The SpacePy team currently provides binary “wheels” via PyPI so it can
be installed on Windows without a compiler. Binaries are provided for
Python 2.7 and 3.6 through 3.9 in 64-bit and 32-bit variants for each.
pip install spacepy should find and install these binaries.
At this writing (2020-12-24), a Windows bug affects numpy. Version 1.19.3 is known to work, so it is strongly recommended to install this version:
pip install numpy==1.19.3
pip install spacepy
The bug is documented here. It will affect users for whom all of the following are true. In general, if you don’t know, the answer is probably yes:
Running 64-bit Windows
Running the latest (2004) update of Windows 10.
Not taking specific action to compile numpy and its dependent libraries in a way that works around this bug.
32-bit Windows binaries will be discontinued with SpacePy 0.3, so installing 32-bit SpacePy will require compiling.
You may need to install the dependencies some way other than pip; for example, if you are running an earlier version of Python. The latest version of many dependencies requires Python 3.6 and pip will not install older versions to get around this. See Dependencies via conda.
With Anaconda, the compiler and ffnet can be installed with:
conda install m2w64-gcc-fortran libpython SET FC_VENDOR=gfortran pip install ffnet
The FC_VENDOR line is necessary because ffnet defaults to the Microsoft compiler.
Some standalone binary installers (no
pip support) are also
available on the ffnet site. These do not require a
compiler but support only a limited set of Python versions.
If a binary wheel is not available for your version of Python,
will try to compile SpacePy. The only supported compiler is
mingw32. Install it with:
conda install m2w64-gcc-fortran libpython
This is also required if installing from a source distribution or git checkout.
irbempy requires Fortran to compile and the only
supported compiler is
gnu95; this is the default and provided
If you have difficulties, it may be useful to reference the build scripts the SpacePy developers use.
pycdf requires the NASA CDF library . Binary
installers are available for Windows; be sure to pick the version
that matches your Python installation. The current 32-bit version
for 64-bit, cdf37_1_0-setup-64.exe.
This is a simple self-extracting installer that can be installed either before or after installing SpacePy.
Standalone installers for Windows will be discontinued starting with
SpacePy 0.3. Binary wheels will still be provided and can be
downloaded from the same location and installed with
pip install spacepy-0.2.2-cp38-cp38-win_amd64.whl.
Self-extracting and self-installing executables are also available for
download direct from our github. Be sure to choose the
file that matches your Python installation, both in Python version and
word size (64-bit vs. 32-bit.)
spacepy-0.2.0.win-amd64.py36.exe is the installer for Python
3.6 on 64-bit Windows and
spacepy-0.2.0.win32.py27.exe is the
installer for Python 2.7 on 32-bit Windows.
Once downloaded, these can be installed without an internet connection.
If using these installers, the SpacePy Dependencies will not be installed automatically.
conda install numpy scipy matplotlib networkx h5py
Most of the SpacePy Dependencies have Windows installers available via
their pages, but
conda are recommended instead.