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mime	-	Open
__pycache__	-	Open
architecture.rst	9.34 MB	View DL Edit
base64mime.py	3.47 MB	View DL Edit
charset.py	16.72 MB	View DL Edit
contentmanager.py	10.34 MB	View DL Edit
encoders.py	1.74 MB	View DL Edit
errors.py	3.72 MB	View DL Edit
feedparser.py	22.27 MB	View DL Edit
generator.py	20.33 MB	View DL Edit
header.py	23.53 MB	View DL Edit
headerregistry.py	20.33 MB	View DL Edit
iterators.py	2.08 MB	View DL Edit
message.py	46.9 MB	View DL Edit
parser.py	4.92 MB	View DL Edit
policy.py	10.27 MB	View DL Edit
quoprimime.py	9.63 MB	View DL Edit
utils.py	16.82 MB	View DL Edit
_encoded_words.py	8.34 MB	View DL Edit
_header_value_parser.py	106.08 MB	View DL Edit
_parseaddr.py	17.4 MB	View DL Edit
_policybase.py	15.17 MB	View DL Edit
__init__.py	1.72 MB	View DL Edit

Edit file: /opt/alt/python311/lib64/python3.11/email/iterators.py

# Copyright (C) 2001-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org

"""Various types of useful iterators and generators."""

__all__ = [
    'body_line_iterator',
    'typed_subpart_iterator',
    'walk',
    # Do not include _structure() since it's part of the debugging API.
    ]

import sys
from io import StringIO

# This function will become a method of the Message class
def walk(self):
    """Walk over the message tree, yielding each subpart.

The walk is performed in depth-first order.  This method is a
    generator.
    """
    yield self
    if self.is_multipart():
        for subpart in self.get_payload():
            yield from subpart.walk()

# These two functions are imported into the Iterators.py interface module.
def body_line_iterator(msg, decode=False):
    """Iterate over the parts, returning string payloads line-by-line.

Optional decode (default False) is passed through to .get_payload().
    """
    for subpart in msg.walk():
        payload = subpart.get_payload(decode=decode)
        if isinstance(payload, str):
            yield from StringIO(payload)

def typed_subpart_iterator(msg, maintype='text', subtype=None):
    """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.
    """
    for subpart in msg.walk():
        if subpart.get_content_maintype() == maintype:
            if subtype is None or subpart.get_content_subtype() == subtype:
                yield subpart

def _structure(msg, fp=None, level=0, include_default=False):
    """A handy debugging aid"""
    if fp is None:
        fp = sys.stdout
    tab = ' ' * (level * 4)
    print(tab + msg.get_content_type(), end='', file=fp)
    if include_default:
        print(' [%s]' % msg.get_default_type(), file=fp)
    else:
        print(file=fp)
    if msg.is_multipart():
        for subpart in msg.get_payload():
            _structure(subpart, fp, level+1, include_default)

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