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
|
# dxfgrabber - copyright (C) 2012 by Manfred Moitzi (mozman)
# Purpose: grab information from DXF drawings - all DXF versions supported
# Created: 21.07.2012
# License: MIT License
version = (0, 8, 4)
VERSION = "%d.%d.%d" % version
__author__ = "mozman <mozman@gmx.at>"
__doc__ = """A Python library to grab information from DXF drawings - all DXF versions supported."""
# Python27/3x support should be done here
import sys
PYTHON3 = sys.version_info.major > 2
if PYTHON3:
tostr = str
else: # PYTHON27
tostr = unicode
# end of Python 2/3 adaption
# if tostr does not work, look at package 'dxfwrite' for escaping unicode chars
from .const import BYBLOCK, BYLAYER
import io
from .tags import dxfinfo
from .color import aci_to_true_color
def read(stream, options=None):
if hasattr(stream, 'readline'):
from .drawing import Drawing
return Drawing(stream, options)
else:
raise AttributeError('stream object requires a readline() method.')
def readfile(filename, options=None):
try: # is it ascii code-page encoded?
return readfile_as_asc(filename, options)
except UnicodeDecodeError: # try unicode and ignore errors
return readfile_as_utf8(filename, options, errors='ignore')
def readfile_as_utf8(filename, options=None, errors='strict'):
return _read_encoded_file(filename, options, encoding='utf-8', errors=errors)
def readfile_as_asc(filename, options=None):
def get_encoding():
with io.open(filename) as fp:
info = dxfinfo(fp)
return info.encoding
return _read_encoded_file(filename, options, encoding=get_encoding())
def _read_encoded_file(filename, options=None, encoding='utf-8', errors='strict'):
from .drawing import Drawing
with io.open(filename, encoding=encoding, errors=errors) as fp:
dwg = Drawing(fp, options)
dwg.filename = filename
return dwg
|
