[pkg] Handle verbose option in setup.py's export function

Make debugging easier.

--HG--
branch : 3.23

setup.py

@@ -118,15 +118,23 @@ def export(from_dir, to_dir,
         import errno
         if ex.errno != errno.EEXIST:
             raise
+    else:
+        if verbose:
+            print('created %s directory' % to_dir)
     for dirpath, dirnames, filenames in os.walk(from_dir):
         for norecurs in blacklist:
             try:
                 dirnames.remove(norecurs)
             except ValueError:
                 pass
+            else:
+                if verbose:
+                    print('not recursing in %s' % join(dirpath, norecurs))
         for dirname in dirnames:
             dest = join(to_dir, dirname)
             if not exists(dest):
+                if verbose:
+                    print('creating %s directory' % dest)
                 os.mkdir(dest)
         for filename in filenames:
             # don't include binary files
@@ -138,6 +146,8 @@ def export(from_dir, to_dir,
                 continue
             if exists(dest):
                 os.remove(dest)
+            if verbose:
+                print('copying %s to %s' % (src, dest))
             shutil.copy2(src, dest)
 
 
@@ -153,7 +163,7 @@ class MyInstallLib(install_lib.install_lib):
         if include_dirs:
             for directory in include_dirs:
                 dest = join(self.install_dir, modname, directory)
-                export(directory, dest, verbose=False)
+                export(directory, dest, verbose=self.verbose)
 
 # write required share/cubicweb/cubes/__init__.py
 class MyInstallData(install_data.install_data):