Use dataclasses for ChargingProfile usage

Makefile

@@ -18,7 +18,7 @@ help:
 	@echo "  release version=<sem. version>   bumps the project version to <sem. version>, using poetry;"
 	@echo "                                   Updates also docs/source/conf.py version;"
 	@echo "                                   If no version is provided, poetry outputs the current project version"
-	@echo "  test                             run all the tests and linting"
+	@echo "  tests                            run all the tests and linting"
 	@echo "  update                           updates the dependencies in poetry.lock"
 	@echo ""
 	@echo "Check the Makefile to know exactly what each target is doing."

ocpp/v16/call.py

@@ -1,7 +1,8 @@
 import warnings
 from dataclasses import dataclass, field
-from typing import Dict, List, Optional
+from typing import Dict, List, Optional, Union
 
+from ocpp.v16.charging_profile import ChargingProfile
 from ocpp.v16.enums import (
     AvailabilityType,
     CertificateUse,
@@ -133,7 +134,8 @@ class InstallCertificate:
 class RemoteStartTransaction:
     id_tag: str
     connector_id: Optional[int] = None
-    charging_profile: Optional[Dict] = None
+    # Accept Dict for backwards compatibility
+    charging_profile: Union[ChargingProfile, Dict, None] = None
 
 
 @dataclass
@@ -165,7 +167,8 @@ class SendLocalList:
 @dataclass
 class SetChargingProfile:
     connector_id: int
-    cs_charging_profiles: Dict
+    # Accept Dict for backwards compatibility
+    cs_charging_profiles: Union[ChargingProfile, Dict]
 
 
 @dataclass

ocpp/v16/charging_profile.py

@@ -0,0 +1,47 @@
+from dataclasses import dataclass
+from typing import List, Optional
+
+from ocpp.v16.enums import (
+    ChargingProfileKindType,
+    ChargingProfilePurposeType,
+    ChargingRateUnitType,
+    RecurrencyKind,
+)
+
+
+@dataclass
+class ChargingSchedulePeriod:
+    """Charging schedule period structure defines a time period
+    in a charging schedule, as used in: ChargingSchedule."""
+
+    start_period: int
+    limit: float
+    number_phases: Optional[int] = None
+
+
+@dataclass
+class ChargingSchedule:
+    """Charging schedule structure defines a list of charging periods,
+    as used in: GetCompositeSchedule.conf and ChargingProfile."""
+
+    charging_rate_unit: ChargingRateUnitType
+    charging_schedule_period: List[ChargingSchedulePeriod]
+    duration: Optional[int] = None
+    start_schedule: Optional[str] = None
+    min_charging_rate: Optional[float] = None
+
+
+@dataclass
+class ChargingProfile:
+    """A ChargingProfile consists of a ChargingSchedule, describing the
+    amount of power or current that can be delivered per time interval."""
+
+    charging_profile_id: int
+    stack_level: int
+    charging_profile_purpose: ChargingProfilePurposeType
+    charging_profile_kind: ChargingProfileKindType
+    charging_schedule: ChargingSchedule
+    transaction_id: Optional[int] = None
+    recurrency_kind: Optional[RecurrencyKind] = None
+    valid_from: Optional[str] = None
+    valid_to: Optional[str] = None