Matplotlib似乎需要$ DISPLAY环境变量,这意味着正在运行的X服务器.
某些Web托管服务不允许运行X服务器会话.
有没有办法在没有正在运行的X服务器的情况下使用matplotlib生成图形？
[username@hostname ~]$ python2.6
Python 2.6.5 (r265:79063, Nov 23 2010, 02:02:03)
[GCC 4.1.2 20080704 (Red Hat 4.1.2-48)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import matplotlib.pyplot as plt
>>> fig = plt.figure()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/username/lib/python2.6/matplotlib-1.0.1-py2.6-linux-i686.egg/matplotlib/pyplot.py", line 270, in figure
**kwargs)
File "/home/username/lib/python2.6/matplotlib-1.0.1-py2.6-linux-i686.egg/matplotlib/backends/backend_tkagg.py", line 80, in new_figure_manager
window = Tk.Tk()
File "/usr/local/lib/python2.6/lib-tk/Tkinter.py", line 1643, in __init__
self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, …