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#
# encoding: UTF-8
# api: streamtuner2
# type: class
# title: global config object
# description: reads ~/.config/streamtuner/*.json files
#
# In the main application or module files which need access
# to a global conf object, just import this module as follows:
#
# from config import conf
#
# Here conf is already an instantiation of the underlying
# Config class.
#
import os
import sys
import pson
import gzip
#-- create a single instance of config object
conf = object()
#-- global configuration data ---------------------------------------------
class ConfigDict(dict):
# start
def __init__(self):
# object==dict means conf.var is conf["var"]
self.__dict__ = self # let's pray this won't leak memory due to recursion issues
# prepare
self.defaults()
self.xdg()
# runtime
dirs = ["/usr/share/streamtuner2", "/usr/local/share/streamtuner2", sys.path[0], "."]
self.share = [d for d in dirs if os.path.exists(d)][0]
# settings from last session
last = self.load("settings")
if (last):
self.update(last)
# store defaults in file
else:
self.save("settings")
self.firstrun = 1
# some defaults
def defaults(self):
self.browser = "sensible-browser"
self.play = {
"audio/mp3": "audacious ", # %u for url to .pls, %g for downloaded .m3u
"audio/ogg": "audacious ",
"audio/aac": "amarok -l ",
"audio/x-pn-realaudio": "vlc ",
"audio/*": "totem ",
"*/*": "vlc %srv",
}
self.record = {
"*/*": "x-terminal-emulator -e streamripper %srv",
}
self.plugins = {
"bookmarks": 1, # built-in plugins, cannot be disabled
"shoutcast": 1,
"punkcast": 0, # disable per default
}
self.tmp = os.environ.get("TEMP", "/tmp")
self.max_streams = "120"
self.show_bookmarks = 1
self.show_favicons = 1
self.load_favicon = 1
self.heuristic_bookmark_update = 1
self.retain_deleted = 1
self.auto_save_appstate = 1
self.theme = "" #"MountainDew"
self.debug = False
self.channel_order = "shoutcast, xiph, internet_radio_org_uk, jamendo, myoggradio, .."
self.reuse_m3u = 1
self.google_homepage = 1
# each plugin has a .config dict list, we add defaults here
def add_plugin_defaults(self, config, module=""):
# options
for opt in config:
if ("name" in opt) and ("value" in opt) and (opt["name"] not in vars(self)):
self.__dict__[opt["name"]] = opt["value"]
# plugin state
if module and module not in conf.plugins:
conf.plugins[module] = 1
# http://standards.freedesktop.org/basedir-spec/basedir-spec-0.6.html
def xdg(self):
home = os.environ.get("HOME", self.tmp)
config = os.environ.get("XDG_CONFIG_HOME", home+"/.config")
# storage dir
self.dir = config + "/" + "streamtuner2"
# create if necessary
if (not os.path.exists(self.dir)):
os.makedirs(self.dir)
# store some configuration list/dict into a file
def save(self, name="settings", data=None, gz=0, nice=0):
name = name + ".json"
if (data == None):
data = dict(self.__dict__) # ANOTHER WORKAROUND: typecast to plain dict(), else json filter_data sees it as object and str()s it
nice = 1
# check for subdir
if (name.find("/") > 0):
subdir = name[0:name.find("/")]
subdir = self.dir + "/" + subdir
if (not os.path.exists(subdir)):
os.mkdir(subdir)
open(subdir+"/.nobackup", "w").close()
# write
file = self.dir + "/" + name
# .gz or normal file
if gz:
f = gzip.open(file+".gz", "w")
if os.path.exists(file):
os.unlink(file)
else:
f = open(file, "w")
# encode
pson.dump(data, f, indent=(4 if nice else None))
f.close()
# retrieve data from config file
def load(self, name):
name = name + ".json"
file = self.dir + "/" + name
try:
# .gz or normal file
if os.path.exists(file + ".gz"):
f = gzip.open(file + ".gz", "r")
elif os.path.exists(file):
f = open(file, "r")
else:
return # file not found
# decode
r = pson.load(f)
f.close()
return r
except (Exception), e:
print "PSON parsing error (in "+name+")", e
# recursive dict update
def update(self, with_new_data):
for key,value in with_new_data.iteritems():
if type(value) == dict:
self[key].update(value)
else:
self[key] = value
# descends into sub-dicts instead of wiping them with subkeys
#-- actually fill global conf instance
conf = ConfigDict()
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