chore: import upstream snapshot with attribution

setup.py

@@ -0,0 +1,43 @@
+from setuptools import setup
+from setuptools.command.egg_info import egg_info
+
+# To use a consistent encoding
+from codecs import open
+
+
+class egg_info_ex(egg_info):
+    """Includes license file into `.egg-info` folder."""
+
+    def run(self):
+        # don't duplicate license into `.egg-info` when building a distribution
+        if not self.distribution.have_run.get("install", True):
+            # `install` command is in progress, copy license
+            self.mkpath(self.egg_info)
+            self.copy_file("LICENSE", self.egg_info)
+
+        egg_info.run(self)
+
+
+# Get version number and store it in __version__
+exec(open("cleanlab/version.py").read())
+
+DATALAB_REQUIRE = [
+    # Mainly for Datalab's data storage class.
+    # Still some type hints that require datasets
+    "datasets>=2.7.0",
+]
+
+IMAGE_REQUIRE = DATALAB_REQUIRE + ["cleanvision>=0.3.6"]
+
+EXTRAS_REQUIRE = {
+    "datalab": DATALAB_REQUIRE,
+    "image": IMAGE_REQUIRE,
+    "all": ["matplotlib>=3.5.1"],
+}
+EXTRAS_REQUIRE["all"] = list(set(sum(EXTRAS_REQUIRE.values(), [])))
+
+setup(
+    version=__version__,
+    cmdclass={"egg_info": egg_info_ex},
+    extras_require=EXTRAS_REQUIRE,
+)