--- /dev/null
+#!/usr/bin/env python
+# vim: set ts=4 sts=4 sw=4 textwidth=92:
+
+from RarslaveCommon import *
+import RarslaveLogger
+import Par2Parser
+
+import re
+import os
+
+# This is a fairly generic class which does all of the major things that a PAR2
+# set will need to have done to be verified and extracted. For most "normal" types
+# you won't need to override hardly anything.
+#
+# It is ok to override other functions if the need arises, just make sure that you
+# understand why things are done the way that they are in the original versions.
+#
+# Assumptions made about each of the run*() functions:
+# ==============================================================================
+# The state of self.name_matched_files and self.prot_matched_files will be consistent
+# with the real, in-filesystem state at the time that they are called.
+# (This is why runAll() calls update_matches() all the time.)
+#
+# Required overrides:
+# ==============================================================================
+# find_extraction_heads ()
+# extraction_function ()
+#
+
+class PAR2Set (object):
+
+ # Instance Variables
+ # ==========================================================================
+ # dir -- The directory this set lives in
+ # p2file -- The starting PAR2 file
+ # basename -- The basename of the set, guessed from the PAR2 file
+ # all_p2files -- All PAR2 files of the set, guessed from the PAR2 file name only
+ # name_matched_files -- Files in this set, guessed by name only
+ # prot_matched_files -- Files in this set, guessed by parsing the PAR2 only
+
+ def __init__ (self, dir, p2file):
+ assert os.path.isdir (dir)
+ assert os.path.isfile (os.path.join (dir, p2file))
+
+ # The real "meat" of the class
+ self.dir = dir
+ self.p2file = p2file
+ self.basename = get_basename (p2file)
+
+ # Find files that match by name only
+ self.name_matched_files = find_name_matches (self.dir, self.basename)
+
+ # Find all par2 files for this set using name matches
+ self.all_p2files = find_par2_files (self.name_matched_files)
+
+ # Try to get the protected files for this set
+ self.prot_matched_files = parse_all_par2 (self.dir, self.p2file, self.all_p2files)
+
+ # Setup the all_files combined set (for convenience only)
+ self.all_files = no_duplicates (self.name_matched_files + self.prot_matched_files)
+
+ def __eq__ (self, rhs):
+ return (self.dir == rhs.dir) and (self.basename == rhs.basename) and \
+ list_eq (self.name_matched_files, rhs.name_matched_files) and \
+ list_eq (self.prot_matched_files, rhs.prot_matched_files)
+
+ def update_matches (self):
+ """Updates the contents of instance variables which are likely to change after
+ running an operation, usually one which will create new files."""
+
+ self.name_matched_files = find_name_matches (self.dir, self.basename)
+ self.all_files = no_duplicates (self.name_matched_files + self.prot_matched_files)
+
+ def runVerifyAndRepair (self):
+ PAR2_CMD = config_get_value ('commands', 'par2repair')
+
+ # assemble the command
+ # par2repair -- PAR2 PAR2_EXTRA [JOIN_FILES]
+ command = "%s \"%s\" " % (PAR2_CMD, self.p2file)
+
+ for f in self.all_p2files:
+ if f != self.p2file:
+ command += "\"%s\" " % os.path.split (f)[1]
+
+ # run the command
+ ret = run_command (command, self.dir)
+
+ # check the result
+ if ret != 0:
+ fatalMessage ('PAR2 Check / Repair failed: %s' % self.p2file)
+ return -ECHECK
+
+ return SUCCESS
+
+ def find_deleteable_files (self):
+ DELETE_REGEX = config_get_value ('regular expressions', 'delete_regex')
+ dregex = re.compile (DELETE_REGEX, re.IGNORECASE)
+
+ return [f for f in self.all_files if dregex.match (f)]
+
+ def delete_list_of_files (self, dir, files, interactive=False):
+ # Delete a list of files
+
+ assert os.path.isdir (dir)
+
+ done = False
+ valid_y = ['Y', 'YES']
+ valid_n = ['N', 'NO', '']
+
+ if interactive:
+ while not done:
+ print 'Do you want to delete the following?:'
+ for f in files:
+ print f
+ 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:
+ try:
+ os.remove (os.path.join (dir, f))
+ debugMessage ('Deleteing: %s' % os.path.join (dir, f))
+ except:
+ fatalMessage ('Failed to delete: %s' % os.path.join (dir, f))
+ return -EDELETE
+
+ return SUCCESS
+
+ def runDelete (self):
+ deleteable_files = self.find_deleteable_files ()
+ ret = self.delete_list_of_files (self.dir, deleteable_files, \
+ options_get_value ('interactive'))
+
+ return ret
+
+ def runAll (self):
+
+ # Repair Stage
+ ret = self.runVerifyAndRepair ()
+
+ if ret != SUCCESS:
+ fatalMessage ('Repair stage failed for: %s' % self.p2file)
+ return -ECHECK
+
+ self.update_matches ()
+
+ # Extraction Stage
+ ret = self.runExtract ()
+
+ if ret != SUCCESS:
+ fatalMessage ('Extraction stage failed for: %s' % self.p2file)
+ return -EEXTRACT
+
+ self.update_matches ()
+
+ # Deletion Stage
+ ret = self.runDelete ()
+
+ if ret != SUCCESS:
+ fatalMessage ('Deletion stage failed for: %s' % self.p2file)
+ return -EDELETE
+
+ normalMessage ('Successfully completed: %s' % self.p2file)
+ return SUCCESS
+
+ def safe_create_directory (self, dir):
+ if dir == None:
+ return SUCCESS
+
+ if os.path.isdir (dir):
+ return SUCCESS
+
+ try:
+ os.makedirs (dir)
+ verboseMessage ('Created directory: %s' % dir)
+ except OSError:
+ fatalMessage ('FAILED to create directory: %s' % dir)
+ return -ECREATE
+
+ return SUCCESS
+
+ def runExtract (self, todir=None):
+ """Extract all heads of this set"""
+
+ # Extract to the head's dir if we don't care where to extract
+ if todir == None:
+ todir = self.dir
+
+ # Create the directory $todir if it doesn't exist
+ ret = self.safe_create_directory (todir)
+
+ if ret != SUCCESS:
+ return -EEXTRACT
+
+ # Call the extraction function on each head
+ for h in self.find_extraction_heads ():
+ full_head = full_abspath (os.path.join (self.dir, h))
+ ret = self.extraction_function (full_head, todir)
+ debugMessage ('Extraction Function returned: %d' % ret)
+
+ # Check error code
+ if ret != SUCCESS:
+ fatalMessage ('Failed extracting: %s' % h)
+ return -EEXTRACT
+
+ return SUCCESS
+
+ def find_extraction_heads (self):
+ assert False # You MUST override this on a per-type basis
+
+ def extraction_function (self, file, todir):
+ # NOTE: Please keep the prototype the same for all overridden functions.
+ # Doing so will guarantee that your life is made much easier.
+ #
+ # Also note that the todir given will always be valid for the current directory
+ # when the function is called.
+
+ assert False # You MUST override this on a per-type basis
+
--- /dev/null
+#!/usr/bin/env python
+# vim: set ts=4 sts=4 sw=4 textwidth=92:
+
+import PAR2Set_NEWRAR
+import PAR2Set_EXTRACTFIRST
+from RarslaveCommon import *
+
+#
+# This is an old-style rar type
+#
+# It will detect sets like the following:
+# X.par2
+# X.vol0+1.par2
+# X.vol1+2.par2
+# X.rar
+# X.r00
+# X.r01
+#
+# OR
+#
+# ABC.rar
+# ABC.r00
+# ABC.r01
+#
+# Where the PAR2 files protect all files that do not match in basename
+# with the PAR2 file itself.
+#
+
+def detect_EF_NEWRAR (name_files, prot_files):
+ return has_a_match ('^.*\.part0*1\.rar$', name_files) \
+ and not has_a_match ('^.*\.part0*1\.rar$', prot_files)
+
+
+class PAR2Set_EF_NEWRAR (PAR2Set_EXTRACTFIRST.PAR2Set_EXTRACTFIRST,
+ PAR2Set_NEWRAR.PAR2Set_NEWRAR):
+
+ def __repr__ (self):
+ return 'EXTRACTFIRST NEWRAR'
+
--- /dev/null
+#!/usr/bin/env python
+# vim: set ts=4 sts=4 sw=4 textwidth=92:
+
+import PAR2Set_OLDRAR
+import PAR2Set_EXTRACTFIRST
+from RarslaveCommon import *
+
+#
+# This is an old-style rar type
+#
+# It will detect sets like the following:
+# X.par2
+# X.vol0+1.par2
+# X.vol1+2.par2
+# X.rar
+# X.r00
+# X.r01
+#
+# OR
+#
+# ABC.rar
+# ABC.r00
+# ABC.r01
+#
+# Where the PAR2 files protect all files that do not match in basename
+# with the PAR2 file itself.
+#
+
+def detect_EF_OLDRAR (name_files, prot_files):
+ return has_a_match ('^.*\.r00$', name_files) \
+ and not has_a_match ('^.*\.r00$', prot_files)
+
+
+class PAR2Set_EF_OLDRAR (PAR2Set_EXTRACTFIRST.PAR2Set_EXTRACTFIRST,
+ PAR2Set_OLDRAR.PAR2Set_OLDRAR):
+
+ def __repr__ (self):
+ return 'EXTRACTFIRST OLDRAR'
+
--- /dev/null
+#!/usr/bin/env python
+# vim: set ts=4 sts=4 sw=4 textwidth=92:
+
+import PAR2Set
+from RarslaveCommon import *
+
+#
+# This is another base class for types that must
+# run the extraction routine before the repair routine
+#
+# It will detect sets like the following:
+# X.par2
+# X.vol0+1.par2
+# X.vol1+2.par2
+# X.part01.rar
+# X.part02.rar
+# X.part03.rar
+#
+# Where the PAR2 files protect a file named X.avi, but not the X.part01.rar
+# (and other) files.
+#
+
+class PAR2Set_EXTRACTFIRST (PAR2Set.PAR2Set):
+
+ def runAll (self):
+
+ # Extraction Stage
+ ret = self.runExtract ()
+
+ if ret != SUCCESS:
+ fatalMessage ('Extraction stage failed for: %s' % self.p2file)
+ return -EEXTRACT
+
+ self.update_matches ()
+
+ # Repair Stage
+ ret = self.runVerifyAndRepair ()
+
+ if ret != SUCCESS:
+ fatalMessage ('Repair stage failed for: %s' % self.p2file)
+ return -ECHECK
+
+ self.update_matches ()
+
+ # Deletion Stage
+ ret = self.runDelete ()
+
+ if ret != SUCCESS:
+ fatalMessage ('Deletion stage failed for: %s' % self.p2file)
+ return -EDELETE
+
+ normalMessage ('Successfully completed: %s' % self.p2file)
+ return SUCCESS
+
--- /dev/null
+#!/usr/bin/env python
+# vim: set ts=4 sts=4 sw=4 textwidth=92:
+
+import PAR2Set
+from RarslaveCommon import *
+
+#
+# This is a regular joined file type
+#
+# It will detect sets like the following:
+# X.par2
+# X.vol0+1.par2
+# X.vol1+2.par2
+# X.001
+# X.002
+# X.003
+#
+# Where the PAR2 files protect a file named X.avi (or similar). It will not
+# work where the PAR2 files are protecting the .001, etc files directly.
+#
+
+def detect_JOIN (name_files, prot_files):
+ return has_a_match ('^.*\.\d\d\d$', name_files)
+
+
+class PAR2Set_JOIN (PAR2Set.PAR2Set):
+
+ def __repr__ (self):
+ return 'JOIN'
+
+ def find_joinfiles (self):
+ return find_matches ('^.*\.\d\d\d$', self.name_matched_files)
+
+ def runVerifyAndRepair (self):
+ PAR2_CMD = config_get_value ('commands', 'par2repair')
+
+ # assemble the command
+ # par2repair -- PAR2 PAR2_EXTRA [JOIN_FILES]
+ command = "%s \"%s\" " % (PAR2_CMD, self.p2file)
+
+ for f in self.all_p2files:
+ if f != self.p2file:
+ command += "\"%s\" " % os.path.split (f)[1]
+
+ for f in self.find_joinfiles ():
+ command += "\"%s\" " % os.path.split (f)[1]
+
+ # run the command
+ ret = run_command (command, self.dir)
+
+ # check the result
+ if ret != 0:
+ fatalMessage ('PAR2 Check / Repair failed: %s' % self.p2file)
+ return -ECHECK
+
+ return SUCCESS
+
+ def find_extraction_heads (self):
+ return self.prot_matched_files
+
+ def extraction_function (self, file, todir):
+ """Extract a single file of this type to the given directory"""
+
+ NOEXTRACT_CMD = config_get_value ('commands', 'noextract')
+
+ # Make sure that both files are not the same file. If they are, don't run at all.
+ if os.path.samefile (file, os.path.join (todir, file)):
+ return SUCCESS
+
+ cmd = NOEXTRACT_CMD % (file, todir)
+ ret = run_command (cmd)
+
+ # Check error code
+ if ret != 0:
+ return -EEXTRACT
+
+ return SUCCESS
+
--- /dev/null
+#!/usr/bin/env python
+# vim: set ts=4 sts=4 sw=4 textwidth=92:
+
+import PAR2Set
+from RarslaveCommon import *
+
+#
+# This is an new-style rar type
+#
+# It will detect sets like the following:
+# X.par2
+# X.vol0+1.par2
+# X.vol1+2.par2
+# X.part01.rar
+# X.part02.rar
+# X.part03.rar
+#
+# OR
+#
+# ABC.part01.rar
+# ABC.part02.rar
+# ABC.part03.rar
+#
+# Where the PAR2 files protect all files that do not match in basename
+# with the PAR2 file itself.
+#
+
+def detect_NEWRAR (name_files, prot_files):
+ return has_a_match ('^.*\.part0*1\.rar$', prot_files)
+
+
+class PAR2Set_NEWRAR (PAR2Set.PAR2Set):
+
+ def __repr__ (self):
+ return 'NEWRAR'
+
+ def find_extraction_heads (self):
+ return find_matches ('^.*\.part0*1\.rar$', self.all_files)
+
+ def extraction_function (self, file, todir):
+ assert os.path.isfile (file)
+ assert os.path.isdir (todir)
+
+ RAR_CMD = config_get_value ('commands', 'unrar')
+
+ cmd = '%s \"%s\"' % (RAR_CMD, file)
+ ret = run_command (cmd, todir)
+
+ # Check error code
+ if ret != 0:
+ return -EEXTRACT
+
+ return SUCCESS
+
--- /dev/null
+#!/usr/bin/env python
+# vim: set ts=4 sts=4 sw=4 textwidth=92:
+
+import PAR2Set
+from RarslaveCommon import *
+
+#
+# This is an old-style rar type
+#
+# It will detect sets like the following:
+# X.par2
+# X.vol0+1.par2
+# X.vol1+2.par2
+# X.rar
+# X.r00
+# X.r01
+#
+# OR
+#
+# ABC.rar
+# ABC.r00
+# ABC.r01
+#
+# Where the PAR2 files protect all files that do not match in basename
+# with the PAR2 file itself.
+#
+
+def detect_OLDRAR (name_files, prot_files):
+ return has_a_match ('^.*\.r00$', prot_files)
+
+
+class PAR2Set_OLDRAR (PAR2Set.PAR2Set):
+
+ def __repr__ (self):
+ return 'OLDRAR'
+
+ def find_extraction_heads (self):
+ return find_matches ('^.*\.rar', self.all_files)
+
+ def extraction_function (self, file, todir):
+ assert os.path.isfile (file)
+ assert os.path.isdir (todir)
+
+ RAR_CMD = config_get_value ('commands', 'unrar')
+
+ cmd = '%s \"%s\"' % (RAR_CMD, file)
+ ret = run_command (cmd, todir)
+
+ # Check error code
+ if ret != 0:
+ return -EEXTRACT
+
+ return SUCCESS
+
--- /dev/null
+#!/usr/bin/env python
+# vim: set ts=4 sts=4 sw=4 textwidth=92:
+
+import PAR2Set
+from RarslaveCommon import *
+
+#
+# This is a regular zip file type
+#
+# It will detect sets like the following:
+# X.par2
+# X.vol0+1.par2
+# X.vol1+2.par2
+# X.zip
+# ABC.zip
+#
+# Where the PAR2 files protect a file named X.zip and/or ABC.zip.
+#
+
+def detect_ZIP (name_files, prot_files):
+ all_files = no_duplicates (name_files + prot_files)
+ return has_a_match ('^.*\.zip$', all_files)
+
+
+class PAR2Set_ZIP (PAR2Set.PAR2Set):
+
+ def __repr__ (self):
+ return 'ZIP'
+
+ def find_extraction_heads (self):
+ return find_matches ('^.*\.zip', self.all_files)
+
+ def extraction_function (self, file, todir):
+ ZIP_CMD = self.config_get_value ('commands', 'unzip')
+
+ cmd = ZIP_CMD % (file, todir)
+ ret = run_command (cmd)
+
+ # Check error code
+ if ret != 0:
+ return -EEXTRACT
+
+ return SUCCESS
+
--- /dev/null
+#!/usr/bin/env python
+# vim: set ts=4 sts=4 sw=4 textwidth=92:
+
+__author__ = "Ira W. Snyder (devel@irasnyder.com)"
+__copyright__ = "Copyright (c) 2006, Ira W. Snyder (devel@irasnyder.com)"
+__license__ = "GNU GPL v2 (or, at your option, any later version)"
+
+# This module holds all of the common functions used throughout the rarslave project.
+
+import os
+import re
+
+import RarslaveGlobals
+import RarslaveLogger
+import Par2Parser
+
+# Global constants
+(SUCCESS, ECHECK, EEXTRACT, EDELETE, ECREATE, EDETECT, EPARSE) = range(7)
+
+def find_matches (regex, li, ignorecase=True):
+
+ if ignorecase:
+ cregex = re.compile (regex, re.IGNORECASE)
+ else:
+ cregex = re.compile (regex)
+
+ return [e for e in li if cregex.match (e)]
+
+def has_a_match (regex, li, ignorecase=True):
+
+ if ignorecase:
+ cregex = re.compile (regex, re.IGNORECASE)
+ else:
+ cregex = re.compile (regex)
+
+ for e in li:
+ if cregex.match (e):
+ return True
+
+ return False
+
+def no_duplicates (li):
+ """Removes all duplicates from a list"""
+ return list(set(li))
+
+def run_command (cmd, indir=None):
+ # Runs the specified command-line in the directory given (or, in the current directory
+ # if none is given). It returns the status code given by the application.
+
+ pwd = os.getcwd ()
+
+ if indir != None:
+ assert os.path.isdir (indir) # MUST be a directory!
+ os.chdir (indir)
+
+ ret = os.system (cmd)
+ os.chdir (pwd)
+ return ret
+
+def full_abspath (p):
+ return os.path.abspath (os.path.expanduser (p))
+
+def find_par2_files (files):
+ """Find all par2 files in the list $files"""
+
+ 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_name_matches (dir, basename):
+ """Finds files which are likely to be part of the set corresponding
+ to $name in the directory $dir"""
+
+ assert os.path.isdir (dir)
+
+ ename = re.escape (basename)
+ regex = re.compile ('^%s.*$' % (ename, ))
+
+ return [f for f in os.listdir (dir) if regex.match (f)]
+
+def parse_all_par2 (dir, p2head, p2files):
+ """Searches though p2files and tries to parse at least one of them"""
+ done = False
+ files = []
+
+ for f in p2files:
+
+ # Exit early if we've found a good file
+ if done:
+ break
+
+ try:
+ files = Par2Parser.get_protected_files (dir, f)
+ done = True
+ except (EnvironmentError, OSError, OverflowError):
+ verboseMessage ('Corrupt PAR2 file: %s' % f)
+
+ # Now that we're out of the loop, check if we really finished
+ if not done:
+ fatalMessage ('All PAR2 files corrupt for: %s' % p2head)
+
+ # Return whatever we've got, empty or not
+ return files
+
+def get_basename (name):
+ """Strips most kinds of endings from a filename"""
+
+ regex = config_get_value ('regular expressions', 'basename_regex')
+ r = re.compile (regex, re.IGNORECASE)
+ done = False
+
+ while not done:
+ done = True
+
+ if r.match (name):
+ g = r.match (name).groups()
+ name = g[0]
+ done = False
+
+ return name
+
+def list_eq (l1, l2):
+
+ if len(l1) != len(l2):
+ return False
+
+ for e in l1:
+ if e not in l2:
+ return False
+
+ return True
+
+# Convience functions for the logger
+
+def fatalMessage (msg):
+ RarslaveGlobals.logger.addMessage (msg, RarslaveLogger.MessageType.Fatal)
+
+def normalMessage (msg):
+ RarslaveGlobals.logger.addMessage (msg, RarslaveLogger.MessageType.Normal)
+
+def verboseMessage (msg):
+ RarslaveGlobals.logger.addMessage (msg, RarslaveLogger.MessageType.Verbose)
+
+def debugMessage (msg):
+ RarslaveGlobals.logger.addMessage (msg, RarslaveLogger.MessageType.Debug)
+
+# Convience functions for the config
+
+def config_get_value (section, name):
+ return RarslaveGlobals.config.get_value (section, name)
+
+# Convience functions for the options
+
+def options_get_value (name):
+ return getattr (RarslaveGlobals.options, name)
+
+def main ():
+ pass
+
+if __name__ == '__main__':
+ main ()
+
--- /dev/null
+#!/usr/bin/env python
+# vim: set ts=4 sts=4 sw=4 textwidth=92:
+
+from RarslaveCommon import *
+
+# PAR2Set-derived types
+import PAR2Set_JOIN
+import PAR2Set_ZIP
+import PAR2Set_OLDRAR
+import PAR2Set_NEWRAR
+import PAR2Set_EF_OLDRAR
+import PAR2Set_EF_NEWRAR
+
+class RarslaveDetector (object):
+
+ # A tuple of tuples with the following definition:
+ # (TYPE_NAME, DETECTION_FUNCTION, PAR2Set-derived class)
+
+ TYPES = ( (PAR2Set_JOIN.detect_JOIN, PAR2Set_JOIN.PAR2Set_JOIN),
+ (PAR2Set_ZIP.detect_ZIP, PAR2Set_ZIP.PAR2Set_ZIP),
+ (PAR2Set_OLDRAR.detect_OLDRAR, PAR2Set_OLDRAR.PAR2Set_OLDRAR),
+ (PAR2Set_NEWRAR.detect_NEWRAR, PAR2Set_NEWRAR.PAR2Set_NEWRAR),
+ (PAR2Set_EF_OLDRAR.detect_EF_OLDRAR, PAR2Set_EF_OLDRAR.PAR2Set_EF_OLDRAR),
+ (PAR2Set_EF_NEWRAR.detect_EF_NEWRAR, PAR2Set_EF_NEWRAR.PAR2Set_EF_NEWRAR),
+ )
+
+ def __init__ (self, dir, p2file):
+
+ # The real "meat" of the class
+ self.dir = dir
+ self.p2file = p2file
+ self.basename = get_basename (p2file)
+
+ # Find files that match by name only
+ self.name_matched_files = find_name_matches (self.dir, self.basename)
+
+ # Find all par2 files for this set using name matches
+ self.all_p2files = find_par2_files (self.name_matched_files)
+
+ # Try to get the protected files for this set
+ self.prot_matched_files = parse_all_par2 (self.dir, self.p2file, self.all_p2files)
+
+ def runMatchingTypes (self):
+ # Now tries to run every type of PAR2Set-derived class for which the detector
+ # detects that the class is valid.
+
+ detected = False
+
+ for (detector, classname) in self.TYPES:
+ if detector (self.name_matched_files, self.prot_matched_files):
+ # The detector matched, so we're up and running!
+
+ p2set = classname (self.dir, self.p2file)
+
+ detected = True
+ debugMessage ('Detected type: %s' % p2set)
+
+ # Try to have rarslave do it's thing
+ ret = p2set.runAll ()
+
+ # If something already worked, there is no need to continue,
+ # since we've already finished!
+ if ret == SUCCESS:
+ break
+ else:
+ fatalMessage ('Detected type failed for: %s' % self.p2file)
+
+ # Make sure we detected at least one valid type
+ if not detected:
+ fatalMessage ('Unable to determine type: %s' % self.p2file)
+ verboseMessage ('The following information will help in writing a detector:')
+ verboseMessage ('name_matches: %s' % self.name_matched_files)
+ verboseMessage ('prot_matches: %s' % self.prot_matched_files)
+ return -EDETECT
+
+ # Make sure that something worked
+ if ret != SUCCESS:
+ fatalMessage ('All types failed for: %s' % self.p2file)
+
+ return ret
+
+def main ():
+ pass
+
+if __name__ == '__main__':
+ main ()
+
--- /dev/null
+#!/usr/bin/env python
+# vim: set ts=4 sts=4 sw=4 textwidth=92:
+
+import RarslaveLogger
+import RarslaveConfig
+
+# I know that this sucks majorly, but I kinda need it to keep things
+# sane in the code. I don't /want/ to have to keep passing the config,
+# options, and logger around all the time.
+
+# This will hold the configuration from the configuration file. This should
+# only be used to hold statically, non-runtime alterable content.
+config = RarslaveConfig.RarslaveConfig ()
+
+# This will hold the configuration from the command-line options. You should
+# probably be using this to get values in most cases. It takes its defaults
+# from the configuration file.
+options = None
+
+# This will hold the logger that will be able to log everything in all the
+# classes in rarslave.
+logger = RarslaveLogger.RarslaveLogger ()
+
VERSION="2.0.0"
PROGRAM="rarslave2"
-import re, os, sys, optparse
-import Par2Parser
-import RarslaveConfig
+import os, sys, optparse
import RarslaveLogger
+import RarslaveDetector
+import RarslaveGlobals
+from RarslaveCommon import *
-# Global Variables
-(TYPE_OLDRAR, TYPE_NEWRAR, TYPE_ZIP, TYPE_NOEXTRACT, TYPE_UNKNOWN) = range (5)
-(SUCCESS, ECHECK, EEXTRACT, EDELETE) = range(4)
-config = RarslaveConfig.RarslaveConfig()
-logger = RarslaveLogger.RarslaveLogger ()
+# Global options from the RarslaveGlobals class
+options = RarslaveGlobals.options
+config = RarslaveGlobals.config
+logger = RarslaveGlobals.logger
-# Global options to be set / used later.
-options = None
-
-class RarslaveExtractor (object):
-
- # Instance Variables
- # ==========================================================================
- # dir -- The directory in which this set lives
- # p2files -- All PAR2 files in this set
- # name_matched_files -- Files in this set, matched by name only
- # prot_matched_files -- Files in this set, matched by parsing PAR2 files only
- # type -- This set's type
- # heads -- The heads to be extracted
-
- def __init__ (self, dir, p2files, name_files, prot_files):
-
- self.dir = dir
- self.p2files = p2files
- self.name_matched_files = name_files
- self.prot_matched_files = prot_files
-
- # Find the type
- self.type = self.__find_type ()
-
- logger.addMessage ('Detected set of type: %s' % self, RarslaveLogger.MessageType.Debug)
-
- # Find the heads
- self.heads = self.__find_heads ()
-
- for h in self.heads:
- logger.addMessage ('Adding extraction head: %s' % h, RarslaveLogger.MessageType.Debug)
-
- def __repr__ (self):
- return \
- { TYPE_OLDRAR : 'Old RAR',
- TYPE_NEWRAR : 'New RAR',
- TYPE_ZIP : 'Zip',
- TYPE_NOEXTRACT : 'No Extract',
- TYPE_UNKNOWN : 'Unknown' } [self.type]
-
- def __find_type (self):
-
- all_files = no_duplicates (self.name_matched_files + self.prot_matched_files)
-
- if self.is_oldrar (all_files):
- return TYPE_OLDRAR
- elif self.is_newrar (all_files):
- return TYPE_NEWRAR
- elif self.is_zip (all_files):
- return TYPE_ZIP
- elif self.is_noextract (all_files):
- return TYPE_NOEXTRACT
-
- return TYPE_UNKNOWN
-
- def __generic_find_heads (self, regex, ignorecase=True):
-
- heads = []
-
- if ignorecase:
- cregex = re.compile (regex, re.IGNORECASE)
- else:
- cregex = re.compile (regex)
-
- all_files = no_duplicates (self.name_matched_files + self.prot_matched_files)
-
- for f in all_files:
- if cregex.match (f):
- heads.append (f)
-
- return heads
-
- def __find_heads (self):
-
- if self.type == TYPE_OLDRAR:
- return self.__generic_find_heads ('^.*\.rar$')
- elif self.type == TYPE_NEWRAR:
- return self.__generic_find_heads ('^.*\.part0*1\.rar$')
- elif self.type == TYPE_ZIP:
- return self.__generic_find_heads ('^.*\.zip$')
- elif self.type == TYPE_NOEXTRACT:
- return self.prot_matched_files
-
- return []
-
- def __create_directory (self, dir):
- if dir == None:
- return SUCCESS
-
- if os.path.isdir (dir):
- return SUCCESS
-
- try:
- os.makedirs (dir)
- logger.addMessage ('Created directory: %s' % dir, RarslaveLogger.MessageType.Verbose)
- except OSError:
- logger.addMessage ('FAILED to create directory: %s' % dir, RarslaveLogger.MessageType.Fatal)
- return -EEXTRACT
-
- return SUCCESS
-
- def runExtract (self, todir=None):
- # Extract all heads of this set
-
- # Extract to the head's dir if we don't care where to extract
- if todir == None:
- todir = self.dir
-
- # Create the directory $todir if it doesn't exist
- ret = self.__create_directory (todir)
-
- if ret != SUCCESS:
- return -EEXTRACT
-
- # Extract all heads
- extraction_func = \
- { TYPE_OLDRAR : self.__extract_rar,
- TYPE_NEWRAR : self.__extract_rar,
- TYPE_ZIP : self.__extract_zip,
- TYPE_NOEXTRACT : self.__extract_noextract,
- TYPE_UNKNOWN : self.__extract_unknown }[self.type]
-
- # Call the extraction function on each head
- for h in self.heads:
- full_head = full_abspath (h)
- ret = extraction_func (full_head, todir)
- logger.addMessage ('Extraction Function returned: %d' % ret, RarslaveLogger.MessageType.Debug)
-
- # Check error code
- if ret != SUCCESS:
- logger.addMessage ('Failed extracting: %s' % h, RarslaveLogger.MessageType.Fatal)
- return -EEXTRACT
-
- return SUCCESS
-
- def __extract_rar (self, file, todir):
- assert os.path.isfile (file)
- assert os.path.isdir (todir)
-
- RAR_CMD = config.get_value ('commands', 'unrar')
-
- cmd = '%s \"%s\"' % (RAR_CMD, file)
- ret = run_command (cmd, todir)
-
- # Check error code
- if ret != 0:
- return -EEXTRACT
-
- return SUCCESS
-
- def __extract_zip (self, file, todir):
- ZIP_CMD = config.get_value ('commands', 'unzip')
-
- cmd = ZIP_CMD % (file, todir)
- ret = run_command (cmd)
-
- # Check error code
- if ret != 0:
- return -EEXTRACT
-
- return SUCCESS
-
- def __extract_noextract (self, file, todir):
- # Just move this file to the $todir, since no extraction is needed
- # FIXME: NOTE: mv will fail by itself if you're moving to the same dir!
- NOEXTRACT_CMD = config.get_value ('commands', 'noextract')
-
- # Make sure that both files are not the same file. If they are, don't run at all.
- if os.path.samefile (file, os.path.join (todir, file)):
- return SUCCESS
-
- cmd = NOEXTRACT_CMD % (file, todir)
- ret = run_command (cmd)
-
- # Check error code
- if ret != 0:
- return -EEXTRACT
-
- return SUCCESS
-
- def __extract_unknown (self, file, todir):
- return SUCCESS
-
- def __generic_matcher (self, files, regex, nocase=False):
- """Run the regex over the files, and see if one matches or not.
- NOTE: this does not return the matches, just if a match occurred."""
-
- if nocase:
- cregex = re.compile (regex, re.IGNORECASE)
- else:
- cregex = re.compile (regex)
-
- for f in files:
- if cregex.match (f):
- return True
-
- return False
-
- def is_oldrar (self, files):
- return self.__generic_matcher (files, '^.*\.r00$')
-
- def is_newrar (self, files):
- return self.__generic_matcher (files, '^.*\.part0*1\.rar$')
-
- def is_zip (self, files):
- return self.__generic_matcher (files, '^.*\.zip$')
-
- def is_noextract (self, files):
- # Type that needs no extraction.
- # TODO: Add others ???
- return self.__generic_matcher (files, '^.*\.001$')
-
-class PAR2Set (object):
-
- # Instance Variables
- # ==========================================================================
- # dir -- The directory this set lives in
- # p2file -- The starting PAR2 file
- # basename -- The basename of the set, guessed from the PAR2 file
- # all_p2files -- All PAR2 files of the set, guessed from the PAR2 file name only
- # name_matched_files -- Files in this set, guessed by name only
- # prot_matched_files -- Files in this set, guessed by parsing the PAR2 only
+# A tiny class used to find unique PAR2 sets
+class CompareSet (object):
def __init__ (self, dir, p2file):
- assert os.path.isdir (dir)
- assert os.path.isfile (os.path.join (dir, p2file))
-
self.dir = dir
self.p2file = p2file
- self.basename = self.__get_basename (p2file)
-
- # Find files that match by name only
- self.name_matched_files = self.__find_name_matches (self.dir, self.basename)
- # Find all par2 files for this set using name matches
- self.all_p2files = find_par2_files (self.name_matched_files)
-
- # Try to get the protected files for this set
- self.prot_matched_files = self.__parse_all_par2 ()
-
- 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
+ self.basename = get_basename (self.p2file)
+ self.name_matches = find_name_matches (self.dir, self.basename)
def __eq__ (self, rhs):
- return (self.dir == rhs.dir) and (self.basename == rhs.basename) and \
- self.__list_eq (self.name_matched_files, rhs.name_matched_files) and \
- self.__list_eq (self.prot_matched_files, rhs.prot_matched_files)
-
- def __get_basename (self, name):
- """Strips most kinds of endings from a filename"""
-
- regex = config.get_value ('regular expressions', 'basename_regex')
- r = re.compile (regex, re.IGNORECASE)
- done = False
-
- while not done:
- done = True
-
- if r.match (name):
- g = r.match (name).groups()
- name = g[0]
- done = False
-
- return name
-
- def __parse_all_par2 (self):
- """Searches though self.all_p2files and tries to parse at least one of them"""
- done = False
- files = []
-
- for f in self.all_p2files:
-
- # Exit early if we've found a good file
- if done:
- break
-
- try:
- files = Par2Parser.get_protected_files (self.dir, f)
- done = True
- except (EnvironmentError, OSError, OverflowError):
- logger.addMessage ('Corrupt PAR2 file: %s' % f, RarslaveLogger.MessageType.Fatal)
-
- # Now that we're out of the loop, check if we really finished
- if not done:
- logger.addMessage ('All PAR2 files corrupt for: %s' % self.p2file, RarslaveLogger.MessageType.Fatal)
-
- # Return whatever we've got, empty or not
- return files
-
- def __find_name_matches (self, dir, basename):
- """Finds files which are likely to be part of the set corresponding
- to $name in the directory $dir"""
-
- assert os.path.isdir (dir)
-
- ename = re.escape (basename)
- regex = re.compile ('^%s.*$' % (ename, ))
-
- return [f for f in os.listdir (dir) if regex.match (f)]
-
- def __update_name_matches (self):
- """Updates the self.name_matched_files variable with the most current information.
- This should be called after the directory contents are likely to change."""
-
- self.name_matched_files = self.__find_name_matches (self.dir, self.basename)
-
- def __is_joinfile (self, filename):
- regex = re.compile ('^.*\.\d\d\d$', re.IGNORECASE)
- if regex.match (filename):
- return True
-
- return False
-
- def __should_be_joined (self, files):
- for f in files:
- if self.__is_joinfile (f):
- return True
-
- def runCheckAndRepair (self):
- PAR2_CMD = config.get_value ('commands', 'par2repair')
-
- # Get set up
- all_files = no_duplicates (self.name_matched_files + self.prot_matched_files)
- join = self.__should_be_joined (all_files)
-
- # assemble the command
- # par2repair -- PAR2 PAR2_EXTRA [JOIN_FILES]
- command = "%s \"%s\" " % (PAR2_CMD, self.p2file)
-
- for f in self.all_p2files:
- if f != self.p2file:
- command += "\"%s\" " % os.path.split (f)[1]
-
- # Only needed when using par2 to join
- if join:
- for f in all_files:
- if self.__is_joinfile (f):
- command += "\"%s\" " % os.path.split (f)[1]
-
- # run the command
- ret = run_command (command, self.dir)
+ return (self.dir == rhs.dir) \
+ and (self.basename == rhs.basename) \
+ and list_eq (self.name_matches, rhs.name_matches)
- # check the result
- if ret != 0:
- logger.addMessage ('PAR2 Check / Repair failed: %s' % self.p2file, RarslaveLogger.MessageType.Fatal)
- return -ECHECK
-
- return SUCCESS
-
- def __find_deleteable_files (self):
- all_files = no_duplicates (self.name_matched_files + self.prot_matched_files)
- DELETE_REGEX = config.get_value ('regular expressions', 'delete_regex')
- dregex = re.compile (DELETE_REGEX, re.IGNORECASE)
-
- return [f for f in all_files if dregex.match (f)]
-
- def __delete_list_of_files (self, dir, files, interactive=False):
- # Delete a list of files
-
- assert os.path.isdir (dir)
-
- done = False
- valid_y = ['Y', 'YES']
- valid_n = ['N', 'NO', '']
-
- if interactive:
- while not done:
- print 'Do you want to delete the following?:'
- for f in files:
- print f
- 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:
- try:
- os.remove (os.path.join (dir, f))
- logger.addMessage ('Deleteing: %s' % os.path.join (dir, f), RarslaveLogger.MessageType.Debug)
- except:
- logger.addMessage ('Failed to delete: %s' % os.path.join (dir, f),
- RarslaveLogger.MessageType.Fatal)
- return -EDELETE
-
- return SUCCESS
-
- def runDelete (self):
- deleteable_files = self.__find_deleteable_files ()
- ret = self.__delete_list_of_files (self.dir, deleteable_files, options.interactive)
-
- return ret
-
- def run_all (self):
- all_files = no_duplicates (self.name_matched_files + self.prot_matched_files)
-
- # Repair Stage
- ret = self.runCheckAndRepair ()
-
- if ret != SUCCESS:
- logger.addMessage ('Repair stage failed for: %s' % self.p2file, RarslaveLogger.MessageType.Fatal)
- return -ECHECK
-
- self.__update_name_matches ()
- all_files = no_duplicates (self.name_matched_files + self.prot_matched_files)
-
- # Extraction Stage
- extractor = RarslaveExtractor (self.dir, self.all_p2files, \
- self.name_matched_files, self.prot_matched_files)
- ret = extractor.runExtract (options.extract_dir)
-
- if ret != SUCCESS:
- logger.addMessage ('Extraction stage failed for: %s' % self.p2file, RarslaveLogger.MessageType.Fatal)
- return -EEXTRACT
-
- self.__update_name_matches ()
- all_files = no_duplicates (self.name_matched_files + self.prot_matched_files)
-
- # Deletion Stage
- ret = self.runDelete ()
-
- if ret != SUCCESS:
- logger.addMessage ('Deletion stage failed for: %s' % self.p2file, RarslaveLogger.MessageType.Fatal)
- return -EDELETE
-
- logger.addMessage ('Successfully completed: %s' % self.p2file)
- return SUCCESS
-
-def run_command (cmd, indir=None):
- # Runs the specified command-line in the directory given (or, in the current directory
- # if none is given). It returns the status code given by the application.
-
- pwd = os.getcwd ()
-
- if indir != None:
- assert os.path.isdir (indir) # MUST be a directory!
- os.chdir (indir)
-
- ret = os.system (cmd)
- os.chdir (pwd)
- return ret
-
-def full_abspath (p):
- return os.path.abspath (os.path.expanduser (p))
-
-def find_par2_files (files):
- """Find all par2 files in the list $files"""
-
- 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"""
return find_par2_files (files)
-def no_duplicates (li):
- """Removes all duplicates from a list"""
- return list(set(li))
-
def generate_all_parsets (dir):
# Generate all parsets in the given directory.
p2files = find_all_par2_files (dir)
for f in p2files:
- p = PAR2Set (dir, f)
+ p = CompareSet (dir, f)
if p not in parsets:
parsets.append (p)
- return parsets
+ return [(p.dir, p.p2file) for p in parsets]
def check_required_progs():
"""Check if the required programs are installed"""
parser = optparse.OptionParser()
parser.add_option('-n', '--not-recursive',
action='store_false', dest='recursive',
- default=config.get_value('options', 'recursive'),
+ default=config_get_value('options', 'recursive'),
help="Don't run recursively")
parser.add_option('-d', '--work-dir',
dest='work_dir', type='string',
- default=config.get_value('directories', 'working_directory'),
+ default=config_get_value('directories', 'working_directory'),
help="Start running at DIR", metavar='DIR')
parser.add_option('-e', '--extract-dir',
dest='extract_dir', type='string',
- default=config.get_value('directories', 'extract_directory'),
+ default=config_get_value('directories', 'extract_directory'),
help="Extract to DIR", metavar='DIR')
parser.add_option('-p', '--check-required-programs',
default=False, help="Write out the current config")
parser.add_option('-i', '--interactive', dest='interactive', action='store_true',
- default=config.get_value('options', 'interactive'),
+ default=config_get_value('options', 'interactive'),
help="Confirm before removing files")
parser.add_option('-q', '--quiet', dest='quiet', action='count',
# Parse the given options
global options
- (options, args) = parser.parse_args()
+ (RarslaveGlobals.options, args) = parser.parse_args()
+ options = RarslaveGlobals.options
# Run any special actions that are needed on these options
run_options (options)
if options.recursive:
for (dir, subdirs, files) in os.walk (options.work_dir):
parsets = generate_all_parsets (dir)
- for p in parsets:
- p.run_all ()
+ for (p2dir, p2file) in parsets:
+ detector = RarslaveDetector.RarslaveDetector (p2dir, p2file)
+ ret = detector.runMatchingTypes ()
# Non-recursive
else:
parsets = generate_all_parsets (options.work_dir)
- for p in parsets:
- p.run_all ()
+ for (p2dir, p2file) in parsets:
+ detector = RarslaveDetector.RarslaveDetector (p2dir, p2file)
+ ret = detector.runMatchingTypes ()
# Print the results
printMessageTable (loglevel)