3 i, @s|dZddlmZddlmZddlmZddlmZdddgZdd lZdd lm Z d dZ dd dZ dddZ dddZ d S)z1Various types of useful iterators and generators.)print_function)unicode_literals)division)absolute_importbody_line_iteratortyped_subpart_iteratorwalkN)StringIOccs<|V|jr8x(|jD]}x|jD] }|Vq&WqWdS)zWalk over the message tree, yielding each subpart. The walk is performed in depth-first order. This method is a generator. N) is_multipart get_payloadr)selfsubpartZ subsubpartrB/tmp/pip-build-6m2fasei/future/future/backports/email/iterators.pyrs FccsDx>|jD]2}|j|d}t|tr xt|D] }|Vq.Wq WdS)zIterate over the parts, returning string payloads line-by-line. Optional decode (default False) is passed through to .get_payload(). )decodeN)rr isinstancestrr )msgrr payloadlinerrrr%s   textccs<x6|jD]*}|j|kr |dks.|j|kr |Vq WdS)zIterate over the subparts with a given MIME type. Use `maintype' as the main MIME type to match against; this defaults to "text". Optional `subtype' is the MIME subtype to match against; if omitted, only the main type is matched. N)rget_content_maintypeget_content_subtype)rmaintypesubtyper rrrr1s cCs|dkrtj}d|d}t||jd|d|rJtd|j|dn t|d|jrx"|jD]}t|||d|qfWdS) zA handy debugging aidN )endfilez [%s])r)sysstdoutprintget_content_typeget_default_typer r _structure)rfplevelinclude_defaulttabr rrrr&>s  r&)F)rN)NrF)__doc__ __future__rrrr__all__r!ior rrrr&rrrrs