Mikel
今天在centos中使用pip安装PIL死活不成功，报错：
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Could not find a version that satisfies the requirement PIL (from versions: )Some externally hosted files were ignored as access to them may be unreliable (use --allow-external PIL to allow).No matching distribution found for PIL |
但是使用pip search PIL查找，源中确实有该包：
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PIL - Python Imaging Library |
google之，得到如下办法（http://stackoverflow.com/questions/21242107/pip-install-pil-dont-install-into-virtualenv）：
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sudo pip install PIL --allow-external PIL --allow-unverified PIL |
果然成功了。
但是程序运行时又报错：
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font = ImageFont.truetype(os.path.join("fonts",font_type), font_size)<br>ImportError: The _imagingft C module is not installed |
似乎是没有安装truetype扩展之类的。那就安装吧(http://stackoverflow.com/questions/4011705/python-the-imagingft-c-module-is-not-installed):
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sudo yum install freetype-devel |
然后卸载、重新安装PIL
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sudo pip uninstall PILsudo pip install PIL --allow-external PIL --allow-unverified PIL |
终于搞定了
PS:之前还尝试过从官网下载PIL源码自己编译安装：
（参照：http://www.cnblogs.com/free–coder/archive/2012/09/12/2681361.html）
1.下载源码并解压：
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wget http://effbot.org/downloads/Imaging-1.1.7.tar.gztar -xzvf Imaging-1.1.7.tar.gz |
2.编译安装（注意要root权限）：
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python setup.py buildpython setup.py install |
安装倒是成功了，但是python脚本运行时报错：
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/usr/lib64/python2.7/site-packages/PIL/Image.py:81: RuntimeWarning: The _imaging extension was built for another version of Pillow or PIL warnings.warn(str(v), RuntimeWarning)Traceback (most recent call last): File "captcha.py", line 3, in <module> import Image, ImageDraw, ImageFont, ImageFilter File "/usr/lib64/python2.7/site-packages/PIL/Image.py", line 65, in <module> raise ImportError("The _imaging extension was built for another "ImportError: The _imaging extension was built for another version of Pillow or PIL |
似乎版本不对。。。。。
放弃了
