Update to add get() and setdefault() as supported mapping operations, and

add a list of the mapping methods which are not supported (per Barry's
comments).
This commit is contained in:
Fred Drake 2001-05-22 15:12:46 +00:00
parent cf71fefa59
commit 6b4593e338
1 changed files with 8 additions and 2 deletions

View File

@ -215,11 +215,17 @@ there is no header matching \var{name}, or it is unparsable, return
In particular: \code{\var{m}[name]} is like
\code{\var{m}.getheader(name)} but raises \exception{KeyError} if
there is no matching header; and \code{len(\var{m})},
\code{\var{m}.get(name\optional{, deafult})},
\code{\var{m}.has_key(name)}, \code{\var{m}.keys()},
\code{\var{m}.values()} and \code{\var{m}.items()} act as expected
\code{\var{m}.values()} \code{\var{m}.items()}, and
\code{\var{m}.setdefault(name\optional{, default})} act as expected
(and consistently). \class{Message} instances also support the
mapping writable interface \code{\var{m}[name] = value} and \code{del
\var{m}[name]}.
\var{m}[name]}. \class{Message} objects do not support the
\method{clear()}, \method{copy()}, \method{popitem()}, or
\method{update()} methods of the mapping interface. (Support for
\method{.get()} and \method{.setdefault()} was only added in Python
2.2.)
Finally, \class{Message} instances have two public instance variables: