r"""Print the message object tree rooted at msg to the output file specified when the Generator instance was created. unixfrom is a flag that forces the printing of a Unix From_ delimiter before the first object in the message tree. If the original message has no Fr
(self, msg, unixfrom=False, linesep=None)
| 71 | self._fp.write(s) |
| 72 | |
| 73 | def flatten(self, msg, unixfrom=False, linesep=None): |
| 74 | r"""Print the message object tree rooted at msg to the output file |
| 75 | specified when the Generator instance was created. |
| 76 | |
| 77 | unixfrom is a flag that forces the printing of a Unix From_ delimiter |
| 78 | before the first object in the message tree. If the original message |
| 79 | has no From_ delimiter, a `standard' one is crafted. By default, this |
| 80 | is False to inhibit the printing of any From_ delimiter. |
| 81 | |
| 82 | Note that for subobjects, no From_ line is printed. |
| 83 | |
| 84 | linesep specifies the characters used to indicate a new line in |
| 85 | the output. The default value is determined by the policy specified |
| 86 | when the Generator instance was created or, if none was specified, |
| 87 | from the policy associated with the msg. |
| 88 | |
| 89 | """ |
| 90 | # We use the _XXX constants for operating on data that comes directly |
| 91 | # from the msg, and _encoded_XXX constants for operating on data that |
| 92 | # has already been converted (to bytes in the BytesGenerator) and |
| 93 | # inserted into a temporary buffer. |
| 94 | policy = msg.policy if self.policy is None else self.policy |
| 95 | if linesep is not None: |
| 96 | policy = policy.clone(linesep=linesep) |
| 97 | if self.maxheaderlen is not None: |
| 98 | policy = policy.clone(max_line_length=self.maxheaderlen) |
| 99 | self._NL = policy.linesep |
| 100 | self._encoded_NL = self._encode(self._NL) |
| 101 | self._EMPTY = '' |
| 102 | self._encoded_EMPTY = self._encode(self._EMPTY) |
| 103 | # Because we use clone (below) when we recursively process message |
| 104 | # subparts, and because clone uses the computed policy (not None), |
| 105 | # submessages will automatically get set to the computed policy when |
| 106 | # they are processed by this code. |
| 107 | old_gen_policy = self.policy |
| 108 | old_msg_policy = msg.policy |
| 109 | try: |
| 110 | self.policy = policy |
| 111 | msg.policy = policy |
| 112 | if unixfrom: |
| 113 | ufrom = msg.get_unixfrom() |
| 114 | if not ufrom: |
| 115 | ufrom = 'From nobody ' + time.ctime(time.time()) |
| 116 | self.write(ufrom + self._NL) |
| 117 | self._write(msg) |
| 118 | finally: |
| 119 | self.policy = old_gen_policy |
| 120 | msg.policy = old_msg_policy |
| 121 | |
| 122 | def clone(self, fp): |
| 123 | """Clone this generator with the exact same options.""" |