# Copyright (c) 2004 Jean-Yves Lefort # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # 3. Neither the name of Jean-Yves Lefort nor the names of its contributors # may be used to endorse or promote products derived from this software # without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND # CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, # INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED # TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON # ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. import sys, re, ST, gobject, gtk from ST import _ ### constants ################################################################# class FIELD: BANNER, DESCRIPTION, HOMEPAGE = range(3) PUNKCAST_COM_ROOT = "http://punkcast.com/" re_url = re.compile('href="?(http://punkcast.com/)?([0-9]+.*?)"?>') re_special_url = re.compile("href=(http://209.*?)>") re_img = re.compile('SRC="?(http://punkcast.com/)?(.*?\.(jpg|JPG|gif|GIF|png|PNG))') re_alt = re.compile('ALT="(.*?)"') ### helpers ################################################################### class struct: def __init__ (self, **entries): self.__dict__.update(entries) def parse_error (err): handler.notice(_("parse error: %s") % (err)) ### transfer callbacks ######################################################## def streams_line_cb (line, streams, info): if not hasattr(info, "aborted"): url = None match = re_url.search(line) if match is not None: url = PUNKCAST_COM_ROOT + match.group(2) else: match = re_special_url.search(line) if match is not None: url = match.group(1) if url is not None: if info.stream is not None \ and info.stream.name != "http://punkcast.com/17/index.html" \ and info.stream.name != "http://punkcast.com/18/index.html": parse_error("incomplete stream") info.stream = PunkcastComStream() info.stream.name = url info.stream.fields[FIELD.HOMEPAGE] = url streams.append(info.stream) match = re_img.search(line) if match is not None: if info.stream is None: parse_error("misplaced image") else: info.stream.image_url = PUNKCAST_COM_ROOT + match.group(2) match = re_alt.search(line) if match is not None: if info.stream is None: parse_error("misplaced alt") else: info.stream.fields[FIELD.DESCRIPTION] = ST.sgml_ref_expand(match.group(1)) info.stream = None ### stream implementation ##################################################### class PunkcastComStream (ST.Stream): image_url = None ### handler implementation #################################################### class PunkcastComHandler (ST.Handler): def __new__ (cls): self = ST.Handler.__new__(cls, "punkcast.com.py") self.label = "punkcast.com" self.home = PUNKCAST_COM_ROOT self.flags = ST.HANDLER_NO_CATEGORIES self.icon = gtk.gdk.pixbuf_new_from_file(ST.find_icon("punkcast.com.png")) self.cached_images = {} self.config.register(("download-images", bool, None, None, 1, gobject.PARAM_READWRITE)) self.add_field(ST.HandlerField(FIELD.BANNER, _("Show"), gtk.gdk.Pixbuf, ST.HANDLER_FIELD_VISIBLE, _("The show banner"))) self.add_field(ST.HandlerField(FIELD.DESCRIPTION, _("Description"), str, ST.HANDLER_FIELD_VISIBLE, _("The show description"))) self.add_field(ST.HandlerField(FIELD.HOMEPAGE, _("Homepage"), str, ST.HANDLER_FIELD_VISIBLE | ST.HANDLER_FIELD_START_HIDDEN, _("The show homepage URL"))) return self def reload (self, category): streams = [] session = ST.TransferSession() session.get_by_line(PUNKCAST_COM_ROOT, flags = ST.TRANSFER_UTF8 | ST.TRANSFER_PARSE_HTTP_CHARSET | ST.TRANSFER_PARSE_HTML_CHARSET, body_cb = streams_line_cb, body_args = (streams, struct(stream = None))) for stream in streams: if stream.image_url is not None: if not self.cached_images.has_key(stream.image_url) and handler.config["download-images"]: try: buffer = session.get_binary(stream.image_url) except ST.AbortError: break except: handler.notice(_("unable to download image %s: %s") % (stream.image_url, sys.exc_value)) else: try: loader = gtk.gdk.PixbufLoader() loader.write(buffer) self.cached_images[stream.image_url] = loader.get_pixbuf() loader.close() except: handler.notice(_("unable to load image %s: %s") % (stream.image_url, sys.exc_value)) if self.cached_images.has_key(stream.image_url): stream.fields[FIELD.BANNER] = self.cached_images[stream.image_url] return ((), streams) def stream_get_stock_field (self, stream, stock_field): if stock_field == ST.HANDLER_STOCK_FIELD_NAME: return stream.fields[FIELD.DESCRIPTION] elif stock_field == ST.HANDLER_STOCK_FIELD_HOMEPAGE: return stream.fields[FIELD.HOMEPAGE] def stream_browse (self, stream): ST.action_run("view-web", stream.fields[FIELD.HOMEPAGE]) def preferences_widget_new (self): check = gtk.CheckButton(_("_Download images")) check.set_active(self.config["download-images"]) check.connect("toggled", self.download_images_toggled_h) ST.set_tooltip(check, _("If this option is enabled, the show banners will be downloaded.")) check.show() return ST.HIGSection(_("Images"), check) def download_images_toggled_h (self, check): self.config["download-images"] = check.get_active() ### initialization ############################################################ def init (): global handler if not ST.check_api_version(2, 0): raise RuntimeError, _("API version mismatch") ST.action_register("view-web", _("Open a web page"), "epiphany %q") handler = PunkcastComHandler() ST.handlers_add(handler) init()