email.py 文件源码

def extract_headers_metadata(self, headers):
        headers = [(stringify(k), stringify(v)) for k, v in headers]
        self.result.headers = dict(headers)
        for field, value in headers:
            field = field.lower()
            if field is None or value is None:
                continue

            if field == 'subject':
                self.update('title', value)

            if field == 'message-id':
                self.update('id', value)

            if field == 'date':
                try:
                    date = rfc822.parsedate(value)
                    date = datetime.fromtimestamp(mktime(date))
                    self.update('created_at', date)
                except Exception as ex:
                    log.warning("Failed to parse [%s]: %s", date, ex)

            if field == 'from':
                addr = address.parse(value)
                if addr is not None:
                    author = stringify(addr.display_name)
                    email = stringify(addr.address)
                    self.result.emails.append(email)
                    if author is not None and author != email:
                        self.update('author', author)
                        self.result.entities.append(author)

            if field in ['to', 'cc', 'bcc']:
                for addr in address.parse_list(value):
                    name = stringify(addr.display_name)
                    email = stringify(addr.address)
                    self.result.emails.append(email)
                    if name is not None and name != email:
                        self.result.entities.append(name)