do not fail the sensor attribute when building an entity address

.pre-commit-config.yaml

@@ -4,13 +4,13 @@ repos:
     hooks:
     - id: flake8
       name: flake8 (code linting)
-      language_version: python3.8
+      language_version: python3.9
 -   repo: https://github.com/psf/black
     rev: 22.3.0  # New version tags can be found here: https://github.com/psf/black/tags
     hooks:
     - id: black
       name: black (code formatting)
-      language_version: python3.8
+      language_version: python3.9
 -   repo: local
     hooks:
     - id: mypy

documentation/changelog.rst

@@ -12,11 +12,13 @@ New features
 
 Bugfixes
 -----------
+* Do not fail asset page if entity addresses cannot be built [see `PR #457 <http://www.github.com/FlexMeasures/flexmeasures/pull/457>`_]
 
 Infrastructure / Support
 ----------------------
 * Allow access tokens to be passed as env vars as well [see `PR #443 <http://www.github.com/FlexMeasures/flexmeasures/pull/443>`_]
 
+
 v0.10.1 | June XX, 2022
 ===========================
 

flexmeasures/data/models/time_series.py

@@ -1,6 +1,7 @@
 from typing import Any, List, Dict, Optional, Union, Type, Tuple
 from datetime import datetime as datetime_type, timedelta
 import json
+from flask import current_app
 
 import pandas as pd
 from sqlalchemy.ext.declarative import declared_attr
@@ -24,7 +25,10 @@
     collect_time_series_data,
     aggregate_values,
 )
-from flexmeasures.utils.entity_address_utils import build_entity_address
+from flexmeasures.utils.entity_address_utils import (
+    EntityAddressException,
+    build_entity_address,
+)
 from flexmeasures.utils.unit_utils import is_energy_unit, is_power_unit
 from flexmeasures.data.models.annotations import (
     Annotation,
@@ -112,7 +116,13 @@ def __acl__(self):
 
     @property
     def entity_address(self) -> str:
-        return build_entity_address(dict(sensor_id=self.id), "sensor")
+        try:
+            return build_entity_address(dict(sensor_id=self.id), "sensor")
+        except EntityAddressException as eae:
+            current_app.logger.warn(
+                f"Problems generating entity address for sensor {self}: {eae}"
+            )
+            return "no entity address available"
 
     @property
     def location(self) -> Optional[Tuple[float, float]]:

flexmeasures/utils/entity_address_utils.py

@@ -325,7 +325,7 @@ def build_ea_scheme_and_naming_authority(
                 "FLEXMEASURES_HOSTS_AND_AUTH_START", {}
             )[config_var_domain_key]
         else:
-            raise Exception(
+            raise EntityAddressException(
                 f"Could not find out when authority for {config_var_domain_key} started. Is FLEXMEASURES_HOSTS_AND_AUTH_START configured for it?"
             )
     regex = r"^\d{4}-\d{2}$"