我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用email.message.startswith()。
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)
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()
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(b'From '): if len(stops) < len(starts): stops.append(line_pos - len(linesep)) starts.append(line_pos) elif not 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()
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))
def _generate_toc(self): """Generate key-to-(start, stop) table of contents.""" starts, stops = [], [] self._file.seek(0) next_pos = 0 while True: line_pos = next_pos line = self._file.readline() next_pos = self._file.tell() if line.startswith('\001\001\001\001' + os.linesep): starts.append(next_pos) while True: line_pos = next_pos line = self._file.readline() next_pos = self._file.tell() if line == '\001\001\001\001' + os.linesep: stops.append(line_pos - len(os.linesep)) break elif line == '': stops.append(line_pos) break elif line == '': break self._toc = dict(enumerate(zip(starts, stops))) self._next_key = len(self._toc) self._file.seek(0, 2) self._file_length = self._file.tell()
def get_flags(self): """Return as a string the flags that are set.""" if self._info.startswith('2,'): return self._info[2:] else: return ''
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))
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()
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)
def _generate_toc(self): """Generate key-to-(start, stop) table of contents.""" starts, stops = [], [] self._file.seek(0) next_pos = 0 while True: line_pos = next_pos line = self._file.readline() next_pos = self._file.tell() if line.startswith(b'\001\001\001\001' + linesep): starts.append(next_pos) while True: line_pos = next_pos line = self._file.readline() next_pos = self._file.tell() if line == b'\001\001\001\001' + linesep: stops.append(line_pos - len(linesep)) break elif not line: stops.append(line_pos) break elif not line: break self._toc = dict(enumerate(zip(starts, stops))) self._next_key = len(self._toc) self._file.seek(0, 2) self._file_length = self._file.tell()
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(b'From '): if len(stops) < len(starts): if last_was_empty: stops.append(line_pos - len(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(linesep)) else: stops.append(line_pos) break elif line == 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()
