CLN: Timestamp unused attrs (#34216)

Author: jbrockmendel

pandas/_libs/tslibs/timestamps.pxd

@@ -15,7 +15,7 @@ cdef class _Timestamp(ABCTimestamp):
     cdef readonly:
         int64_t value, nanosecond
         object freq
-        list _date_attributes
+
     cpdef bint _get_start_end_field(self, str field)
     cpdef _get_date_name_field(self, object field, object locale)
     cdef int64_t _maybe_convert_value_to_local(self)

pandas/_libs/tslibs/timestamps.pyx

@@ -387,6 +387,10 @@ cdef class _Timestamp(ABCTimestamp):
                     dtype=object,
                 )
 
+        elif not isinstance(self, _Timestamp):
+            # cython semantics, args have been switched and this is __radd__
+            return other.__add__(self)
+
         return NotImplemented
 
     def __sub__(self, other):
@@ -1051,7 +1055,7 @@ timedelta}, default 'raise'
         return Period(self, freq=freq)
 
     @property
-    def dayofweek(self):
+    def dayofweek(self) -> int:
         """
         Return day of the week.
         """
@@ -1092,7 +1096,7 @@ timedelta}, default 'raise'
         return self._get_date_name_field('month_name', locale)
 
     @property
-    def dayofyear(self):
+    def dayofyear(self) -> int:
         """
         Return the day of the year.
         """
@@ -1115,7 +1119,7 @@ timedelta}, default 'raise'
         return ((self.month - 1) // 3) + 1
 
     @property
-    def days_in_month(self):
+    def days_in_month(self) -> int:
         """
         Return the number of days in the month.
         """
@@ -1428,16 +1432,7 @@ default 'raise'
 
         return base1 + base2
 
-    def _has_time_component(self) -> bool:
-        """
-        Returns if the Timestamp has a time component
-        in addition to the date part
-        """
-        return (self.time() != _zero_time
-                or self.tzinfo is not None
-                or self.nanosecond != 0)
-
-    def to_julian_date(self):
+    def to_julian_date(self) -> np.float64:
         """
         Convert TimeStamp to a Julian Date.
         0 Julian date is noon January 1, 4713 BC.
@@ -1474,11 +1469,6 @@ default 'raise'
             np.array([self.value], dtype='i8'), tz=self.tz)[0]
         return Timestamp(normalized_value).tz_localize(self.tz)
 
-    def __radd__(self, other):
-        # __radd__ on cython extension types like _Timestamp is not used, so
-        # define it here instead
-        return self + other
-
 
 # Add the min and max fields at the class level
 cdef int64_t _NS_UPPER_BOUND = np.iinfo(np.int64).max