#!/usr/bin/env python
# vim: set ts=4 sts=4 sw=4 textwidth=92:
-import os
-import logging
-import PAR2Set.Base
-import rsutil.common
+"""
+Holds the Join class.
+
+This module works with normal joined sets.
+
+It will detect sets like the following:
+X.par2
+X.vol0+1.par2
+...
+X.001
+X.002
+...
+
+Where the PAR2 files protect a file named X.avi, or similar other types.
+It will not work where the PAR2 files are protecting the X.001, etc files
+directly.
+"""
+
+__author__ = "Ira W. Snyder (devel@irasnyder.com)"
+__copyright__ = "Copyright (c) 2006,2007 Ira W. Snyder (devel@irasnyder.com)"
+__license__ = "GNU GPL v2 (or, at your option, any later version)"
+
+# Join.py
#
-# This is a regular joined file type
+# Copyright (C) 2006,2007 Ira W. Snyder (devel@irasnyder.com)
#
-# It will detect sets like the following:
-# X.par2
-# X.vol0+1.par2
-# X.vol1+2.par2
-# X.001
-# X.002
-# X.003
+# This program 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 2 of the License, or
+# (at your option) any later version.
#
-# 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.
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+import re
+import os
+import logging
+import PAR2Set.Base
+import rsutil.common
+
def detector (name_files, prot_files):
+ """Detects a Join set"""
+
return rsutil.common.has_a_match ('^.*\.\d\d\d$', name_files) \
and not rsutil.common.has_a_match ('^.*\.\d\d\d$', prot_files)
class Join (PAR2Set.Base.Base):
+ """Class for normal joined-file sets"""
+
def __repr__ (self):
return 'JOIN'
def find_joinfiles (self):
+ """Finds files which contain data to be joined together"""
+
return rsutil.common.find_matches ('^.*\.\d\d\d$', self.name_matched_files)
def runVerifyAndRepair (self):
- PAR2_CMD = rsutil.common.config_get_value ('commands', 'par2repair')
+ """Verify and Repair a PAR2Set. This version extends the PAR2Set.Base.Base
+ version by adding the datafiles to be joined at the end of the command
+ line.
- # assemble the command
- # par2repair -- PAR2 PAR2_EXTRA [JOIN_FILES]
- command = "%s \"%s\" " % (PAR2_CMD, self.p2file)
+ This is done using the par2repair command by default"""
- for f in self.all_p2files:
- if f != self.p2file:
- command += "\"%s\" " % os.path.split (f)[1]
+ rsutil.common.run_command(['par2repair'] + self.all_p2files + self.find_joinfiles(), self.dir)
- for f in self.find_joinfiles ():
- command += "\"%s\" " % os.path.split (f)[1]
+ def find_deleteable_files (self):
+ """Find all files which are deletable by using the regular expression from the
+ configuration file"""
- # run the command
- ret = rsutil.common.run_command (command, self.dir)
+ DELETE_REGEX = rsutil.common.config_get_value ('regular expressions', 'delete_regex')
+ dregex = re.compile (DELETE_REGEX, re.IGNORECASE)
- # check the result
- if ret != 0:
- logging.critical ('PAR2 Check / Repair failed: %s' % self.p2file)
- return -rsutil.common.ECHECK
-
- return rsutil.common.SUCCESS
+ return [f for f in self.all_files if dregex.match (f) and \
+ f not in self.prot_matched_files]
def find_extraction_heads (self):
+ """Find the extraction heads. Since this should not be an extractable set,
+ we return the files which are protected directly by the PAR2 files."""
+
return self.prot_matched_files
def extraction_function (self, file, todir):
- """Extract a single file of this type to the given directory"""
-
- NOEXTRACT_CMD = rsutil.common.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 rsutil.common.SUCCESS
-
- cmd = NOEXTRACT_CMD % (file, todir)
- ret = rsutil.common.run_command (cmd)
+ """Extract a single file of the Join type.
- # Check error code
- if ret != 0:
- return -rsutil.common.EEXTRACT
+ file -- the file to extract
+ todir -- the directory to extract to
- return rsutil.common.SUCCESS
+ This command ignores the extraction if file and todir+file are the same
+ file. This keeps things like mv working smoothly."""
+ # The Join type doesn't need any extraction
+ pass