/usr/lib/python2.7/dist-packages/FontTools/fontTools/misc/textTools.py is in fonttools 3.0-1.
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 | """fontTools.misc.textTools.py -- miscellaneous routines."""
from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
import string
def safeEval(data, eval=eval):
"""A (kindof) safe replacement for eval."""
return eval(data, {"__builtins__":{"True":True,"False":False}})
def readHex(content):
"""Convert a list of hex strings to binary data."""
return deHexStr(strjoin(chunk for chunk in content if isinstance(chunk, basestring)))
def deHexStr(hexdata):
"""Convert a hex string to binary data."""
hexdata = strjoin(hexdata.split())
if len(hexdata) % 2:
hexdata = hexdata + "0"
data = []
for i in range(0, len(hexdata), 2):
data.append(bytechr(int(hexdata[i:i+2], 16)))
return bytesjoin(data)
def hexStr(data):
"""Convert binary data to a hex string."""
h = string.hexdigits
r = ''
for c in data:
i = byteord(c)
r = r + h[(i >> 4) & 0xF] + h[i & 0xF]
return r
def num2binary(l, bits=32):
items = []
binary = ""
for i in range(bits):
if l & 0x1:
binary = "1" + binary
else:
binary = "0" + binary
l = l >> 1
if not ((i+1) % 8):
items.append(binary)
binary = ""
if binary:
items.append(binary)
items.reverse()
assert l in (0, -1), "number doesn't fit in number of bits"
return ' '.join(items)
def binary2num(bin):
bin = strjoin(bin.split())
l = 0
for digit in bin:
l = l << 1
if digit != "0":
l = l | 0x1
return l
def caselessSort(alist):
"""Return a sorted copy of a list. If there are only strings
in the list, it will not consider case.
"""
try:
return sorted(alist, key=lambda a: (a.lower(), a))
except TypeError:
return sorted(alist)
def pad(data, size):
r""" Pad byte string 'data' with null bytes until its length is a
multiple of 'size'.
>>> len(pad(b'abcd', 4))
4
>>> len(pad(b'abcde', 2))
6
>>> len(pad(b'abcde', 4))
8
>>> pad(b'abcdef', 4) == b'abcdef\x00\x00'
True
"""
data = tobytes(data)
if size > 1:
while len(data) % size != 0:
data += b"\0"
return data
if __name__ == "__main__":
import doctest
sys.exit(doctest.testmod().failed)
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