gh-90949: Recommend hasattr with Expat security methods (#139800)

Author: hartwork

Doc/library/pyexpat.rst

@@ -223,10 +223,10 @@ XMLParser Objects
    Calling ``SetReparseDeferralEnabled(True)`` allows re-enabling reparse
    deferral.
 
-   Note that :meth:`SetReparseDeferralEnabled` has been backported to some
-   prior releases of CPython as a security fix.  Check for availability of
-   :meth:`SetReparseDeferralEnabled` using :func:`hasattr` if used in code
-   running across a variety of Python versions.
+   :meth:`!SetReparseDeferralEnabled`
+   has been backported to some prior releases of CPython as a security fix.
+   Check for availability using :func:`hasattr` if used in code running
+   across a variety of Python versions.
 
    .. versionadded:: 3.13
 
@@ -257,6 +257,11 @@ against some common XML vulnerabilities.
    The corresponding :attr:`~ExpatError.lineno` and :attr:`~ExpatError.offset`
    should not be used as they may have no special meaning.
 
+   :meth:`!SetBillionLaughsAttackProtectionActivationThreshold`
+   has been backported to some prior releases of CPython as a security fix.
+   Check for availability using :func:`hasattr` if used in code running
+   across a variety of Python versions.
+
    .. note::
 
       Activation thresholds below 4 MiB are known to break support for DITA 1.3
@@ -288,6 +293,11 @@ against some common XML vulnerabilities.
    The corresponding :attr:`~ExpatError.lineno` and :attr:`~ExpatError.offset`
    should not be used as they may have no special meaning.
 
+   :meth:`!SetBillionLaughsAttackProtectionMaximumAmplification`
+   has been backported to some prior releases of CPython as a security fix.
+   Check for availability using :func:`hasattr` if used in code running
+   across a variety of Python versions.
+
    .. note::
 
       The maximum amplification factor is only considered if the threshold
@@ -309,6 +319,11 @@ against some common XML vulnerabilities.
    The corresponding :attr:`~ExpatError.lineno` and :attr:`~ExpatError.offset`
    should not be used as they may have no special meaning.
 
+   :meth:`!SetAllocTrackerActivationThreshold`
+   has been backported to some prior releases of CPython as a security fix.
+   Check for availability using :func:`hasattr` if used in code running
+   across a variety of Python versions.
+
    .. versionadded:: next
 
 .. method:: xmlparser.SetAllocTrackerMaximumAmplification(max_factor, /)
@@ -334,6 +349,11 @@ against some common XML vulnerabilities.
    The corresponding :attr:`~ExpatError.lineno` and :attr:`~ExpatError.offset`
    should not be used as they may have no special meaning.
 
+   :meth:`!SetAllocTrackerMaximumAmplification`
+   has been backported to some prior releases of CPython as a security fix.
+   Check for availability using :func:`hasattr` if used in code running
+   across a variety of Python versions.
+
    .. note::
 
       The maximum amplification factor is only considered if the threshold

Doc/library/xml.etree.elementtree.rst

@@ -1398,10 +1398,10 @@ XMLParser Objects
       Disabling reparse deferral has security consequences; please see
       :meth:`xml.parsers.expat.xmlparser.SetReparseDeferralEnabled` for details.
 
-      Note that :meth:`flush` has been backported to some prior releases of
-      CPython as a security fix.  Check for availability of :meth:`flush`
-      using :func:`hasattr` if used in code running across a variety of Python
-      versions.
+      :meth:`!flush`
+      has been backported to some prior releases of CPython as a security fix.
+      Check for availability using :func:`hasattr` if used in code running
+      across a variety of Python versions.
 
       .. versionadded:: 3.13
 
@@ -1476,10 +1476,10 @@ XMLPullParser Objects
       Disabling reparse deferral has security consequences; please see
       :meth:`xml.parsers.expat.xmlparser.SetReparseDeferralEnabled` for details.
 
-      Note that :meth:`flush` has been backported to some prior releases of
-      CPython as a security fix.  Check for availability of :meth:`flush`
-      using :func:`hasattr` if used in code running across a variety of Python
-      versions.
+      :meth:`!flush`
+      has been backported to some prior releases of CPython as a security fix.
+      Check for availability using :func:`hasattr` if used in code running
+      across a variety of Python versions.
 
       .. versionadded:: 3.13