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Remove markdown "parser" since that's not Telethon-specific
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Lonami Exo
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commit
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from .markdown_parser import parse_message_entities
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from ..tl.types import (MessageEntityBold, MessageEntityCode,
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MessageEntityItalic, MessageEntityTextUrl)
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def parse_message_entities(msg):
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"""Parses a message and returns the parsed message and the entities (bold, italic...).
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Note that although markdown-like syntax is used, this does not reflect the complete specification!"""
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# Store the entities here
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entities = []
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# Convert the message to a mutable list
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msg = list(msg)
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# First, let's handle all the text links in the message, so afterwards it's clean
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# for us to get our hands dirty with the other indicators (bold, italic and fixed)
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url_indices = [None] * 4 # start/end text index, start/end url index
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valid_url_indices = [] # all the valid url_indices found
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for i, c in enumerate(msg):
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if c is '[':
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url_indices[0] = i
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# From now on, also ensure that the last item was set
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elif c == ']' and url_indices[0]:
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url_indices[1] = i
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elif c == '(' and url_indices[1]:
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# If the previous index (']') is not exactly before the current index ('('),
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# then it's not a valid text link, so clear the previous state
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if url_indices[1] != i - 1:
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url_indices[:2] = [None] * 2
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else:
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url_indices[2] = i
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elif c == ')' and url_indices[2]:
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# We have succeeded to find a markdown-like text link!
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url_indices[3] = i
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valid_url_indices.append(url_indices[:]) # Append a copy
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url_indices = [None] * 4
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# Iterate in reverse order to clean the text from the urls
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# (not to affect previous indices) and append MessageEntityTextUrl's
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for i in range(len(valid_url_indices) - 1, -1, -1):
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vui = valid_url_indices[i]
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# Add 1 when slicing the message not to include the [] nor ()
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# There is no need to subtract 1 on the later part because that index is already excluded
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link_text = ''.join(msg[vui[0] + 1:vui[1]])
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link_url = ''.join(msg[vui[2] + 1:vui[3]])
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# After we have retrieved both the link text and url, replace them in the message
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# Now we do have to add 1 to include the [] and () when deleting and replacing!
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del msg[vui[2]:vui[3] + 1]
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msg[vui[0]:vui[1] + 1] = link_text
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# Finally, update the current valid index url to reflect that all the previous VUI's will be removed
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# This is because, after the previous VUI's get done, their part of the message is removed too,
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# hence we need to update the current VUI subtracting that removed part length
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for prev_vui in valid_url_indices[:i]:
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prev_vui_length = prev_vui[3] - prev_vui[2] - 1
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displacement = prev_vui_length + len('[]()')
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vui[0] -= displacement
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vui[1] -= displacement
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# No need to subtract the displacement from the URL part (indices 2 and 3)
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# When calculating the length, subtract 1 again not to include the previously called ']'
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entities.append(
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MessageEntityTextUrl(
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offset=vui[0], length=vui[1] - vui[0] - 1, url=link_url))
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# After the message is clean from links, handle all the indicator flags
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indicator_flags = {'*': None, '_': None, '`': None}
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# Iterate over the list to find the indicators of entities
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for i, c in enumerate(msg):
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# Only perform further check if the current character is an indicator
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if c in indicator_flags:
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# If it is the first time we find this indicator, update its index
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if indicator_flags[c] is None:
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indicator_flags[c] = i
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# Otherwise, it means that we found it before. Hence, the message entity *is* complete
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else:
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# Then we have found a new whole valid entity
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offset = indicator_flags[c]
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length = i - offset - 1 # Subtract -1 not to include the indicator itself
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# Add the corresponding entity
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if c == '*':
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entities.append(
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MessageEntityBold(
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offset=offset, length=length))
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elif c == '_':
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entities.append(
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MessageEntityItalic(
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offset=offset, length=length))
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elif c == '`':
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entities.append(
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MessageEntityCode(
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offset=offset, length=length))
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# Clear the flag to start over with this indicator
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indicator_flags[c] = None
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# Sort the entities by their offset first
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entities = sorted(entities, key=lambda e: e.offset)
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# Now that all the entities have been found and sorted, remove
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# their indicators from the message and update the offsets
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for entity in entities:
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if type(entity) is not MessageEntityTextUrl:
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# Clean the message from the current entity's indicators
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del msg[entity.offset + entity.length + 1]
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del msg[entity.offset]
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# Iterate over all the entities but the current
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for sub_entity in [e for e in entities if e is not entity]:
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# First case, one in one out: so*me_th_in*g.
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# In this case, the current entity length is decreased by two,
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# and all the sub_entities offset decreases 1
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if (sub_entity.offset > entity.offset and
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sub_entity.offset + sub_entity.length <
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entity.offset + entity.length):
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entity.length -= 2
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sub_entity.offset -= 1
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# Second case, both inside: so*me_th*in_g.
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# In this case, the current entity length is decreased by one,
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# and all the sub_entities offset and length decrease 1
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elif (entity.offset < sub_entity.offset < entity.offset +
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entity.length < sub_entity.offset + sub_entity.length):
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entity.length -= 1
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sub_entity.offset -= 1
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sub_entity.length -= 1
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# Third case, both outside: so*me*th_in_g.
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# In this case, the current entity is left untouched,
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# and all the sub_entities offset decreases 2
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elif sub_entity.offset > entity.offset + entity.length:
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sub_entity.offset -= 2
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# Finally, we can join our poor mutilated message back and return
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msg = ''.join(msg)
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return msg, entities
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@ -15,8 +15,6 @@ from .errors import (RPCError, UnauthorizedError, InvalidParameterError,
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PhoneCodeExpiredError, PhoneCodeHashEmptyError,
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PhoneCodeInvalidError)
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from .parser.markdown_parser import parse_message_entities
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# For sending and receiving requests
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from .tl import MTProtoRequest, Session, JsonSession
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@ -424,22 +422,16 @@ class TelegramClient(TelegramBareClient):
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def send_message(self,
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entity,
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message,
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markdown=False,
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no_web_page=False):
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"""Sends a message to the given entity (or input peer)
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and returns the sent message ID"""
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if markdown:
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msg, entities = parse_message_entities(message)
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else:
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msg, entities = message, []
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msg_id = utils.generate_random_long()
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self.invoke(
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SendMessageRequest(
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peer=get_input_peer(entity),
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message=msg,
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message=message,
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random_id=msg_id,
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entities=entities,
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entities=[],
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no_webpage=no_web_page))
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return msg_id
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@ -214,7 +214,7 @@ class InteractiveTelegramClient(TelegramClient):
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# Send chat message (if any)
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elif msg:
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self.send_message(
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entity, msg, markdown=True, no_web_page=True)
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entity, msg, no_web_page=True)
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def send_photo(self, path, entity):
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print('Uploading {}...'.format(path))
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