Uploaded Test files

venv/Lib/site-packages/ipykernel/displayhook.py

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+"""Replacements for sys.displayhook that publish over ZMQ."""
+
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
+
+import sys
+
+from IPython.core.displayhook import DisplayHook
+from ipykernel.jsonutil import encode_images, json_clean
+from ipython_genutils.py3compat import builtin_mod
+from traitlets import Instance, Dict, Any
+from jupyter_client.session import extract_header, Session
+
+
+class ZMQDisplayHook(object):
+    """A simple displayhook that publishes the object's repr over a ZeroMQ
+    socket."""
+    topic = b'execute_result'
+
+    def __init__(self, session, pub_socket):
+        self.session = session
+        self.pub_socket = pub_socket
+        self.parent_header = {}
+
+    def get_execution_count(self):
+        """This method is replaced in kernelapp"""
+        return 0
+
+    def __call__(self, obj):
+        if obj is None:
+            return
+
+        builtin_mod._ = obj
+        sys.stdout.flush()
+        sys.stderr.flush()
+        contents = {u'execution_count': self.get_execution_count(),
+                    u'data': {'text/plain': repr(obj)},
+                    u'metadata': {}}
+        self.session.send(self.pub_socket, u'execute_result', contents,
+                          parent=self.parent_header, ident=self.topic)
+
+    def set_parent(self, parent):
+        self.parent_header = extract_header(parent)
+
+
+class ZMQShellDisplayHook(DisplayHook):
+    """A displayhook subclass that publishes data using ZeroMQ. This is intended
+    to work with an InteractiveShell instance. It sends a dict of different
+    representations of the object."""
+    topic=None
+
+    session = Instance(Session, allow_none=True)
+    pub_socket = Any(allow_none=True)
+    parent_header = Dict({})
+
+    def set_parent(self, parent):
+        """Set the parent for outbound messages."""
+        self.parent_header = extract_header(parent)
+
+    def start_displayhook(self):
+        self.msg = self.session.msg(u'execute_result', {
+            'data': {},
+            'metadata': {},
+        }, parent=self.parent_header)
+
+    def write_output_prompt(self):
+        """Write the output prompt."""
+        self.msg['content']['execution_count'] = self.prompt_count
+
+    def write_format_data(self, format_dict, md_dict=None):
+        self.msg['content']['data'] = json_clean(encode_images(format_dict))
+        self.msg['content']['metadata'] = md_dict
+
+    def finish_displayhook(self):
+        """Finish up all displayhook activities."""
+        sys.stdout.flush()
+        sys.stderr.flush()
+        if self.msg['content']['data']:
+            self.session.send(self.pub_socket, self.msg, ident=self.topic)
+        self.msg = None