[ovs-dev] [PATCH] ovsdb-idlc.in: fix dict change during iteration.

Flavio Leitner fbl at sysclose.org
Sat Sep 14 23:17:28 UTC 2019

Python3 complains if a dict key is changed during the

Use list() to create a copy of it.

Traceback (most recent call last):
  File "./ovsdb/ovsdb-idlc.in", line 1581, in <module>
  File "./ovsdb/ovsdb-idlc.in", line 185, in printCIDLHeader
  File "./ovsdb/ovsdb-idlc.in", line 179, in replace_cplusplus_keyword
    for columnName in table.columns:
RuntimeError: dictionary keys changed during iteration

Signed-off-by: Flavio Leitner <fbl at sysclose.org>
 ovsdb/ovsdb-idlc.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ovsdb/ovsdb-idlc.in b/ovsdb/ovsdb-idlc.in
index 40fef39ed..22d0a4e22 100755
--- a/ovsdb/ovsdb-idlc.in
+++ b/ovsdb/ovsdb-idlc.in
@@ -176,7 +176,7 @@ def replace_cplusplus_keyword(schema):
                 'wchar_t', 'while', 'xor', 'xor_eq'}
     for tableName, table in schema.tables.items():
-        for columnName in table.columns:
+        for columnName in list(table.columns):
             if columnName in keywords:
                 table.columns[columnName + '_'] = table.columns.pop(columnName)

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