Source code for stride.utils.fetch

import os
import subprocess

__all__ = ['fetch']

known_assets = {
    'anastasio2D': '',
    'anastasio3D': '',

[docs]def fetch(origin, dest, token=None, assets=None): """ Fetch asset from GitHub repository. The asset is only fetched once. Parameters ---------- origin : str Name of the asset to fetch. dest : str Path to save file. token : str, optional Access token to fetch the access if it lives in a private repo. assets : dict, optional Returns ------- """ if os.path.exists(dest): return folder = os.path.dirname(dest) if not os.path.exists(folder): os.makedirs(folder) assets = assets or known_assets if origin in assets: origin = assets[origin] if token is not None: cmd = 'curl -LJ# -H "Authorization: token %s" -H ' \ '"Accept: application/octet-stream" "%s" --output "%s"' % (token, origin, dest) else: cmd = 'curl -LJ# -H "Accept: application/octet-stream" "%s" --output "%s"' % (origin, dest) process =, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE) if process.returncode < 0: raise RuntimeError('Fetching with cmd "%s" failed' % cmd)