/usr/share/pyshared/libtiff/utils.py is in python-libtiff 0.3.0~svn78-2.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 | # Author: Pearu Peterson
# Created: June 2010
from __future__ import division
__all__ = ['bytes2str']
import optparse
VERBOSE = False
def bytes2str(bytes):
l = []
Pbytes = bytes//1024**5
if Pbytes:
l.append('%sPi' % (Pbytes))
bytes = bytes - 1024**5 * Pbytes
Tbytes = bytes//1024**4
if Tbytes:
l.append('%sTi' % (Tbytes))
bytes = bytes - 1024**4 * Tbytes
Gbytes = bytes//1024**3
if Gbytes:
l.append('%sGi' % (Gbytes))
bytes = bytes - 1024**3 * Gbytes
Mbytes = bytes//1024**2
if Mbytes:
l.append('%sMi' % (Mbytes))
bytes = bytes - 1024**2 * Mbytes
kbytes = bytes//1024
if kbytes:
l.append('%sKi' % (kbytes))
bytes = bytes - 1024*kbytes
if bytes: l.append('%s' % (bytes))
if not l: return '0 bytes'
return '+'.join(l) + ' bytes'
class Options(optparse.Values):
"""Holds option keys and values.
Examples
--------
>>> from iocbio.utils import Options
>>> options = Options(a='abc', n=4)
>>> print options
{'a': 'abc', 'n': 4}
>>> options.get(n=5)
4
>>> options.get(m=5)
5
>>> print options
{'a': 'abc', 'm': 5, 'n': 4}
>>> options2 = Options(options)
>>> options.get(k = 6)
>>> print options2 # note that updating options will update also options2
{'a': 'abc', 'm': 5, 'n': 4, 'k': 6}
See also
--------
__init__
"""
def __init__(self, *args, **kws):
"""Construct Options instance.
The following constructions are supported:
+ construct Options instance from keyword arguments::
Options(key1 = value1, key2 = value2, ...)
+ construct Options instance from :pythonlib:`optparse`.Values
instance and override with keyword arguments::
Options(<Values instance>, key1 = value1, ...)
+ construct Options instance from Options instance::
Options(<Options instance>, key1 = value1, ...)
Note that both Options instances will share options data.
See also
--------
Options
"""
if len(args)==0:
optparse.Values.__init__(self, kws)
elif len (args)==1:
arg = args[0]
if isinstance(arg, Options):
self.__dict__ = arg.__dict__
self.__dict__.update(**kws)
elif isinstance(arg, optparse.Values):
optparse.Values.__init__(self, arg.__dict__)
self.__dict__.update(**kws)
elif isinstance(arg, type (None)):
optparse.Values.__init__(self, kws)
else:
raise NotImplementedError(`arg`)
else:
raise NotImplementedError(`args`)
def get(self, **kws):
"""Return option value.
For example, ``options.get(key = default_value)`` will return
the value of an option with ``key``. If such an option does
not exist then update ``options`` and return
``default_value``.
Parameters
----------
key = default_value
Specify option key and its default value.
Returns
-------
value
Value of the option.
See also
--------
Options
"""
assert len (kws)==1,`kws`
key, default = kws.items()[0]
if key not in self.__dict__:
if VERBOSE:
print 'Options.get: adding new option: %s=%r' % (key, default)
self.__dict__[key] = default
value = self.__dict__[key]
if value is None:
value = self.__dict__[key] = default
return value
def splitcommandline(line):
items, stopchar = splitquote (line)
result = []
for item in items:
if item[0]==item[-1] and item[0] in '\'"':
result.append (item[1:-1])
else:
result.extend (item.split())
return result
def splitquote(line, stopchar=None, lower=False, quotechars = '"\''):
"""
Fast LineSplitter.
Copied from The F2Py Project.
"""
items = []
i = 0
while 1:
try:
char = line[i]; i += 1
except IndexError:
break
l = []
l_append = l.append
nofslashes = 0
if stopchar is None:
# search for string start
while 1:
if char in quotechars and not nofslashes % 2:
stopchar = char
i -= 1
break
if char=='\\':
nofslashes += 1
else:
nofslashes = 0
l_append(char)
try:
char = line[i]; i += 1
except IndexError:
break
if not l: continue
item = ''.join(l)
if lower: item = item.lower()
items.append(item)
continue
if char==stopchar:
# string starts with quotechar
l_append(char)
try:
char = line[i]; i += 1
except IndexError:
if l:
item = str(''.join(l))
items.append(item)
break
# else continued string
while 1:
if char==stopchar and not nofslashes % 2:
l_append(char)
stopchar = None
break
if char=='\\':
nofslashes += 1
else:
nofslashes = 0
l_append(char)
try:
char = line[i]; i += 1
except IndexError:
break
if l:
item = str(''.join(l))
items.append(item)
return items, stopchar
|