- PAR2_REGEX = config.get_value ('regular expressions', 'par2_regex')
- regex = re.compile (PAR2_REGEX, re.IGNORECASE)
- return [f for f in files if regex.match (f)]
-
-def find_all_par2_files (dir):
- """Finds all par2 files in a directory"""
- # NOTE: does NOT return absolute paths
-
- if not os.path.isdir (os.path.abspath (dir)):
- raise ValueError # bad directory given
-
- dir = os.path.abspath (dir)
- files = os.listdir (dir)
-
- return find_par2_files (files)
-
-def has_extension (f, ext):
- """Checks if f has the extension ext"""
-
- if ext[0] != '.':
- ext = '.' + ext
-
- ext = re.escape (ext)
- regex = re.compile ('^.*%s$' % (ext, ), re.IGNORECASE)
- return regex.match (f)
-
-def find_extraction_heads (dir, files):
- """Takes a list of possible files and finds likely heads of
- extraction."""
-
- # NOTE: perhaps this should happen AFTER repair is
- # NOTE: successful. That way all files would already exist
-
- # According to various sources online:
- # 1) pre rar-3.0: .rar .r00 .r01 ...
- # 2) post rar-3.0: .part01.rar .part02.rar
- # 3) zip all ver: .zip
-
- extractor = None
- p2files = find_par2_files (files)
-
- # Old RAR type, find all files ending in .rar
- if is_oldrar (files):
- extractor = RarslaveExtractor (TYPE_OLDRAR)
- regex = re.compile ('^.*\.rar$', re.IGNORECASE)
- for f in files:
- if regex.match (f):
- extractor.addHead (dir, f)
-
- if is_newrar (files):
- extractor = RarslaveExtractor (TYPE_NEWRAR)
- regex = re.compile ('^.*\.part01.rar$', re.IGNORECASE)
- for f in files:
- if regex.match (f):
- extractor.addHead (dir, f)
-
- if is_zip (files):
- extractor = RarslaveExtractor (TYPE_ZIP)
- regex = re.compile ('^.*\.zip$', re.IGNORECASE)
- for f in files:
- if regex.match (f):
- extractor.addHead (dir, f)
-
- if is_noextract (files):
- # Use the Par2 Parser (from cfv) here to find out what files are protected.
- # Since these are not being extracted, they will be mv'd to another directory
- # later.
- extractor = RarslaveExtractor (TYPE_NOEXTRACT)
-
- for f in p2files:
- done = False
- try:
- prot_files = par2parser.get_protected_files (dir, f)
- done = True
- except: #FIXME: add the actual exceptions
- logger.addMessage ('Error parsing PAR2 file: %s', f)
- continue
-
- if done:
- break
-
- if done:
- for f in prot_files:
- extractor.addHead (dir, f)
- else:
- logger.addMessage ('Error parsing all PAR2 files in this set ...', True)
-
- # Make sure we found the type
- if extractor == None:
- logger.addMessage ('Not able to find an extractor for this type of set: %s' % p2files[0])
-
- # No-heads here, but it's better than failing completely
- extractor = RarslaveExtractor (TYPE_NOEXTRACT)
-
- return extractor
-
-def is_oldrar (files):
- for f in files:
- if has_extension (f, '.r00'):
- return True
-
- return False
-
-def is_newrar (files):
- for f in files:
- if has_extension (f, '.part01.rar'):
- return True
-
- return False
-
-def is_zip (files):
- for f in files:
- if has_extension (f, '.zip'):
- return True
-
- return False
-
-def is_noextract (files):
- # Type that needs no extraction.
- # TODO: Add others ???
- for f in files:
- if has_extension (f, '.001'):
- return True
-
- return False
-
-def find_deleteable_files (files):
- # Deleteable types regex should come from the config
- dfiles = []
- DELETE_REGEX = config.get_value ('regular expressions', 'delete_regex')
- dregex = re.compile (DELETE_REGEX, re.IGNORECASE)
-
- return [f for f in files if dregex.match (f)]
-
-def printlist (li):
- for f in li:
- print f
-
-class PAR2Set (object):
-
- dir = None
- file = None
- likely_files = []
-
- def __init__ (self, dir, file):
- assert os.path.isdir (dir)
- assert os.path.isfile (os.path.join (dir, file))
-
- self.dir = dir
- self.file = file
-
- basename = get_basename (file)
- self.likely_files = find_likely_files (basename, dir)
-
- def __list_eq (self, l1, l2):
-
- if len(l1) != len(l2):
- return False
-
- for e in l1:
- if e not in l2:
- return False
-
- return True
-
- def __eq__ (self, rhs):
- return self.__list_eq (self.likely_files, rhs.likely_files)
-
- def run_all (self):
- par2files = find_par2_files (self.likely_files)
- par2head = par2files[0]
-
- join = is_noextract (self.likely_files)
-
- # Repair Stage
- repairer = RarslaveRepairer (self.dir, par2head, join)
- ret = repairer.checkAndRepair ()
-
- if ret != SUCCESS:
- logger.addMessage ('Repair stage failed for: %s' % par2head)
- return -ECHECK
-
- # Extraction Stage
- EXTRACT_DIR = config.get_value ('directories', 'extract_directory')
- extractor = find_extraction_heads (self.dir, self.likely_files)
- ret = extractor.extract (EXTRACT_DIR)
-
- if ret != SUCCESS:
- logger.addMessage ('Extraction stage failed for: %s' % par2head)
- return -EEXTRACT
-
- # Deletion Stage
- DELETE_INTERACTIVE = config.get_value ('options', 'interactive')
- deleteable_files = find_deleteable_files (self.likely_files)
- ret = delete_list (deleteable_files, DELETE_INTERACTIVE)
-
- if ret != SUCCESS:
- logger.addMessage ('Deletion stage failed for: %s' % par2head)
- return -EDELETE
-
- logger.addMessage ('Successfully completed: %s' % par2head, True)
- return SUCCESS
-
-def delete_list (files, interactive=False):
- # Delete a list of files
-
- done = False
- valid_y = ['Y', 'YES']
- valid_n = ['N', 'NO']
-
- if interactive:
- while not done:
- print 'Do you want to delete the following?:'
- s = raw_input ('Delete [y/N]: ').upper()
-
- if s in valid_y + valid_n:
- done = True
-
- if s in valid_n:
- return SUCCESS
-
- for f in files:
- # FIXME: re-enable this in production
- # os.remove (f)
- print 'rm \"%s\"' % f
-
- return SUCCESS
-
-
-def generate_all_parsets (dir):
- # Generate all parsets in the given directory.
-
- assert os.path.isdir (dir) # Directory MUST be valid