add a first pass of xml.sax.expatreader

stdlib/@tests/stubtest_allowlists/common.txt

@@ -56,7 +56,6 @@ weakref.WeakValueDictionary.update
 
 turtledemo
 turtledemo\..+
-xml.sax.expatreader
 
 
 # ======================================================================

stdlib/@tests/stubtest_allowlists/darwin-py310.txt

@@ -40,6 +40,7 @@ xml.etree.cElementTree.XMLParser.flush
 xml.etree.cElementTree.XMLPullParser.flush
 xml.parsers.expat.XMLParserType.GetReparseDeferralEnabled
 xml.parsers.expat.XMLParserType.SetReparseDeferralEnabled
+xml.sax.expatreader.ExpatParser.flush
 
 
 # =============================================================

stdlib/@tests/stubtest_allowlists/darwin-py38.txt

@@ -37,6 +37,7 @@ xml.etree.cElementTree.XMLParser.flush
 xml.etree.cElementTree.XMLPullParser.flush
 xml.parsers.expat.XMLParserType.GetReparseDeferralEnabled
 xml.parsers.expat.XMLParserType.SetReparseDeferralEnabled
+xml.sax.expatreader.ExpatParser.flush
 
 
 # =============================================================

stdlib/@tests/stubtest_allowlists/darwin-py39.txt

@@ -49,6 +49,7 @@ xml.etree.cElementTree.XMLParser.flush
 xml.etree.cElementTree.XMLPullParser.flush
 xml.parsers.expat.XMLParserType.GetReparseDeferralEnabled
 xml.parsers.expat.XMLParserType.SetReparseDeferralEnabled
+xml.sax.expatreader.ExpatParser.flush
 
 
 # =============================================================

stdlib/@tests/stubtest_allowlists/linux-py38.txt

@@ -12,6 +12,7 @@ xml.etree.cElementTree.XMLParser.flush
 xml.etree.cElementTree.XMLPullParser.flush
 xml.parsers.expat.XMLParserType.GetReparseDeferralEnabled
 xml.parsers.expat.XMLParserType.SetReparseDeferralEnabled
+xml.sax.expatreader.ExpatParser.flush
 
 
 # ======

stdlib/@tests/stubtest_allowlists/win32-py310.txt

@@ -41,6 +41,7 @@ xml.etree.cElementTree.XMLParser.flush
 xml.etree.cElementTree.XMLPullParser.flush
 xml.parsers.expat.XMLParserType.GetReparseDeferralEnabled
 xml.parsers.expat.XMLParserType.SetReparseDeferralEnabled
+xml.sax.expatreader.ExpatParser.flush
 
 
 # =============================================================

stdlib/@tests/stubtest_allowlists/win32-py38.txt

@@ -37,6 +37,7 @@ xml.etree.cElementTree.XMLParser.flush
 xml.etree.cElementTree.XMLPullParser.flush
 xml.parsers.expat.XMLParserType.GetReparseDeferralEnabled
 xml.parsers.expat.XMLParserType.SetReparseDeferralEnabled
+xml.sax.expatreader.ExpatParser.flush
 
 
 # ============================================================

stdlib/@tests/stubtest_allowlists/win32-py39.txt

@@ -50,6 +50,7 @@ xml.etree.cElementTree.XMLParser.flush
 xml.etree.cElementTree.XMLPullParser.flush
 xml.parsers.expat.XMLParserType.GetReparseDeferralEnabled
 xml.parsers.expat.XMLParserType.SetReparseDeferralEnabled
+xml.sax.expatreader.ExpatParser.flush
 
 
 # =============================================================

stdlib/xml/sax/expatreader.pyi

@@ -0,0 +1,53 @@
+import sys
+from _typeshed import Unused
+from xml.sax import xmlreader
+
+version: str
+AttributesImpl = xmlreader.AttributesImpl
+AttributesNSImpl = xmlreader.AttributesNSImpl
+
+class _ClosedParser: ...
+
+class ExpatLocator(xmlreader.Locator):
+    def __init__(self, parser: ExpatParser) -> None: ...
+    def getColumnNumber(self) -> int: ...
+    def getLineNumber(self) -> int: ...
+    def getPublicId(self): ...
+    def getSystemId(self): ...
+
+class ExpatParser(xmlreader.IncrementalParser, xmlreader.Locator):
+    def __init__(self, namespaceHandling: int = 0, bufsize: int = 65516) -> None: ...
+    def parse(self, source) -> None: ...
+    def prepareParser(self, source) -> None: ...
+    def setContentHandler(self, handler) -> None: ...
+    def getFeature(self, name: str): ...
+    def setFeature(self, name: str, state) -> None: ...
+    def getProperty(self, name: str): ...
+    def setProperty(self, name: str, value) -> None: ...
+    if sys.version_info >= (3, 9):
+        def feed(self, data, isFinal: bool = False) -> None: ...
+    else:
+        def feed(self, data, isFinal: int = 0) -> None: ...
+
+    def flush(self) -> None: ...
+    def close(self) -> None: ...
+    def reset(self) -> None: ...
+    def getColumnNumber(self) -> int | None: ...
+    def getLineNumber(self) -> int: ...
+    def getPublicId(self): ...
+    def getSystemId(self): ...
+    def start_element(self, name: str, attrs: xmlreader.AttributesImpl) -> None: ...
+    def end_element(self, name: str) -> None: ...
+    def start_element_ns(self, name: str, attrs) -> None: ...
+    def end_element_ns(self, name: str) -> None: ...
+    def processing_instruction(self, target: str, data: str) -> None: ...
+    def character_data(self, data: str) -> None: ...
+    def start_namespace_decl(self, prefix: str | None, uri: str) -> None: ...
+    def end_namespace_decl(self, prefix: str | None) -> None: ...
+    def start_doctype_decl(self, name: str, sysid: str | None, pubid: str | None, has_internal_subset: Unused) -> None: ...
+    def unparsed_entity_decl(self, name, base, sysid, pubid, notation_name) -> None: ...
+    def notation_decl(self, name, base, sysid, pubid) -> None: ...
+    def external_entity_ref(self, context, base, sysid, pubid): ...
+    def skipped_entity_handler(self, name: str, is_pe: bool) -> None: ...
+
+def create_parser(namespaceHandling: int = 0, bufsize: int = 65516) -> ExpatParser: ...