mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-11-10 19:46:36 +03:00
Improvements to file uploading and progress added
Now you can let the file part size be determined by the total file size, rather than manually specifying one. Also, a callback function parameter has been added (which allows to print the progress)
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15994d0b78
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@ -27,6 +27,16 @@ def print_title(title):
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print('└{}┘'.format('─' * available_cols))
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def bytes_to_string(byte_count):
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"""Converts a byte count to a string (in KB, MB...)"""
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suffix_index = 0
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while byte_count >= 1024:
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byte_count /= 1024
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suffix_index += 1
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return '{:.2f}{}'.format(byte_count, [' bytes', 'KB', 'MB', 'GB', 'TB'][suffix_index])
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class InteractiveTelegramClient(TelegramClient):
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def __init__(self, session_user_id, user_phone, layer, api_id, api_hash):
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print_title('Initialization')
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@ -160,7 +170,7 @@ class InteractiveTelegramClient(TelegramClient):
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def send_photo(self, path, peer):
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print('Uploading {}...'.format(path))
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input_file = self.upload_file(path)
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input_file = self.upload_file(path, progress_callback=self.upload_progress_callback)
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# After we have the handle to the uploaded file, send it to our peer
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self.send_photo_file(input_file, peer)
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@ -168,7 +178,7 @@ class InteractiveTelegramClient(TelegramClient):
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def send_document(self, path, peer):
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print('Uploading {}...'.format(path))
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input_file = self.upload_file(path)
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input_file = self.upload_file(path, progress_callback=self.upload_progress_callback)
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# After we have the handle to the uploaded file, send it to our peer
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self.send_document_file(input_file, peer)
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@ -185,12 +195,30 @@ class InteractiveTelegramClient(TelegramClient):
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# Let the output be the message ID
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output = str('usermedia/{}'.format(msg_media_id))
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print('Downloading media with name {}...'.format(output))
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output = self.download_msg_media(msg.media, file_path=output)
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output = self.download_msg_media(msg.media,
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file_path=output,
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progress_callback=self.download_progress_callback)
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print('Media downloaded to {}!'.format(output))
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except ValueError:
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print('Invalid media ID given!')
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@staticmethod
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def download_progress_callback(downloaded_bytes, total_bytes):
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InteractiveTelegramClient.print_progress('Downloaded', downloaded_bytes, total_bytes)
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@staticmethod
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def upload_progress_callback(uploaded_bytes, total_bytes):
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InteractiveTelegramClient.print_progress('Uploaded', uploaded_bytes, total_bytes)
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@staticmethod
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def print_progress(progress_type, downloaded_bytes, total_bytes):
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print('{} {} out of {} ({:.2%})'.format(
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progress_type,
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bytes_to_string(downloaded_bytes),
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bytes_to_string(total_bytes),
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downloaded_bytes / total_bytes))
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@staticmethod
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def update_handler(update_object):
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if type(update_object) is UpdateShortMessage:
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@ -189,7 +189,6 @@ class TelegramClient:
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except:
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return False
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# endregion
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# region Dialogs ("chats") requests
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@ -269,9 +268,19 @@ class TelegramClient:
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# be handled through a separate session and a separate connection"
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# region Uploading media requests
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def upload_file(self, file_path, part_size_kb=64, file_name=None):
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"""Uploads the specified media with the given chunk (part) size, in KB.
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If no custom file name is specified, the real file name will be used"""
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def upload_file(self, file_path, part_size_kb=None, file_name=None, progress_callback=None):
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"""Uploads the specified file_path and returns a handle which can be later used
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:param file_path: The file path of the file that will be uploaded
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:param part_size_kb: The part size when uploading the file. None = Automatic
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:param file_name: The name of the uploaded file. None = Automatic
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:param progress_callback: A callback function which takes two parameters,
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uploaded size (in bytes) and total file size (in bytes)
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This is called every time a part is uploaded
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"""
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file_size = path.getsize(file_path)
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if not part_size_kb:
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part_size_kb = self.find_appropiate_part_size(file_size)
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if part_size_kb > 512:
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raise ValueError('The part size must be less or equal to 512KB')
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@ -282,7 +291,6 @@ class TelegramClient:
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# Determine whether the file is too big (over 10MB) or not
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# Telegram does make a distinction between smaller or larger files
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file_size = path.getsize(file_path)
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is_large = file_size > 10 * 1024 * 1024
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part_count = (file_size + part_size - 1) // part_size
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@ -307,6 +315,8 @@ class TelegramClient:
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result = self.invoke(request)
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if result:
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hash_md5.update(part)
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if progress_callback:
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progress_callback(file.tell(), file_size)
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else:
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raise ValueError('Could not upload file part #{}'.format(part_index))
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@ -357,24 +367,34 @@ class TelegramClient:
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# region Downloading media requests
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def download_msg_media(self, message_media, file_path, add_extension=True):
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def download_msg_media(self, message_media, file_path, add_extension=True, progress_callback=None):
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"""Downloads the given MessageMedia (Photo, Document or Contact)
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into the desired file_path, optionally finding its extension automatically"""
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into the desired file_path, optionally finding its extension automatically
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The progress_callback should be a callback function which takes two parameters,
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uploaded size (in bytes) and total file size (in bytes).
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This will be called every time a part is downloaded"""
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if type(message_media) == MessageMediaPhoto:
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return self.download_photo(message_media, file_path, add_extension)
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return self.download_photo(message_media, file_path, add_extension, progress_callback)
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elif type(message_media) == MessageMediaDocument:
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return self.download_document(message_media, file_path, add_extension)
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return self.download_document(message_media, file_path, add_extension, progress_callback)
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elif type(message_media) == MessageMediaContact:
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return self.download_contact(message_media, file_path, add_extension)
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def download_photo(self, message_media_photo, file_path, add_extension=False):
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def download_photo(self, message_media_photo, file_path, add_extension=False,
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progress_callback=None):
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"""Downloads MessageMediaPhoto's largest size into the desired
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file_path, optionally finding its extension automatically"""
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file_path, optionally finding its extension automatically
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The progress_callback should be a callback function which takes two parameters,
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uploaded size (in bytes) and total file size (in bytes).
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This will be called every time a part is downloaded"""
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# Determine the photo and its largest size
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photo = message_media_photo.photo
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largest_size = photo.sizes[-1].location
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largest_size = photo.sizes[-1]
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file_size = largest_size.size
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largest_size = largest_size.location
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# Photos are always compressed into a .jpg by Telegram
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if add_extension:
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@ -383,14 +403,20 @@ class TelegramClient:
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# Download the media with the largest size input file location
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self.download_file_loc(InputFileLocation(volume_id=largest_size.volume_id,
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local_id=largest_size.local_id,
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secret=largest_size.secret), file_path)
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secret=largest_size.secret),
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file_path, file_size, progress_callback)
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return file_path
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def download_document(self, message_media_document, file_path=None, add_extension=True):
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def download_document(self, message_media_document, file_path=None, add_extension=True,
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progress_callback=None):
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"""Downloads the given MessageMediaDocument into the desired
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file_path, optionally finding its extension automatically.
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If no file_path is given, it will _try_ to be guessed from the document"""
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If no file_path is given, it will try to be guessed from the document
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The progress_callback should be a callback function which takes two parameters,
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uploaded size (in bytes) and total file size (in bytes).
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This will be called every time a part is downloaded"""
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document = message_media_document.document
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file_size = document.size
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# If no file path was given, try to guess it from the attributes
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if file_path is None:
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@ -413,7 +439,8 @@ class TelegramClient:
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self.download_file_loc(InputDocumentFileLocation(id=document.id,
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access_hash=document.access_hash,
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version=document.version), file_path)
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version=document.version),
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file_path, file_size, progress_callback)
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return file_path
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@ -443,8 +470,17 @@ class TelegramClient:
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return file_path
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def download_file_loc(self, input_location, file_path, part_size_kb=64):
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"""Downloads media from the given input_file_location to the specified file_path"""
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def download_file_loc(self, input_location, file_path, part_size_kb=64,
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file_size=None, progress_callback=None):
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"""Downloads media from the given input_file_location to the specified file_path.
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If a progress_callback function is given, it will be called taking two
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arguments (downloaded bytes count and total file size)"""
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if not part_size_kb:
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if not file_size:
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raise ValueError('A part size value must be provided')
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else:
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part_size_kb = self.find_appropiate_part_size(file_size)
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part_size = int(part_size_kb * 1024)
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if part_size % 1024 != 0:
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@ -468,6 +504,8 @@ class TelegramClient:
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return result.type # Return some extra information
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file.write(result.bytes)
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if progress_callback:
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progress_callback(file.tell(), file_size)
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# endregion
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@ -517,6 +555,21 @@ class TelegramClient:
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except StopIteration:
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return None
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@staticmethod
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def find_appropiate_part_size(file_size):
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if file_size <= 1048576: # 1MB
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return 32
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if file_size <= 10485760: # 10MB
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return 64
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if file_size <= 393216000: # 375MB
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return 128
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if file_size <= 786432000: # 750MB
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return 256
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if file_size <= 1572864000: # 1500MB
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return 512
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raise ValueError('File size too large')
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# endregion
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# region Updates handling
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