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
|
#!/usr/bin/env python
# python-gphoto2 - Python interface to libgphoto2
# http://github.com/jim-easterbrook/python-gphoto2
# Copyright (C) 2014-22 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 io
import locale
import logging
import os
import six
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' % path)
folder, name = os.path.split(path)
camera_file = gp.check_result(gp.gp_camera_file_get(
camera, folder, name, gp.GP_FILE_TYPE_NORMAL))
## # read file data using 'slurp' and a buffer allocated in Python
## info = gp.check_result(
## gp.gp_camera_file_get_info(camera, folder, name))
## file_data = bytearray(info.file.size)
## count = gp.check_result(gp.gp_file_slurp(camera_file, file_data))
## print(count, 'bytes read')
# or read data using 'get_data_and_size' which allocates its own buffer
file_data = gp.check_result(gp.gp_file_get_data_and_size(camera_file))
data = memoryview(file_data)
print(type(data), len(data))
print(data[:10].tolist())
image = Image.open(io.BytesIO(file_data))
image.show()
print('After deleting camera_file and file_data')
del camera_file, file_data
print(type(data), len(data))
print(data[:10].tolist())
gp.check_result(gp.gp_camera_exit(camera))
return 0
if __name__ == "__main__":
sys.exit(main())
|
