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The first argument is a format string; the remaining arguments (if
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XXX This does not parse nested multipart parts -- use FieldStorage for
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XXX This should really be subsumed by FieldStorage altogether -- no
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file: the file(-like) object from which you can read the data;
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outerboundary   : terminating multipart boundary
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environ         : environment dictionary; default: os.environ

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<LI>DATE_LOCAL
<LI>DOCUMENT_NAME
<LI>DOCUMENT_ROOT
<LI>DOCUMENT_URI
<LI>GATEWAY_INTERFACE
<LI>LAST_MODIFIED
<LI>PATH
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<LI>QUERY_STRING
<LI>REMOTE_ADDR
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<LI>SCRIPT_NAME
<LI>SERVER_NAME
<LI>SERVER_PORT
<LI>SERVER_PROTOCOL
<LI>SERVER_ROOT
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</UL>
In addition, HTTP headers sent by the server may be passed in the
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<UL>
<LI>HTTP_ACCEPT
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<LI>HTTP_HOST
<LI>HTTP_PRAGMA
<LI>HTTP_REFERER
<LI>HTTP_USER_AGENT
</UL>
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