refactor: hardcopy abstract attribute to drop better_abc requirement

meteora/clients/base.py

@@ -15,7 +15,6 @@
 import pyproj
 import requests
 import requests_cache
-from better_abc import abstract_attribute
 from pyogrio.errors import DataSourceError
 from shapely import geometry
 from shapely.geometry.base import BaseGeometry
@@ -86,17 +85,17 @@ def __init__(self, *args, **kwargs):
             session = requests.Session()
         self._session = session
 
-    @abstract_attribute
+    @utils.abstract_attribute
     def X_COL(self):  # pylint: disable=invalid-name
         """Name of the column with longitude coordinates."""
         pass
 
-    @abstract_attribute
+    @utils.abstract_attribute
     def Y_COL(self):  # pylint: disable=invalid-name
         """Name of the column with latitude coordinates."""
         pass
 
-    @abstract_attribute
+    @utils.abstract_attribute
     def CRS(self) -> pyproj.CRS:  # pylint: disable=invalid-name
         """CRS of the data source."""
         pass
@@ -325,7 +324,7 @@ def _get_content_from_url(
 
         return response_content
 
-    @abstract_attribute
+    @utils.abstract_attribute
     def _ts_endpoint(self):
         pass
 

meteora/mixins/auth.py

@@ -2,7 +2,7 @@
 
 from abc import ABC, abstractmethod
 
-from better_abc import abstract_attribute
+from meteora.utils import abstract_attribute
 
 
 class APIKeyMixin(ABC):

meteora/mixins/stations.py

@@ -4,7 +4,8 @@
 
 import geopandas as gpd
 import pandas as pd
-from better_abc import abstract_attribute
+
+from meteora.utils import abstract_attribute
 
 
 class StationsEndpointMixin(ABC):

meteora/mixins/variables.py

@@ -1,7 +1,8 @@
 """Variables mixins."""
 
 import pandas as pd
-from better_abc import abstract_attribute
+
+from meteora.utils import abstract_attribute
 
 # https://public.wmo.int/en/programmes/global-climate-observing-system/essential-climate-variables
 ECVS = [

meteora/utils.py

@@ -17,6 +17,23 @@
 from meteora import settings
 
 
+# `DummyAttribute` and `abstract_attribute` below are hardcoded from
+# github.com/rykener/better-abc to avoid relying on an unmaintained library that is not
+# in conda-forge
+class DummyAttribute:
+    """Dummy attribute."""
+
+    pass
+
+
+def abstract_attribute(obj=None):
+    """Abstract attribute."""
+    if obj is None:
+        obj = DummyAttribute()
+    obj.__is_abstract_attribute__ = True
+    return obj
+
+
 def dms_to_decimal(ser: pd.Series) -> pd.Series:
     """Convert a series from degrees, minutes, seconds (DMS) to decimal degrees."""
     degrees = ser.str[0:2].astype(int)

pyproject.toml

@@ -18,7 +18,6 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
 ]
 dependencies = [
-    "better-abc",
     "geopandas>=1.0.0",
     "matplotlib",
     "requests",