#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Various functions and decorators for PKC
"""
from __future__ import absolute_import, division, unicode_literals
from logging import getLogger
from sqlite3 import connect, OperationalError
from datetime import datetime
from unicodedata import normalize
from threading import Lock
# Originally tried faster cElementTree, but does NOT work reliably with Kodi
import xml.etree.ElementTree as etree
import defusedxml.ElementTree as defused_etree # etree parse unsafe
from xml.etree.ElementTree import ParseError
from functools import wraps
import hashlib
import re
import gc
import xbmc
import xbmcaddon
import xbmcgui
from . import path_ops, variables as v
###############################################################################
LOG = getLogger('PLEX.utils')
WINDOW = xbmcgui.Window(10000)
ADDON = xbmcaddon.Addon(id='plugin.video.plexkodiconnect')
# If several threads access the settings.xml file concurrently, it gets
# corrupted
SETTINGS_LOCK = Lock()
# Grab Plex id from '...plex_id=XXXX....'
REGEX_PLEX_ID = re.compile(r'''plex_id=(\d+)''')
# Return the numbers at the end of an url like '.../.../XXXX'
REGEX_END_DIGITS = re.compile(r'''/(.+)/(\d+)$''')
REGEX_PLEX_DIRECT = re.compile(r'''\.plex\.direct:\d+$''')
# Plex API
REGEX_IMDB = re.compile(r'''/(tt\d+)''')
REGEX_TVDB = re.compile(r'''thetvdb:\/\/(.+?)\?''')
# Plex music
REGEX_MUSICPATH = re.compile(r'''^\^(.+)\$$''')
# Grab Plex id from an URL-encoded string
REGEX_PLEX_ID_FROM_URL = re.compile(r'''metadata%2F(\d+)''')
###############################################################################
# Main methods
def garbageCollect():
gc.collect(2)
def setGlobalProperty(key, val):
xbmcgui.Window(10000).setProperty(
'plugin.video.plexkodiconnect.{0}'.format(key), val)
def setGlobalBoolProperty(key, boolean):
xbmcgui.Window(10000).setProperty(
'plugin.video.plexkodiconnect.{0}'.format(key), boolean and '1' or '')
def getGlobalProperty(key):
return xbmc.getInfoLabel(
'Window(10000).Property(plugin.video.plexkodiconnect.{0})'.format(key))
def reboot_kodi(message=None):
"""
Displays an OK prompt with 'Kodi will now restart to apply the changes'
Kodi will then reboot.
Set optional custom message
"""
message = message or lang(33033)
messageDialog(lang(29999), message)
xbmc.executebuiltin('RestartApp')
def window(prop, value=None, clear=False, windowid=10000):
"""
Get or set window property - thread safe!
Returns unicode.
Property and value may be string or unicode
"""
if windowid != 10000:
win = xbmcgui.Window(windowid)
else:
win = WINDOW
if clear:
win.clearProperty(prop)
elif value is not None:
win.setProperty(try_encode(prop), try_encode(value))
else:
return try_decode(win.getProperty(prop))
def settings(setting, value=None):
"""
Get or add addon setting. Returns unicode
setting and value can either be unicode or string
"""
# We need to instantiate every single time to read changed variables!
with SETTINGS_LOCK:
addon = xbmcaddon.Addon(id='plugin.video.plexkodiconnect')
if value is not None:
# Takes string or unicode by default!
addon.setSetting(try_encode(setting), try_encode(value))
else:
# Should return unicode by default, but just in case
return try_decode(addon.getSetting(setting))
def lang(stringid):
"""
Central string retrieval from strings.po. If not found within PKC,
standard XBMC/Kodi strings are retrieved.
Will return unicode
"""
return (ADDON.getLocalizedString(stringid) or
xbmc.getLocalizedString(stringid))
def messageDialog(heading, msg):
"""
Shows a dialog using the Plex layout
"""
from .windows import optionsdialog
optionsdialog.show(heading, msg, lang(186))
def yesno_dialog(heading, msg):
"""
Shows a dialog with a yes and a no button using the Plex layout.
Returns True if the user selected yes, False otherwise
"""
from .windows import optionsdialog
return optionsdialog.show(heading, msg, lang(107), lang(106)) == 0
def dialog(typus, *args, **kwargs):
"""
Displays xbmcgui Dialog. Pass a string as typus:
'yesno', 'ok', 'notification', 'input', 'select', 'numeric'
kwargs:
heading='{plex}' title bar (here PlexKodiConnect)
message=lang(30128), Dialog content. Don't use with 'OK', 'yesno'
line1=str(), For 'OK' and 'yesno' dialogs use line1...line3!
time=5000,
sound=True,
nolabel=str(), For 'yesno' dialogs
yeslabel=str(), For 'yesno' dialogs
Icons:
icon='{plex}' Display Plex standard icon
icon='{info}' xbmcgui.NOTIFICATION_INFO
icon='{warning}' xbmcgui.NOTIFICATION_WARNING
icon='{error}' xbmcgui.NOTIFICATION_ERROR
Input Types:
type='{alphanum}' xbmcgui.INPUT_ALPHANUM (standard keyboard)
type='{numeric}' xbmcgui.INPUT_NUMERIC (format: #)
type='{date}' xbmcgui.INPUT_DATE (format: DD/MM/YYYY)
type='{time}' xbmcgui.INPUT_TIME (format: HH:MM)
type='{ipaddress}' xbmcgui.INPUT_IPADDRESS (format: #.#.#.#)
type='{password}' xbmcgui.INPUT_PASSWORD
(return md5 hash of input, input is masked)
Options:
option='{password}' xbmcgui.PASSWORD_VERIFY (verifies an existing
(default) md5 hashed password)
option='{hide}' xbmcgui.ALPHANUM_HIDE_INPUT (masks input)
"""
if 'icon' in kwargs:
types = {
'{plex}': 'special://home/addons/plugin.video.plexkodiconnect/icon.png',
'{info}': xbmcgui.NOTIFICATION_INFO,
'{warning}': xbmcgui.NOTIFICATION_WARNING,
'{error}': xbmcgui.NOTIFICATION_ERROR
}
for key, value in types.iteritems():
kwargs['icon'] = kwargs['icon'].replace(key, value)
if 'type' in kwargs:
types = {
'{alphanum}': xbmcgui.INPUT_ALPHANUM,
'{numeric}': xbmcgui.INPUT_NUMERIC,
'{date}': xbmcgui.INPUT_DATE,
'{time}': xbmcgui.INPUT_TIME,
'{ipaddress}': xbmcgui.INPUT_IPADDRESS,
'{password}': xbmcgui.INPUT_PASSWORD
}
kwargs['type'] = types[kwargs['type']]
if 'option' in kwargs:
types = {
'{password}': xbmcgui.PASSWORD_VERIFY,
'{hide}': xbmcgui.ALPHANUM_HIDE_INPUT
}
kwargs['option'] = types[kwargs['option']]
if 'heading' in kwargs:
kwargs['heading'] = kwargs['heading'].replace("{plex}",
lang(29999))
dia = xbmcgui.Dialog()
types = {
'yesno': dia.yesno,
'ok': dia.ok,
'notification': dia.notification,
'input': dia.input,
'select': dia.select,
'numeric': dia.numeric
}
return types[typus](*args, **kwargs)
def ERROR(txt='', hide_tb=False, notify=False, cancel_sync=False):
import sys
short = str(sys.exc_info()[1])
LOG.error('Error encountered: %s - %s', txt, short)
if cancel_sync:
from . import app
app.APP.stop_threads(block=False)
if hide_tb:
return short
import traceback
trace = traceback.format_exc()
LOG.error("_____________________________________________________________")
for line in trace.splitlines():
LOG.error(' ' + line)
LOG.error("_____________________________________________________________")
if notify:
dialog('notification',
heading='{plex}',
message=short,
icon='{error}')
return short
class AttributeDict(dict):
"""
Turns an etree xml response's xml.attrib into an object with attributes
"""
def __getattr__(self, attr):
return self.get(attr)
def __setattr__(self, attr, value):
self[attr] = value
def __unicode__(self):
return '<{0}:{1}:{2}>'.format(self.__class__.__name__,
self.id,
self.get('title', 'None'))
def __repr__(self):
return self.__unicode__().encode('utf-8')
def cast(func, value):
"""
Cast the specified value to the specified type (returned by func). Currently this
only support int, float, bool. Should be extended if needed.
Parameters:
func (func): Calback function to used cast to type (int, bool, float).
value (any): value to be cast and returned.
"""
if value is not None:
if func == bool:
return bool(int(value))
elif func == unicode:
if isinstance(value, (int, long, float)):
return unicode(value)
else:
return value.decode('utf-8')
elif func == str:
if isinstance(value, (int, long, float)):
return str(value)
else:
return value.encode('utf-8')
elif func in (int, float):
try:
return func(value)
except ValueError:
return float('nan')
return func(value)
return value
def try_encode(input_str, encoding='utf-8'):
"""
Will try to encode input_str (in unicode) to encoding. This possibly
fails with e.g. Android TV's Python, which does not accept arguments for
string.encode()
"""
if isinstance(input_str, str):
# already encoded
return input_str
try:
input_str = input_str.encode(encoding, "ignore")
except TypeError:
input_str = input_str.encode()
return input_str
def try_decode(string, encoding='utf-8'):
"""
Will try to decode string (encoded) using encoding. This possibly
fails with e.g. Android TV's Python, which does not accept arguments for
string.encode()
"""
if isinstance(string, unicode):
# already decoded
return string
try:
string = string.decode(encoding, "ignore")
except TypeError:
string = string.decode()
return string
def slugify(text):
"""
Normalizes text (in unicode or string) to e.g. enable safe filenames.
Returns unicode
"""
if not isinstance(text, unicode):
text = unicode(text)
return unicode(normalize('NFKD', text).encode('ascii', 'ignore'))
def valid_filename(text):
"""
Return a valid filename after passing it in [unicode].
"""
# Get rid of all whitespace except a normal space
text = re.sub(r'(?! )\s', '', text)
# ASCII characters 0 to 31 (non-printable, just in case)
text = re.sub(u'[\x00-\x1f]', '', text)
if v.DEVICE == 'Windows':
# Whitespace at the end of the filename is illegal
text = text.strip()
# Dot at the end of a filename is illegal
text = re.sub(r'\.+$', '', text)
# Illegal Windows characters
text = re.sub(r'[/\\:*?"<>|\^]', '', text)
elif v.DEVICE == 'MacOSX':
# Colon is illegal
text = re.sub(r':', '', text)
# Files cannot begin with a dot
text = re.sub(r'^\.+', '', text)
else:
# Linux
text = re.sub(r'/', '', text)
# Ensure that filename length is at most 255 chars (including 3 chars for
# filename extension and 1 dot to separate the extension)
text = text[:min(len(text), 251)]
return text
def escape_html(string):
"""
Escapes the following:
< to <
> to >
& to &
"""
escapes = {
'<': '<',
'>': '>',
'&': '&'
}
for key, value in escapes.iteritems():
string = string.replace(key, value)
return string
def kodi_sql(media_type=None):
"""
Open a connection to the Kodi database.
media_type: 'video' (standard if not passed), 'plex', 'music', 'texture'
"""
if media_type == "plex":
db_path = v.DB_PLEX_PATH
elif media_type == "music":
db_path = v.DB_MUSIC_PATH
elif media_type == "texture":
db_path = v.DB_TEXTURE_PATH
else:
db_path = v.DB_VIDEO_PATH
conn = connect(db_path, timeout=30.0)
conn.execute('PRAGMA journal_mode=WAL;')
conn.execute('PRAGMA cache_size = -8000;')
conn.execute('PRAGMA synchronous=NORMAL;')
conn.execute('BEGIN')
# Use transactions
return conn
def create_kodi_db_indicees():
"""
Index the "actors" because we got a TON - speed up SELECT and WHEN
"""
conn = kodi_sql('video')
cursor = conn.cursor()
commands = (
'CREATE UNIQUE INDEX IF NOT EXISTS ix_actor_2 ON actor (actor_id);',
'CREATE UNIQUE INDEX IF NOT EXISTS ix_files_2 ON files (idFile);',
)
for cmd in commands:
cursor.execute(cmd)
# Already used in Kodi >=17: CREATE UNIQUE INDEX ix_actor_1 ON actor (name)
# try:
# cursor.execute('CREATE UNIQUE INDEX ix_pkc_actor_index ON actor (name);')
# except OperationalError:
# # Index already exists
# pass
conn.commit()
conn.close()
def wipe_database():
"""
Deletes all Plex playlists as well as video nodes, then clears Kodi as well
as Plex databases completely.
Will also delete all cached artwork.
"""
LOG.warn('Start wiping')
# Clean up the playlists
delete_playlists()
# Clean up the video nodes
delete_nodes()
from . import kodi_db, plex_db
# First get the paths to all synced playlists
playlist_paths = []
try:
with plex_db.PlexDB() as plexdb:
if plexdb.songs_have_been_synced():
LOG.info('Detected that music has also been synced - wiping music')
music = True
else:
LOG.info('No music has been synced in the past - not wiping')
music = False
plexdb.cursor.execute('SELECT kodi_path FROM playlists')
for entry in plexdb.cursor:
playlist_paths.append(entry[0])
except OperationalError:
# Plex DB completely empty yet. Wipe existing Kodi music only if we
# expect to sync Plex music
music = settings('enableMusic') == 'true'
kodi_db.wipe_dbs(music)
plex_db.wipe()
# Delete all synced playlists
for path in playlist_paths:
try:
path_ops.remove(path)
LOG.debug('Removed playlist %s', path)
except (OSError, IOError):
LOG.warn('Could not remove playlist %s', path)
LOG.info("Resetting all cached artwork.")
# Remove all cached artwork
kodi_db.reset_cached_images()
# reset the install run flag
settings('SyncInstallRunDone', value="false")
settings('lastfullsync', value="0")
init_dbs()
LOG.info('Wiping done')
if settings('kodi_db_has_been_wiped_clean') != 'true':
# Root cause is sqlite WAL mode - Kodi might still have DB access open
LOG.warn('Need to restart Kodi before filling Kodi DB again')
settings('kodi_db_has_been_wiped_clean', value='true')
reboot_kodi()
def init_dbs():
"""
Call e.g. on startup to ensure that Plex and Kodi DBs look like they should
"""
from . import kodi_db, plex_db
# Ensure that Plex DB is set-up
plex_db.initialize()
# Hack to speed up look-ups for actors (giant table!)
create_kodi_db_indicees()
kodi_db.setup_kodi_default_entries()
with kodi_db.KodiVideoDB() as kodidb:
# Setup the paths for addon-paths (even when using direct paths)
kodidb.setup_path_table()
LOG.info('Init DBs done')
def reset(ask_user=True):
"""
User navigated to the PKC settings, Advanced, and wants to reset the Kodi
database and possibly PKC entirely
"""
# Are you sure you want to reset your local Kodi database?
if ask_user and not yesno_dialog(lang(29999), lang(39600)):
return
from . import app
# first stop any db sync
app.APP.suspend_threads()
# Reset all PlexKodiConnect Addon settings? (this is usually NOT
# recommended and unnecessary!)
if ask_user and yesno_dialog(lang(29999), lang(39603)):
# Delete the settings
LOG.info("Deleting: settings.xml")
path_ops.remove("%ssettings.xml" % v.ADDON_PROFILE)
# Wipe everything
wipe_database()
reboot_kodi()
def compare_version(current, minimum):
"""
Returns True if current is >= then minimum. False otherwise. Returns True
if there was no valid input for current!
Input strings: e.g. "1.2.3"; always with Major, Minor and Patch!
"""
LOG.info("current DB: %s minimum DB: %s", current, minimum)
try:
curr_major, curr_minor, curr_patch = current.split(".")
except ValueError:
# there WAS no current DB, e.g. deleted.
return True
min_major, min_minor, min_patch = minimum.split(".")
curr_major = int(curr_major)
curr_minor = int(curr_minor)
curr_patch = int(curr_patch)
min_major = int(min_major)
min_minor = int(min_minor)
min_patch = int(min_patch)
if curr_major > min_major:
return True
elif curr_major < min_major:
return False
if curr_minor > min_minor:
return True
elif curr_minor < min_minor:
return False
return curr_patch >= min_patch
def normalize_string(text):
"""
For theme media, do not modify unless modified in TV Tunes
"""
text = text.replace(":", "")
text = text.replace("/", "-")
text = text.replace("\\", "-")
text = text.replace("<", "")
text = text.replace(">", "")
text = text.replace("*", "")
text = text.replace("?", "")
text = text.replace('|', "")
text = text.strip()
# Remove dots from the last character as windows can not have directories
# with dots at the end
text = text.rstrip('.')
text = try_encode(normalize('NFKD', unicode(text, 'utf-8')))
return text
def normalize_nodes(text):
"""
For video nodes. Returns unicode
"""
text = text.replace(":", "")
text = text.replace("/", "-")
text = text.replace("\\", "-")
text = text.replace("<", "")
text = text.replace(">", "")
text = text.replace("*", "")
text = text.replace("?", "")
text = text.replace('|', "")
text = text.replace('(', "")
text = text.replace(')', "")
text = text.strip()
# Remove dots from the last character as windows can not have directories
# with dots at the end
text = text.rstrip('.')
text = normalize('NFKD', unicode(text, 'utf-8'))
return text
def indent(elem, level=0):
"""
Prettifies xml trees. Pass the etree root in
"""
try:
i = "\n" + level * " "
if len(elem):
if not elem.text or not elem.text.strip():
elem.text = i + " "
if not elem.tail or not elem.tail.strip():
elem.tail = i
for elem in elem:
indent(elem, level + 1)
if not elem.tail or not elem.tail.strip():
elem.tail = i
else:
if level and (not elem.tail or not elem.tail.strip()):
elem.tail = i
except Exception as err:
LOG.info('Indentation failed with: %s', err)
class XmlKodiSetting(object):
"""
Used to load a Kodi XML settings file from special://profile as an etree
object to read settings or set them. Usage:
with XmlKodiSetting(filename,
path=None,
force_create=False,
top_element=None) as xml:
xml.get_setting('test')
filename [str]: filename of the Kodi settings file under
path [str]: if set, replace special://profile path with custom
path
force_create: will create the XML file if it does not exist
top_element [str]: Name of the top xml element; used if xml does not
yet exist
Raises IOError if the file does not exist or is empty and force_create
has been set to False.
Raises utils.ParseError if the file could not be parsed by etree
xml.write_xml Set to True if we need to write the XML to disk
"""
def __init__(self, filename, path=None, force_create=False,
top_element=None):
self.filename = filename
if path is None:
self.path = path_ops.path.join(v.KODI_PROFILE, filename)
else:
self.path = path_ops.path.join(path, filename)
self.force_create = force_create
self.top_element = top_element
self.tree = None
self.root = None
self.write_xml = False
def __enter__(self):
try:
self.tree = defused_etree.parse(self.path)
except IOError:
# Document is blank or missing
if self.force_create is False:
LOG.debug('%s does not seem to exist; not creating', self.path)
# This will abort __enter__
self.__exit__(IOError('File not found'), None, None)
# Create topmost xml entry
self.tree = etree.ElementTree(etree.Element(self.top_element))
self.write_xml = True
except ParseError:
LOG.error('Error parsing %s', self.path)
# "Kodi cannot parse {0}. PKC will not function correctly. Please
# visit {1} and correct your file!"
messageDialog(lang(29999), lang(39716).format(
self.filename,
'http://kodi.wiki'))
self.__exit__(ParseError('Error parsing XML'), None, None)
self.root = self.tree.getroot()
return self
def __exit__(self, e_typ, e_val, trcbak):
if e_typ:
# re-raise any exception
return False
# Only safe to file if we did not botch anything
if self.write_xml is True:
self._remove_empty_elements()
# Indent and make readable
indent(self.root)
# Safe the changed xml
try:
self.tree.write(self.path, encoding='utf-8')
except IOError as err:
LOG.error('Could not save xml %s. Error: %s',
self.filename, err)
# Could not change the Kodi settings file {0}. PKC might not
# work correctly. Error: {1}
if not settings('%s_ioerror' % self.filename):
messageDialog(lang(29999),
lang(30417).format(self.filename, err))
settings('%s_ioerror' % self.filename,
value='warning_shown')
def _is_empty(self, element, empty_elements):
empty = True
for child in element:
empty_child = True
if list(child):
empty_child = self._is_empty(child, empty_elements)
if empty_child and (child.attrib or
(child.text and child.text.strip())):
empty_child = False
if empty_child:
empty_elements.append((element, child))
else:
# At least one non-empty entry - hence we cannot delete the
# original element itself
empty = False
return empty
def _remove_empty_elements(self):
"""
Deletes all empty XML elements, otherwise Kodi/PKC gets confused
This is recursive, so an empty element with empty children will also
get deleted
"""
empty_elements = []
self._is_empty(self.root, empty_elements)
for element, child in empty_elements:
element.remove(child)
@staticmethod
def _set_sub_element(element, subelement):
"""
Returns an etree element's subelement. Creates one if not exist
"""
answ = element.find(subelement)
if answ is None:
answ = etree.SubElement(element, subelement)
return answ
def get_setting(self, node_list):
"""
node_list is a list of node names starting from the outside, ignoring
the outter advancedsettings.
Example nodelist=['video', 'busydialogdelayms'] for the following xml
would return the etree Element:
750
for the following example xml:
Returns the etree element or None if not found
"""
element = self.root
for node in node_list:
element = element.find(node)
if element is None:
break
return element
def set_setting(self, node_list, value=None, attrib=None, append=False):
"""
node_list is a list of node names starting from the outside, ignoring
the outter advancedsettings.
Example nodelist=['video', 'busydialogdelayms'] for the following xml
would return the etree Element:
750
for the following example xml:
value, e.g. '750' will be set accordingly, returning the new
etree Element. Advancedsettings might be generated if it did not exist
already
If the dict attrib is set, the Element's attributs will be appended
accordingly
If append is True, the last element of node_list with value and attrib
will always be added. WARNING: this will set self.write_xml to True!
Returns the (last) etree element
"""
attrib = attrib or {}
value = value or ''
if not append:
old = self.get_setting(node_list)
if (old is not None and
old.text.strip() == value and
old.attrib == attrib):
# Already set exactly these values
return old
LOG.debug('Adding etree to: %s, value: %s, attrib: %s, append: %s',
node_list, value, attrib, append)
self.write_xml = True
element = self.root
nodes = node_list[:-1] if append else node_list
for node in nodes:
element = self._set_sub_element(element, node)
if append:
element = etree.SubElement(element, node_list[-1])
# Write new values
element.text = value
if attrib:
for key, attribute in attrib.iteritems():
element.set(key, attribute)
return element
def playlist_xsp(mediatype, tagname, viewid, viewtype="", delete=False):
"""
Feed with tagname as unicode
"""
path = path_ops.translate_path("special://profile/playlists/video/")
if viewtype == "mixed":
plname = "%s - %s" % (tagname, mediatype)
xsppath = "%sPlex %s - %s.xsp" % (path, viewid, mediatype)
else:
plname = tagname
xsppath = "%sPlex %s.xsp" % (path, viewid)
# Create the playlist directory
if not path_ops.exists(path):
LOG.info("Creating directory: %s", path)
path_ops.makedirs(path)
# Only add the playlist if it doesn't already exists
if path_ops.exists(xsppath):
LOG.info('Path %s does exist', xsppath)
if delete:
path_ops.remove(xsppath)
LOG.info("Successfully removed playlist: %s.", tagname)
return
# Using write process since there's no guarantee the xml declaration works
# with etree
kinds = {
'homevideos': 'movies',
'movie': 'movies',
'show': 'tvshows'
}
LOG.info("Writing playlist file to: %s", xsppath)
with open(path_ops.encode_path(xsppath), 'wb') as filer:
filer.write(try_encode(
'\n'
'\n\t'
'Plex %s\n\t'
'all\n\t'
'\n\t\t'
'%s\n\t'
'\n'
'\n'
% (kinds.get(mediatype, mediatype), plname, tagname)))
LOG.info("Successfully added playlist: %s", tagname)
def delete_playlists():
"""
Clean up the playlists
"""
path = path_ops.translate_path('special://profile/playlists/video/')
for root, _, files in path_ops.walk(path):
for file in files:
if file.startswith('Plex'):
path_ops.remove(path_ops.path.join(root, file))
def delete_nodes():
"""
Clean up video nodes
"""
path = path_ops.translate_path("special://profile/library/video/")
for root, dirs, _ in path_ops.walk(path):
for directory in dirs:
if directory.startswith('Plex-'):
path_ops.rmtree(path_ops.path.join(root, directory))
break
def generate_file_md5(path):
"""
Generates the md5 hash value for the file located at path [unicode].
The hash does not include the path and filename and is thus identical for
a file that was moved/changed name.
Returns a unique unicode containing only hexadecimal digits
"""
m = hashlib.md5()
with open(path_ops.encode_path(path), 'rb') as f:
while True:
piece = f.read(32768)
if not piece:
break
m.update(piece)
return m.hexdigest().decode('utf-8')
###############################################################################
# WRAPPERS
def catch_exceptions(warnuser=False):
"""
Decorator for methods to catch exceptions and log them. Useful for e.g.
librarysync threads using itemtypes.py, because otherwise we would not
get informed of crashes
warnuser=True: sets the window flag 'plex_scancrashed' to true
which will trigger a Kodi infobox to inform user
"""
def decorate(func):
"""
Decorator construct
"""
@wraps(func)
def wrapper(*args, **kwargs):
"""
Wrapper construct
"""
try:
return func(*args, **kwargs)
except Exception as err:
LOG.error('%s has crashed. Error: %s', func.__name__, err)
import traceback
LOG.error("Traceback:\n%s", traceback.format_exc())
if warnuser:
window('plex_scancrashed', value='true')
return
return wrapper
return decorate
def log_time(func):
"""
Decorator for functions and methods to log the time it took to run the code
"""
@wraps(func)
def wrapper(*args, **kwargs):
starttotal = datetime.now()
result = func(*args, **kwargs)
elapsedtotal = datetime.now() - starttotal
LOG.info('It took %s to run the function %s',
elapsedtotal, func.__name__)
return result
return wrapper