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Enable nullable MarkdownColumns

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This commit is contained in:
Petr Viktorin 2011-04-03 19:42:46 +03:00
parent 105d9422ca
commit 6f36907341
1 changed files with 6 additions and 0 deletions
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6
pokedex/db/markdown.py
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@ -106,6 +106,9 @@ class MarkdownColumn(sqlalchemy.types.TypeDecorator):
impl = sqlalchemy.types.Unicode
def process_bind_param(self, value, dialect):
if value is None:
return None
if not isinstance(value, basestring):
# Can't assign, e.g., MarkdownString objects yet
raise NotImplementedError
@ -113,4 +116,7 @@ class MarkdownColumn(sqlalchemy.types.TypeDecorator):
return unicode(value)
def process_result_value(self, value, dialect):
if value is None:
return None
return MarkdownString(value)