Library import 16 (#2433)

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1 files changed, 84 insertions, 0 deletions

diff --git a/contrib/tools/python3/Lib/urllib/response.py b/contrib/tools/python3/Lib/urllib/response.py
new file mode 100644
index 0000000000..5a2c3cc78c
--- /dev/null
+++ b/contrib/tools/python3/Lib/urllib/response.py
@@ -0,0 +1,84 @@
+"""Response classes used by urllib.
+
+The base class, addbase, defines a minimal file-like interface,
+including read() and readline().  The typical response object is an
+addinfourl instance, which defines an info() method that returns
+headers and a geturl() method that returns the url.
+"""
+
+import tempfile
+
+__all__ = ['addbase', 'addclosehook', 'addinfo', 'addinfourl']
+
+
+class addbase(tempfile._TemporaryFileWrapper):
+    """Base class for addinfo and addclosehook. Is a good idea for garbage collection."""
+
+    # XXX Add a method to expose the timeout on the underlying socket?
+
+    def __init__(self, fp):
+        super(addbase,  self).__init__(fp, '<urllib response>', delete=False)
+        # Keep reference around as this was part of the original API.
+        self.fp = fp
+
+    def __repr__(self):
+        return '<%s at %r whose fp = %r>' % (self.__class__.__name__,
+                                             id(self), self.file)
+
+    def __enter__(self):
+        if self.fp.closed:
+            raise ValueError("I/O operation on closed file")
+        return self
+
+    def __exit__(self, type, value, traceback):
+        self.close()
+
+
+class addclosehook(addbase):
+    """Class to add a close hook to an open file."""
+
+    def __init__(self, fp, closehook, *hookargs):
+        super(addclosehook, self).__init__(fp)
+        self.closehook = closehook
+        self.hookargs = hookargs
+
+    def close(self):
+        try:
+            closehook = self.closehook
+            hookargs = self.hookargs
+            if closehook:
+                self.closehook = None
+                self.hookargs = None
+                closehook(*hookargs)
+        finally:
+            super(addclosehook, self).close()
+
+
+class addinfo(addbase):
+    """class to add an info() method to an open file."""
+
+    def __init__(self, fp, headers):
+        super(addinfo, self).__init__(fp)
+        self.headers = headers
+
+    def info(self):
+        return self.headers
+
+
+class addinfourl(addinfo):
+    """class to add info() and geturl() methods to an open file."""
+
+    def __init__(self, fp, headers, url, code=None):
+        super(addinfourl, self).__init__(fp, headers)
+        self.url = url
+        self.code = code
+
+    @property
+    def status(self):
+        return self.code
+
+    def getcode(self):
+        return self.code
+
+    def geturl(self):
+        return self.url