# Author: Nic Wolfe # URL: http://code.google.com/p/sickbeard/ # # This file is part of Sick Beard. # # Sick Beard 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 3 of the License, or # (at your option) any later version. # # Sick Beard is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY 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 Sick Beard. If not, see . from lib.dateutil import tz import lib.dateutil.zoneinfo from sickbeard import db from sickbeard import helpers from sickbeard import logger from sickbeard import encodingKludge as ek from os.path import basename, realpath, join, isfile import os import re import datetime # regex to parse time (12/24 hour format) time_regex = re.compile(r"(\d{1,2}):(\d{2,2})( [PA]M)?\b", flags=re.IGNORECASE) network_dict = None sb_timezone = tz.tzlocal() # helper to remove failed temp download def _remove_zoneinfo_failed(filename): try: os.remove(filename) except: pass # helper to remove old unneeded zoneinfo files def _remove_old_zoneinfo(): if (lib.dateutil.zoneinfo.ZONEINFOFILE is not None): cur_zoneinfo = ek.ek(basename, lib.dateutil.zoneinfo.ZONEINFOFILE) else: return cur_file = ek.ek(realpath, u'lib/dateutil/zoneinfo/' + cur_zoneinfo) for (path, dirs, files) in ek.ek(os.walk,ek.ek(realpath,u'lib/dateutil/zoneinfo/')): for filename in files: if filename.endswith('.tar.gz'): file_w_path = ek.ek(join,path,filename) if file_w_path != cur_file and ek.ek(isfile,file_w_path): try: os.remove(file_w_path) logger.log(u"Delete unneeded old zoneinfo File: " + file_w_path) except: logger.log(u"Unable to delete: " + file_w_path,logger.ERROR) # update the dateutil zoneinfo def _update_zoneinfo(): global sb_timezone sb_timezone = tz.tzlocal() # now check if the zoneinfo needs update url_zv = 'http://github.com/Prinz23/sb_network_timezones/raw/master/zoneinfo.txt' url_data = helpers.getURL(url_zv) if url_data is None: # When urlData is None, trouble connecting to github logger.log(u"Loading zoneinfo.txt failed. Unable to get URL: " + url_zv, logger.ERROR) return if (lib.dateutil.zoneinfo.ZONEINFOFILE is not None): cur_zoneinfo = ek.ek(basename, lib.dateutil.zoneinfo.ZONEINFOFILE) else: cur_zoneinfo = None (new_zoneinfo, zoneinfo_md5) = url_data.decode('utf-8').strip().rsplit(u' ') if ((cur_zoneinfo is not None) and (new_zoneinfo == cur_zoneinfo)): return # now load the new zoneinfo url_tar = u'http://github.com/Prinz23/sb_network_timezones/raw/master/' + new_zoneinfo zonefile = ek.ek(realpath, u'lib/dateutil/zoneinfo/' + new_zoneinfo) zonefile_tmp = re.sub(r"\.tar\.gz$",'.tmp', zonefile) if (os.path.exists(zonefile_tmp)): try: os.remove(zonefile_tmp) except: logger.log(u"Unable to delete: " + zonefile_tmp,logger.ERROR) return if not helpers.download_file(url_tar, zonefile_tmp): return new_hash = str(helpers.md5_for_file(zonefile_tmp)) if (zoneinfo_md5.upper() == new_hash.upper()): logger.log(u"Updating timezone info with new one: " + new_zoneinfo,logger.MESSAGE) try: # remove the old zoneinfo file if (cur_zoneinfo is not None): old_file = ek.ek(realpath, u'lib/dateutil/zoneinfo/' + cur_zoneinfo) if (os.path.exists(old_file)): os.remove(old_file) # rename downloaded file os.rename(zonefile_tmp,zonefile) # load the new zoneinfo reload(lib.dateutil.zoneinfo) sb_timezone = tz.tzlocal() except: _remove_zoneinfo_failed(zonefile_tmp) return else: _remove_zoneinfo_failed(zonefile_tmp) logger.log(u"MD5 HASH doesn't match: " + zoneinfo_md5.upper() + ' File: ' + new_hash.upper(),logger.ERROR) return # update the network timezone table def update_network_dict(): _remove_old_zoneinfo() _update_zoneinfo() d = {} # network timezones are stored on github pages url = 'http://github.com/Prinz23/sb_network_timezones/raw/master/network_timezones.txt' url_data = helpers.getURL(url) if url_data is None: # When urlData is None, trouble connecting to github logger.log(u"Loading Network Timezones update failed. Unable to get URL: " + url, logger.ERROR) load_network_dict() return try: for line in url_data.splitlines(): (key, val) = line.decode('utf-8').strip().rsplit(u':',1) if key is None or val is None: continue d[key] = val except (IOError, OSError): pass myDB = db.DBConnection("cache.db") # load current network timezones old_d = dict(myDB.select("SELECT * FROM network_timezones")) # list of sql commands to update the network_timezones table ql = [] for cur_d, cur_t in d.iteritems(): h_k = old_d.has_key(cur_d) if h_k and cur_t != old_d[cur_d]: # update old record ql.append(["UPDATE network_timezones SET network_name=?, timezone=? WHERE network_name=?", [cur_d, cur_t, cur_d]]) elif not h_k: # add new record ql.append(["INSERT INTO network_timezones (network_name, timezone) VALUES (?,?)", [cur_d, cur_t]]) if h_k: del old_d[cur_d] # remove deleted records if len(old_d) > 0: L = list(va for va in old_d) ql.append(["DELETE FROM network_timezones WHERE network_name IN ("+','.join(['?'] * len(L))+")", L]) # change all network timezone infos at once (much faster) myDB.mass_action(ql) load_network_dict() # load network timezones from db into dict def load_network_dict(): d = {} try: myDB = db.DBConnection("cache.db") cur_network_list = myDB.select("SELECT * FROM network_timezones") if cur_network_list is None or len(cur_network_list) < 1: update_network_dict() cur_network_list = myDB.select("SELECT * FROM network_timezones") d = dict(cur_network_list) except: d = {} global network_dict network_dict = d # get timezone of a network or return default timezone def get_network_timezone(network, network_dict): if network is None: return sb_timezone try: return tz.gettz(network_dict[network]) except: return sb_timezone # parse date and time string into local time def parse_date_time(d, t, network): if network_dict is None: load_network_dict() mo = time_regex.search(t) if mo is not None and len(mo.groups()) >= 2: try: hr = helpers.tryInt(mo.group(1)) m = helpers.tryInt(mo.group(2)) ap = mo.group(3) # convert am/pm to 24 hour clock if ap is not None: if ap.lower() == u" pm" and hr != 12: hr += 12 elif ap.lower() == u" am" and hr == 12: hr -= 12 except: hr = 0 m = 0 else: hr = 0 m = 0 if hr < 0 or hr > 23 or m < 0 or m > 59: hr = 0 m = 0 te = datetime.datetime.fromordinal(helpers.tryInt(d)) foreign_timezone = get_network_timezone(network, network_dict) foreign_naive = datetime.datetime(te.year, te.month, te.day, hr, m, tzinfo=foreign_timezone) try: return foreign_naive.astimezone(sb_timezone) except (ValueError): return foreign_naive def test_timeformat(t): mo = time_regex.search(t) if mo is None or len(mo.groups()) < 2: return False else: return True