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.read()。
def __init__(self, dirname, factory=rfc822.Message, create=True): """Initialize a Maildir instance.""" Mailbox.__init__(self, dirname, factory, create) self._paths = { 'tmp': os.path.join(self._path, 'tmp'), 'new': os.path.join(self._path, 'new'), 'cur': os.path.join(self._path, 'cur'), } if not os.path.exists(self._path): if create: os.mkdir(self._path, 0700) for path in self._paths.values(): os.mkdir(path, 0o700) else: raise NoSuchMailboxError(self._path) self._toc = {} self._toc_mtimes = {} for subdir in ('cur', 'new'): self._toc_mtimes[subdir] = os.path.getmtime(self._paths[subdir]) self._last_read = time.time() # Records last time we read cur/new self._skewfactor = 0.1 # Adjust if os/fs clocks are skewing
def get_string(self, key): """Return a string representation or raise a KeyError.""" try: if self._locked: f = open(os.path.join(self._path, str(key)), 'r+') else: f = open(os.path.join(self._path, str(key)), 'r') except IOError, e: if e.errno == errno.ENOENT: raise KeyError('No message with key: %s' % key) else: raise try: if self._locked: _lock_file(f) try: return f.read() finally: if self._locked: _unlock_file(f) finally: f.close()
def get_message(self, key): """Return a Message representation or raise a KeyError.""" start, stop = self._lookup(key) self._file.seek(start) self._file.readline() # Skip '1,' line specifying labels. original_headers = StringIO.StringIO() while True: line = self._file.readline() if line == '*** EOOH ***' + os.linesep or line == '': break original_headers.write(line.replace(os.linesep, '\n')) visible_headers = StringIO.StringIO() while True: line = self._file.readline() if line == os.linesep or line == '': break visible_headers.write(line.replace(os.linesep, '\n')) body = self._file.read(stop - self._file.tell()).replace(os.linesep, '\n') msg = BabylMessage(original_headers.getvalue() + body) msg.set_visible(visible_headers.getvalue()) if key in self._labels: msg.set_labels(self._labels[key]) return msg
def get_string(self, key): """Return a string representation or raise a KeyError.""" start, stop = self._lookup(key) self._file.seek(start) self._file.readline() # Skip '1,' line specifying labels. original_headers = StringIO.StringIO() while True: line = self._file.readline() if line == '*** EOOH ***' + os.linesep or line == '': break original_headers.write(line.replace(os.linesep, '\n')) while True: line = self._file.readline() if line == os.linesep or line == '': break return original_headers.getvalue() + \ self._file.read(stop - self._file.tell()).replace(os.linesep, '\n')
def __init__(self, dirname, factory=rfc822.Message, create=True): """Initialize a Maildir instance.""" Mailbox.__init__(self, dirname, factory, create) self._paths = { 'tmp': os.path.join(self._path, 'tmp'), 'new': os.path.join(self._path, 'new'), 'cur': os.path.join(self._path, 'cur'), } if not os.path.exists(self._path): if create: os.mkdir(self._path, 0700) for path in self._paths.values(): os.mkdir(path, 0o700) else: raise NoSuchMailboxError(self._path) self._toc = {} self._toc_mtimes = {'cur': 0, 'new': 0} self._last_read = 0 # Records last time we read cur/new self._skewfactor = 0.1 # Adjust if os/fs clocks are skewing
def __init__(self, dirname, factory=None, create=True): """Initialize a Maildir instance.""" Mailbox.__init__(self, dirname, factory, create) self._paths = { 'tmp': os.path.join(self._path, 'tmp'), 'new': os.path.join(self._path, 'new'), 'cur': os.path.join(self._path, 'cur'), } if not os.path.exists(self._path): if create: os.mkdir(self._path, 0o700) for path in self._paths.values(): os.mkdir(path, 0o700) else: raise NoSuchMailboxError(self._path) self._toc = {} self._toc_mtimes = {'cur': 0, 'new': 0} self._last_read = 0 # Records last time we read cur/new self._skewfactor = 0.1 # Adjust if os/fs clocks are skewing
def get_bytes(self, key): """Return a bytes representation or raise a KeyError.""" try: if self._locked: f = open(os.path.join(self._path, str(key)), 'rb+') else: f = open(os.path.join(self._path, str(key)), 'rb') except IOError as e: if e.errno == errno.ENOENT: raise KeyError('No message with key: %s' % key) else: raise try: if self._locked: _lock_file(f) try: return f.read().replace(linesep, b'\n') finally: if self._locked: _unlock_file(f) finally: f.close()
def get_bytes(self, key): """Return a string representation or raise a KeyError.""" start, stop = self._lookup(key) self._file.seek(start) self._file.readline() # Skip b'1,' line specifying labels. original_headers = io.BytesIO() while True: line = self._file.readline() if line == b'*** EOOH ***' + linesep or not line: break original_headers.write(line.replace(linesep, b'\n')) while True: line = self._file.readline() if line == linesep or not line: break headers = original_headers.getvalue() n = stop - self._file.tell() assert n >= 0 data = self._file.read(n) data = data.replace(linesep, b'\n') return headers + data
def __init__(self, message=None): """Initialize a Message instance.""" if isinstance(message, email.message.Message): self._become_message(copy.deepcopy(message)) if isinstance(message, Message): message._explain_to(self) elif isinstance(message, bytes): self._become_message(email.message_from_bytes(message)) elif isinstance(message, str): self._become_message(email.message_from_string(message)) elif isinstance(message, io.TextIOWrapper): self._become_message(email.message_from_file(message)) elif hasattr(message, "read"): self._become_message(email.message_from_binary_file(message)) elif message is None: email.message.Message.__init__(self) else: raise TypeError('Invalid message type: %s' % type(message))
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 get_string(self, key): """Return a string representation or raise a KeyError.""" f = open(os.path.join(self._path, self._lookup(key)), 'r') try: return f.read() finally: f.close()
def _refresh(self): """Update table of contents mapping.""" # If it has been less than two seconds since the last _refresh() call, # we have to unconditionally re-read the mailbox just in case it has # been modified, because os.path.mtime() has a 2 sec resolution in the # most common worst case (FAT) and a 1 sec resolution typically. This # results in a few unnecessary re-reads when _refresh() is called # multiple times in that interval, but once the clock ticks over, we # will only re-read as needed. Because the filesystem might be being # served by an independent system with its own clock, we record and # compare with the mtimes from the filesystem. Because the other # system's clock might be skewing relative to our clock, we add an # extra delta to our wait. The default is one tenth second, but is an # instance variable and so can be adjusted if dealing with a # particularly skewed or irregular system. if time.time() - self._last_read > 2 + self._skewfactor: refresh = False for subdir in self._toc_mtimes: mtime = os.path.getmtime(self._paths[subdir]) if mtime > self._toc_mtimes[subdir]: refresh = True self._toc_mtimes[subdir] = mtime if not refresh: return # Refresh toc self._toc = {} for subdir in self._toc_mtimes: path = self._paths[subdir] for entry in os.listdir(path): p = os.path.join(path, entry) if os.path.isdir(p): continue uniq = entry.split(self.colon)[0] self._toc[uniq] = os.path.join(subdir, entry) self._last_read = time.time()
def get_string(self, key, from_=False): """Return a string representation or raise a KeyError.""" start, stop = self._lookup(key) self._file.seek(start) if not from_: self._file.readline() string = self._file.read(stop - self._file.tell()) return string.replace(os.linesep, '\n')
def __init__(self, message=None): """Initialize a Message instance.""" if isinstance(message, email.message.Message): self._become_message(copy.deepcopy(message)) if isinstance(message, Message): message._explain_to(self) elif isinstance(message, str): self._become_message(email.message_from_string(message)) elif hasattr(message, "read"): self._become_message(email.message_from_file(message)) elif message is None: email.message.Message.__init__(self) else: raise TypeError('Invalid message type: %s' % type(message))
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 get_message(self, key): """Return a Message representation or raise a KeyError.""" start, stop = self._lookup(key) self._file.seek(start) from_line = self._file.readline().replace(os.linesep, '') string = self._file.read(stop - self._file.tell()) msg = self._message_factory(string.replace(os.linesep, '\n')) msg.set_from(from_line[5:]) return msg
def read(self, size=None): """Read bytes.""" return self._read(size, self._file.read)
def get_bytes(self, key): """Return a bytes representation or raise a KeyError.""" f = open(os.path.join(self._path, self._lookup(key)), 'rb') try: return f.read().replace(linesep, b'\n') finally: f.close()
def get_bytes(self, key, from_=False): """Return a string representation or raise a KeyError.""" start, stop = self._lookup(key) self._file.seek(start) if not from_: self._file.readline() string = self._file.read(stop - self._file.tell()) return string.replace(linesep, b'\n')
