]
- except KeyError:
- self.errors.append("Key 'Name' is missing")
-
- # Comment
- try:
- self.comment = self.content[self.defaultGroup]["Comment"]
- except KeyError:
- self.errors.append("Key 'Comment' is missing")
-
- # Directories
- try:
- self.directories = self.content[self.defaultGroup]["Directories"]
- except KeyError:
- self.errors.append("Key 'Directories' is missing")
-
- def checkGroup(self, group):
- # check if group header is valid
- if group == self.defaultGroup:
- pass
- elif group in self.getDirectories():
- try:
- self.type = self.content[group]["Type"]
- except KeyError:
- self.type = "Threshold"
- try:
- self.name = self.content[group]["Name"]
- except KeyError:
- self.errors.append("Key 'Name' in Group '%s' is missing" % group)
- elif not (re.match("^\[X-", group) and group.decode("utf-8", "ignore").encode("ascii", 'ignore') == group):
- self.errors.append("Invalid Group name: %s" % group)
-
- def checkKey(self, key, value, group):
- # standard keys
- if group == self.defaultGroup:
- if re.match("^Name"+xdg.Locale.regex+"$", key):
- pass
- elif re.match("^Comment"+xdg.Locale.regex+"$", key):
- pass
- elif key == "Inherits":
- self.checkValue(key, value, list=True)
- elif key == "Directories":
- self.checkValue(key, value, list=True)
- elif key == "Hidden":
- self.checkValue(key, value, type="boolean")
- elif key == "Example":
- self.checkValue(key, value)
- elif re.match("^X-[a-zA-Z0-9-]+", key):
- pass
- else:
- self.errors.append("Invalid key: %s" % key)
- elif group in self.getDirectories():
- if key == "Size":
- self.checkValue(key, value, type="integer")
- elif key == "Context":
- self.checkValue(key, value)
- elif key == "Type":
- self.checkValue(key, value)
- if value not in ["Fixed", "Scalable", "Threshold"]:
- self.errors.append("Key 'Type' must be one out of 'Fixed','Scalable','Threshold', but is %s" % value)
- elif key == "MaxSize":
- self.checkValue(key, value, type="integer")
- if self.type != "Scalable":
- self.errors.append("Key 'MaxSize' give, but Type is %s" % self.type)
- elif key == "MinSize":
- self.checkValue(key, value, type="integer")
- if self.type != "Scalable":
- self.errors.append("Key 'MinSize' give, but Type is %s" % self.type)
- elif key == "Threshold":
- self.checkValue(key, value, type="integer")
- if self.type != "Threshold":
- self.errors.append("Key 'Threshold' give, but Type is %s" % self.type)
- elif re.match("^X-[a-zA-Z0-9-]+", key):
- pass
- else:
- self.errors.append("Invalid key: %s" % key)
-
-
-class IconData(IniFile):
- "Class to parse and validate IconData Files"
- def __init__(self):
- IniFile.__init__(self)
-
- def __repr__(self):
- return self.getDisplayName()
-
- def parse(self, file):
- IniFile.parse(self, file, ["Icon Data"])
-
- # Standard Keys
- def getDisplayName(self):
- return self.get('DisplayName', locale=True)
- def getEmbeddedTextRectangle(self):
- return self.get('EmbeddedTextRectangle', list=True)
- def getAttachPoints(self):
- return self.get('AttachPoints', type="point", list=True)
-
- # validation stuff
- def checkExtras(self):
- # file extension
- if self.fileExtension != ".icon":
- self.warnings.append('Unknown File extension')
-
- def checkGroup(self, group):
- # check if group header is valid
- if not (group == self.defaultGroup \
- or (re.match("^\[X-", group) and group.encode("ascii", 'ignore') == group)):
- self.errors.append("Invalid Group name: %s" % group.encode("ascii", "replace"))
-
- def checkKey(self, key, value, group):
- # standard keys
- if re.match("^DisplayName"+xdg.Locale.regex+"$", key):
- pass
- elif key == "EmbeddedTextRectangle":
- self.checkValue(key, value, type="integer", list=True)
- elif key == "AttachPoints":
- self.checkValue(key, value, type="point", list=True)
- elif re.match("^X-[a-zA-Z0-9-]+", key):
- pass
- else:
- self.errors.append("Invalid key: %s" % key)
-
-
-
-icondirs = []
-for basedir in xdg_data_dirs:
- icondirs.append(os.path.join(basedir, "icons"))
- icondirs.append(os.path.join(basedir, "pixmaps"))
-icondirs.append(os.path.expanduser("~/.icons"))
-
-# just cache variables, they give a 10x speed improvement
-themes = []
-cache = dict()
-dache = dict()
-eache = dict()
-
-def getIconPath(iconname, size = None, theme = None, extensions = ["png", "svg", "xpm"]):
- global themes
-
- if size == None:
- size = xdg.Config.icon_size
- if theme == None:
- theme = xdg.Config.icon_theme
-
- # if we have an absolute path, just return it
- if os.path.isabs(iconname):
- return iconname
-
- # check if it has an extension and strip it
- if os.path.splitext(iconname)[1][1:] in extensions:
- iconname = os.path.splitext(iconname)[0]
-
- # parse theme files
- try:
- if themes[0].name != theme:
- themes = []
- __addTheme(theme)
- except IndexError:
- __addTheme(theme)
-
- # more caching (icon looked up in the last 5 seconds?)
- tmp = "".join([iconname, str(size), theme, "".join(extensions)])
- if eache.has_key(tmp):
- if int(time.time() - eache[tmp][0]) >= xdg.Config.cache_time:
- del eache[tmp]
- else:
- return eache[tmp][1]
-
- for thme in themes:
- icon = LookupIcon(iconname, size, thme, extensions)
- if icon:
- eache[tmp] = [time.time(), icon]
- return icon
-
- # cache stuff again (directories lookuped up in the last 5 seconds?)
- for directory in icondirs:
- if (not dache.has_key(directory) \
- or (int(time.time() - dache[directory][1]) >= xdg.Config.cache_time \
- and dache[directory][2] < os.path.getmtime(directory))) \
- and os.path.isdir(directory):
- dache[directory] = [os.listdir(directory), time.time(), os.path.getmtime(directory)]
-
- for dir, values in dache.items():
- for extension in extensions:
- try:
- if iconname + "." + extension in values[0]:
- icon = os.path.join(dir, iconname + "." + extension)
- eache[tmp] = [time.time(), icon]
- return icon
- except UnicodeDecodeError, e:
- if debug:
- raise e
- else:
- pass
-
- # we haven't found anything? "hicolor" is our fallback
- if theme != "hicolor":
- icon = getIconPath(iconname, size, "hicolor")
- eache[tmp] = [time.time(), icon]
- return icon
-
-def getIconData(path):
- if os.path.isfile(path):
- dirname = os.path.dirname(path)
- basename = os.path.basename(path)
- if os.path.isfile(os.path.join(dirname, basename + ".icon")):
- data = IconData()
- data.parse(os.path.join(dirname, basename + ".icon"))
- return data
-
-def __addTheme(theme):
- for dir in icondirs:
- if os.path.isfile(os.path.join(dir, theme, "index.theme")):
- __parseTheme(os.path.join(dir,theme, "index.theme"))
- break
- elif os.path.isfile(os.path.join(dir, theme, "index.desktop")):
- __parseTheme(os.path.join(dir,theme, "index.desktop"))
- break
- else:
- if debug:
- raise NoThemeError(theme)
-
-def __parseTheme(file):
- theme = IconTheme()
- theme.parse(file)
- themes.append(theme)
- for subtheme in theme.getInherits():
- __addTheme(subtheme)
-
-def LookupIcon(iconname, size, theme, extensions):
- # look for the cache
- if not cache.has_key(theme.name):
- cache[theme.name] = []
- cache[theme.name].append(time.time() - (xdg.Config.cache_time + 1)) # [0] last time of lookup
- cache[theme.name].append(0) # [1] mtime
- cache[theme.name].append(dict()) # [2] dir: [subdir, [items]]
-
- # cache stuff (directory lookuped up the in the last 5 seconds?)
- if int(time.time() - cache[theme.name][0]) >= xdg.Config.cache_time:
- cache[theme.name][0] = time.time()
- for subdir in theme.getDirectories():
- for directory in icondirs:
- dir = os.path.join(directory,theme.name,subdir)
- if (not cache[theme.name][2].has_key(dir) \
- or cache[theme.name][1] < os.path.getmtime(os.path.join(directory,theme.name))) \
- and subdir != "" \
- and os.path.isdir(dir):
- cache[theme.name][2][dir] = [subdir, os.listdir(dir)]
- cache[theme.name][1] = os.path.getmtime(os.path.join(directory,theme.name))
-
- for dir, values in cache[theme.name][2].items():
- if DirectoryMatchesSize(values[0], size, theme):
- for extension in extensions:
- if iconname + "." + extension in values[1]:
- return os.path.join(dir, iconname + "." + extension)
-
- minimal_size = sys.maxint
- closest_filename = ""
- for dir, values in cache[theme.name][2].items():
- distance = DirectorySizeDistance(values[0], size, theme)
- if distance < minimal_size:
- for extension in extensions:
- if iconname + "." + extension in values[1]:
- closest_filename = os.path.join(dir, iconname + "." + extension)
- minimal_size = distance
-
- return closest_filename
-
-def DirectoryMatchesSize(subdir, iconsize, theme):
- Type = theme.getType(subdir)
- Size = theme.getSize(subdir)
- Threshold = theme.getThreshold(subdir)
- MinSize = theme.getMinSize(subdir)
- MaxSize = theme.getMaxSize(subdir)
- if Type == "Fixed":
- return Size == iconsize
- elif Type == "Scaleable":
- return MinSize <= iconsize <= MaxSize
- elif Type == "Threshold":
- return Size - Threshold <= iconsize <= Size + Threshold
-
-def DirectorySizeDistance(subdir, iconsize, theme):
- Type = theme.getType(subdir)
- Size = theme.getSize(subdir)
- Threshold = theme.getThreshold(subdir)
- MinSize = theme.getMinSize(subdir)
- MaxSize = theme.getMaxSize(subdir)
- if Type == "Fixed":
- return abs(Size - iconsize)
- elif Type == "Scalable":
- if iconsize < MinSize:
- return MinSize - iconsize
- elif iconsize > MaxSize:
- return MaxSize - iconsize
- return 0
- elif Type == "Threshold":
- if iconsize < Size - Threshold:
- return MinSize - iconsize
- elif iconsize > Size + Threshold:
- return iconsize - MaxSize
- return 0
projects / drlaunch / blobdiff