Fix deprecation of pkg_resources, use importlib.metadata instead

Author: sorki

blockfrost/config.py

@@ -1,6 +1,8 @@
 from enum import Enum
-import pkg_resources
-
+try:
+    from importlib.metadata import version
+except ImportError: # for Python<3.8
+    from importlib_metadata import version
 
 class ApiUrls(Enum):
     mainnet = 'https://cardano-mainnet.blockfrost.io/api'
@@ -18,4 +20,5 @@ class ApiUrls(Enum):
 ADDRESS_GAP_LIMIT = 20
 
 package_name = 'blockfrost-python'
-USER_AGENT = f'{package_name} {pkg_resources.get_distribution(package_name).version}'
+version = version(package_name)
+USER_AGENT = f'{package_name} {version}'

setup.py

@@ -21,6 +21,9 @@
     keywords='blockfrost blockchain cardano ipfs',
     packages=find_packages(exclude=['tests', 'tests.*']),
     python_requires='>=3.7, <4',
+    requires= [
+        "importlib_metadata",
+    ],
     install_requires=[
         "requests",
     ],