Fix SetuptoolsDeprecationWarning issued by 'python -m build'

Fix 'extras_require' in setup.py to fix the warning. This requires fixes
for the parsing of dependencies in test_dependencies_in_sync.py: Use the
'packaging' module which simplifies the code.

.github/scripts/install.sh

@@ -24,6 +24,7 @@ fi
 # Install dependencies
 if [ "$USE_CONDA" = "true" ]; then
     if [ -n "$QT6_BINDINGS" ]; then
+        # conda has no PyQt6 package
         echo "Cannot use Qt 6 with Conda" 1>&2
         exit 1
     fi

setup.py

@@ -264,7 +264,6 @@ def run(self):
     install_requires.append('qtconsole>=5.5.1,<5.7.0')
 
 extras_require = {
-    'test:platform_system == "Windows"': ['pywin32'],
     'test': [
         'coverage',
         'cython',
@@ -279,6 +278,7 @@ def run(self):
         'pytest-order',
         'pytest-qt',
         'pytest-timeout',
+        'pywin32;platform_system=="Windows"',
         'pyyaml',
         'scipy',
         'sympy',

spyder/tests/test_dependencies_in_sync.py

@@ -9,6 +9,8 @@
 import os.path as osp
 
 # Third party imports
+from packaging.requirements import Requirement
+from packaging.specifiers import SpecifierSet
 import pytest
 import yaml
 
@@ -42,15 +44,11 @@ def parse_environment_yaml(fpath):
         elif dep == 'websockify':
             continue
         else:
-            parts = dep.split(' ')
-            if len(parts) > 1:
-                ver = parts[-1]
-                if ver[0] == '=':
-                    ver = '=' + ver
-
-                deps[parts[0]] = ver
+            req = Requirement(dep)
+            if req.specifier:
+                deps[req.name] = str(req.specifier)
             else:
-                deps[parts[0]] = None
+                deps[req.name] = None
 
     return deps
 
@@ -66,10 +64,7 @@ def parse_spyder_dependencies():
 
         ver = dep['required_version']
         if ver:
-            if ';' in ver:
-                ver = ver.replace(';', ',')
-            elif ver[0] == '=':
-                ver = '=' + ver
+            ver = str(SpecifierSet(ver))
 
         deps[dep['package_name'].lower()] = ver
 
@@ -98,26 +93,16 @@ def parse_setup_install_requires(fpath):
     dep_list = literal_eval('[' + '\n'.join(lines[start:end + 1]))
     dep_list = [item for item in dep_list if item[0] != '#']
     for dep in dep_list:
-        dep = dep.split(';')[0]
-        name, ver = None, None
-
-        for sep in ['>=', '==', '<=', '<', '>']:
-            if sep in dep:
-                idx = dep.index(sep)
-                name = dep[:idx]
-                ver = dep[idx:]
-                break
-
-        if name is not None:
-            name = name.split('[')[0]
-        else:
-            name = dep.split('[')[0]
+        req = Requirement(dep)
 
         # Transform pypi to conda name
-        if name == 'pyqt5':
-            name = 'pyqt'
+        if req.name == 'pyqt5':
+            req.name = 'pyqt'
 
-        deps[name] = ver
+        if req.specifier:
+            deps[req.name] = str(req.specifier)
+        else:
+            deps[req.name] = None
 
     return deps
 
@@ -145,27 +130,22 @@ def parse_setup_extra_requires(fpath):
     dep_list = dep_dict.get('test')
     dep_list = [item for item in dep_list if item[0] != '#']
     for dep in dep_list:
-        dep = dep.split(';')[0]
-        name, ver = None, None
-
-        for sep in ['>=', '==', '<=', '<', '>']:
-            if sep in dep:
-                idx = dep.index(sep)
-                name = dep[:idx]
-                ver = dep[idx:]
-                break
-
-        if name is not None:
-            name = name.split('[')[0]
-        else:
-            name = dep.split('[')[0]
+        req = Requirement(dep)
 
         # Transform pypi to conda name
-        if name == 'pyqt5':
-            name = 'pyqt'
+        if req.name == 'pyqt5':
+            req.name = 'pyqt'
+
+        if req.marker and not req.marker.evaluate():
+            # Skip dependencies which are not required for current environment
+            # (e.g. skip 'platform_system=="Windows"' on Linux)
+            continue
+
+        if req.specifier:
+            deps[req.name] = str(req.specifier)
+        else:
+            deps[req.name] = None
 
-        deps[name] = ver
-    print(deps)
     return deps