Sybren A. Stüvel
9267faac8e
This uses Reqests-Cache, which should be installed on the PYTHONPATH or provided as a wheel in blender_cache/requests_cache-*.whl. In the latter case, it'll be automatically added to sys.path.
67 lines
1.8 KiB
Python
67 lines
1.8 KiB
Python
"""Cache management."""
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import os
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import sys
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import logging
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from . import appdirs
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log = logging.getLogger(__name__)
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# Add our shipped Requests-Cache wheel to the Python path
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if not any('requests_cache' in path for path in sys.path):
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import glob
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# TODO: gracefully handle errors when the wheel cannot be found.
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my_dir = os.path.dirname(__file__)
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wheel = glob.glob(os.path.join(my_dir, 'requests_cache*.whl'))[0]
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sys.path.append(wheel)
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import requests_cache
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def cache_directory() -> str:
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"""Returns an OS-specifc cache location, and ensures it exists.
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Should be replaced with a call to bpy.utils.user_resource('CACHE', ...)
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once https://developer.blender.org/T47684 is finished.
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"""
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# TODO: just use bpy.utils.user_resource('CACHE', ...)
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cache_dir = os.path.join(appdirs.user_cache_dir(appname='Blender', appauthor=False), 'blender-cloud')
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os.makedirs(cache_dir, exist_ok=True)
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return cache_dir
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def requests_session() -> requests_cache.CachedSession:
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"""Creates a Requests-Cache session object."""
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cache_dir = cache_directory()
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cache_name = os.path.join(cache_dir, 'blender_cloud_cache')
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log.info('Storing cache in %s' % cache_name)
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req_sess = requests_cache.CachedSession(backend='sqlite',
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cache_name=cache_name)
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return req_sess
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def debug_show_responses():
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req_sess = requests_session()
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log.info('Cache type: %s', type(req_sess.cache))
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log.info('Cached URLs:')
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for key in req_sess.cache.keys_map:
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value = req_sess.cache.keys_map[key]
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log.info(' %s = %s' % (key, value))
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log.info('Cached responses:')
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for key in req_sess.cache.responses:
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response, timekey = req_sess.cache.get_response_and_time(key)
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log.info(' %s = %s' % (key, response.content))
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