[ISSUE #28782] support multiple cursor field datetime formats

airbyte-cdk/python/airbyte_cdk/sources/declarative/declarative_component_schema.yaml

@@ -624,6 +624,16 @@ definitions:
         examples:
           - "2020-01-1T00:00:00Z"
           - "{{ config['start_time'] }}"
+      cursor_datetime_formats:
+        title: Cursor Datetime Format
+        description: The possible formats for the cursor field
+        type: array
+        items:
+          type: string
+          examples:
+            - "%Y-%m-%dT%H:%M:%S.%f%z"
+            - "%Y-%m-%d"
+            - "%s"
       cursor_granularity:
         title: Cursor Granularity
         description:

airbyte-cdk/python/airbyte_cdk/sources/declarative/incremental/datetime_based_cursor.py

@@ -4,7 +4,7 @@
 
 import datetime
 from dataclasses import InitVar, dataclass, field
-from typing import Any, Iterable, Mapping, Optional, Union
+from typing import Any, Iterable, List, Mapping, Optional, Union
 
 from airbyte_cdk.models import AirbyteLogMessage, AirbyteMessage, Level, Type
 from airbyte_cdk.sources.declarative.datetime.datetime_parser import DatetimeParser
@@ -52,7 +52,7 @@ class DatetimeBasedCursor(Cursor):
     datetime_format: str
     config: Config
     parameters: InitVar[Mapping[str, Any]]
-    _cursor: str = field(repr=False, default=None)  # tracks current datetime
+    _cursor: Optional[str] = field(repr=False, default=None)  # tracks current datetime
     end_datetime: Optional[Union[MinMaxDatetime, str]] = None
     step: Optional[Union[InterpolatedString, str]] = None
     cursor_granularity: Optional[str] = None
@@ -62,8 +62,9 @@ class DatetimeBasedCursor(Cursor):
     partition_field_end: Optional[str] = None
     lookback_window: Optional[Union[InterpolatedString, str]] = None
     message_repository: Optional[MessageRepository] = None
+    cursor_datetime_formats: List[str] = field(default_factory=lambda: [])
 
-    def __post_init__(self, parameters: Mapping[str, Any]):
+    def __post_init__(self, parameters: Mapping[str, Any]) -> None:
         if (self.step and not self.cursor_granularity) or (not self.step and self.cursor_granularity):
             raise ValueError(
                 f"If step is defined, cursor_granularity should be as well and vice-versa. "
@@ -95,6 +96,9 @@ def __post_init__(self, parameters: Mapping[str, Any]):
         if self.end_datetime and not self.end_datetime.datetime_format:
             self.end_datetime.datetime_format = self.datetime_format
 
+        if not self.cursor_datetime_formats:
+            self.cursor_datetime_formats = [self.datetime_format]
+
     def get_stream_state(self) -> StreamState:
         return {self.cursor_field.eval(self.config): self._cursor} if self._cursor else {}
 
@@ -154,17 +158,22 @@ def _calculate_cursor_datetime_from_state(self, stream_state: Mapping[str, Any])
             return self.parse_date(stream_state[self.cursor_field.eval(self.config)])
         return datetime.datetime.min.replace(tzinfo=datetime.timezone.utc)
 
-    def _format_datetime(self, dt: datetime.datetime):
+    def _format_datetime(self, dt: datetime.datetime) -> str:
         return self._parser.format(dt, self.datetime_format)
 
+    def _format_slice_datetime(self, dt: datetime.datetime) -> str:
+        if not self.cursor_datetime_formats:
+            raise RuntimeError("DatetimeBasedCursor can't operate without cursor_datetime_formats")
+        return self._parser.format(dt, self.cursor_datetime_formats[0])
+
     def _partition_daterange(self, start: datetime.datetime, end: datetime.datetime, step: Union[datetime.timedelta, Duration]):
         start_field = self.partition_field_start.eval(self.config)
         end_field = self.partition_field_end.eval(self.config)
         dates = []
         while start <= end:
             next_start = self._evaluate_next_start_date_safely(start, step)
             end_date = self._get_date(next_start - self._cursor_granularity, end, min)
-            dates.append({start_field: self._format_datetime(start), end_field: self._format_datetime(end_date)})
+            dates.append({start_field: self._format_slice_datetime(start), end_field: self._format_slice_datetime(end_date)})
             start = next_start
         return dates
 
@@ -184,7 +193,12 @@ def _get_date(self, cursor_value, default_date: datetime.datetime, comparator) -
         return comparator(cursor_date, default_date)
 
     def parse_date(self, date: str) -> datetime.datetime:
-        return self._parser.parse(date, self.datetime_format)
+        for datetime_format in self.cursor_datetime_formats:
+            try:
+                return self._parser.parse(date, datetime_format)
+            except ValueError:
+                pass
+        raise ValueError(f"No format in {self.cursor_datetime_formats} matching {date}")
 
     @classmethod
     def _parse_timedelta(cls, time_str) -> Union[datetime.timedelta, Duration]:

airbyte-cdk/python/airbyte_cdk/sources/declarative/models/declarative_component_schema.py

@@ -820,6 +820,11 @@ class DatetimeBasedCursor(BaseModel):
         examples=["2020-01-1T00:00:00Z", "{{ config['start_time'] }}"],
         title="Start Datetime",
     )
+    cursor_datetime_formats: Optional[List[str]] = Field(
+        None,
+        description="The possible formats for the cursor field",
+        title="Cursor Datetime Format",
+    )
     cursor_granularity: Optional[str] = Field(
         None,
         description="Smallest increment the datetime_format has (ISO 8601 duration) that is used to ensure the start of a slice does not overlap with the end of the previous one, e.g. for %Y-%m-%d the granularity should be P1D, for %Y-%m-%dT%H:%M:%SZ the granularity should be PT1S. Given this field is provided, `step` needs to be provided as well.",

airbyte-cdk/python/airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py

@@ -507,6 +507,7 @@ def create_datetime_based_cursor(self, model: DatetimeBasedCursorModel, config:
 
         return DatetimeBasedCursor(
             cursor_field=model.cursor_field,
+            cursor_datetime_formats=model.cursor_datetime_formats if model.cursor_datetime_formats else [],
             cursor_granularity=model.cursor_granularity,
             datetime_format=model.datetime_format,
             end_datetime=end_datetime,

airbyte-cdk/python/unit_tests/sources/declarative/incremental/test_datetime_based_cursor.py

@@ -508,7 +508,7 @@ def test_request_option(test_name, inject_into, field_name, expected_req_params,
         ("test_parse_date_number", "20210101", "%Y%m%d", "P1D", datetime.datetime(2021, 1, 1, 0, 0, tzinfo=datetime.timezone.utc)),
     ],
 )
-def test_parse_date(test_name, input_date, date_format, date_format_granularity, expected_output_date):
+def test_parse_date_legacy_merge_datetime_format_in_cursor_datetime_format(test_name, input_date, date_format, date_format_granularity, expected_output_date):
     slicer = DatetimeBasedCursor(
         start_datetime=MinMaxDatetime("2021-01-01T00:00:00.000000+0000", parameters={}),
         end_datetime=MinMaxDatetime("2021-01-10T00:00:00.000000+0000", parameters={}),
@@ -524,6 +524,48 @@ def test_parse_date(test_name, input_date, date_format, date_format_granularity,
     assert expected_output_date == output_date
 
 
+@pytest.mark.parametrize(
+    "test_name, input_date, date_formats, expected_output_date",
+    [
+        (
+            "test_match_first_format",
+            "2021-01-01T00:00:00.000000+0000",
+            ["%Y-%m-%dT%H:%M:%S.%f%z", "%s"],
+            datetime.datetime(2021, 1, 1, 0, 0, tzinfo=datetime.timezone.utc),
+        ),
+        (
+            "test_match_second_format",
+            "1609459200",
+            ["%Y-%m-%dT%H:%M:%S.%f%z", "%s"],
+            datetime.datetime(2021, 1, 1, 0, 0, tzinfo=datetime.timezone.utc),
+        ),
+    ],
+)
+def test_parse_date(test_name, input_date, date_formats, expected_output_date):
+    slicer = DatetimeBasedCursor(
+        start_datetime=MinMaxDatetime("2021-01-01T00:00:00.000000+0000", parameters={}),
+        cursor_field=InterpolatedString(cursor_field, parameters={}),
+        datetime_format="%Y-%m-%d",
+        cursor_datetime_formats=date_formats,
+        config=config,
+        parameters={},
+    )
+    assert slicer.parse_date(input_date) == expected_output_date
+
+
+def test_given_unknown_format_when_parse_date_then_raise_error():
+    slicer = DatetimeBasedCursor(
+        start_datetime=MinMaxDatetime("2021-01-01T00:00:00.000000+0000", parameters={}),
+        cursor_field=InterpolatedString(cursor_field, parameters={}),
+        datetime_format="%Y-%m-%d",
+        cursor_datetime_formats=["%Y-%m-%d", "%s"],
+        config=config,
+        parameters={},
+    )
+    with pytest.raises(ValueError):
+        slicer.parse_date("2021-01-01T00:00:00.000000+0000")
+
+
 @pytest.mark.parametrize(
     "test_name, input_dt, datetimeformat, datetimeformat_granularity, expected_output",
     [
@@ -575,6 +617,20 @@ def test_cursor_granularity_but_no_step():
         )
 
 
+def test_given_multiple_cursor_datetime_format_then_slice_using_first_format():
+    cursor = DatetimeBasedCursor(
+        start_datetime=MinMaxDatetime("2021-01-01", parameters={}),
+        end_datetime=MinMaxDatetime("2023-01-10", parameters={}),
+        cursor_field=InterpolatedString(cursor_field, parameters={}),
+        datetime_format="%Y-%m-%d",
+        cursor_datetime_formats=["%Y-%m-%dT%H:%M:%S", "%Y-%m-%d"],
+        config=config,
+        parameters={},
+    )
+    stream_slices = cursor.stream_slices()
+    assert stream_slices == [{"start_time": "2021-01-01T00:00:00", "end_time": "2023-01-10T00:00:00"}]
+
+
 def test_no_cursor_granularity_and_no_step_then_only_return_one_slice():
     cursor = DatetimeBasedCursor(
         start_datetime=MinMaxDatetime("2021-01-01", parameters={}),