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
|
# This file is part of ranger, the console file manager.
# License: GNU GPL version 3, see the file "AUTHORS" for details.
# TODO: add a __getitem__ method to get the tag of a file
from __future__ import (absolute_import, print_function)
from os.path import isdir, exists, dirname, abspath, realpath, expanduser
import string
import sys
ALLOWED_KEYS = string.ascii_letters + string.digits + string.punctuation
class Tags(object):
default_tag = '*'
def __init__(self, filename):
self._filename = realpath(abspath(expanduser(filename)))
if isdir(dirname(self._filename)) and not exists(self._filename):
open(self._filename, 'w')
self.sync()
def __contains__(self, item):
return item in self.tags
def add(self, *items, **others):
if 'tag' in others:
tag = others['tag']
else:
tag = self.default_tag
self.sync()
for item in items:
self.tags[item] = tag
self.dump()
def remove(self, *items):
self.sync()
for item in items:
try:
del self.tags[item]
except KeyError:
pass
self.dump()
def toggle(self, *items, **others):
if 'tag' in others:
tag = others['tag']
else:
tag = self.default_tag
tag = str(tag)
if tag not in ALLOWED_KEYS:
return
self.sync()
for item in items:
try:
if item in self and tag in (self.tags[item], self.default_tag):
del self.tags[item]
else:
self.tags[item] = tag
except KeyError:
pass
self.dump()
def marker(self, item):
if item in self.tags:
return self.tags[item]
return self.default_tag
def sync(self):
try:
if sys.version_info[0] >= 3:
fobj = open(self._filename, 'r', errors='replace')
else:
fobj = open(self._filename, 'r')
except OSError:
pass
else:
self.tags = self._parse(fobj)
fobj.close()
def dump(self):
try:
fobj = open(self._filename, 'w')
except OSError:
pass
else:
self._compile(fobj)
fobj.close()
def _compile(self, fobj):
for path, tag in self.tags.items():
if tag == self.default_tag:
# COMPAT: keep the old format if the default tag is used
fobj.write(path + '\n')
elif tag in ALLOWED_KEYS:
fobj.write('{0}:{1}\n'.format(tag, path))
def _parse(self, fobj):
result = dict()
for line in fobj:
line = line.strip()
if len(line) > 2 and line[1] == ':':
tag, path = line[0], line[2:]
if tag in ALLOWED_KEYS:
result[path] = tag
else:
result[line] = self.default_tag
return result
def __nonzero__(self):
return True
__bool__ = __nonzero__
class TagsDummy(Tags):
"""A dummy Tags class for use with `ranger --clean`.
It acts like there are no tags and avoids writing any changes.
"""
def __init__(self, filename): # pylint: disable=super-init-not-called
self.tags = dict()
def __contains__(self, item):
return False
def add(self, *items, **others):
pass
def remove(self, *items):
pass
def toggle(self, *items, **others):
pass
def marker(self, item):
return self.default_tag
def sync(self):
pass
def dump(self):
pass
def _compile(self, fobj):
pass
def _parse(self, fobj):
pass
|