intel · gaurav879 · Mar 18, 2022 · Mar 21, 2022 · johnandersen777 · Apr 1, 2022
diff --git a/dffml/operation/datetime.py b/dffml/operation/datetime.py
@@ -0,0 +1,39 @@
+import datetime
+from ..df.base import op
+from ..df.types import Definition
+
+current_datetime = Definition(name="current_datetime", primitive="generic")
-current_datetime = Definition(name="current_datetime", primitive="generic")
+date_time_str = Definition(name="date_time_str", primitive="string")
+date_time_str_format = Definition(name="date_time_str_format", primitive="string", default="%Y-%m-%d %H:%M")
-current_datetime = Definition(name="current_datetime", primitive="generic")
+date_time_str = Definition(name="date_time_str", primitive="string")
+date_time_str_format = Definition(name="date_time_str_format", primitive="string", default="%Y-%m-%d %H:%M")
+date_time = Definition(name="date_time", primitive="generic")
+
+
+@op(name="dffml.datetime", outputs=current_datetime)
-@op(name="dffml.datetime", outputs=current_datetime)
+@op(
+    name="dffml.datetime.now",
+    outputs={
+        "date_time_obj": date_time,
+    },
+)
-@op(name="dffml.datetime", outputs=current_datetime)
+@op(
+    name="dffml.datetime.now",
+    outputs={
+        "date_time_obj": date_time,
+    },
+)
+def date_time():
-def date_time():
+def date_time_now() -> datetime.datetime:
-def date_time():
+def date_time_now() -> datetime.datetime:
+    """
+    A function to generate current date and time.
+
+    Parameters
+    ----------
+    output:
+        Current date and time.
+    """
+    current_datetime = datetime.datetime.now()
+    return current_datetime
-    return current_datetime
+    return {
+        "date_time_obj": current_datetime
+    }
-    return current_datetime
+    return {
+        "date_time_obj": current_datetime
+    }
+
+
+@op(name="dffml.datetimeformat", outputs=date_time)
-@op(name="dffml.datetimeformat", outputs=date_time)
+@op(
+    name="dffml.datetimeformat",
+    inputs={
+        "datetime_obj": date_time,
+        "format": date_time,
+    },
+    outputs={
+        "str": date_time_str,
+    },
+)
-@op(name="dffml.datetimeformat", outputs=date_time)
+@op(
+    name="dffml.datetimeformat",
+    inputs={
+        "datetime_obj": date_time,
+        "format": date_time,
+    },
+    outputs={
+        "str": date_time_str,
+    },
+)
+def date_time_format():
-def date_time_format():
+def date_time_format(datetime_obj: datetime.datetime, format: str) -> datetime.datetime:
-def date_time_format():
+def date_time_format(datetime_obj: datetime.datetime, format: str) -> datetime.datetime:
+    """
+    A function to modify date and time format.
+
+    Parameters
+    ----------
+    output:
+        Current date and time in yyyy-mm-dd hh:mm (24h)format.
+    """
+    currentDateTime = date_time()
+    current_date = str(currentDateTime).split(" ")[0]
+    current_time = str(currentDateTime).split(" ")[1].split(".")[0].split(":")
+    date_time_format = str(
+        current_date + " " + current_time[0] + ":" + current_time[1]
+    )
+    return date_time_format