/usr/share/rapid-photo-downloader/rapid/filemodify.py is in rapid-photo-downloader 0.4.11-1.
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 | #!/usr/bin/python
# -*- coding: latin1 -*-
### Copyright (C) 2011-2014 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
### USA
import os.path, fractions
import subprocess
import hashlib
import multiprocessing
import logging
logger = multiprocessing.get_logger()
import rpdmultiprocessing as rpdmp
import rpdfile
import metadataxmp as mxmp
import subfolderfile
import config
import problemnotification as pn
from gettext import gettext as _
WRITE_XMP_INPLACE = rpdfile.NON_RAW_IMAGE_EXTENSIONS + ['dng']
def lossless_rotate(jpeg):
"""using exiftran, performs a lossless, inplace translation of a jpeg, preserving time stamps"""
try:
logger.debug("Auto rotating %s", jpeg)
proc = subprocess.Popen(['exiftran', '-a', '-i', '-p', jpeg], stdout=subprocess.PIPE)
v = proc.communicate()[0].strip()
except OSError:
v = None
return v
class FileModify(multiprocessing.Process):
def __init__(self, auto_rotate_jpeg, focal_length, verify_file,
refresh_md5_on_file_change, results_pipe, terminate_queue,
run_event):
multiprocessing.Process.__init__(self)
self.results_pipe = results_pipe
self.terminate_queue = terminate_queue
self.run_event = run_event
self.auto_rotate_jpeg = auto_rotate_jpeg
self.focal_length = focal_length
self.verify_file = verify_file
self.refresh_md5_on_file_change = refresh_md5_on_file_change
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
return True
return False
def create_rational(self, value):
return '%s/%s' % (value.numerator, value.denominator)
def run(self):
download_count = 0
copy_finished = False
while not copy_finished:
logger.debug("Finished %s. Getting next task.", download_count)
data = self.results_pipe.recv()
if len(data) > 2:
rpd_file, download_count, temp_full_file_name, thumbnail_icon, thumbnail, copy_finished = data
else:
rpd_file, copy_finished = data
if rpd_file is None:
# this is a termination signal
logger.info("Terminating file modify via pipe")
return None
# pause if instructed by the caller
self.run_event.wait()
if self.check_termination_request():
return None
copy_succeeded = True
redo_md5 = False
if self.verify_file:
logger.debug("Verifying file %s....", rpd_file.name)
md5 = hashlib.md5(open(temp_full_file_name).read()).hexdigest()
if md5 <> rpd_file.md5:
logger.critical("%s file verification FAILED", rpd_file.name)
logger.critical("The %s did not download correctly!", rpd_file.title)
rpd_file.status = config.STATUS_DOWNLOAD_FAILED
rpd_file.add_problem(None, pn.FILE_VERIFICATION_FAILED,
{'filetype': rpd_file.title})
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}
copy_succeeded = False
else:
logger.debug("....file %s verified", rpd_file.name)
if copy_succeeded:
if self.auto_rotate_jpeg and rpd_file.file_type == rpdfile.FILE_TYPE_PHOTO:
if rpd_file.extension in rpdfile.JPEG_EXTENSIONS:
lossless_rotate(rpd_file.temp_full_file_name)
redo_md5 = True
xmp_sidecar = None
# check to see if focal length and aperture data should be manipulated
if self.focal_length is not None and rpd_file.file_type == rpdfile.FILE_TYPE_PHOTO:
if subfolderfile.load_metadata(rpd_file, temp_file=True):
a = rpd_file.metadata.aperture()
if a == '0.0':
logger.info("Adjusting focal length and aperture for %s (%s)", rpd_file.temp_full_file_name, rpd_file.name)
new_focal_length = fractions.Fraction(self.focal_length,1)
new_aperture = fractions.Fraction(8,1)
if rpd_file.extension in WRITE_XMP_INPLACE:
try:
rpd_file.metadata["Exif.Photo.FocalLength"] = new_focal_length
rpd_file.metadata["Exif.Photo.FNumber"] = new_aperture
rpd_file.metadata.write(preserve_timestamps=True)
redo_md5 = True
logger.debug("Wrote new focal length and aperture to %s (%s)", rpd_file.temp_full_file_name, rpd_file.name)
except:
logger.error("failed to write new focal length and aperture to %s (%s)!", rpd_file.temp_full_file_name, rpd_file.name)
else:
# write to xmp sidecar
xmp_sidecar = mxmp.XmpMetadataSidecar(rpd_file.temp_full_file_name)
xmp_sidecar.set_exif_value('FocalLength', self.create_rational(new_focal_length))
xmp_sidecar.set_exif_value('FNumber', self.create_rational(new_aperture))
# store values in rpd_file, so they can be used in the subfolderfile process
rpd_file.new_focal_length = new_focal_length
rpd_file.new_aperture = new_aperture
if xmp_sidecar is not None:
# need to write out xmp sidecar
o = xmp_sidecar.write_xmp_sidecar()
logger.debug("Wrote XMP sidecar file")
logger.debug("exiv2 output: %s", o)
rpd_file.temp_xmp_full_name = rpd_file.temp_full_file_name + '.xmp'
if self.refresh_md5_on_file_change and redo_md5:
rpd_file.md5 = hashlib.md5(open(temp_full_file_name).read()).hexdigest()
rpd_file.metadata = None #purge metadata, as it cannot be pickled
self.results_pipe.send((rpdmp.CONN_PARTIAL,
(copy_succeeded, rpd_file, download_count,
temp_full_file_name,
thumbnail_icon, thumbnail)))
self.results_pipe.send((rpdmp.CONN_COMPLETE, None))
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