fix: add platform/arch to variant for rez-pip packages with entry poi…

…nt scripts (#1287)

* fix: add platform/arch to variant for rez-pip packages with entry point scripts

Signed-off-by: Brendan Abel <007brendan@gmail.com>

src/rez/tests/test_pip_utils.py

@@ -149,6 +149,13 @@ def test_is_pure_python_package(self):
 
         self.assertTrue(rez.utils.pip.is_pure_python_package(dist))
 
+    def test_is_entry_points_scripts_package(self):
+        """
+        """
+        dpath = rez.vendor.distlib.database.DistributionPath([self.dist_path])
+        dist = list(dpath.get_distributions())[0]
+        self.assertFalse(rez.utils.pip.is_entry_points_scripts_package(dist))
+
     def test_convert_distlib_to_setuptools_wrong(self):
         """
         """

src/rez/utils/pip.py

@@ -332,6 +332,22 @@ def is_pure_python_package(installed_dist):
     return (is_purelib == "true")
 
 
+def is_entry_points_scripts_package(installed_dist):
+    """Determine if a dist has generated entry point scripts.
+
+    Args:
+        installed_dist (`distlib.database.InstalledDistribution`): Distribution
+            to test.
+
+    Returns:
+        bool: True if dist has generated entry point scripts
+    """
+    setuptools_dist = convert_distlib_to_setuptools(installed_dist)
+
+    entry_map = setuptools_dist.get_entry_map()
+    return bool(entry_map.get("console_scripts") or entry_map.get("gui_scripts"))
+
+
 def get_rez_requirements(installed_dist, python_version, name_casings=None):
     """Get requirements of the given dist, in rez-compatible format.
 
@@ -383,7 +399,10 @@ def get_rez_requirements(installed_dist, python_version, name_casings=None):
 
     # assume package is platform- and arch- specific if it isn't pure python
     is_pure_python = is_pure_python_package(installed_dist)
-    if not is_pure_python:
+    # entry_points scripts are platform and arch specific executables generated by
+    # python build frontends during install
+    has_entry_points_scripts = is_entry_points_scripts_package(installed_dist)
+    if not is_pure_python or has_entry_points_scripts:
         sys_requires.update(["platform", "arch"])
 
     # evaluate wrt python version, which may not be the current interpreter version