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support both older and newer versions of reportlab

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closes #71
This commit is contained in:
fritz-hh 2014-04-27 15:53:20 +02:00
parent 3546f84c6d
commit b70863b47e
1 changed files with 7 additions and 3 deletions
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8
src/hocrTransform.py
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@ -14,7 +14,6 @@ from PIL import Image
import re, sys import re, sys
import argparse import argparse
def monkeypatch_method(cls): def monkeypatch_method(cls):
''' '''
Override a class method at runtime. Override a class method at runtime.
@ -47,7 +46,12 @@ def PIL_imagedata(self):
from reportlab.lib.utils import import_zlib from reportlab.lib.utils import import_zlib
from reportlab import rl_config from reportlab import rl_config
from reportlab.pdfbase.pdfutils import _AsciiBase85Encode, _chunker from reportlab.pdfbase.pdfutils import _chunker
# in order to support both newer and older versions of reportlab
try:
from reportlab.pdfbase.pdfutils import _AsciiBase85Encode
except ImportError:
from reportlab.pdfbase.pdfutils import _asciiBase85Encode as _AsciiBase85Encode
self.source = 'PIL' self.source = 'PIL'
zlib = import_zlib() zlib = import_zlib()