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python-3.xstringiocstringio

python 3.x ImportError: No module named 'cStringIO'

How do I solve an ImportError: No module named 'cStringIO' under Python 3.x?

Solution

  • From Python 3.0 changelog:

    The StringIO and cStringIO modules are gone. Instead, import the io module and use io.StringIO or io.BytesIO for text and data respectively.

    From the Python 3 email documentation it can be seen that io.StringIO should be used instead:

    from io import StringIO
from email.generator import Generator

fp = StringIO()
g = Generator(fp, mangle_from_=True, maxheaderlen=60)
g.flatten(msg)
text = fp.getvalue()