Am 06.01.2015 um 22:00 schrieb Aaron Meurer:
Most of these issues are general to the way Python handles dependencies and
packaging and not specific to SymPy or mpmath.
Sure.
I was more venting off that the docs weren't updated, and I have yet to
determine how to properly use virtualenv - right now it doesn't meld
well into the workflow.
> The ImportError is
generally the best error message you get when a package is missing. The
permissions issues are due to the way Python gets installed by the system
in a place that isn't user-writable. You either have to use sudo or know
how to install somewhere that is user-writable.
Exactly. I guess a hint at virtualenv would be appropriate.
The mpmath installer sadly does not say so.
Even so, I can guarantee that the following will work (once we do a
release):
- Installing SymPy via Anaconda or conda will get the mpmath dependency.
- pip installing SymPy will get mpmath
- If you have setuptools installed, python setup.py install will download
and install mpmath, if it isn't installed already.
The toughest situation will be for people who are developing on SymPy
(i.e., they just clone the repo, without installing). They will need to
know to install mpmath, which requires better documentation and error
messages.
100% ack.
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