Python message.startswith方法代码示例

# 需要导入模块: from email import message [as 别名]
# 或者: from email.message import startswith [as 别名]
def _install_message(self, message):
        """Format a message and blindly write to self._file."""
        from_line = None
        if isinstance(message, str) and message.startswith('From '):
            newline = message.find('\n')
            if newline != -1:
                from_line = message[:newline]
                message = message[newline + 1:]
            else:
                from_line = message
                message = ''
        elif isinstance(message, _mboxMMDFMessage):
            from_line = 'From ' + message.get_from()
        elif isinstance(message, email.message.Message):
            from_line = message.get_unixfrom()  # May be None.
        if from_line is None:
            from_line = 'From MAILER-DAEMON %s' % time.asctime(time.gmtime())
        start = self._file.tell()
        self._file.write(from_line + os.linesep)
        self._dump_message(message, self._file, self._mangle_from_)
        stop = self._file.tell()
        return (start, stop) 

# 需要导入模块: from email import message [as 别名]
# 或者: from email.message import startswith [as 别名]
def _generate_toc(self):
        """Generate key-to-(start, stop) table of contents."""
        starts, stops = [], []
        self._file.seek(0)
        while True:
            line_pos = self._file.tell()
            line = self._file.readline()
            if line.startswith('From '):
                if len(stops) < len(starts):
                    stops.append(line_pos - len(os.linesep))
                starts.append(line_pos)
            elif line == '':
                stops.append(line_pos)
                break
        self._toc = dict(enumerate(zip(starts, stops)))
        self._next_key = len(self._toc)
        self._file_length = self._file.tell() 

# 需要导入模块: from email import message [as 别名]
# 或者: from email.message import startswith [as 别名]
def _dump_message(self, message, target, mangle_from_=False):
        # Most files are opened in binary mode to allow predictable seeking.
        # To get native line endings on disk, the user-friendly \n line endings
        # used in strings and by email.Message are translated here.
        """Dump message contents to target file."""
        if isinstance(message, email.message.Message):
            buffer = StringIO.StringIO()
            gen = email.generator.Generator(buffer, mangle_from_, 0)
            gen.flatten(message)
            buffer.seek(0)
            target.write(buffer.read().replace('\n', os.linesep))
        elif isinstance(message, str):
            if mangle_from_:
                message = message.replace('\nFrom ', '\n>From ')
            message = message.replace('\n', os.linesep)
            target.write(message)
        elif hasattr(message, 'read'):
            while True:
                line = message.readline()
                if line == '':
                    break
                if mangle_from_ and line.startswith('From '):
                    line = '>From ' + line[5:]
                line = line.replace('\n', os.linesep)
                target.write(line)
        else:
            raise TypeError('Invalid message type: %s' % type(message)) 

# 需要导入模块: from email import message [as 别名]
# 或者: from email.message import startswith [as 别名]
def get_flags(self):
        """Return as a string the flags that are set."""
        if self._info.startswith('2,'):
            return self._info[2:]
        else:
            return '' 

# 需要导入模块: from email import message [as 别名]
# 或者: from email.message import startswith [as 别名]
def _dump_message(self, message, target, mangle_from_=False):
        # Most files are opened in binary mode to allow predictable seeking.
        # To get native line endings on disk, the user-friendly \n line endings
        # used in strings and by email.Message are translated here.
        """Dump message contents to target file."""
        if isinstance(message, email.message.Message):
            buffer = StringIO.StringIO()
            gen = email.generator.Generator(buffer, mangle_from_, 0)
            gen.flatten(message)
            buffer.seek(0)
            data = buffer.read().replace('\n', os.linesep)
            target.write(data)
            if self._append_newline and not data.endswith(os.linesep):
                # Make sure the message ends with a newline
                target.write(os.linesep)
        elif isinstance(message, str):
            if mangle_from_:
                message = message.replace('\nFrom ', '\n>From ')
            message = message.replace('\n', os.linesep)
            target.write(message)
            if self._append_newline and not message.endswith(os.linesep):
                # Make sure the message ends with a newline
                target.write(os.linesep)
        elif hasattr(message, 'read'):
            lastline = None
            while True:
                line = message.readline()
                if line == '':
                    break
                if mangle_from_ and line.startswith('From '):
                    line = '>From ' + line[5:]
                line = line.replace('\n', os.linesep)
                target.write(line)
                lastline = line
            if self._append_newline and lastline and not lastline.endswith(os.linesep):
                # Make sure the message ends with a newline
                target.write(os.linesep)
        else:
            raise TypeError('Invalid message type: %s' % type(message)) 

# 需要导入模块: from email import message [as 别名]
# 或者: from email.message import startswith [as 别名]
def _generate_toc(self):
        """Generate key-to-(start, stop) table of contents."""
        starts, stops = [], []
        last_was_empty = False
        self._file.seek(0)
        while True:
            line_pos = self._file.tell()
            line = self._file.readline()
            if line.startswith('From '):
                if len(stops) < len(starts):
                    if last_was_empty:
                        stops.append(line_pos - len(os.linesep))
                    else:
                        # The last line before the "From " line wasn't
                        # blank, but we consider it a start of a
                        # message anyway.
                        stops.append(line_pos)
                starts.append(line_pos)
                last_was_empty = False
            elif not line:
                if last_was_empty:
                    stops.append(line_pos - len(os.linesep))
                else:
                    stops.append(line_pos)
                break
            elif line == os.linesep:
                last_was_empty = True
            else:
                last_was_empty = False
        self._toc = dict(enumerate(zip(starts, stops)))
        self._next_key = len(self._toc)
        self._file_length = self._file.tell() 

# 需要导入模块: from email import message [as 别名]
# 或者: from email.message import startswith [as 别名]
def _install_message(self, message):
        """Format a message and blindly write to self._file."""
        from_line = None
        if isinstance(message, str):
            message = self._string_to_bytes(message)
        if isinstance(message, bytes) and message.startswith(b'From '):
            newline = message.find(b'\n')
            if newline != -1:
                from_line = message[:newline]
                message = message[newline + 1:]
            else:
                from_line = message
                message = b''
        elif isinstance(message, _mboxMMDFMessage):
            author = message.get_from().encode('ascii')
            from_line = b'From ' + author
        elif isinstance(message, email.message.Message):
            from_line = message.get_unixfrom()  # May be None.
            if from_line is not None:
                from_line = from_line.encode('ascii')
        if from_line is None:
            from_line = b'From MAILER-DAEMON ' + time.asctime(time.gmtime()).encode()
        start = self._file.tell()
        self._file.write(from_line + linesep)
        self._dump_message(message, self._file, self._mangle_from_)
        stop = self._file.tell()
        return (start, stop)