mirror of
https://github.com/arsenetar/dupeguru.git
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360 lines
13 KiB
Python
360 lines
13 KiB
Python
# Created By: Virgil Dupras
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# Created On: 2006/11/11
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# Copyright 2010 Hardcoded Software (http://www.hardcoded.net)
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#
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# This software is licensed under the "BSD" License as described in the "LICENSE" file,
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# which should be included with this package. The terms are also available at
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# http://www.hardcoded.net/licenses/bsd_license
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import os
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import os.path as op
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import logging
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import subprocess
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import re
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from send2trash import send2trash
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from hscommon import io
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from hscommon.reg import RegistrableApplication
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from hscommon.notify import Broadcaster
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from hscommon.path import Path
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from hscommon.conflict import smart_move, smart_copy
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from hscommon.util import delete_if_empty, first, escape
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from . import directories, results, scanner, export, fs
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JOB_SCAN = 'job_scan'
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JOB_LOAD = 'job_load'
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JOB_MOVE = 'job_move'
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JOB_COPY = 'job_copy'
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JOB_DELETE = 'job_delete'
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class NoScannableFileError(Exception):
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pass
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class DupeGuru(RegistrableApplication, Broadcaster):
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def __init__(self, data_module, appdata):
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RegistrableApplication.__init__(self, appid=1)
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Broadcaster.__init__(self)
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self.appdata = appdata
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if not op.exists(self.appdata):
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os.makedirs(self.appdata)
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self.data = data_module
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self.directories = directories.Directories()
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self.results = results.Results(data_module)
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self.scanner = scanner.Scanner()
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self.options = {
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'escape_filter_regexp': True,
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'clean_empty_dirs': False,
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'ignore_hardlink_matches': False,
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}
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self.selected_dupes = []
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def _do_delete(self, j, replace_with_hardlinks):
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def op(dupe):
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j.add_progress()
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return self._do_delete_dupe(dupe, replace_with_hardlinks)
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j.start_job(self.results.mark_count)
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self.results.perform_on_marked(op, True)
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def _do_delete_dupe(self, dupe, replace_with_hardlinks):
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if not io.exists(dupe.path):
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return
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send2trash(str(dupe.path)) # Raises OSError when there's a problem
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if replace_with_hardlinks:
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group = self.results.get_group_of_duplicate(dupe)
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ref = group.ref
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os.link(str(ref.path), str(dupe.path))
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self.clean_empty_dirs(dupe.path[:-1])
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def _get_display_info(self, dupe, group, delta=False):
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if (dupe is None) or (group is None):
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return ['---'] * len(self.data.COLUMNS)
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try:
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return self.data.GetDisplayInfo(dupe, group, delta)
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except Exception as e:
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logging.warning("Exception on GetDisplayInfo for %s: %s", str(dupe.path), str(e))
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return ['---'] * len(self.data.COLUMNS)
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def _get_file(self, str_path):
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path = Path(str_path)
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f = fs.get_file(path, self.directories.fileclasses)
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if f is None:
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return None
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try:
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f._read_all_info(attrnames=self.data.METADATA_TO_READ)
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return f
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except EnvironmentError:
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return None
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def _job_completed(self, jobid):
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# Must be called by subclasses when they detect that an async job is completed.
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if jobid == JOB_SCAN:
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self.notify('results_changed')
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elif jobid in (JOB_LOAD, JOB_MOVE, JOB_DELETE):
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self.notify('results_changed')
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self.notify('problems_changed')
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@staticmethod
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def _open_path(path):
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raise NotImplementedError()
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@staticmethod
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def _reveal_path(path):
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raise NotImplementedError()
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@staticmethod
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def _remove_hardlink_dupes(files):
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seen_inodes = set()
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result = []
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for file in files:
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try:
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inode = io.stat(file.path).st_ino
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except OSError:
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# The file was probably deleted or something
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continue
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if inode not in seen_inodes:
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seen_inodes.add(inode)
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result.append(file)
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return result
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def _select_dupes(self, dupes):
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if dupes == self.selected_dupes:
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return
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self.selected_dupes = dupes
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self.notify('dupes_selected')
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def _start_job(self, jobid, func, *args):
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# func(j, *args)
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raise NotImplementedError()
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def add_directory(self, d):
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try:
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self.directories.add_path(Path(d))
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self.notify('directories_changed')
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return 0
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except directories.AlreadyThereError:
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return 1
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except directories.InvalidPathError:
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return 2
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def add_selected_to_ignore_list(self):
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dupes = self.without_ref(self.selected_dupes)
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for dupe in dupes:
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g = self.results.get_group_of_duplicate(dupe)
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for other in g:
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if other is not dupe:
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self.scanner.ignore_list.Ignore(str(other.path), str(dupe.path))
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self.remove_duplicates(dupes)
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def apply_filter(self, filter):
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self.results.apply_filter(None)
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if self.options['escape_filter_regexp']:
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filter = escape(filter, set('()[]\\.|+?^'))
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filter = escape(filter, '*', '.')
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self.results.apply_filter(filter)
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self.notify('results_changed')
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def clean_empty_dirs(self, path):
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if self.options['clean_empty_dirs']:
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while delete_if_empty(path, ['.DS_Store']):
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path = path[:-1]
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def copy_or_move(self, dupe, copy, destination, dest_type):
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"""
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copy: True = Copy False = Move
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destination: string.
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dest_type: 0 = right in destination.
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1 = relative re-creation.
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2 = absolute re-creation.
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"""
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source_path = dupe.path
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location_path = first(p for p in self.directories if dupe.path in p)
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dest_path = Path(destination)
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if dest_type == 2:
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dest_path = dest_path + source_path[1:-1] #Remove drive letter and filename
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elif dest_type == 1:
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dest_path = dest_path + source_path[location_path:-1]
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if not io.exists(dest_path):
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io.makedirs(dest_path)
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# Raises an EnvironmentError if there's a problem
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if copy:
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smart_copy(source_path, dest_path)
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else:
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smart_move(source_path, dest_path)
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self.clean_empty_dirs(source_path[:-1])
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def copy_or_move_marked(self, copy, destination, recreate_path):
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def do(j):
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def op(dupe):
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j.add_progress()
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self.copy_or_move(dupe, copy, destination, recreate_path)
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j.start_job(self.results.mark_count)
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self.results.perform_on_marked(op, not copy)
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jobid = JOB_COPY if copy else JOB_MOVE
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self._start_job(jobid, do)
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def delete_marked(self, replace_with_hardlinks=False):
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self._start_job(JOB_DELETE, self._do_delete, replace_with_hardlinks)
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def export_to_xhtml(self, column_ids):
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column_ids = [colid for colid in column_ids if colid.isdigit()]
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column_ids = list(map(int, column_ids))
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column_ids.sort()
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colnames = [col['display'] for i, col in enumerate(self.data.COLUMNS) if i in column_ids]
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rows = []
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for group in self.results.groups:
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for dupe in group:
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data = self._get_display_info(dupe, group)
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row = [data[colid] for colid in column_ids]
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row.insert(0, dupe is not group.ref)
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rows.append(row)
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return export.export_to_xhtml(colnames, rows)
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def invoke_command(self, cmd):
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"""Calls command `cmd` with %d and %r placeholders replaced.
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Using the current selection, %d is replaced with the currently selected dupe and %r is
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replaced with that dupe's ref file. If there's no selection, the command is not invoked.
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If the dupe is a ref, %d and %r will be the same.
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"""
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if not self.selected_dupes:
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return
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dupe = self.selected_dupes[0]
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group = self.results.get_group_of_duplicate(dupe)
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ref = group.ref
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cmd = cmd.replace('%d', str(dupe.path))
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cmd = cmd.replace('%r', str(ref.path))
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match = re.match(r'"([^"]+)"(.*)', cmd)
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if match is not None:
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# This code here is because subprocess. Popen doesn't seem to accept, under Windows,
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# executable paths with spaces in it, *even* when they're enclosed in "". So this is
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# a workaround to make the damn thing work.
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exepath, args = match.groups()
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path, exename = op.split(exepath)
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subprocess.Popen(exename + args, shell=True, cwd=path)
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else:
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subprocess.Popen(cmd, shell=True)
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def load(self):
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self.directories.load_from_file(op.join(self.appdata, 'last_directories.xml'))
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self.notify('directories_changed')
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p = op.join(self.appdata, 'ignore_list.xml')
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self.scanner.ignore_list.load_from_xml(p)
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def load_from(self, filename):
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def do(j):
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self.results.load_from_xml(filename, self._get_file, j)
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self._start_job(JOB_LOAD, do)
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def make_selected_reference(self):
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dupes = self.without_ref(self.selected_dupes)
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changed_groups = set()
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for dupe in dupes:
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g = self.results.get_group_of_duplicate(dupe)
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if g not in changed_groups:
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self.results.make_ref(dupe)
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changed_groups.add(g)
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self.notify('results_changed_but_keep_selection')
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def mark_all(self):
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self.results.mark_all()
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self.notify('marking_changed')
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def mark_none(self):
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self.results.mark_none()
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self.notify('marking_changed')
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def mark_invert(self):
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self.results.mark_invert()
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self.notify('marking_changed')
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def mark_dupe(self, dupe, marked):
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if marked:
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self.results.mark(dupe)
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else:
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self.results.unmark(dupe)
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self.notify('marking_changed')
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def open_selected(self):
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if self.selected_dupes:
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self._open_path(self.selected_dupes[0].path)
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def purge_ignore_list(self):
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self.scanner.ignore_list.Filter(lambda f,s:op.exists(f) and op.exists(s))
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def remove_directory(self,index):
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try:
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del self.directories[index]
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self.notify('directories_changed')
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except IndexError:
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pass
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def remove_duplicates(self, duplicates):
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self.results.remove_duplicates(self.without_ref(duplicates))
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self.notify('results_changed_but_keep_selection')
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def remove_marked(self):
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self.results.perform_on_marked(lambda x:None, True)
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self.notify('results_changed')
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def remove_selected(self):
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self.remove_duplicates(self.selected_dupes)
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def rename_selected(self, newname):
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try:
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d = self.selected_dupes[0]
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d.rename(newname)
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return True
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except (IndexError, fs.FSError) as e:
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logging.warning("dupeGuru Warning: %s" % str(e))
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return False
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def reveal_selected(self):
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if self.selected_dupes:
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self._reveal_path(self.selected_dupes[0].path)
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def save(self):
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if not op.exists(self.appdata):
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os.makedirs(self.appdata)
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self.directories.save_to_file(op.join(self.appdata, 'last_directories.xml'))
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p = op.join(self.appdata, 'ignore_list.xml')
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self.scanner.ignore_list.save_to_xml(p)
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def save_as(self, filename):
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self.results.save_to_xml(filename)
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def start_scanning(self):
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def do(j):
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j.set_progress(0, 'Collecting files to scan')
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files = list(self.directories.get_files())
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if self.options['ignore_hardlink_matches']:
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files = self._remove_hardlink_dupes(files)
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logging.info('Scanning %d files' % len(files))
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self.results.groups = self.scanner.GetDupeGroups(files, j)
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if not self.directories.has_any_file():
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raise NoScannableFileError()
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self.results.groups = []
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self.notify('results_changed')
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self._start_job(JOB_SCAN, do)
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def toggle_selected_mark_state(self):
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for dupe in self.selected_dupes:
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self.results.mark_toggle(dupe)
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self.notify('marking_changed')
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def without_ref(self, dupes):
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return [dupe for dupe in dupes if self.results.get_group_of_duplicate(dupe).ref is not dupe]
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#--- Properties
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@property
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def stat_line(self):
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result = self.results.stat_line
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if self.scanner.discarded_file_count:
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result = '%s (%d discarded)' % (result, self.scanner.discarded_file_count)
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return result
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