Switch user-agent to mp-api version (#874)

* Switch user-agent to mp-api version

* Linting

Author: Jason Munro

mp_api/client/core/client.py

@@ -7,11 +7,13 @@
 import gzip
 import itertools
 import json
+import os
 import platform
 import sys
 import warnings
 from concurrent.futures import FIRST_COMPLETED, ThreadPoolExecutor, wait
 from copy import copy
+from importlib.metadata import PackageNotFoundError, version
 from json import JSONDecodeError
 from math import ceil
 from os import environ
@@ -38,10 +40,9 @@
     boto3 = None
 
 try:
-    from pymatgen.core import __version__ as pmg_version  # type: ignore
-except ImportError:  # pragma: no cover
-    # fallback to root-level import for older pymatgen versions
-    from pymatgen import __version__ as pmg_version  # type: ignore
+    __version__ = version("mp_api")
+except PackageNotFoundError:  # pragma: no cover
+    __version__ = os.getenv("SETUPTOOLS_SCM_PRETEND_VERSION")
 
 # TODO: think about how to migrate from PMG_MAPI_KEY
 DEFAULT_API_KEY = environ.get("MP_API_KEY", None)
@@ -160,12 +161,12 @@ def _create_session(api_key, include_user_agent, headers):
         session.headers.update(headers)
 
         if include_user_agent:
-            pymatgen_info = "pymatgen/" + pmg_version
+            mp_api_info = "mp-api/" + __version__
             python_info = f"Python/{sys.version.split()[0]}"
             platform_info = f"{platform.system()}/{platform.release()}"
             session.headers[
                 "user-agent"
-            ] = f"{pymatgen_info} ({python_info} {platform_info})"
+            ] = f"{mp_api_info} ({python_info} {platform_info})"
 
         settings = MAPIClientSettings()
         max_retry_num = settings.MAX_RETRIES

tests/molecules/test_summary.py

@@ -13,7 +13,7 @@
     "all_fields",
     "fields",
     "exclude_elements",
-    "has_props"
+    "has_props",
 ]
 
 alt_name_dict = {"formula": "formula_alphabetical", "molecule_ids": "molecule_id"}
@@ -32,6 +32,7 @@
     "has_props": [HasProps.orbitals],
 }  # type: dict
 
+
 @pytest.mark.skip(reason="Temporary until data adjustments")
 @pytest.mark.skipif(
     os.environ.get("MP_API_KEY", None) is None, reason="No API key found."