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101 lines
3.3 KiB
Python
101 lines
3.3 KiB
Python
from ..functions.messages import SaveDraftRequest
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from ..types import UpdateDraftMessage, DraftMessage
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from ...extensions import markdown
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class Draft:
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"""
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Custom class that encapsulates a draft on the Telegram servers, providing
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an abstraction to change the message conveniently. The library will return
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instances of this class when calling ``client.get_drafts()``.
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"""
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def __init__(self, client, peer, draft):
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self._client = client
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self._peer = peer
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if not draft:
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draft = DraftMessage('', None, None, None, None)
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self._text = markdown.unparse(draft.message, draft.entities)
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self._raw_text = draft.message
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self.date = draft.date
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self.no_webpage = draft.no_webpage
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self.reply_to_msg_id = draft.reply_to_msg_id
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@classmethod
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def _from_update(cls, client, update):
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if not isinstance(update, UpdateDraftMessage):
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raise TypeError(
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'You can only create a new `Draft` from a corresponding '
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'`UpdateDraftMessage` object.'
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)
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return cls(client=client, peer=update.peer, draft=update.draft)
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@property
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def entity(self):
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return self._client.get_entity(self._peer)
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@property
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def input_entity(self):
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return self._client.get_input_entity(self._peer)
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@property
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def text(self):
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return self._text
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@property
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def raw_text(self):
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return self._raw_text
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def set_message(self, text, no_webpage=None, reply_to_msg_id=None,
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parse_mode='md'):
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"""
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Changes the draft message on the Telegram servers. The changes are
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reflected in this object. Changing only individual attributes like for
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example the ``reply_to_msg_id`` should be done by providing the current
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values of this object, like so:
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draft.set_message(
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draft.text,
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no_webpage=draft.no_webpage,
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reply_to_msg_id=NEW_VALUE,
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entities=draft.entities
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)
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:param str text: New text of the draft.
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:param bool no_webpage: Whether to attach a web page preview.
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:param int reply_to_msg_id: Message id to reply to.
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:param str parse_mode: The parse mode to be used for the text.
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:return bool: ``True`` on success.
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"""
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raw_text, entities = self._client._parse_message_text(text, parse_mode)
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result = self._client(SaveDraftRequest(
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peer=self._peer,
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message=raw_text,
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no_webpage=no_webpage,
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reply_to_msg_id=reply_to_msg_id,
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entities=entities
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))
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if result:
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self._text = text
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self._raw_text = raw_text
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self.no_webpage = no_webpage
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self.reply_to_msg_id = reply_to_msg_id
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return result
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def send(self, clear=True, parse_mode='md'):
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self._client.send_message(self._peer, self.text,
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reply_to=self.reply_to_msg_id,
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link_preview=not self.no_webpage,
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parse_mode=parse_mode,
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clear_draft=clear)
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def delete(self):
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"""
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Deletes this draft
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:return bool: ``True`` on success
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"""
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return self.set_message(text='')
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