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| # Favourite lists.
#
# This module lists static content from ~/.config/streamtuner2/bookmarks.json.
# Any bookmarked station will appear with a star ★ icon in other channels.
#
# Some feature extensions inject custom subcategories here. For example the
# "search" feature adds its own result list here, as does the "timer" plugin.
#
#
# desc
module = "bookmarks"
title = "bookmarks"
base_url = "file:.config/streamtuner2/bookmarks.json"
listformat = "*/*"
# content
categories = ["favourite", ] # timer, links, search, and links show up as needed
current = "favourite"
default = "favourite"
streams = {"favourite":[], "search":[], "scripts":[], "timer":[], "history":[], }
# cache list, to determine if a PLS url is bookmarked
urls = []
def gui(self, parent):
GenericChannel.gui(self, parent)
parent.notebook_channels.set_menu_label_text(parent.v_bookmarks, "bookmarks")
# this channel does not actually retrieve/parse data from anywhere
def update_categories(self):
pass
# but category sub-plugins might provide a hook
category_plugins = {}
def update_streams(self, cat):
if cat in self.category_plugins:
return self.category_plugins[cat].update_streams(cat) or []
else:
return self.streams.get(cat, [])
# streams are already loaded at instantiation
def first_show(self):
pass
# all entries just come from "bookmarks.json"
def cache(self):
# stream list
cache = conf.load(self.module)
if (cache):
__print__(dbg.PROC, "load bookmarks.json")
self.streams = cache
# save to cache file
def save(self):
conf.save(self.module, self.streams, nice=1)
# checks for existence of an URL in bookmarks store,
# this method is called by other channel modules' display() method
def is_in(self, url, once=1):
if (not self.urls):
self.urls = [row.get("url","urn:x-streamtuner2:no") for row in self.streams["favourite"]]
return url in self.urls
# called from main window / menu / context menu,
# when bookmark is to be added for a selected stream entry
def add(self, row):
# normalize data (this row originated in a gtk+ widget)
row["favourite"] = 1
if row.get("favicon"):
row["favicon"] = favicon.file(row.get("homepage"))
if not row.get("listformat"):
row["listformat"] = main.channel().listformat
# append to storage
self.streams["favourite"].append(row)
self.save()
self.load(self.default)
self.urls.append(row["url"])
# simplified gtk TreeStore display logic (just one category for the moment, always rebuilt)
def load(self, category, force=False):
__print__(dbg.UI, category, self.streams.keys())
self.streams[category] = self.update_streams(category)
#self.liststore[category] = \
uikit.columns(self.gtk_list, self.datamap, self.prepare(self.streams[category]))
# add a categories[]/streams{} subcategory, update treeview
def add_category(self, cat, plugin=None):
if cat not in self.categories: # add category if missing
self.categories.append(cat)
self.display_categories()
if cat not in self.streams:
self.streams[cat] = []
if plugin:
self.category_plugins[cat] = plugin
# change cursor
def set_category(self, cat):
self.add_category(cat)
self.gtk_cat.get_selection().select_path(str(self.categories.index(cat)))
return self.currentcat()
# update bookmarks from freshly loaded streams data
def heuristic_update(self, updated_channel, updated_category):
if not conf.heuristic_bookmark_update: return
__print__(dbg.ERR, "heuristic bookmark update")
save = 0
fav = self.streams["favourite"]
# First we'll generate a list of current bookmark stream urls, and then
# remove all but those from the currently UPDATED_channel + category.
# This step is most likely redundant, but prevents accidently re-rewriting
# stations that are in two channels (=duplicates with different PLS urls).
check = {"http//": "[row]"}
check = dict((row.get("url", "http//"),row) for row in fav)
# walk through all channels/streams
for chname,channel in main.channels.items():
for cat,streams in channel.streams.items():
# keep the potentially changed rows
if (chname == updated_channel) and (cat == updated_category):
freshened_streams = streams
# remove unchanged urls/rows
else:
unchanged_urls = (row.get("url") for row in streams)
for url in unchanged_urls:
if url in check:
del check[url]
# directory duplicates could unset the check list here,
# so we later end up doing a deep comparison
# now the real comparison,
# where we compare station titles and homepage url to detect if a bookmark is an old entry
for row in freshened_streams:
url = row.get("url")
# empty entry (google stations), or stream still in current favourites
if not url or url in check:
pass
# need to search
else:
title = row.get("title")
homepage = row.get("homepage")
for i,old in enumerate(fav):
# skip if new url already in streams
if url == old.get("url"):
pass # This is caused by channel duplicates with identical PLS links.
# on exact matches (but skip if url is identical anyway)
elif title == old["title"] and homepage == old.get("homepage",homepage):
# update stream url
fav[i]["url"] = url
save = 1
# more text similarity heuristics might go here
else:
pass
# if there were changes
if save: self.save()
|