[PLAT-2638] Remove dependencies on setuptools and pkg_resources (#12879)

GitOrigin-RevId: 4770364d322f6c26baf113ec85b8171e9c8b8730

Author: Stephen C. Pope

descarteslabs/core/compute/function.py

@@ -42,7 +42,7 @@
     Union,
 )
 
-import pkg_resources
+from packaging.requirements import InvalidRequirement, Requirement
 from strenum import StrEnum
 
 import descarteslabs.exceptions as exceptions
@@ -711,11 +711,6 @@ def _include_init_files(self, dir_path, archive, sys_path):
     def _bundle_requirements(self, requirements):
         """Bundle the requirements into the archive."""
 
-        if not pkg_resources:
-            warnings.warn(
-                "Your Python does not have a recent version of `setuptools`. "
-                "For a better experience update your environment by running `pip install -U setuptools`."
-            )
         if isinstance(requirements, str):
             return self._requirements_file(requirements)
         else:
@@ -735,29 +730,29 @@ def _requirements_file(self, requirements):
     def _requirements_list(self, requirements):
         """Validate the requirements list."""
 
-        if pkg_resources:
-            bad_requirements = []
-            for requirement in requirements:
-                try:
-                    pkg_resources.Requirement.parse(requirement)
-                except ValueError:
-                    # comment or pip-specific option not understood by pkg_resources
-                    if requirement.startswith("#") or requirement.startswith("-"):
-                        continue
-                    if requirement.startswith("https://"):
+        bad_requirements = []
+        for requirement in requirements:
+            try:
+                Requirement(requirement)
+            except InvalidRequirement:
+                # comment or pip-specific option not understood by packaging
+                if requirement.startswith("#") or requirement.startswith("-"):
+                    continue
+                if requirement.startswith("https://"):
+                    continue
+                # e.g. torch-2.0.1+cpu which packaging doesn't understand
+                if "+" in requirement:
+                    try:
+                        Requirement(requirement.rsplit("+")[0])
                         continue
-                    # e.g. torch-2.0.1+cpu which pkg_resource doesn't understand
-                    if "+" in requirement:
-                        try:
-                            pkg_resources.Requirement.parse(requirement.rsplit("+")[0])
-                            continue
-                        except ValueError:
-                            pass
-                    bad_requirements.append(requirement)
-            if bad_requirements:
-                raise ValueError(
-                    "Invalid Python requirements: {}".format(",".join(bad_requirements))
-                )
+                    except InvalidRequirement:
+                        pass
+                bad_requirements.append(requirement)
+        if bad_requirements:
+            raise ValueError(
+                "Invalid Python requirements: {}".format(",".join(bad_requirements))
+            )
+
         return "\n".join(requirements)
 
     def _sys_path_prefix(self, path):

setup.py

@@ -16,7 +16,6 @@
 
 import ast
 import re
-import sys
 
 from setuptools import find_packages, setup
 
@@ -35,18 +34,6 @@
     )
 
 
-def check_setuptools():
-    import pkg_resources
-
-    try:
-        list(pkg_resources.parse_requirements('foo;platform_system!="Windows"'))
-    except pkg_resources.RequirementParseError:
-        sys.exit(
-            "Your Python is using an outdated version of `setuptools`. Please "
-            "run `pip install -U setuptools` and try again."
-        )
-
-
 def do_setup():
     viz_requires = [
         "matplotlib>=3.1.2",
@@ -97,20 +84,19 @@ def do_setup():
             "blosc>=1.11.2",
             "cachetools>=3.1.1",
             "dill>=0.3.6",
-            "dynaconf>=3.1.11",
+            "dynaconf>=3.2.1",
             "geojson>=2.5.0",
             "geopandas>=0.13.2",
             "imagecodecs>=2023.3.16",
             "lazy_object_proxy>=1.7.1",
             "mercantile>=1.1.3",
             "numpy>=1.22.0;python_version>='3.9' and python_version<'3.11'",
             "numpy>=1.23.2;python_version>='3.11'",
+            "packaging>=25.0",
             "Pillow>=9.2.0",
             "pyarrow>=14.0.1",
             "pydantic>=2.4.0",
             "requests>=2.32.3,<3",
-            # It is not obvious but dynaconf requires pkg_resources from setuptools.
-            "setuptools>=70.0.0",
             "shapely>=2.0.0",
             "strenum>=0.4.8",
             "tifffile>=2023.9.26",
@@ -127,5 +113,4 @@ def do_setup():
 
 
 if __name__ == "__main__":
-    check_setuptools()
     do_setup()