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
|
#!/usr/bin/env python
# python-gphoto2 - Python interface to libgphoto2
# http://github.com/jim-easterbrook/python-gphoto2
# Copyright (C) 2015-22 Jim Easterbrook jim@jim-easterbrook.me.uk
#
# This file is part of python-gphoto2.
#
# python-gphoto2 is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# python-gphoto2 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with python-gphoto2. If not, see
# <https://www.gnu.org/licenses/>.
import locale
import logging
import os
import io
import sys
from PIL import Image
import gphoto2 as gp
def list_files(camera, path='/'):
result = []
# get files
for name, value in gp.check_result(
gp.gp_camera_folder_list_files(camera, path)):
result.append(os.path.join(path, name))
# read folders
folders = []
for name, value in gp.check_result(
gp.gp_camera_folder_list_folders(camera, path)):
folders.append(name)
# recurse over subfolders
for name in folders:
result.extend(list_files(camera, os.path.join(path, name)))
return result
def main():
locale.setlocale(locale.LC_ALL, '')
logging.basicConfig(
format='%(levelname)s: %(name)s: %(message)s', level=logging.WARNING)
callback_obj = gp.check_result(gp.use_python_logging())
camera = gp.check_result(gp.gp_camera_new())
gp.check_result(gp.gp_camera_init(camera))
print('Getting list of files')
files = list_files(camera)
if not files:
print('No files found')
return 1
path = files[0]
print('Copying %s to memory in 100 kilobyte chunks' % path)
folder, name = os.path.split(path)
file_info = gp.check_result(gp.gp_camera_file_get_info(
camera, folder, name))
data = bytearray(file_info.file.size)
view = memoryview(data)
chunk_size = 100 * 1024
offset = 0
while offset < len(data):
bytes_read = gp.check_result(gp.gp_camera_file_read(
camera, folder, name, gp.GP_FILE_TYPE_NORMAL,
offset, view[offset:offset + chunk_size]))
offset += bytes_read
print(bytes_read)
print(' '.join(map(str, data[0:10])))
image = Image.open(io.BytesIO(data))
image.show()
gp.check_result(gp.gp_camera_exit(camera))
return 0
if __name__ == "__main__":
sys.exit(main())
|
