[PATCH 5/n] pwclient: allow multiple IDs

Bernhard Reutner-Fischer rep.dot.nop at gmail.com
Fri Aug 29 19:07:02 EST 2014


Allow commands that take an ID to operate on multiple IDs.
E.g.:
update -s Superseded 1 2 3 4 5
apply 2 4 6

Reject update -c COMMIT-REF on multiple IDs though as that does not
make sense.

Implementation note:
nargs='*' instead of '?' results in (wrong/inconvenient):
mutually exclusive arguments must be optional
So remove mutual exclusive handling via argparse and instead do it by
hand. This might be implemented more conveniently in later python but we
(have to) stick with 2.7.x for the time being.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop at gmail.com>
---
 apps/patchwork/bin/pwclient | 60 +++++++++++++++++++++++++--------------------
 1 file changed, 34 insertions(+), 26 deletions(-)

diff --git a/apps/patchwork/bin/pwclient b/apps/patchwork/bin/pwclient
index a7afafc..bd79b3a 100755
--- a/apps/patchwork/bin/pwclient
+++ b/apps/patchwork/bin/pwclient
@@ -331,13 +331,12 @@ class _RecursiveHelpAction(argparse._HelpAction):
 
 def main():
     hash_parser = argparse.ArgumentParser(add_help=False, version=False)
-    hash_parser_x = hash_parser.add_mutually_exclusive_group(required=True)
-    hash_parser_x.add_argument(
+    hash_parser.add_argument(
         '-h', metavar='HASH', dest='hash', action='store', required=False,
         help='''Lookup by patch hash'''
     )
-    hash_parser_x.add_argument(
-        'id', metavar='ID', nargs='?', action='store', type=int,
+    hash_parser.add_argument(
+        'id', metavar='ID', nargs='*', action='store', type=int,
         help='Patch ID',
     )
 
@@ -377,7 +376,7 @@ def main():
         add_help=False,
         version=False,
         formatter_class=argparse.RawDescriptionHelpFormatter,
-        epilog='''(apply | get | info | view | update) (-h HASH | ID)''',
+        epilog='''(apply | get | info | view | update) (-h HASH | ID [ID ...])''',
     )
     action_parser.add_argument(
         '--help',
@@ -440,7 +439,8 @@ def main():
     update_parser = subparsers.add_parser(
         'update', parents=[hash_parser],
         add_help=False,
-        help='''Update patch'''
+        help='''Update patch''',
+        epilog='''Using a COMMIT-REF allows for only one ID to be specified''',
     )
     update_parser.set_defaults(subcmd='update')
     update_parser.add_argument(
@@ -475,6 +475,12 @@ def main():
     args = action_parser.parse_args()
     args=dict(vars(args))
 
+    if args.get('hash') and len(args.get('id')):
+        # mimic mutual exclusive group
+        sys.stderr.write("[-h HASH] and [ID [ID ...]] are mutually exlusive!\n")
+        action_parser.print_help()
+        sys.exit(1)
+
     # set defaults
     filt = Filter()
     submitter_str = ""
@@ -484,7 +490,7 @@ def main():
     state_str = ""
     hash_str = None
     msgid_str = ""
-    id_str = None
+    patch_ids = None
     url = DEFAULT_URL
 
     action = args.get('subcmd')
@@ -497,12 +503,17 @@ def main():
         submitter_str = args.get('w')
     if args.get('d'):
         delegate_str = args.get('d')
-    if args.get('c'):
-        commit_str = args.get('c')
     if args.get('hash'):
         hash_str = args.get('hash')
     if args.get('id'):
-        id_str = args.get('id')
+        patch_ids = frozenset(args.get('id'))
+    if args.get('c'):
+        # update multiple IDs with a single commit-hash does not make sense
+        if action == 'update' and patch_ids and len(patch_ids) > 1:
+            sys.stderr.write("Declining update with COMMIT-REF on multiple IDs\n")
+            update_parser.print_help()
+            sys.exit(1)
+        commit_str = args.get('c')
     if args.get('m'):
         msgid_str = args.get('m')
     if args.get('n') != None:
@@ -603,13 +614,9 @@ def main():
         sys.stderr.write("Unable to connect to %s\n" % url)
         sys.exit(1)
 
-    patch_id = None
-    # hash_str and id_str are mutually exclusive
-    if hash_str:
-        patch_id = patch_id_from_hash(rpc, project_str, hash_str)
-    else:
-        # id_str from argparse is an int
-        patch_id = id_str
+    # It should be safe to assume hash_str is not zero, but who knows..
+    if hash_str != None:
+        patch_ids = [patch_id_from_hash(rpc, project_str, hash_str)]
 
     if action == 'list' or action == 'search':
         if args.get('patch_name') != None:
@@ -623,28 +630,29 @@ def main():
         action_states(rpc)
 
     elif action == 'view':
-        s = rpc.patch_get_mbox(patch_id)
-        if len(s) > 0:
-            print unicode(s).encode("utf-8")
+        for patch_id in patch_ids:
+            s = rpc.patch_get_mbox(patch_id)
+            if len(s) > 0:
+                print unicode(s).encode("utf-8")
 
     elif action in ('get', 'save', 'info'):
         if action == 'info':
-            action_info(rpc, patch_id)
+            [action_info(rpc, patch_id) for patch_id in patch_ids]
         else:
-            action_get(rpc, patch_id)
+            [action_get(rpc, patch_id) for patch_id in patch_ids]
 
     elif action == 'apply':
-        action_apply(rpc, patch_id)
+        [action_apply(rpc, patch_id) for patch_id in patch_ids]
 
     elif action == 'git-am':
         cmd = ['git', 'am']
         if do_signoff:
             cmd.append('-s')
-        action_apply(rpc, patch_id, cmd)
+        [action_apply(rpc, patch_id, cmd) for patch_id in patch_ids]
 
     elif action == 'update':
-        action_update_patch(rpc, patch_id, state = state_str,
-                commit = commit_str)
+        [action_update_patch(rpc, patch_id, state = state_str,
+                commit = commit_str) for patch_id in patch_ids]
 
     else:
         sys.stderr.write("Unknown action '%s'\n" % action)
-- 
2.1.0.rc1



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