def dxf_stream_info(stream):
"""
Reads basic DXF information from a text stream: DXF version, encoding and handle seed.
Returns:
DXF info object with attributes: version, release, handseed, encoding
"""
info = dxf_info(stream)
if info.version >= 'AC1021': # R2007 files and later are always encoded as UTF-8
info.encoding = 'utf-8'
return info
def checkhandles(stream):
info = dxf_info(stream)
stream.seek(0)
handles = []
iterator = TagIterator(stream)
for tag in iterator:
if tag.code in (5, 105):
try:
handle = int(tag.value, 16)
except ValueError:
print('invalid handle at line number %d' % iterator.lineno)
else:
handles.append(handle)
printhandles(handles, info)
def get_dxf_info(self):
info = dxf_info(self)
# since DXF R2007 (AC1021) file encoding is always 'utf-8'
self.encoding = info.encoding if info.version < 'AC1021' else 'utf-8'
self.dxfversion = info.version
def get_dxf_encoding(self):
info = dxf_info(self)
# since DXF R2007 (AC1021) file encoding is always 'utf-8'
self.encoding = info.encoding if info.version < 'AC1021' else 'utf-8'
