本文整理汇总了Python中future.backports.email.utils.encode_rfc2231方法的典型用法代码示例。如果您正苦于以下问题：Python utils.encode_rfc2231方法的具体用法？Python utils.encode_rfc2231怎么用？Python utils.encode_rfc2231使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类future.backports.email.utils的用法示例。
在下文中一共展示了utils.encode_rfc2231方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _formatparam
# 需要导入模块: from future.backports.email import utils [as 别名]
# 或者: from future.backports.email.utils import encode_rfc2231 [as 别名]
def _formatparam(param, value=None, quote=True):
"""Convenience function to format and return a key=value pair.
This will quote the value if needed or if quote is true. If value is a
three tuple (charset, language, value), it will be encoded according
to RFC2231 rules. If it contains non-ascii characters it will likewise
be encoded according to RFC2231 rules, using the utf-8 charset and
a null language.
"""
if value is not None and len(value) > 0:
# A tuple is used for RFC 2231 encoded parameter values where items
# are (charset, language, value). charset is a string, not a Charset
# instance. RFC 2231 encoded values are never quoted, per RFC.
if isinstance(value, tuple):
# Encode as per RFC 2231
param += '*'
value = utils.encode_rfc2231(value[2], value[0], value[1])
return '%s=%s' % (param, value)
else:
try:
value.encode('ascii')
except UnicodeEncodeError:
param += '*'
value = utils.encode_rfc2231(value, 'utf-8', '')
return '%s=%s' % (param, value)
# BAW: Please check this. I think that if quote is set it should
# force quoting even if not necessary.
if quote or tspecials.search(value):
return '%s="%s"' % (param, utils.quote(value))
else:
return '%s=%s' % (param, value)
else:
return param