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Simple script to download .whl packages from

Project description

Gohlke Grabber

Simple script to download .whl packages from the pre-built Python packages at

Christoph Gohlke maintains 32-bit and 64-bit binaries for many popular scientific Python packages. These can save you some trouble in cases where getting the package from PyPI (using pip install package_name) causes pip to try and build underlying C or C++ code. This can of course be made to work on Windows, but requires the installation and configuration of a C/++ compiler and libraries - both of which come standard with a Linux installation, but not with Windows.

So, if you have issues installing a package, you trust Gohlke's build, and you want something easy that helps automate the download, grab a copy of and call it like shown below or in

Of course, once you have a wheel (a file with the .whl extension), you can install it using:

pip install path\to\saved\location\name.whl


pip install gohlkegrabber


Dependencies that will be installed :


Getting Started


After installing, to get a recent copy of gdal:

from gohlkegrabber import GohlkeGrabber
gg = GohlkeGrabber()
gg.retrieve('c:/temp', 'gdal')

In greater detail

When you create a GohlkeGrabber, it automatically download the index from the website (or reads a cached copy) and figures out all the packages on offer. Of course, this requires an active connection to the web.

You can list the available packages:


Note that .packages is a dict - of course you can just use the dictionary directly and the data therein yourself as well. For example, this is what the start of the numpy entry looks like:

  'numpy-1.16.5+mkl-cp27-cp27m-win32.whl': {
    'link': '',
    'version': '1.16.5+mkl',
    'build': None,
    'python': '2.7',
    'abi': 'cp27m',
    'platform': 'win32'
  'numpy-1.16.5+mkl-cp27-cp27m-win_amd64.whl': ...

To download the latest version (default) of numpy, for Windows 64-bit (default), and for the most recent version of Python (default) for which it is available, you would call:

fn, metadata = gg.retrieve(output_folder, 'numpy')

fn will be the filename of the wheel that was downloaded. metadata will be a dictionary with the metadata for the downloaded wheel. Both will be None if no package could be downloaded that matched the request.

An example of what the metadata would look like:

  'link': '',
  'version': '1.17.4+mkl',
  'build': None,
  'python': '3.8',
  'abi': 'cp38',
  'platform': 'win_amd64'

Note that this is just the appropriate entry from the .packages dict.

To get a copy for a specific Python version (e.g. 2.7), Windows version (e.g. 32-bit) and package version (e.g. '<1.17'), you can provide extra parameters to the call in no particular order:

fn, metadata = gg.retrieve(output_folder, 'numpy', python='2.7', platform='win32', version='<1.17')

Any file downloaded will be stored in the output_folder.

If the file already exists, it won't be downloaded again, unless you pass overwrite=True to the .retrieve() call.

If you create the GohlkeGrabber with a cached parameter, it will save the downloaded web page to that location, or load that file instead of downloading it again, if it already exists.

gg = GohlkeGrabber(cached='work/cache.html')


This project is licensed under the MIT license. See LICENSE.txt.

Project details

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