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from typing import List
from xsdata.codegen.mixins import ContainerHandlerInterface
from xsdata.codegen.models import Class
from xsdata.logger import logger
from xsdata.models.config import ClassFilterStrategy
class FilterClasses(ContainerHandlerInterface):
"""Filter classes for code generation based on the configuration output
filter strategy."""
__slots__ = ()
def run(self):
classes = []
filter_strategy = self.container.config.output.filter_strategy
if filter_strategy == ClassFilterStrategy.ALL_GLOBALS:
classes = self.filter_all_globals()
elif filter_strategy == ClassFilterStrategy.REFERRED_GLOBALS:
classes = self.filter_referred_globals()
if classes:
self.container.set(classes)
elif filter_strategy != ClassFilterStrategy.ALL:
logger.warning(
"The filter strategy '%s' returned no classes,"
" will generate all types.",
filter_strategy.value,
)
def filter_all_globals(self) -> List[Class]:
"""Filter all globals and any referenced types."""
occurs = set()
for obj in self.container:
if obj.is_global_type:
occurs.add(obj.ref)
occurs.update(obj.references)
return [obj for obj in self.container if obj.ref in occurs]
def filter_referred_globals(self) -> List[Class]:
"""Filter globals with any references."""
occurs = set()
for obj in self.container:
if obj.is_global_type:
references = list(obj.references)
occurs.update(references)
if references:
occurs.add(obj.ref)
return [obj for obj in self.container if obj.ref in occurs]
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