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ðŸ“ ..
ðŸ“„ __init__.py(1.72 KB)
ðŸ“ __pycache__
ðŸ“„ _encoded_words.py(7.73 KB)
ðŸ“„ _header_value_parser.py(102.83 KB)
ðŸ“„ _parseaddr.py(17.19 KB)
ðŸ“„ _policybase.py(14.55 KB)
ðŸ“„ architecture.rst(9.34 KB)
ðŸ“„ base64mime.py(3.47 KB)
ðŸ“„ charset.py(16.75 KB)
ðŸ“„ contentmanager.py(10.42 KB)
ðŸ“„ encoders.py(1.74 KB)
ðŸ“„ errors.py(3.45 KB)
ðŸ“„ feedparser.py(22.38 KB)
ðŸ“„ generator.py(19.43 KB)
ðŸ“„ header.py(23.54 KB)
ðŸ“„ headerregistry.py(19.69 KB)
ðŸ“„ iterators.py(2.08 KB)
ðŸ“„ message.py(44.7 KB)
ðŸ“ mime
ðŸ“„ parser.py(4.92 KB)
ðŸ“„ policy.py(10.06 KB)
ðŸ“„ quoprimime.py(9.63 KB)
ðŸ“„ utils.py(13.37 KB)

Editing: 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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Editing: iterators.py

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