def main(args):
message = email.message.EmailMessage(email.policy.SMTP)
message['To'] = 'Test Recipient <*****@*****.**>'
message['From'] = 'Test Sender <*****@*****.**>'
message['Subject'] = 'Foundations of Python Network Programming'
message['Date'] = email.utils.formatdate(localtime=True)
message['Message-ID'] = email.utils.make_msgid()
if not args.i:
message.set_content(html, subtype='html')
message.add_alternative(plain)
else:
cid = email.utils.make_msgid() # RFC 2392: must be globally unique!
message.set_content(html + img.format(cid.strip('<>')), subtype='html')
message.add_related(blue_dot, 'image', 'gif', cid=cid,
filename='blue-dot.gif')
message.add_alternative(plain)
for filename in args.filename:
mime_type, encoding = mimetypes.guess_type(filename)
if encoding or (mime_type is None):
mime_type = 'application/octet-stream'
main, sub = mime_type.split('/')
if main == 'text':
with open(filename, encoding='utf-8') as f:
text = f.read()
message.add_attachment(text, sub, filename=filename)
else:
with open(filename, 'rb') as f:
data = f.read()
message.add_attachment(data, main, sub, filename=filename)
sys.stdout.buffer.write(message.as_bytes())
def main(args):
message = email.message.EmailMessage(email.policy.SMTP)
message['To'] = 'Test Recipient <*****@*****.**>'
message['From'] = 'Test Sender <*****@*****.**>'
message['Subject'] = 'Foundations of Python Network Programming'
message['Date'] = email.utils.formatdate(localtime=True)
message['Message-ID'] = email.utils.make_msgid()
if not args.i:
message.set_content(html, subtype='html')
message.add_alternative(plain)
else:
cid = email.utils.make_msgid() # RFS 2392: must be globally unique!
message.set_content(html + img.format(cid.strip('<>')), subtype='html')
message.add_related(blue_dot,
'image',
'gif',
cid=cid,
filename='blue-dot.gif')
message.add_alternative(plain)
for filename in args.filename:
mime_type, encoding = mimetypes.guess_type(filename)
if encoding or (mime_type is None):
mime_type = 'application/octet-stream'
main, sub = mime_type.split('/')
if main == 'text':
with open(filename, encoding='utf-8') as f:
text = f.read()
message.add_attachment(text, sub, filename=filename)
else:
with open(filename, 'rb') as f:
data = f.read()
message.add_attachment(data, main, sub, filename=filename)
sys.stdout.buffer.write(message.as_bytes())
def main(args):
#EmailMessage类python提供用于构造电子邮件信息的最基本的接口
message = email.message.EmailMessage(email.policy.SMTP)
message['To'] = 'Test Recipient <*****@*****.**>'
message['From'] = 'Test Sender <*****@*****.**>'
message['Subject'] = 'Foundations of Python Network Programming'
#返回本地时间作为已知的日期时间对象。
message['Date'] = email.utils.formatdate(localtime=True)
#email.utils.make_msgid(idstring = None，domain = None)返回适合 符合RFC 2822的 Message-ID标头。
message['Message-ID'] = email.utils.make_msgid()
if not args.i:
#set_content()用来设置消息主体
message.set_content(html, subtype='html')
message.add_alternative(plain)
else:
cid = email.utils.make_msgid()
message.set_content(html + img.format(cid.strip('<>')), subtype='html')
#add_related()方法用于向主要内容添加生成消息所用的其他资源。通常主要内容为HTML，并且需要图片，css，javascript时会使用此方法
message.add_related(blue_dot, 'image', 'gif', cid=cid, filename='blue-dot.gif')
#以下方法提供其他格式的电子邮件信息
message.add_alternative(plain)
for filename in args.filename:
#根据文件名，路径或URL（由url给出）来猜测文件的类型。返回值是一个元组(type, encoding)
#其中type是无法猜测的类型（缺少或后缀未知）或形式为的字符串
mime_type, encoding = mimetypes.guess_type(filename)
if encoding or (mime_type is None):
mime_type = 'application/octet-stream'
main, sub = mime_type.split('/')
if main == 'text':
with open(filename, encoding='utf-8') as f:
text = f.read()
#以下方法用于提供附件，如PDF文件，图片以及电子表格
message.add_attachment(text, sub, filename=filename)
else:
with open(filename, 'rb') as f:
data = f.read()
message.add_attachment(data, main, sub, filename=filename)
sys.stdout.buffer.write(message.as_bytes())