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?? ..
?? __init__.py(1.75 KB)
?? __pycache__
?? _encoded_words.py(7.73 KB)
?? _header_value_parser.py(101.45 KB)
?? _parseaddr.py(16.8 KB)
?? _policybase.py(13.99 KB)
?? architecture.rst(9.34 KB)
?? base64mime.py(3.47 KB)
?? charset.py(16.82 KB)
?? encoders.py(2.13 KB)
?? errors.py(3.45 KB)
?? feedparser.py(21.72 KB)
?? generator.py(19.32 KB)
?? header.py(23.64 KB)
?? headerregistry.py(19.57 KB)
?? iterators.py(2.15 KB)
?? message.py(34.83 KB)
?? mime
?? parser.py(4.9 KB)
?? policy.py(8.35 KB)
?? quoprimime.py(9.64 KB)
?? utils.py(13.69 KB)

Editing: encoders.py

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

"""Encodings and related functions."""

__all__ = [
    'encode_7or8bit',
    'encode_base64',
    'encode_noop',
    'encode_quopri',
    ]

from base64 import encodebytes as _bencode
from quopri import encodestring as _encodestring

def _qencode(s):
    enc = _encodestring(s, quotetabs=True)
    # Must encode spaces, which quopri.encodestring() doesn't do
    return enc.replace(b' ', b'=20')

def encode_base64(msg):
    """Encode the message's payload in Base64.

Also, add an appropriate Content-Transfer-Encoding header.
    """
    orig = msg.get_payload(decode=True)
    encdata = str(_bencode(orig), 'ascii')
    msg.set_payload(encdata)
    msg['Content-Transfer-Encoding'] = 'base64'

def encode_quopri(msg):
    """Encode the message's payload in quoted-printable.

Also, add an appropriate Content-Transfer-Encoding header.
    """
    orig = msg.get_payload(decode=True)
    encdata = _qencode(orig)
    msg.set_payload(encdata)
    msg['Content-Transfer-Encoding'] = 'quoted-printable'

def encode_7or8bit(msg):
    """Set the Content-Transfer-Encoding header to 7bit or 8bit."""
    orig = msg.get_payload(decode=True)
    if orig is None:
        # There's no payload.  For backwards compatibility we use 7bit
        msg['Content-Transfer-Encoding'] = '7bit'
        return
    # We play a trick to make this go fast.  If encoding/decode to ASCII
    # succeeds, we know the data must be 7bit, otherwise treat it as 8bit.
    try:
        if isinstance(orig, str):
            orig.encode('ascii')
        else:
            orig.decode('ascii')
    except UnicodeError:
        charset = msg.get_charset()
        output_cset = charset and charset.output_charset
        # iso-2022-* is non-ASCII but encodes to a 7-bit representation
        if output_cset and output_cset.lower().startswith('iso-2022-'):
            msg['Content-Transfer-Encoding'] = '7bit'
        else:
            msg['Content-Transfer-Encoding'] = '8bit'
    else:
        msg['Content-Transfer-Encoding'] = '7bit'

def encode_noop(msg):
    """Do nothing."""

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