Honor WEB3_PROVIDER_URI for geth auto dev connection (#2023)

newsfragments/2023.bugfix.rst

@@ -0,0 +1 @@
+Have the geth dev IPC auto connection check for the ``WEB3_PROVIDER_URI`` environment variable.

tests/core/providers/test_auto_provider.py

@@ -17,6 +17,9 @@
 from web3.providers.auto import (
     load_provider_from_environment,
 )
+from web3.providers.ipc import (
+    get_dev_ipc_path,
+)
 
 # Ugly hack to import infura now that API KEY is required
 os.environ['WEB3_INFURA_API_KEY'] = 'test'
@@ -51,6 +54,13 @@ def test_load_provider_from_env(monkeypatch, uri, expected_type, expected_attrs)
         assert getattr(provider, attr) == val
 
 
+def test_get_dev_ipc_path(monkeypatch, tmp_path):
+    uri = str(tmp_path)
+    monkeypatch.setenv('WEB3_PROVIDER_URI', uri)
+    path = get_dev_ipc_path()
+    assert path == uri
+
+
 @pytest.mark.parametrize('environ_name', ['WEB3_INFURA_API_KEY', 'WEB3_INFURA_PROJECT_ID'])
 def test_web3_auto_infura_empty_key(monkeypatch, caplog, environ_name):
     monkeypatch.setenv('WEB3_INFURA_SCHEME', 'https')

web3/providers/ipc.py

@@ -157,7 +157,11 @@ def get_default_ipc_path() -> str:  # type: ignore
 
 # type ignored b/c missing return statement is by design here
 def get_dev_ipc_path() -> str:  # type: ignore
-    if sys.platform == 'darwin':
+    if os.environ.get('WEB3_PROVIDER_URI', ''):
+        ipc_path = os.environ.get('WEB3_PROVIDER_URI')
+        if os.path.exists(ipc_path):
+            return ipc_path
+    elif sys.platform == 'darwin':
         tmpdir = os.environ.get('TMPDIR', '')
         ipc_path = os.path.expanduser(os.path.join(
             tmpdir,