refactor if/elif/else construction

Author: ivanov-dv

drf_excel/fields.py

@@ -56,7 +56,7 @@ def init_value(self, value):
     def custom_mapping(self):
         if type(self.mapping) is str:
             return self.value.get(self.mapping)
-        elif callable(self.mapping):
+        if callable(self.mapping):
             return self.mapping(self.value)
         return self.value
 
@@ -89,9 +89,9 @@ def init_value(self, value):
         with contextlib.suppress(Exception):
             if isinstance(self.drf_field, IntegerField) and type(value) is not int:
                 return int(value)
-            elif isinstance(self.drf_field, FloatField) and type(value) is not float:
+            if isinstance(self.drf_field, FloatField) and type(value) is not float:
                 return float(value)
-            elif (
+            if (
                 isinstance(self.drf_field, DecimalField) and type(value) is not Decimal
             ):
                 return Decimal(value)
@@ -122,7 +122,7 @@ def _parse_date(self, value, setting_format, iso_parse_func):
         parsed_datetime = datetime.datetime.strptime(value, parse_format)
         if isinstance(self.drf_field, TimeField):
             return parsed_datetime.time()
-        elif isinstance(self.drf_field, DateField):
+        if isinstance(self.drf_field, DateField):
             return parsed_datetime.date()
         return parsed_datetime
 
@@ -136,12 +136,12 @@ def init_value(self, value):
                 return self._parse_date(
                     value, "DATETIME_FORMAT", parse_datetime
                 ).replace(tzinfo=None)
-            elif (
+            if (
                 isinstance(self.drf_field, DateField)
                 and type(value) is not datetime.date
             ):
                 return self._parse_date(value, "DATE_FORMAT", parse_date)
-            elif (
+            if (
                 isinstance(self.drf_field, TimeField)
                 and type(value) is not datetime.time
             ):
@@ -177,10 +177,9 @@ def prep_value(self) -> Any:
         ):
             # array of array; write as json
             return json.dumps(self.value, ensure_ascii=False)
-        else:
-            # Flatten the array into a comma separated string to fit
-            # in a single spreadsheet column
-            return self.list_sep.join(map(str, self.value))
+        # Flatten the array into a comma separated string to fit
+        # in a single spreadsheet column
+        return self.list_sep.join(map(str, self.value))
 
 
 class XLSXBooleanField(XLSXField):

drf_excel/renderers.py

@@ -270,8 +270,7 @@ def _get_label(parent_label, label_sep, obj):
                     if parent_label
                     else str(v.label)
                 )
-            else:
-                return False
+            return False
 
         _header_dict = {}
         _fields = serializer.get_fields()
@@ -378,11 +377,11 @@ def _drf_to_xlsx_field(self, key, value) -> XLSXField:
 
         if isinstance(field, BooleanField):
             return XLSXBooleanField(boolean_display=self.boolean_display, **kwargs)
-        elif isinstance(field, (IntegerField, FloatField, DecimalField)):
+        if isinstance(field, (IntegerField, FloatField, DecimalField)):
             return XLSXNumberField(**kwargs)
-        elif isinstance(field, (DateTimeField, DateField, TimeField)):
+        if isinstance(field, (DateTimeField, DateField, TimeField)):
             return XLSXDateField(**kwargs)
-        elif (
+        if (
             isinstance(field, ListField)
             or isinstance(value, Iterable)
             and not isinstance(value, str)