/usr/share/pyshared/freevo/fxditem.py is in python-freevo 1.9.2b2-4.2.
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# -----------------------------------------------------------------------
# Create items out of fxd files
# -----------------------------------------------------------------------
# $Id: fxditem.py 11905 2011-11-14 21:54:46Z adam $
# -----------------------------------------------------------------------
# Freevo - A Home Theater PC framework
# Copyright (C) 2002 Krister Lagerstrom, et al.
# Please see the file freevo/Docs/CREDITS for a complete list of authors.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MER-
# CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# -----------------------------------------------------------------------
"""
Create items out of fxd (Freevo eXtended Data) files
If you want to expand the fxd file with a new tag below <freevo>, you can
register a callback here. Create a class based on FXDItem, with the same
__init__ signature. The 'parser' is something from util.fxdparser, which gets
the real callback. After parsing, the variable 'items' from the objects will be
returned.
Register your handler with the register function. 'types' is a list of display
types (e.g. 'audio', 'video', 'images'), handler is the class (not an object of
this class) which is a subclass of FXDItem.
If the fxd files 'covers' a real item like the movie information cover
real movie files, please do:
1. add the fxd file as 'fxd_file' member variable to the new item
2. add the files as list _fxd_covered_ to the item
"""
import logging
logger = logging.getLogger("freevo.fxditem")
import copy
import traceback
import config
import util
import item
import plugin
import os
import stat
class Mimetype(plugin.MimetypePlugin):
"""
class to handle fxd files in directories
"""
def get(self, parent, files):
"""
return a list of items based on the files
"""
# get the list of fxd files
fxd_files = util.find_matches(files, ['fxd'])
# removed covered files from the list
for f in fxd_files:
try:
files.remove(f)
except:
pass
# check of directories with a fxd covering it
for d in copy.copy(files):
if os.path.isdir(d):
f = os.path.join(d, os.path.basename(d) + '.fxd')
if vfs.isfile(f):
fxd_files.append(f)
files.remove(d)
# return items
if fxd_files:
return self.parse(parent, fxd_files, files)
else:
return []
def suffix(self):
"""
return the list of suffixes this class handles
"""
return [ 'fxd' ]
def count(self, parent, files):
"""
return how many items will be build on files
"""
return len(self.get(parent, files))
def parse(self, parent, fxd_files, duplicate_check=[], display_type=None):
"""
return a list of items that belong to a fxd files
"""
if not display_type and hasattr(parent, 'display_type'):
display_type = parent.display_type
if display_type == 'tv':
display_type = 'video'
callbacks = plugin.get_callbacks('fxditem')
items = []
for fxd_file in fxd_files:
try:
# create a basic fxd parser
parser = util.fxdparser.FXD(fxd_file)
# create items attr for return values
parser.setattr(None, 'items', [])
parser.setattr(None, 'parent', parent)
parser.setattr(None, 'filename', fxd_file)
parser.setattr(None, 'duplicate_check', duplicate_check)
parser.setattr(None, 'display_type', display_type)
for types, tag, handler in callbacks:
if not display_type or not types or display_type in types:
parser.set_handler(tag, handler)
# start the parsing
parser.parse()
# return the items
items += parser.getattr(None, 'items')
except:
_debug_('fxd file %r corrupt' % fxd_file, DINFO)
traceback.print_exc()
return items
# -------------------------------------------------------------------------------------
class Container(item.Item):
"""
a simple container containing for items parsed from the fxd
"""
def __init__(self, fxd, node):
fxd_file = fxd.filename
item.Item.__init__(self, fxd.getattr(None, 'parent', None))
self.items = []
self.name = fxd.getattr(node, 'title', 'no title')
self.type = fxd.getattr(node, 'type', '')
self.fxd_file = fxd_file
self.image = fxd.childcontent(node, 'cover-img')
if self.image:
self.image = vfs.join(vfs.dirname(fxd_file), self.image)
parent_items = fxd.getattr(None, 'items', [])
display_type = fxd.getattr(None, 'display_type', None)
# set variables new for the subtitems
fxd.setattr(None, 'parent', self)
fxd.setattr(None, 'items', self.items)
callbacks = plugin.get_callbacks('fxditem')
for child in node.children:
for types, tag, handler in callbacks:
if (not display_type or not types or display_type in types) and \
child.name == tag:
handler(fxd, child)
break
fxd.parse_info(fxd.get_children(node, 'info', 1), self)
# restore settings
fxd.setattr(None, 'parent', self.parent)
fxd.setattr(None, 'items', parent_items)
self.display_type = display_type
def sort(self, mode=None):
"""
Returns the string how to sort this item
"""
if mode == 'date':
return '%s%s' % (os.stat(self.fxd_file).st_ctime, self.fxd_file)
return self.name
def actions(self):
"""
actions for this item
"""
return [ ( self.browse, _('Browse list')) ]
def browse(self, arg=None, menuw=None):
"""
show all items
"""
import menu
moviemenu = menu.Menu(self.name, self.items, item_types=self.display_type)
menuw.pushmenu(moviemenu)
def container_callback(fxd, node):
"""
handle <container> tags. Inside this tag all other base level tags
like <audio>, <movie> and <container> itself will be parsed as normal.
"""
c = Container(fxd, node)
if c.items:
fxd.getattr(None, 'items', []).append(c)
# -------------------------------------------------------------------------------------
plugin.register_callback('fxditem', None, 'container', container_callback)
mimetype = Mimetype()
plugin.activate(mimetype, level=0)
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