Adding upstream version 3.0.16.

Signed-off-by: Daniel Baumann <daniel@debian.org>

setup.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+import os
+import sys
+
+from setuptools import find_packages, setup
+
+with open(os.path.join(os.path.dirname(__file__), "README.rst")) as f:
+    long_description = f.read()
+
+
+setup(
+    name="ptpython",
+    author="Jonathan Slenders",
+    version="3.0.16",
+    url="https://github.com/prompt-toolkit/ptpython",
+    description="Python REPL build on top of prompt_toolkit",
+    long_description=long_description,
+    packages=find_packages("."),
+    install_requires=[
+        "appdirs",
+        "importlib_metadata;python_version<'3.8'",
+        "jedi>=0.16.0",
+        # Use prompt_toolkit 3.0.16, because of the `DeduplicateCompleter`.
+        "prompt_toolkit>=3.0.16,<3.1.0",
+        "pygments",
+        "black",
+    ],
+    python_requires=">=3.6",
+    classifiers=[
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3 :: Only",
+        "Programming Language :: Python",
+    ],
+    entry_points={
+        "console_scripts": [
+            "ptpython = ptpython.entry_points.run_ptpython:run",
+            "ptipython = ptpython.entry_points.run_ptipython:run",
+            "ptpython%s = ptpython.entry_points.run_ptpython:run" % sys.version_info[0],
+            "ptpython%s.%s = ptpython.entry_points.run_ptpython:run"
+            % sys.version_info[:2],
+            "ptipython%s = ptpython.entry_points.run_ptipython:run"
+            % sys.version_info[0],
+            "ptipython%s.%s = ptpython.entry_points.run_ptipython:run"
+            % sys.version_info[:2],
+        ]
+    },
+    extras_require={"ptipython": ["ipython"]},  # For ptipython, we need to have IPython
+)