#!/usr/bin/env python """ Unit Name: dupeguru.app Created By: Virgil Dupras Created On: 2006/11/11 Last modified by:$Author: virgil $ Last modified on:$Date: 2009-05-28 16:02:48 +0200 (Thu, 28 May 2009) $ $Revision: 4388 $ Copyright 2006 Hardcoded Software (http://www.hardcoded.net) """ import os import os.path as op import logging from hsfs import IT_ATTRS, IT_EXTRA from hsutil import job, io, files from hsutil.path import Path from hsutil.reg import RegistrableApplication, RegistrationRequired from hsutil.misc import flatten, first from hsutil.str import escape from . import directories, results, scanner JOB_SCAN = 'job_scan' JOB_LOAD = 'job_load' JOB_MOVE = 'job_move' JOB_COPY = 'job_copy' JOB_DELETE = 'job_delete' class NoScannableFileError(Exception): pass class AllFilesAreRefError(Exception): pass class DupeGuru(RegistrableApplication): def __init__(self, data_module, appdata, appid): RegistrableApplication.__init__(self, appid) self.appdata = appdata if not op.exists(self.appdata): os.makedirs(self.appdata) self.data = data_module self.directories = directories.Directories() self.results = results.Results(data_module) self.scanner = scanner.Scanner() self.action_count = 0 self.last_op_error_count = 0 self.options = { 'escape_filter_regexp': True, 'clean_empty_dirs': False, } def _demo_check(self): if self.registered: return count = self.results.mark_count if count + self.action_count > 10: raise RegistrationRequired() else: self.action_count += count def _do_delete(self, j): def op(dupe): j.add_progress() return self._do_delete_dupe(dupe) j.start_job(self.results.mark_count) self.last_op_error_count = self.results.perform_on_marked(op, True) def _do_delete_dupe(self, dupe): if not io.exists(dupe.path): dupe.parent = None return True self._recycle_dupe(dupe) self.clean_empty_dirs(dupe.path[:-1]) if not io.exists(dupe.path): dupe.parent = None return True logging.warning(u"Could not send {0} to trash.".format(unicode(dupe.path))) return False def _do_load(self, j): self.directories.LoadFromFile(op.join(self.appdata, 'last_directories.xml')) j = j.start_subjob([1, 9]) self.results.load_from_xml(op.join(self.appdata, 'last_results.xml'), self._get_file, j) files = flatten(g[:] for g in self.results.groups) for file in j.iter_with_progress(files, 'Reading metadata %d/%d'): file._read_all_info(sections=[IT_ATTRS, IT_EXTRA]) def _get_file(self, str_path): p = Path(str_path) for d in self.directories: if p not in d.path: continue result = d.find_path(p[d.path:]) if result is not None: return result @staticmethod def _recycle_dupe(dupe): raise NotImplementedError() def _start_job(self, jobid, func): # func(j) raise NotImplementedError() def AddDirectory(self, d): try: self.directories.add_path(Path(d)) return 0 except directories.AlreadyThereError: return 1 except directories.InvalidPathError: return 2 def AddToIgnoreList(self, dupe): g = self.results.get_group_of_duplicate(dupe) for other in g: if other is not dupe: self.scanner.ignore_list.Ignore(unicode(other.path), unicode(dupe.path)) def ApplyFilter(self, filter): self.results.apply_filter(None) if self.options['escape_filter_regexp']: filter = escape(filter, '()[]\\.|+?^') filter = escape(filter, '*', '.') self.results.apply_filter(filter) def clean_empty_dirs(self, path): if self.options['clean_empty_dirs']: while files.delete_if_empty(path, ['.DS_Store']): path = path[:-1] def CopyOrMove(self, dupe, copy, destination, dest_type): """ copy: True = Copy False = Move destination: string. dest_type: 0 = right in destination. 1 = relative re-creation. 2 = absolute re-creation. """ source_path = dupe.path location_path = dupe.root.path dest_path = Path(destination) if dest_type == 2: dest_path = dest_path + source_path[1:-1] #Remove drive letter and filename elif dest_type == 1: dest_path = dest_path + source_path[location_path:-1] try: if not io.exists(dest_path): io.makedirs(dest_path) if copy: files.copy(source_path, dest_path) else: files.move(source_path, dest_path) self.clean_empty_dirs(source_path[:-1]) except (IOError, OSError) as e: operation = 'Copy' if copy else 'Move' logging.warning('%s operation failed on %s. Error: %s' % (operation, unicode(dupe.path), unicode(e))) return False return True def copy_or_move_marked(self, copy, destination, recreate_path): def do(j): def op(dupe): j.add_progress() return self.CopyOrMove(dupe, copy, destination, recreate_path) j.start_job(self.results.mark_count) self.last_op_error_count = self.results.perform_on_marked(op, not copy) self._demo_check() jobid = JOB_COPY if copy else JOB_MOVE self._start_job(jobid, do) def delete_marked(self): self._demo_check() self._start_job(JOB_DELETE, self._do_delete) def load(self): self._start_job(JOB_LOAD, self._do_load) self.LoadIgnoreList() def LoadIgnoreList(self): p = op.join(self.appdata, 'ignore_list.xml') self.scanner.ignore_list.load_from_xml(p) def make_reference(self, duplicates): changed_groups = set() for dupe in duplicates: g = self.results.get_group_of_duplicate(dupe) if g not in changed_groups: self.results.make_ref(dupe) changed_groups.add(g) def Save(self): self.directories.SaveToFile(op.join(self.appdata, 'last_directories.xml')) self.results.save_to_xml(op.join(self.appdata, 'last_results.xml')) def SaveIgnoreList(self): p = op.join(self.appdata, 'ignore_list.xml') self.scanner.ignore_list.save_to_xml(p) def start_scanning(self): def do(j): j.set_progress(0, 'Collecting files to scan') files = list(self.directories.get_files()) logging.info('Scanning %d files' % len(files)) self.results.groups = self.scanner.GetDupeGroups(files, j) files = self.directories.get_files() first_file = first(files) if first_file is None: raise NoScannableFileError() if first_file.is_ref and all(f.is_ref for f in files): raise AllFilesAreRefError() self.results.groups = [] self._start_job(JOB_SCAN, do) #--- Properties @property def stat_line(self): result = self.results.stat_line if self.scanner.discarded_file_count: result = '%s (%d discarded)' % (result, self.scanner.discarded_file_count) return result