LonamiWebs/Telethon
1
1
Fork 0
mirror of https://github.com/LonamiWebs/Telethon.git synced 2024-11-22 01:16:35 +03:00
Code Issues Packages Projects Releases Wiki Activity

Improvements to file uploading and progress added

Browse Source 
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)
This commit is contained in:
Lonami 2016-09-17 17:04:30 +02:00
parent 15994d0b78
commit 27ec7292d8
2 changed files with 102 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
interactive_telegram_client.py
View File

@ -27,6 +27,16 @@ def print_title(title):
print('└{}┘'.format('─' * available_cols))
def bytes_to_string(byte_count):
"""Converts a byte count to a string (in KB, MB...)"""
suffix_index = 0
while byte_count >= 1024:
byte_count /= 1024
suffix_index += 1
return '{:.2f}{}'.format(byte_count, [' bytes', 'KB', 'MB', 'GB', 'TB'][suffix_index])
class InteractiveTelegramClient(TelegramClient):
def __init__(self, session_user_id, user_phone, layer, api_id, api_hash):
print_title('Initialization')
@ -160,7 +170,7 @@ class InteractiveTelegramClient(TelegramClient):
def send_photo(self, path, peer):
print('Uploading {}...'.format(path))
input_file = self.upload_file(path)
input_file = self.upload_file(path, progress_callback=self.upload_progress_callback)
# After we have the handle to the uploaded file, send it to our peer
self.send_photo_file(input_file, peer)
@ -168,7 +178,7 @@ class InteractiveTelegramClient(TelegramClient):
def send_document(self, path, peer):
print('Uploading {}...'.format(path))
input_file = self.upload_file(path)
input_file = self.upload_file(path, progress_callback=self.upload_progress_callback)
# After we have the handle to the uploaded file, send it to our peer
self.send_document_file(input_file, peer)
@ -185,12 +195,30 @@ class InteractiveTelegramClient(TelegramClient):
# Let the output be the message ID
output = str('usermedia/{}'.format(msg_media_id))
print('Downloading media with name {}...'.format(output))
output = self.download_msg_media(msg.media, file_path=output)
output = self.download_msg_media(msg.media,
file_path=output,
progress_callback=self.download_progress_callback)
print('Media downloaded to {}!'.format(output))
except ValueError:
print('Invalid media ID given!')
@staticmethod
def download_progress_callback(downloaded_bytes, total_bytes):
InteractiveTelegramClient.print_progress('Downloaded', downloaded_bytes, total_bytes)
@staticmethod
def upload_progress_callback(uploaded_bytes, total_bytes):
InteractiveTelegramClient.print_progress('Uploaded', uploaded_bytes, total_bytes)
@staticmethod
def print_progress(progress_type, downloaded_bytes, total_bytes):
print('{} {} out of {} ({:.2%})'.format(
progress_type,
bytes_to_string(downloaded_bytes),
bytes_to_string(total_bytes),
downloaded_bytes / total_bytes))
@staticmethod
def update_handler(update_object):
if type(update_object) is UpdateShortMessage:

89
telegram_client.py
View File

@ -189,7 +189,6 @@ class TelegramClient:
except:
return False
# endregion
# region Dialogs ("chats") requests
@ -269,9 +268,19 @@ class TelegramClient:
# be handled through a separate session and a separate connection"
# region Uploading media requests
def upload_file(self, file_path, part_size_kb=64, file_name=None):
"""Uploads the specified media with the given chunk (part) size, in KB.
If no custom file name is specified, the real file name will be used"""
def upload_file(self, file_path, part_size_kb=None, file_name=None, progress_callback=None):
"""Uploads the specified file_path and returns a handle which can be later used
:param file_path: The file path of the file that will be uploaded
:param part_size_kb: The part size when uploading the file. None = Automatic
:param file_name: The name of the uploaded file. None = Automatic
:param progress_callback: A callback function which takes two parameters,
uploaded size (in bytes) and total file size (in bytes)
This is called every time a part is uploaded
"""
file_size = path.getsize(file_path)
if not part_size_kb:
part_size_kb = self.find_appropiate_part_size(file_size)
if part_size_kb > 512:
raise ValueError('The part size must be less or equal to 512KB')
@ -282,7 +291,6 @@ class TelegramClient:
# Determine whether the file is too big (over 10MB) or not
# Telegram does make a distinction between smaller or larger files
file_size = path.getsize(file_path)
is_large = file_size > 10 * 1024 * 1024
part_count = (file_size + part_size - 1) // part_size
@ -307,6 +315,8 @@ class TelegramClient:
result = self.invoke(request)
if result:
hash_md5.update(part)
if progress_callback:
progress_callback(file.tell(), file_size)
else:
raise ValueError('Could not upload file part #{}'.format(part_index))
@ -357,24 +367,34 @@ class TelegramClient:
# region Downloading media requests
def download_msg_media(self, message_media, file_path, add_extension=True):
def download_msg_media(self, message_media, file_path, add_extension=True, progress_callback=None):
"""Downloads the given MessageMedia (Photo, Document or Contact)
into the desired file_path, optionally finding its extension automatically"""
into the desired file_path, optionally finding its extension automatically
The progress_callback should be a callback function which takes two parameters,
uploaded size (in bytes) and total file size (in bytes).
This will be called every time a part is downloaded"""
if type(message_media) == MessageMediaPhoto:
return self.download_photo(message_media, file_path, add_extension)
return self.download_photo(message_media, file_path, add_extension, progress_callback)
elif type(message_media) == MessageMediaDocument:
return self.download_document(message_media, file_path, add_extension)
return self.download_document(message_media, file_path, add_extension, progress_callback)
elif type(message_media) == MessageMediaContact:
return self.download_contact(message_media, file_path, add_extension)
def download_photo(self, message_media_photo, file_path, add_extension=False):
def download_photo(self, message_media_photo, file_path, add_extension=False,
progress_callback=None):
"""Downloads MessageMediaPhoto's largest size into the desired
file_path, optionally finding its extension automatically"""
file_path, optionally finding its extension automatically
The progress_callback should be a callback function which takes two parameters,
uploaded size (in bytes) and total file size (in bytes).
This will be called every time a part is downloaded"""
# Determine the photo and its largest size
photo = message_media_photo.photo
largest_size = photo.sizes[-1].location
largest_size = photo.sizes[-1]
file_size = largest_size.size
largest_size = largest_size.location
# Photos are always compressed into a .jpg by Telegram
if add_extension:
@ -383,14 +403,20 @@ class TelegramClient:
# Download the media with the largest size input file location
self.download_file_loc(InputFileLocation(volume_id=largest_size.volume_id,
local_id=largest_size.local_id,
secret=largest_size.secret), file_path)
secret=largest_size.secret),
file_path, file_size, progress_callback)
return file_path
def download_document(self, message_media_document, file_path=None, add_extension=True):
def download_document(self, message_media_document, file_path=None, add_extension=True,
progress_callback=None):
"""Downloads the given MessageMediaDocument into the desired
file_path, optionally finding its extension automatically.
If no file_path is given, it will _try_ to be guessed from the document"""
If no file_path is given, it will try to be guessed from the document
The progress_callback should be a callback function which takes two parameters,
uploaded size (in bytes) and total file size (in bytes).
This will be called every time a part is downloaded"""
document = message_media_document.document
file_size = document.size
# If no file path was given, try to guess it from the attributes
if file_path is None:
@ -413,7 +439,8 @@ class TelegramClient:
self.download_file_loc(InputDocumentFileLocation(id=document.id,
access_hash=document.access_hash,
version=document.version), file_path)
version=document.version),
file_path, file_size, progress_callback)
return file_path
@ -443,8 +470,17 @@ class TelegramClient:
return file_path
def download_file_loc(self, input_location, file_path, part_size_kb=64):
"""Downloads media from the given input_file_location to the specified file_path"""
def download_file_loc(self, input_location, file_path, part_size_kb=64,
file_size=None, progress_callback=None):
"""Downloads media from the given input_file_location to the specified file_path.
If a progress_callback function is given, it will be called taking two
arguments (downloaded bytes count and total file size)"""
if not part_size_kb:
if not file_size:
raise ValueError('A part size value must be provided')
else:
part_size_kb = self.find_appropiate_part_size(file_size)
part_size = int(part_size_kb * 1024)
if part_size % 1024 != 0:
@ -468,6 +504,8 @@ class TelegramClient:
return result.type # Return some extra information
file.write(result.bytes)
if progress_callback:
progress_callback(file.tell(), file_size)
# endregion
@ -517,6 +555,21 @@ class TelegramClient:
except StopIteration:
return None
@staticmethod
def find_appropiate_part_size(file_size):
if file_size <= 1048576: # 1MB
return 32
if file_size <= 10485760: # 10MB
return 64
if file_size <= 393216000: # 375MB
return 128
if file_size <= 786432000: # 750MB
return 256
if file_size <= 1572864000: # 1500MB
return 512
raise ValueError('File size too large')
# endregion
# region Updates handling