B

U��eW�@sLdZd
ddgZ
ddlZddlmZ
dd�Zdd	d
�
Zddd�
Zddd
�
ZdS)z1Various types of useful iterators and generators.�body_line_iterator�typed_subpart_iterator�walk�N)
�StringIOc
cs2|V
|��r.x|�
�D]}
|
��Ed
H
qWd
S)z�Walk 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)�self�subpart�r
�%/usr/lib/python3.7/email/iterators.pyrs


Fccs:x4|��D](}|j
|
d
�
}t|t�r
t|�
EdH
q
WdS)z�Iterate over the parts, returning string payloads line-by-line.

    Optional decode (default False) is passed through to .get_payload().
    )
�decodeN)rr�
isinstance�strr)�msgrr	Zpayloadr
r
rr
"s



�textccs<x6|��D]*}|�
�|
kr
|d
ks.|��|kr
|V
q
Wd
S)z�Iterate 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)rZget_content_maintypeZget_content_subtype)rZmaintypeZsubtyper	r
r
rr-s


cCs�|
d
krtj
}
d|d}t||��d|
d�
|rJtd|��|
d�
n
t|
d�

|��r�x"|��D]}t||
|d|�
qfWd
S)	zA handy debugging aidN�
 ��)�end�filez [%s])
r�
)�sys�stdout�printZget_content_typeZget_default_typerr�
_structure)r�fp�levelZinclude_defaultZtabr	r
r
rr;s








r)
F)rN)NrF)	�__doc__�__all__r�iorrr
rrr
r
r
r�<module>s