chore: Code cleanup

.pre-commit-config.yaml

@@ -13,7 +13,7 @@ repos:
       - id: typos
         exclude: ^tests/|.xsd|xsdata/models/datatype.py$
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.4.3
+    rev: v0.4.4
     hooks:
       - id: ruff
         args: [ --fix, --show-fixes]

README.md

@@ -5,7 +5,6 @@
 [![image](https://github.com/tefra/xsdata/workflows/tests/badge.svg)](https://github.com/tefra/xsdata/actions)
 [![image](https://readthedocs.org/projects/xsdata/badge)](https://xsdata.readthedocs.io/)
 [![image](https://codecov.io/gh/tefra/xsdata/branch/main/graph/badge.svg)](https://codecov.io/gh/tefra/xsdata)
-[![image](https://img.shields.io/github/languages/top/tefra/xsdata.svg)](https://xsdata.readthedocs.io/)
 [![image](https://www.codefactor.io/repository/github/tefra/xsdata/badge)](https://www.codefactor.io/repository/github/tefra/xsdata)
 [![image](https://img.shields.io/pypi/pyversions/xsdata.svg)](https://pypi.org/pypi/xsdata/)
 [![image](https://img.shields.io/pypi/v/xsdata.svg)](https://pypi.org/pypi/xsdata/)

tests/codegen/handlers/test_create_compound_fields.py

@@ -118,7 +118,7 @@ def test_group_fields(self):
         )
         expected_res = Restrictions(min_occurs=0, max_occurs=20)
 
-        self.processor.group_fields(target, list(target.attrs))
+        self.processor.group_fields(target, target.attrs.copy())
         self.assertEqual(1, len(target.attrs))
         self.assertEqual(expected, target.attrs[0])
         self.assertEqual(expected_res, target.attrs[0].restrictions)
@@ -134,7 +134,7 @@ def test_group_fields_with_effective_choices_sums_occurs(self):
 
         expected_res = Restrictions(min_occurs=4, max_occurs=6)
 
-        self.processor.group_fields(target, list(target.attrs))
+        self.processor.group_fields(target, target.attrs.copy())
         self.assertEqual(1, len(target.attrs))
         self.assertEqual(expected_res, target.attrs[0].restrictions)
 

tests/codegen/test_utils.py

@@ -110,7 +110,7 @@ def test_copy_group_attributes(self, mock_clone_attribute, mock_copy_inner_class
         source = ClassFactory.elements(2)
         source.inner.append(ClassFactory.create())
         target = ClassFactory.elements(3)
-        attrs = list(target.attrs)
+        attrs = target.attrs.copy()
         attrs[1].name = "bar"
         attr = target.attrs[1]
 

xsdata/cli.py

@@ -143,6 +143,9 @@ def generate(**kwargs: Any):
     handler.emit_warnings()
 
 
+_SUPPORTED_EXTENSIONS = ("wsdl", "xsd", "dtd", "xml", "json")
+
+
 def resolve_source(source: str, recursive: bool) -> Iterator[str]:
     """Yields all supported resource URIs."""
     if source.find("://") > -1 and not source.startswith("file://"):
@@ -151,9 +154,9 @@ def resolve_source(source: str, recursive: bool) -> Iterator[str]:
         path = Path(source).resolve()
         match = "**/*" if recursive else "*"
         if path.is_dir():
-            for ext in ["wsdl", "xsd", "dtd", "xml", "json"]:
+            for ext in _SUPPORTED_EXTENSIONS:
                 yield from (x.as_uri() for x in path.glob(f"{match}.{ext}"))
-        else:  # is file
+        else:  # is a file
             yield path.as_uri()
 
 

xsdata/codegen/handlers/add_attribute_substitutions.py

@@ -38,7 +38,7 @@ def process(self, target: Class):
         if self.substitutions is None:
             self.create_substitutions()
 
-        for attr in list(target.attrs):
+        for attr in target.attrs.copy():
             if not (attr.is_enumeration or attr.is_wildcard):
                 self.process_attribute(target, attr)
 

xsdata/codegen/handlers/detect_circular_references.py

@@ -63,7 +63,7 @@ def is_circular(self, start: int, stop: int) -> bool:
         """
         path = set()
         stack = [start]
-        while len(stack) != 0:
+        while stack:
             if stop in path:
                 return True
 

xsdata/codegen/handlers/flatten_attribute_groups.py

@@ -19,7 +19,7 @@ def process(self, target: Class):
             target: The target class instance to inspect and process
         """
         repeat = False
-        for attr in list(target.attrs):
+        for attr in target.attrs.copy():
             if attr.is_group:
                 repeat = True
                 self.process_attribute(target, attr)

xsdata/codegen/handlers/flatten_class_extensions.py

@@ -19,7 +19,7 @@ def process(self, target: Class):
         Args:
             target: The target class instance
         """
-        for extension in list(target.extensions):
+        for extension in target.extensions.copy():
             self.process_extension(target, extension)
 
     def process_extension(self, target: Class, extension: Extension):

xsdata/codegen/handlers/process_attributes_types.py

@@ -32,7 +32,7 @@ def process(self, target: Class):
         Args:
             target: The target class instance
         """
-        for attr in list(target.attrs):
+        for attr in target.attrs.copy():
             self.process_types(target, attr)
             self.cascade_properties(target, attr)
 
@@ -46,7 +46,7 @@ def process_types(self, target: Class, attr: Attr):
         if self.container.config.output.ignore_patterns:
             attr.restrictions.pattern = None
 
-        for attr_type in list(attr.types):
+        for attr_type in attr.types.copy():
             self.process_type(target, attr, attr_type)
 
         attr.types = ClassUtils.filter_types(attr.types)

xsdata/codegen/handlers/process_mixed_content_class.py

@@ -23,7 +23,7 @@ def process(self, target: Class):
 
         attrs = []
         choices = []
-        for attr in list(target.attrs):
+        for attr in target.attrs.copy():
             if attr.is_attribute:
                 attrs.append(attr)
             elif not attr.is_any_type:

xsdata/codegen/handlers/unnest_inner_classes.py

@@ -22,7 +22,7 @@ def process(self, target: Class):
         Args:
             target: The target class instance to inspect
         """
-        for inner in list(target.inner):
+        for inner in target.inner.copy():
             if inner.is_enumeration or self.container.config.output.unnest_classes:
                 self.promote(target, inner)
 

xsdata/codegen/handlers/update_attributes_effective_choice.py

@@ -143,9 +143,4 @@ def group_repeating_attrs(cls, target: Class) -> List[List[int]]:
             if not attr.is_attribute:
                 counters[attr.key].append(index)
 
-        groups = []
-        for x in counters.values():
-            if len(x) > 1:
-                groups.append(list(range(x[0], x[-1] + 1)))
-
-        return groups
+        return [list(range(x[0], x[-1] + 1)) for x in counters.values() if len(x) > 1]

xsdata/codegen/handlers/vacuum_inner_classes.py

@@ -31,7 +31,7 @@ def process(self, target: Class):
             target: The target class instance
         """
         target.inner = collections.unique_sequence(target.inner, key="qname")
-        for inner in list(target.inner):
+        for inner in target.inner.copy():
             if not inner.attrs and len(inner.extensions) < 2:
                 self.remove_inner(target, inner)
             elif inner.qname == target.qname:

xsdata/codegen/handlers/validate_attributes_overrides.py

@@ -74,7 +74,7 @@ def validate_attrs(cls, target: Class, base_attrs_map: Dict[str, List[Attr]]):
             target: The target class instance
             base_attrs_map: A mapping of qualified names to lists of parent attrs
         """
-        for attr in list(target.attrs):
+        for attr in target.attrs.copy():
             base_attrs = base_attrs_map.get(attr.slug)
 
             if base_attrs:

xsdata/codegen/mappers/schema.py

@@ -364,7 +364,7 @@ def build_attr_types(cls, target: Class, obj: ElementBase) -> List[AttrType]:
             target.inner.append(inner)
             types.append(AttrType(qname=inner.qname, forward=True))
 
-        if len(types) == 0:
+        if not types:
             types.append(cls.build_attr_type(target, name=obj.default_type))
 
         return collections.unique_sequence(types)

xsdata/codegen/mixins.py

@@ -1,5 +1,4 @@
 import abc
-from abc import ABCMeta
 from typing import Callable, Dict, Iterator, List, Optional
 
 from xsdata.codegen.models import Attr, Class
@@ -129,7 +128,7 @@ def process(self, target: Class):
         """
 
 
-class RelativeHandlerInterface(HandlerInterface, metaclass=ABCMeta):
+class RelativeHandlerInterface(HandlerInterface, abc.ABC):
     """An interface for codegen handlers with class container access.
 
     Args:

xsdata/codegen/parsers/dtd.py

@@ -120,7 +120,7 @@ def build_ns_map(cls, prefix: str, attributes: List[DtdAttribute]) -> Dict:
         """
         ns_map = {ns.prefix: ns.uri for ns in Namespace.common()}
 
-        for attribute in list(attributes):
+        for attribute in attributes.copy():
             if not attribute.default_value:
                 continue
 

xsdata/codegen/transformer.py

@@ -313,7 +313,7 @@ def convert_definitions(self, definitions: Definitions):
     def generate_classes(self, schema: Schema) -> List[Class]:
         """Convert the given schema instance to a list of classes."""
         uri = schema.location
-        logger.info("Compiling schema %s", uri if uri else "...")
+        logger.info("Compiling schema %s", uri or "...")
         classes = SchemaMapper.map(schema)
 
         class_num, inner_num = self.count_classes(classes)

xsdata/codegen/utils.py

@@ -62,7 +62,7 @@ def clean_inner_classes(cls, target: Class):
         Args:
             target: The target class instance to inspect.
         """
-        for inner in list(target.inner):
+        for inner in target.inner.copy():
             if cls.is_orphan_inner(target, inner):
                 target.inner.remove(inner)
 

xsdata/codegen/validator.py

@@ -53,7 +53,7 @@ def is_invalid(ext: Extension) -> bool:
             """Check if given type declaration is not native and is missing."""
             return not ext.type.native and ext.type.qname not in self.container.data
 
-        for target in list(classes):
+        for target in classes.copy():
             if any(is_invalid(extension) for extension in target.extensions):
                 classes.remove(target)
 
@@ -77,7 +77,7 @@ def handle_duplicate_types(cls, classes: List[Class]):
             if len(items) == 1:
                 continue
 
-            index = cls.select_winner(list(items))
+            index = cls.select_winner(items.copy())
 
             if index == -1:
                 logger.warning(

xsdata/formats/converter.py

@@ -3,6 +3,7 @@
 import binascii
 import math
 import re
+from contextlib import suppress
 from datetime import date, datetime, time
 from decimal import Decimal, InvalidOperation
 from enum import Enum, EnumMeta
@@ -99,11 +100,9 @@ def deserialize(self, value: Any, types: Sequence[Type], **kwargs: Any) -> Any:
             The converted value
         """
         for data_type in types:
-            try:
+            with suppress(ConverterError):
                 instance = self.type_converter(data_type)
                 return instance.deserialize(value, data_type=data_type, **kwargs)
-            except ConverterError:
-                pass
 
         type_names = " | ".join(tp.__name__ for tp in types)
         raise ConverterError(f"`{value}` is not a valid `{type_names}`")
@@ -205,11 +204,9 @@ def type_converter(self, data_type: Type) -> Converter:
         Returns:
             A converter instance
         """
-        try:
+        with suppress(KeyError):
             # Quick in and out, without checking the whole mro.
             return self.registry[data_type]
-        except KeyError:
-            pass
 
         # We tested the first, ignore the object
         for mro in data_type.__mro__[1:-1]:
@@ -677,7 +674,7 @@ def match(
             Whether the value or values matches the enumeration member value.
         """
         if isinstance(value, str) and isinstance(real, str):
-            return value == real or " ".join(values) == real
+            return real in (value, " ".join(values))
 
         if isinstance(real, (tuple, list)) and not hasattr(real, "_fields"):
             if len(real) == length and cls._match_list(values, real, **kwargs):
@@ -708,7 +705,7 @@ def _match_atomic(cls, raw: Any, real: Any, **kwargs: Any) -> bool:
         return cmp == real
 
 
-class DateTimeBase(Converter, metaclass=abc.ABCMeta):
+class DateTimeBase(Converter, abc.ABC):
     """An abstract datetime converter."""
 
     @classmethod

xsdata/formats/dataclass/context.py

@@ -1,5 +1,6 @@
 import sys
 from collections import defaultdict
+from contextlib import suppress
 from typing import Any, Callable, Dict, Iterator, List, Optional, Set, Type
 
 from xsdata.exceptions import XmlContextError
@@ -192,7 +193,7 @@ def get_field_diff(clazz: Type) -> int:
         ]
 
         choices.sort(key=lambda x: (x[1], x[0].__name__))
-        return choices[0][0] if len(choices) > 0 else None
+        return choices[0][0] if choices else None
 
     def find_subclass(self, clazz: Type, qname: str) -> Optional[Type]:
         """Find a subclass for the given clazz and xsi:type qname.
@@ -301,9 +302,7 @@ def is_derived(cls, obj: Any, clazz: Type) -> bool:
     @classmethod
     def get_subclasses(cls, clazz: Type) -> Iterator[Type]:
         """Return an iterator of the given class subclasses."""
-        try:
+        with suppress(TypeError):
             for subclass in clazz.__subclasses__():
                 yield from cls.get_subclasses(subclass)
                 yield subclass
-        except TypeError:
-            pass

xsdata/formats/dataclass/filters.py

@@ -203,9 +203,7 @@ def class_name(self, name: str) -> str:
 
     def class_bases(self, obj: Class, class_name: str) -> List[str]:
         """Return a list of base class names."""
-        bases = []
-        for obj_ext in obj.extensions:
-            bases.append(self.type_name(obj_ext.type))
+        bases = [self.type_name(x.type) for x in obj.extensions]
 
         derived = len(obj.extensions) > 0
         for ext in self.extensions[ExtensionType.CLASS]:
@@ -238,7 +236,7 @@ def class_annotations(self, obj: Class, class_name: str) -> List[str]:
     def apply_substitutions(self, name: str, obj_type: ObjectType) -> str:
         """Apply name substitutions by obj type."""
         for search, replace in self.substitutions[obj_type].items():
-            name = re.sub(rf"{search}", rf"{replace}", name)
+            name = re.sub(search, replace, name)
 
         return name
 
@@ -573,7 +571,7 @@ def format_string(self, data: str, indent: int, key: str = "", pad: int = 0) ->
         if key == "pattern":
             # escape double quotes because double quotes surround the regex string
             # in the rendered output
-            value = re.sub(self.UNESCAPED_DBL_QUOTE_REGEX, r'\1\\"', data)
+            value = self.UNESCAPED_DBL_QUOTE_REGEX.sub(r'\1\\"', data)
             return f'r"{value}"'
 
         if data == "":

xsdata/formats/dataclass/models/elements.py

@@ -380,8 +380,7 @@ def _match_namespace(self, qname: str) -> bool:
         for check in self.namespaces:
             if (
                 (not check and uri is None)
-                or check == uri
-                or check == NamespaceType.ANY_NS
+                or check in (uri, NamespaceType.ANY_NS)
                 or (check and check[0] == "!" and check[1:] != uri)
             ):
                 return True

xsdata/formats/dataclass/parsers/nodes/element.py

@@ -1,4 +1,5 @@
 import math
+from itertools import starmap
 from typing import Any, Dict, List, Optional, Set, Type
 
 from xsdata.exceptions import ParserError
@@ -329,9 +330,7 @@ def bind_mixed_objects(self, params: Dict, var: XmlVar, objects: List):
             objects: The list of intermediate parsed objects
         """
         pos = self.position
-        params[var.name] = [
-            self.prepare_generic_value(qname, value) for qname, value in objects[pos:]
-        ]
+        params[var.name] = list(starmap(self.prepare_generic_value, objects[pos:]))
         del objects[pos:]
 
     def prepare_generic_value(self, qname: Optional[str], value: Any) -> Any:
@@ -410,7 +409,7 @@ def bind_wild_text(
         """
         text = ParserUtils.normalize_content(text)
         tail = ParserUtils.normalize_content(tail)
-        if text is None and tail is None:
+        if text is tail is None:
             return False
 
         if var.list_element:

xsdata/formats/dataclass/parsers/utils.py

@@ -115,7 +115,7 @@ def parse_var(
                 format=format or var.format,
             )
         except ConverterError as ex:
-            message = f"  {str(ex)}"
+            message = f"  {ex}"
             warnings.warn(
                 f"Failed to convert value for `{meta.clazz.__qualname__}.{var.name}`\n{message}",
                 ConverterWarning,