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TRaSH-Guides/docs/Downloaders/NZBGet/scripts/HashRenamer/HashRenamer.py

185 lines
7.0 KiB

#!/usr/bin/env python3
#
##############################################################################
# Title: HashRenamer.py #
# Author(s): l3uddz, desimaniac #
# URL: https://github.com/l3uddz/nzbgetScripts #
# Description: Renames hashed media files to match the source NZB. #
# -- #
# Part of the Cloudbox project: https://cloudbox.works #
##############################################################################
##############################################################################
# Built on top of the NZBGet scripts template created by Clinton Hall #
# (https://github.com/clinton-hall). #
# Released under GNU General Public License v2.0 #
##############################################################################
##############################################################################
### NZBGET POST-PROCESSING SCRIPT ###
# Rename files with hashes for file name
#
# NOTE: This script requires Python to be installed on your system.
#
##############################################################################
### NZBGET POST-PROCESSING SCRIPT ###
##############################################################################
import os
import re
import shutil
import sys
# NZBGet Exit Codes
NZBGET_POSTPROCESS_PARCHECK = 92
NZBGET_POSTPROCESS_SUCCESS = 93
NZBGET_POSTPROCESS_ERROR = 94
NZBGET_POSTPROCESS_NONE = 95
############################################################
# EXTENSION STUFF
############################################################
def do_check():
if 'NZBOP_SCRIPTDIR' not in os.environ:
print("This script can only be called from NZBGet (11.0 or later).")
sys.exit(0)
if os.environ['NZBOP_VERSION'][0:5] < '11.0':
print("[ERROR] NZBGet Version %s is not supported. Please update NZBGet." % (str(os.environ['NZBOP_VERSION'])))
sys.exit(0)
print("Script triggered from NZBGet Version %s." % (str(os.environ['NZBOP_VERSION'])))
status = 0
if 'NZBPP_TOTALSTATUS' in os.environ:
if not os.environ['NZBPP_TOTALSTATUS'] == 'SUCCESS':
print("[ERROR] Download failed with status %s." % (os.environ['NZBPP_STATUS']))
status = 1
else:
# Check par status
if os.environ['NZBPP_PARSTATUS'] == '1' or os.environ['NZBPP_PARSTATUS'] == '4':
print("[ERROR] Par-repair failed, setting status \"failed\".")
status = 1
# Check unpack status
if os.environ['NZBPP_UNPACKSTATUS'] == '1':
print("[ERROR] Unpack failed, setting status \"failed\".")
status = 1
if os.environ['NZBPP_UNPACKSTATUS'] == '0' and os.environ['NZBPP_PARSTATUS'] == '0':
# Unpack was skipped due to nzb-file properties or due to errors during par-check
if os.environ['NZBPP_HEALTH'] < 1000:
print("[ERROR] Download health is compromised and Par-check/repair disabled or no .par2 files found. " \
"Setting status \"failed\".")
print("[ERROR] Please check your Par-check/repair settings for future downloads.")
status = 1
else:
print("[ERROR] Par-check/repair disabled or no .par2 files found, and Unpack not required. Health is " \
"ok so handle as though download successful.")
print("[WARNING] Please check your Par-check/repair settings for future downloads.")
# Check if destination directory exists (important for reprocessing of history items)
if not os.path.isdir(os.environ['NZBPP_DIRECTORY']):
print("[ERROR] Nothing to post-process: destination directory", os.environ[
'NZBPP_DIRECTORY'], "doesn't exist. Setting status \"failed\".")
status = 1
# All checks done, now launching the script.
if status == 1:
sys.exit(NZBGET_POSTPROCESS_NONE)
def get_file_name(path):
try:
file_name = os.path.basename(path)
extensions = re.findall(r'\.([^.]+)', file_name)
ext = '.'.join(extensions)
name = file_name.replace(".%s" % ext, '')
return name, ext
except Exception:
pass
return None
def is_file_hash(file_name):
hash_regexp = [
r'^[a-fA-F0-9]{40}$',
r'^[a-fA-F0-9]{32}$',
r'^[a-f0-9]{128}$',
r'^[a-zA-Z0-9]{42}$'
]
for hash in hash_regexp:
if re.match(hash, file_name):
return True
return False
def find_files(folder, extension=None, depth=None):
file_list = []
start_count = folder.count(os.sep)
for path, subdirs, files in os.walk(folder, topdown=True):
for name in files:
if depth and path.count(os.sep) - start_count >= depth:
del subdirs[:]
continue
file = os.path.join(path, name)
if not extension:
file_list.append(file)
else:
if file.lower().endswith(extension.lower()):
file_list.append(file)
return sorted(file_list, key=lambda x: x.count(os.path.sep), reverse=True)
############################################################
# MAIN
############################################################
# do checks
do_check()
# retrieve required variables
directory = os.path.normpath(os.environ['NZBPP_DIRECTORY'])
nzb_name = os.environ['NZBPP_NZBFILENAME']
if nzb_name is None:
print("[ERROR] Unable to retrieve NZBPP_NZBFILENAME")
sys.exit(NZBGET_POSTPROCESS_ERROR)
nzb_name = nzb_name.replace('.nzb', '')
print(("[INFO] Using \"%s\" for hashed filenames" % nzb_name))
print(("[INFO] Scanning \"%s\" for hashed filenames" % directory))
# scan for files
found_files = find_files(directory)
if not found_files:
print(("[INFO] No files were found in \"%s\"" % directory))
sys.exit(NZBGET_POSTPROCESS_NONE)
else:
print(("[INFO] Found %d files to check for hashed filenames" % len(found_files)))
# loop files checking for file hash
moved_files = 0
for found_file_path in found_files:
# set variable
dir_name = os.path.dirname(found_file_path)
file_name, file_ext = get_file_name(found_file_path)
# is this a file hash
if is_file_hash(file_name):
new_file_path = os.path.join(dir_name, "%s.%s" % (nzb_name, file_ext))
print(("[INFO] Moving \"%s\" to \"%s\"" % (found_file_path, new_file_path)))
try:
shutil.move(found_file_path, new_file_path)
moved_files += 1
except Exception:
print(("[ERROR] Failed moving \"%s\" to \"%s\"" % (found_file_path, new_file_path)))
print(("[INFO] Finished processing \"%s\", moved %d files" % (directory, moved_files)))
sys.exit(NZBGET_POSTPROCESS_SUCCESS)