Fixed logging deprecation warning

src/setuptools_dso/__init__.py

@@ -42,7 +42,7 @@ def cmdclass_setdefault(name, klass, error=True):
             if error:
                 raise AssertionError("cmdclass[%s] must be subclass of %s" % (cmdclass[name], klass))
             else:
-                log.warn("cmdclass[%s] must be subclass of %s, setuptools-dso functionality may be lost",
+                log.warning("cmdclass[%s] must be subclass of %s, setuptools-dso functionality may be lost",
                          cmdclass[name], klass)
     cmdclass_setdefault('bdist_egg', bdist_egg)
     cmdclass_setdefault('build_dso', build_dso)

src/setuptools_dso/compiler.py

@@ -35,7 +35,7 @@
 # self.include_dirs list, growing without bound.
 # With MSVC this eventually fails.
 def _patch_fix_compile_args(realfn, output_dir, macros, include_dirs, *args, **kws):
-    log.warn('_patch_fix_compile_args include_dirs=%r', include_dirs)
+    log.warning('_patch_fix_compile_args include_dirs=%r', include_dirs)
     # turn include_dirs=None into include_dirs=[]
     return realfn(output_dir, macros, include_dirs or [], *args, **kws)
 
@@ -83,7 +83,7 @@ def new_compiler(**kws):
 
     # setuptools 63.4.3 adds compiler.__class__.include_dirs
     if hasattr(compiler.__class__, 'include_dirs') and hasattr(compiler, '_fix_compile_args'):
-        log.warn('Patch _fix_compile_args() to avoid modification to compiler.include_dirs')
+        log.warning('Patch _fix_compile_args() to avoid modification to compiler.include_dirs')
         compiler._fix_compile_args = partial(_patch_fix_compile_args, compiler._fix_compile_args)
 
     if compiler.compiler_type=='msvc': # either msvccompiler or msvc9compiler

src/setuptools_dso/dsocmd.py

@@ -121,7 +121,7 @@ def system_concurrency():
     try:
         return _system_concurrency()
     except Exception as e: # fail softly with a pessimistic estimate
-        log.warn('Warning: Unable to estimate system concurrency, default to sequential build: %r'%e)
+        log.warning('Warning: Unable to estimate system concurrency, default to sequential build: %r'%e)
         return 1
 
 def massage_dir_list(bdirs, indirs):

src/setuptools_dso/probe.py

@@ -459,15 +459,15 @@ def __init__(self, TC):
             self.compiler_version = tuple(int(p) for p in (FV[:2], FV[2:4], FV[4:]))
 
         else:
-            log.warn("Warning: unable to classify compiler")
+            log.warning("Warning: unable to classify compiler")
 
         for attr, info in self.__info.items():
             for macro, val in info:
                 if D.get(macro) is not None:
                     setattr(self, attr, val)
 
             if getattr(self, attr) is None:
-                log.warn("Warning: unable to classify "+attr)
+                log.warning("Warning: unable to classify "+attr)
 
         self.address_width = 8*TC.sizeof('void*')