trx.fetcher
===========

.. py:module:: trx.fetcher


Functions
---------

.. autoapisummary::

   trx.fetcher.get_home
   trx.fetcher.get_testing_files_dict
   trx.fetcher.md5sum
   trx.fetcher.fetch_data


Module Contents
---------------

.. py:function:: get_home()

   
   Set a user-writeable file-system location to put files 
















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.. py:function:: get_testing_files_dict()

   
   Get dictionary linking zip file to their Figshare URL & MD5SUM 
















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.. py:function:: md5sum(filename)

   
   Compute one md5 checksum for a file 
















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.. py:function:: fetch_data(files_dict, keys=None)

   
   Downloads files to folder and checks their md5 checksums


   :Parameters:

       **files_dict** : dictionary
           For each file in `files_dict` the value should be (url, md5).
           The file will be downloaded from url, if the file does not already
           exist or if the file exists but the md5 checksum does not match.
           Zip files are automatically unzipped and its content* are md5 checked.





   :Raises:

       ValueError
           Raises if the md5 checksum of the file does not match the expected
           value. The downloaded file is not deleted when this error is raised.









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