Use in-memory HTTP requests cache

docs/changelog.rst

@@ -1,6 +1,11 @@
 Changelog
 =========
 
+0.0.14
+~~~~~~
+
+- Use in-memory HTTP requests cache.
+
 0.0.13 (2019-08-29)
 ~~~~~~~~~~~~~~~~~~~
 

ocdsextensionregistry/extension_registry.py

@@ -3,11 +3,14 @@
 from urllib.parse import urlparse
 
 import requests
+import requests_cache
 
 from .extension import Extension
 from .extension_version import ExtensionVersion
 from .exceptions import DoesNotExist, MissingExtensionMetadata
 
+requests_cache.install_cache(backend='memory')
+
 
 class ExtensionRegistry:
     def __init__(self, extension_versions_data, extensions_data=None):

ocdsextensionregistry/extension_version.py

@@ -8,13 +8,16 @@
 from zipfile import ZipFile
 
 import requests
+import requests_cache
 
 from .codelist import Codelist
 from .exceptions import NotAvailableInBulk
 from .util import json_loads
 
 SCHEMAS = ('record-package-schema.json', 'release-package-schema.json', 'release-schema.json')
 
+requests_cache.install_cache(backend='memory')
+
 
 class ExtensionVersion:
     def __init__(self, data):

ocdsextensionregistry/profile_builder.py

@@ -10,13 +10,15 @@
 
 import json_merge_patch
 import requests
+import requests_cache
 
 from .codelist import Codelist
 from .extension_registry import ExtensionRegistry
 from .extension_version import ExtensionVersion
 from .util import json_loads
 
 logger = logging.getLogger('ocdsextensionregistry')
+requests_cache.install_cache(backend='memory')
 
 
 class ProfileBuilder:

setup.py

@@ -16,6 +16,7 @@
     install_requires=[
         'json-merge-patch',
         'requests',
+        'requests-cache',
     ],
     extras_require={
         'test': [