/usr/share/rapid-photo-downloader/rapid/copyfiles.py is in rapid-photo-downloader 0.4.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | #!/usr/bin/python
# -*- coding: latin1 -*-
### Copyright (C) 2011 Damon Lynch <damonlynch@gmail.com>
### 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.
### 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 multiprocessing
import tempfile
import os
import gio
import logging
logger = multiprocessing.get_logger()
import rpdmultiprocessing as rpdmp
import rpdfile
import problemnotification as pn
import config
import thumbnail as tn
from gettext import gettext as _
class CopyFiles(multiprocessing.Process):
def __init__(self, photo_download_folder, video_download_folder, files,
scan_pid,
batch_size_MB, results_pipe, terminate_queue,
run_event):
multiprocessing.Process.__init__(self)
self.results_pipe = results_pipe
self.terminate_queue = terminate_queue
self.batch_size_bytes = batch_size_MB * 1048576 # * 1024 * 1024
self.photo_download_folder = photo_download_folder
self.video_download_folder = video_download_folder
self.files = files
self.scan_pid = scan_pid
self.no_files= len(self.files)
self.run_event = run_event
def check_termination_request(self):
"""
Check to see this process has not been requested to immediately terminate
"""
if not self.terminate_queue.empty():
x = self.terminate_queue.get()
# terminate immediately
logger.info("Terminating file copying")
return True
return False
def update_progress(self, amount_downloaded, total):
# first check if process is being terminated
if not self.terminate_queue.empty():
# it is - cancel the current copy
self.cancel_copy.cancel()
else:
if not self.total_reached:
chunk_downloaded = amount_downloaded - self.bytes_downloaded
if (chunk_downloaded > self.batch_size_bytes) or (amount_downloaded == total):
self.bytes_downloaded = amount_downloaded
if amount_downloaded == total:
# this function is called a couple of times when total is reached
self.total_reached = True
self.results_pipe.send((rpdmp.CONN_PARTIAL, (rpdmp.MSG_BYTES, (self.scan_pid, self.total_downloaded + amount_downloaded, chunk_downloaded))))
if amount_downloaded == total:
self.bytes_downloaded = 0
def progress_callback(self, amount_downloaded, total):
self.update_progress(amount_downloaded, total)
def run(self):
"""start the actual copying of files"""
self.bytes_downloaded = 0
self.total_downloaded = 0
self.cancel_copy = gio.Cancellable()
self.create_temp_dirs()
# Send the location of both temporary directories, so they can be
# removed once another process attempts to rename all the files in them
# and move them to generated subfolders
self.results_pipe.send((rpdmp.CONN_PARTIAL, (rpdmp.MSG_TEMP_DIRS,
(self.scan_pid,
self.photo_temp_dir,
self.video_temp_dir))))
if self.photo_temp_dir or self.video_temp_dir:
self.thumbnail_maker = tn.Thumbnail()
for i in range(len(self.files)):
rpd_file = self.files[i]
self.total_reached = False
# pause if instructed by the caller
self.run_event.wait()
if self.check_termination_request():
return None
source = gio.File(path=rpd_file.full_file_name)
temp_full_file_name = os.path.join(
self._get_dest_dir(rpd_file.file_type),
rpd_file.name)
rpd_file.temp_full_file_name = temp_full_file_name
dest = gio.File(path=temp_full_file_name)
copy_succeeded = False
try:
source.copy(dest, self.progress_callback, cancellable=self.cancel_copy)
copy_succeeded = True
except gio.Error, inst:
rpd_file.add_problem(None,
pn.DOWNLOAD_COPYING_ERROR_W_NO,
{'filetype': rpd_file.title})
rpd_file.add_extra_detail(
pn.DOWNLOAD_COPYING_ERROR_W_NO_DETAIL,
{'errorno': inst.code, 'strerror': inst.message})
rpd_file.status = config.STATUS_DOWNLOAD_FAILED
rpd_file.error_title = rpd_file.problem.get_title()
rpd_file.error_msg = _("%(problem)s\nFile: %(file)s") % \
{'problem': rpd_file.problem.get_problems(),
'file': rpd_file.full_file_name}
logger.error("Failed to download file: %s", rpd_file.full_file_name)
logger.error(inst)
self.update_progress(rpd_file.size, rpd_file.size)
# increment this amount regardless of whether the copy actually
# succeeded or not. It's neccessary to keep the user informed.
self.total_downloaded += rpd_file.size
if copy_succeeded and rpd_file.generate_thumbnail:
thumbnail, thumbnail_icon = self.thumbnail_maker.get_thumbnail(
temp_full_file_name,
rpd_file.file_type,
(160, 120), (100,100))
else:
thumbnail = None
thumbnail_icon = None
if rpd_file.metadata is not None:
rpd_file.metadata = None
self.results_pipe.send((rpdmp.CONN_PARTIAL, (rpdmp.MSG_FILE,
(copy_succeeded, rpd_file, i + 1, temp_full_file_name,
thumbnail_icon, thumbnail))))
self.results_pipe.send((rpdmp.CONN_COMPLETE, None))
def _get_dest_dir(self, file_type):
if file_type == rpdfile.FILE_TYPE_PHOTO:
return self.photo_temp_dir
else:
return self.video_temp_dir
def _create_temp_dir(self, folder):
try:
temp_dir = tempfile.mkdtemp(prefix="rpd-tmp-", dir=folder)
except OSError, (errno, strerror):
# FIXME: error reporting
logger.error("Failed to create temporary directory in %s: %s %s",
errono,
strerror,
folder)
temp_dir = None
return temp_dir
def create_temp_dirs(self):
self.photo_temp_dir = self.video_temp_dir = None
if self.photo_download_folder is not None:
self.photo_temp_dir = self._create_temp_dir(self.photo_download_folder)
if self.video_download_folder is not None:
self.video_temp_dir = self._create_temp_dir(self.photo_download_folder)
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