add support for Burbank Water and Power (#110)

* add support for Burbank Water and Power

* Updated with pre-commit

* response is always an empty body, handle exceptions properly

* Rename bwp.py to burbankwaterandpower.py and remove commented code

README.md

@@ -13,6 +13,7 @@ Supported utilities (in alphabetical order):
   - Public Service Company of Oklahoma (PSO)
   - Southwestern Electric Power Company (SWEPCO)
 - Arizona Public Service (APS)
+- Burbank Water and Power (BWP)
 - City of Austin Utilities
 - Consolidated Edison (ConEd)
   - Orange & Rockland Utilities (ORU)

src/opower/utilities/burbankwaterandpower.py

@@ -0,0 +1,46 @@
+"""Burbank Water and Power (BWP)."""
+
+from typing import Optional
+
+import aiohttp
+
+from ..const import USER_AGENT
+from .base import UtilityBase
+
+
+class BurbankWaterAndPower(UtilityBase):
+    """Burbank Water and Power (BWP)."""
+
+    @staticmethod
+    def name() -> str:
+        """Distinct recognizable name of the utility."""
+        return "Burbank Water and Power (BWP)"
+
+    @staticmethod
+    def subdomain() -> str:
+        """Return the opower.com subdomain for this utility."""
+        return "bwp"
+
+    @staticmethod
+    def timezone() -> str:
+        """Return the timezone."""
+        return "America/Los_Angeles"
+
+    @staticmethod
+    async def async_login(
+        session: aiohttp.ClientSession,
+        username: str,
+        password: str,
+        optional_mfa_secret: Optional[str],
+    ) -> None:
+        """Login to the utility website."""
+        async with session.post(
+            "https://bwp.opower.com/ei/edge/apis/user-account-control-v1/cws/v1/bwp/account/signin",
+            json={
+                "username": username,
+                "password": password,
+            },
+            headers={"User-Agent": USER_AGENT},
+            raise_for_status=False,
+        ) as _:
+            pass