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.venv/Lib/site-packages/notebook/edit/handlers.py

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+"""Tornado handlers for the terminal emulator."""
+
+# Copyright (c) Jupyter Development Team.
+# Distributed under the terms of the Modified BSD License.
+
+from tornado import web
+from ..base.handlers import IPythonHandler, path_regex
+from ..utils import url_escape
+
+class EditorHandler(IPythonHandler):
+    """Render the text editor interface."""
+    @web.authenticated
+    def get(self, path):
+        path = path.strip('/')
+        if not self.contents_manager.file_exists(path):
+            raise web.HTTPError(404, f'File does not exist: {path}')
+
+        basename = path.rsplit('/', 1)[-1]
+        self.write(self.render_template('edit.html',
+            file_path=url_escape(path),
+            basename=basename,
+            page_title=basename + " (editing)",
+            )
+        )
+
+default_handlers = [
+    (fr"/edit{path_regex}", EditorHandler),
+]