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
|
#!/usr/bin/python
# -*- coding: latin1 -*-
### Copyright (C) 2007 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 os
import config
import common
import operator
def getDefaultPhotoLocation():
for default in config.DEFAULT_PHOTO_LOCATIONS:
path = common.getFullPath(default)
if os.path.isdir(path):
return path
return common.getFullPath('')
def isImageMedia(path):
""" Returns true if directory specifies some media with photos on it """
if os.path.isdir(os.path.join(path, "DCIM")):
# is very likely a memory card, or something like that!
return True
else:
return False
def isBackupMedia(path, identifier, writeable=True):
""" Test to see if path is used as a backup medium for storing images
If writeable is True, the directory must be writeable by the user """
suitable = False
if os.path.isdir(os.path.join(path, identifier)):
if writeable:
suitable = os.access(os.path.join(path, identifier), os.W_OK)
else:
suitable = True
return suitable
def isImage(fileName):
ext = os.path.splitext(fileName)[1].lower()[1:]
return (ext in config.RAW_FILE_EXTENSIONS) or (ext in config.NON_RAW_IMAGE_FILE_EXTENSIONS)
class Media:
""" Generic class for media holding images """
def __init__(self, path, volume = None):
"""
volume is a gnomevfs volume
"""
self.path = path
self.volume = volume
def prettyName(self, limit=config.MAX_LENGTH_DEVICE_NAME):
"""
Returns a name for the media, useful for display.
If the media is from a gnomevfs volume, returns the gnome name.
Else. returns the last part of the mount point after stripping out
underscores.
"""
if self.volume:
return self.volume.get_name(limit)
else:
name = os.path.split(self.path)[1]
name = name.replace('_', ' ')
v = name
if limit:
if len(v) > limit:
v = v[:limit] + '...'
return v
def getPath(self):
return self.path
class CardMedia(Media):
"""Compact Flash cards, etc."""
def __init__(self, path, volume = None, doNotScan=True):
"""
volume is a gnomevfs volume
"""
Media.__init__(self, path, volume)
if not doNotScan:
self.scanMedia()
def scanMedia(self):
""" creates a list of images on a path, recursively scanning
images are sorted by modification time"""
self.images = []
self.imageSizeSum = 0
for root, dirs, files in os.walk(self.path):
for name in files:
if isImage(name):
image = os.path.join(root, name)
size = os.path.getsize(image)
modificationTime = os.path.getmtime(image)
self.images.append((name, root, size, modificationTime),)
self.imageSizeSum += size
self.images.sort(key=operator.itemgetter(3))
self.noImages = len(self.images)
def setMedia(self, images, imageSizeSum, noImages):
self.images = images
self.imageSizeSum = imageSizeSum
self.noImages = noImages
def numberOfImages(self):
return self.noImages
def sizeOfImages(self, humanReadable = True):
if humanReadable:
return common.formatSizeForUser(self.imageSizeSum)
else:
return self.imageSizeSum
def firstImage(self):
if self.images:
return self.images[0]
else:
return None
def scanForImageMedia(path):
""" returns a list of paths that contain images on media produced by a digital camera """
media = []
for i in os.listdir(path):
p = os.path.join(path, i)
if os.path.isdir(p):
if isImageMedia(p):
media.append(p)
return media
def scanForBackupMedia(path, identifier):
""" returns a list of paths that contains backed up images """
media = []
for i in os.listdir(path):
p = os.path.join(path, i)
if os.path.isdir(p):
if isBackupMedia(p, identifier):
media.append(os.path.join(p, identifier))
return media
if __name__ == '__main__':
print "Card media:"
for m in scanForImageMedia('/media'):
media = CardMedia(m)
print media.prettyName()
print media.numberOfImages()
print media.sizeOfImages()
print "\nBackup media:"
for m in scanForBackupMedia('/media', 'photos'):
print m
print "\nDefault download folder: ", getDefaultPhotoLocation()
|
