qrcode for python on linux
I have an error when i used pyqrcode.
[root@localhost python2.6]# python
Python 2.6.5 (r265:79063, Sep 7 2010, 07:31:57)
[GCC 4.1.2 20080704 (Red Hat 4.1.2-48)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import qrcode
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python2.6开发者_运维百科/site-packages/qrcode-0.2.1-py2.6-linux-x86_64.egg/qrcode/__init__.py", line 6, in <module>
from qrcode import _qrcode
ImportError: cannot import name _qrcode
How to resolve above error?
I am referring pyqrcode from http://pyqrcode.sourceforge.net/
Thanks, Manu
After the installation of PIL-1.1.7
and JCC-2.14
, I've tried to install pyqrcode-0.2.1
from sources as you did, and also ran into the same error :
ImportError: No module named _qrcode
. But then I've noticed that _qrcode
is actually a lib (_qrcode.so
). So I've tried to add it on my library path :
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/python2.7/site-packages/qrcode-0.2.1-py2.7-linux-x86_64.egg/qrcode/
And it worked ! Well actually, not quite, I ran into another error :
AttributeError: 'module' object has no attribute '_setExceptionTypes'
So I've edited the __init__.py
file
# probably located under a path like this for linux
/usr/local/lib/python2.7/site-packages/qrcode-0.2.1-py2.7-linux-x86_64.egg/qrcode/
# or under a path like this for a Mac
/Library/Python/2.7/site-packages/qrcode-0.2.1-py2.7-macosx-10.7-intel.egg/qrcode/
and commented out line 21 :
# _qrcode._setExceptionTypes(JavaError, InvalidArgsError)
Then I was able to run their simple example :
#!/usr/bin/env python
# coding: utf-8
#
# pyqrcode sample encoder
import sys, qrcode
e = qrcode.Encoder()
image = e.encode('woah!', version=15, mode=e.mode.BINARY, eclevel=e.eclevel.H)
image.save('out.png')
(source : http://pyqrcode.sourceforge.net/)
Hope it helps,
精彩评论