Adding upstream version 6.0.4.

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

setup.py

@@ -0,0 +1,33 @@
+from setuptools import find_packages, setup
+
+version = (
+    open("sqlglot/__init__.py")
+    .read()
+    .split("__version__ = ")[-1]
+    .split("\n")[0]
+    .strip("")
+    .strip("'")
+    .strip('"')
+)
+
+setup(
+    name="sqlglot",
+    version=version,
+    description="An easily customizable SQL parser and transpiler",
+    long_description=open("README.md").read(),
+    long_description_content_type="text/markdown",
+    url="https://github.com/tobymao/sqlglot",
+    author="Toby Mao",
+    author_email="toby.mao@gmail.com",
+    license="MIT",
+    packages=find_packages(include=["sqlglot", "sqlglot.*"]),
+    classifiers=[
+        "Development Status :: 5 - Production/Stable",
+        "Intended Audience :: Developers",
+        "Intended Audience :: Science/Research",
+        "License :: OSI Approved :: MIT License",
+        "Operating System :: OS Independent",
+        "Programming Language :: SQL",
+        "Programming Language :: Python :: 3 :: Only",
+    ],
+)