Library import 16 (#2433)

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1 files changed, 127 insertions, 0 deletions

diff --git a/contrib/tools/python3/Lib/xml/sax/_exceptions.py b/contrib/tools/python3/Lib/xml/sax/_exceptions.py
new file mode 100644
index 00000000000..f292dc3a8e5
--- /dev/null
+++ b/contrib/tools/python3/Lib/xml/sax/_exceptions.py
@@ -0,0 +1,127 @@
+"""Different kinds of SAX Exceptions"""
+
+# ===== SAXEXCEPTION =====
+
+class SAXException(Exception):
+    """Encapsulate an XML error or warning. This class can contain
+    basic error or warning information from either the XML parser or
+    the application: you can subclass it to provide additional
+    functionality, or to add localization. Note that although you will
+    receive a SAXException as the argument to the handlers in the
+    ErrorHandler interface, you are not actually required to raise
+    the exception; instead, you can simply read the information in
+    it."""
+
+    def __init__(self, msg, exception=None):
+        """Creates an exception. The message is required, but the exception
+        is optional."""
+        self._msg = msg
+        self._exception = exception
+        Exception.__init__(self, msg)
+
+    def getMessage(self):
+        "Return a message for this exception."
+        return self._msg
+
+    def getException(self):
+        "Return the embedded exception, or None if there was none."
+        return self._exception
+
+    def __str__(self):
+        "Create a string representation of the exception."
+        return self._msg
+
+    def __getitem__(self, ix):
+        """Avoids weird error messages if someone does exception[ix] by
+        mistake, since Exception has __getitem__ defined."""
+        raise AttributeError("__getitem__")
+
+
+# ===== SAXPARSEEXCEPTION =====
+
+class SAXParseException(SAXException):
+    """Encapsulate an XML parse error or warning.
+
+    This exception will include information for locating the error in
+    the original XML document. Note that although the application will
+    receive a SAXParseException as the argument to the handlers in the
+    ErrorHandler interface, the application is not actually required
+    to raise the exception; instead, it can simply read the
+    information in it and take a different action.
+
+    Since this exception is a subclass of SAXException, it inherits
+    the ability to wrap another exception."""
+
+    def __init__(self, msg, exception, locator):
+        "Creates the exception. The exception parameter is allowed to be None."
+        SAXException.__init__(self, msg, exception)
+        self._locator = locator
+
+        # We need to cache this stuff at construction time.
+        # If this exception is raised, the objects through which we must
+        # traverse to get this information may be deleted by the time
+        # it gets caught.
+        self._systemId = self._locator.getSystemId()
+        self._colnum = self._locator.getColumnNumber()
+        self._linenum = self._locator.getLineNumber()
+
+    def getColumnNumber(self):
+        """The column number of the end of the text where the exception
+        occurred."""
+        return self._colnum
+
+    def getLineNumber(self):
+        "The line number of the end of the text where the exception occurred."
+        return self._linenum
+
+    def getPublicId(self):
+        "Get the public identifier of the entity where the exception occurred."
+        return self._locator.getPublicId()
+
+    def getSystemId(self):
+        "Get the system identifier of the entity where the exception occurred."
+        return self._systemId
+
+    def __str__(self):
+        "Create a string representation of the exception."
+        sysid = self.getSystemId()
+        if sysid is None:
+            sysid = "<unknown>"
+        linenum = self.getLineNumber()
+        if linenum is None:
+            linenum = "?"
+        colnum = self.getColumnNumber()
+        if colnum is None:
+            colnum = "?"
+        return "%s:%s:%s: %s" % (sysid, linenum, colnum, self._msg)
+
+
+# ===== SAXNOTRECOGNIZEDEXCEPTION =====
+
+class SAXNotRecognizedException(SAXException):
+    """Exception class for an unrecognized identifier.
+
+    An XMLReader will raise this exception when it is confronted with an
+    unrecognized feature or property. SAX applications and extensions may
+    use this class for similar purposes."""
+
+
+# ===== SAXNOTSUPPORTEDEXCEPTION =====
+
+class SAXNotSupportedException(SAXException):
+    """Exception class for an unsupported operation.
+
+    An XMLReader will raise this exception when a service it cannot
+    perform is requested (specifically setting a state or value). SAX
+    applications and extensions may use this class for similar
+    purposes."""
+
+# ===== SAXNOTSUPPORTEDEXCEPTION =====
+
+class SAXReaderNotAvailable(SAXNotSupportedException):
+    """Exception class for a missing driver.
+
+    An XMLReader module (driver) should raise this exception when it
+    is first imported, e.g. when a support module cannot be imported.
+    It also may be raised during parsing, e.g. if executing an external
+    program is not permitted."""