patman: Move the main program into a function

Add a new run_patman() function to hold the main logic.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/tools/patman/__main__.py b/tools/patman/__main__.py
index 0e559b5810be40450b1225d4a045ed74b920f734..87850295e7049a159d77b71081cc7ee001cf8042 100755 (executable)
--- a/tools/patman/__main__.py
+++ b/tools/patman/__main__.py
@@ -30,63 +30,70 @@ from u_boot_pylib import test_util
 from u_boot_pylib import tools
 
 
-if __name__ != "__main__":
-    pass
-
-args = cmdline.parse_args()
-
-if not args.debug:
-    sys.tracebacklimit = 0
-
-# Run our meagre tests
-if args.cmd == 'test':
-    from patman import func_test
-    from patman import test_checkpatch
-
-    result = test_util.run_test_suites(
-        'patman', False, False, False, None, None, None,
-        [test_checkpatch.TestPatch, func_test.TestFunctional,
-         'gitutil', 'settings'])
-
-    sys.exit(0 if result.wasSuccessful() else 1)
-
-# Process commits, produce patches files, check them, email them
-elif args.cmd == 'send':
-    # Called from git with a patch filename as argument
-    # Printout a list of additional CC recipients for this patch
-    if args.cc_cmd:
-        fd = open(args.cc_cmd, 'r')
-        re_line = re.compile('(\S*) (.*)')
-        for line in fd.readlines():
-            match = re_line.match(line)
-            if match and match.group(1) == args.patchfiles[0]:
-                for cc in match.group(2).split('\0'):
-                    cc = cc.strip()
-                    if cc:
-                        print(cc)
-        fd.close()
-
-    elif args.full_help:
-        with importlib.resources.path('patman', 'README.rst') as readme:
-            tools.print_full_help(str(readme))
-    else:
-        # If we are not processing tags, no need to warning about bad ones
-        if not args.process_tags:
-            args.ignore_bad_tags = True
-        control.send(args)
-
-# Check status of patches in patchwork
-elif args.cmd == 'status':
-    ret_code = 0
-    try:
-        control.patchwork_status(args.branch, args.count, args.start, args.end,
-                                 args.dest_branch, args.force,
-                                 args.show_comments, args.patchwork_url)
-    except Exception as e:
-        terminal.tprint('patman: %s: %s' % (type(e).__name__, e),
-                        colour=terminal.Color.RED)
-        if args.debug:
-            print()
-            traceback.print_exc()
-        ret_code = 1
-    sys.exit(ret_code)
+def run_patman():
+    """Run patamn
+
+    This is the main program. It collects arguments and runs either the tests or
+    the control module.
+    """
+    args = cmdline.parse_args()
+
+    if not args.debug:
+        sys.tracebacklimit = 0
+
+    # Run our meagre tests
+    if args.cmd == 'test':
+        from patman import func_test
+        from patman import test_checkpatch
+
+        result = test_util.run_test_suites(
+            'patman', False, False, False, None, None, None,
+            [test_checkpatch.TestPatch, func_test.TestFunctional,
+             'gitutil', 'settings'])
+
+        sys.exit(0 if result.wasSuccessful() else 1)
+
+    # Process commits, produce patches files, check them, email them
+    elif args.cmd == 'send':
+        # Called from git with a patch filename as argument
+        # Printout a list of additional CC recipients for this patch
+        if args.cc_cmd:
+            fd = open(args.cc_cmd, 'r')
+            re_line = re.compile('(\S*) (.*)')
+            for line in fd.readlines():
+                match = re_line.match(line)
+                if match and match.group(1) == args.patchfiles[0]:
+                    for cc in match.group(2).split('\0'):
+                        cc = cc.strip()
+                        if cc:
+                            print(cc)
+            fd.close()
+
+        elif args.full_help:
+            with importlib.resources.path('patman', 'README.rst') as readme:
+                tools.print_full_help(str(readme))
+        else:
+            # If we are not processing tags, no need to warning about bad ones
+            if not args.process_tags:
+                args.ignore_bad_tags = True
+            control.send(args)
+
+    # Check status of patches in patchwork
+    elif args.cmd == 'status':
+        ret_code = 0
+        try:
+            control.patchwork_status(args.branch, args.count, args.start, args.end,
+                                     args.dest_branch, args.force,
+                                     args.show_comments, args.patchwork_url)
+        except Exception as e:
+            terminal.tprint('patman: %s: %s' % (type(e).__name__, e),
+                            colour=terminal.Color.RED)
+            if args.debug:
+                print()
+                traceback.print_exc()
+            ret_code = 1
+        sys.exit(ret_code)
+
+
+if __name__ == "__main__":
+    sys.exit(run_patman())