mirror of
https://github.com/Yuvi9587/Kemono-Downloader.git
synced 2025-12-29 16:14:44 +00:00
212 lines
8.6 KiB
Python
212 lines
8.6 KiB
Python
from mega import Mega
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import os
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import requests
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import traceback
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from urllib .parse import urlparse ,urlunparse ,parse_qs ,urlencode
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try :
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import gdown
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GDOWN_AVAILABLE =True
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except ImportError :
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GDOWN_AVAILABLE =False
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def download_mega_file (mega_link ,download_path =".",logger_func =print ):
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"""
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Downloads a file from a public Mega.nz link.
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Args:
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mega_link (str): The public Mega.nz link to the file.
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download_path (str, optional): The directory to save the downloaded file.
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Defaults to the current directory.
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logger_func (callable, optional): Function to use for logging. Defaults to print.
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"""
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logger_func ("Initializing Mega client...")
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mega_client =Mega ()
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m =mega_client .login ()
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logger_func (f"Attempting to download from: {mega_link }")
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try :
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if not os .path .exists (download_path ):
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logger_func (f"Download path '{download_path }' does not exist. Creating it...")
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os .makedirs (download_path ,exist_ok =True )
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logger_func (f"Starting download to '{download_path }'...")
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file_handle =m .download_url (mega_link ,dest_path =download_path )
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if file_handle :
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logger_func (f"File downloaded successfully! (Handle: {file_handle })")
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try :
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info =m .get_public_url_info (mega_link )
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filename =info .get ('name','downloaded_file')
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full_download_path =os .path .join (download_path ,filename )
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logger_func (f"Downloaded file should be at: {full_download_path }")
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if not os .path .exists (full_download_path ):
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logger_func (f"Warning: Expected file '{full_download_path }' not found. The library might have saved it with a different name or failed silently after appearing to succeed.")
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except Exception as e_info :
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logger_func (f"Could not retrieve file info to confirm filename: {e_info }")
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else :
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logger_func ("Download failed. The download_url method did not return a file handle.")
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except PermissionError :
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logger_func (f"Error: Permission denied to write to '{download_path }'. Please check permissions.")
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except FileNotFoundError :
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logger_func (f"Error: The specified download path '{download_path }' is invalid or a component was not found.")
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except ConnectionError as e :
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logger_func (f"Error: Connection problem. {e }")
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except requests .exceptions .RequestException as e :
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logger_func (f"Error during request to Mega: {e }")
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except Exception as e :
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logger_func (f"An error occurred during Mega download: {e }")
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traceback .print_exc ()
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def download_gdrive_file (gdrive_link ,download_path =".",logger_func =print ):
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"""
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Downloads a file from a public Google Drive link.
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Args:
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gdrive_link (str): The public Google Drive link to the file.
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download_path (str, optional): The directory to save the downloaded file.
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Defaults to the current directory.
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logger_func (callable, optional): Function to use for logging. Defaults to print.
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"""
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if not GDOWN_AVAILABLE :
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logger_func ("❌ Error: gdown library is not installed. Cannot download from Google Drive.")
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logger_func ("Please install it: pip install gdown")
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raise ImportError ("gdown library not found. Please install it: pip install gdown")
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logger_func (f"Attempting to download from Google Drive: {gdrive_link }")
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try :
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if not os .path .exists (download_path ):
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logger_func (f"Download path '{download_path }' does not exist. Creating it...")
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os .makedirs (download_path ,exist_ok =True )
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logger_func (f"Starting Google Drive download to '{download_path }'...")
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output_file_path =gdown .download (gdrive_link ,output =download_path ,quiet =False ,fuzzy =True )
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if output_file_path and os .path .exists (os .path .join (download_path ,os .path .basename (output_file_path ))):
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logger_func (f"✅ Google Drive file downloaded successfully: {output_file_path }")
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elif output_file_path :
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full_path_check =os .path .join (download_path ,output_file_path )
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if os .path .exists (full_path_check ):
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logger_func (f"✅ Google Drive file downloaded successfully: {full_path_check }")
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else :
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logger_func (f"⚠️ Google Drive download finished, gdown returned '{output_file_path }', but file not found at expected location.")
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logger_func (f" Please check '{download_path }' for the downloaded file, it might have a different name than expected by gdown's return.")
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files_in_dest =[f for f in os .listdir (download_path )if os .path .isfile (os .path .join (download_path ,f ))]
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if len (files_in_dest )==1 :
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logger_func (f" Found one file in destination: {os .path .join (download_path ,files_in_dest [0 ])}. Assuming this is it.")
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elif len (files_in_dest )>1 and output_file_path in files_in_dest :
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logger_func (f" Confirmed file '{output_file_path }' exists in '{download_path }'.")
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else :
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raise Exception (f"gdown download failed or file not found. Returned: {output_file_path }")
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else :
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logger_func ("❌ Google Drive download failed. gdown did not return an output path.")
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raise Exception ("gdown download failed.")
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except PermissionError :
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logger_func (f"❌ Error: Permission denied to write to '{download_path }'. Please check permissions.")
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raise
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except Exception as e :
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logger_func (f"❌ An error occurred during Google Drive download: {e }")
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traceback .print_exc ()
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raise
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def _get_filename_from_headers (headers ):
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cd =headers .get ('content-disposition')
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if not cd :
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return None
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fname_match =re .findall ('filename="?([^"]+)"?',cd )
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if fname_match :
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return fname_match [0 ].strip ()
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return None
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def download_dropbox_file (dropbox_link ,download_path =".",logger_func =print ):
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"""
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Downloads a file from a public Dropbox link.
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Args:
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dropbox_link (str): The public Dropbox link to the file.
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download_path (str, optional): The directory to save the downloaded file.
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Defaults to the current directory.
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logger_func (callable, optional): Function to use for logging. Defaults to print.
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"""
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logger_func (f"Attempting to download from Dropbox: {dropbox_link }")
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parsed_url =urlparse (dropbox_link )
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query_params =parse_qs (parsed_url .query )
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query_params ['dl']=['1']
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new_query =urlencode (query_params ,doseq =True )
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direct_download_url =urlunparse (parsed_url ._replace (query =new_query ))
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logger_func (f" Using direct download URL: {direct_download_url }")
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try :
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if not os .path .exists (download_path ):
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logger_func (f"Download path '{download_path }' does not exist. Creating it...")
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os .makedirs (download_path ,exist_ok =True )
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with requests .get (direct_download_url ,stream =True ,allow_redirects =True ,timeout =(10 ,300 ))as r :
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r .raise_for_status ()
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filename =_get_filename_from_headers (r .headers )or os .path .basename (urlparse (dropbox_link ).path )or "dropbox_downloaded_file"
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filename =re .sub (r'[<>:"/\\|?*]','_',filename )
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full_save_path =os .path .join (download_path ,filename )
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logger_func (f"Starting Dropbox download of '{filename }' to '{full_save_path }'...")
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with open (full_save_path ,'wb')as f :
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for chunk in r .iter_content (chunk_size =8192 ):
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f .write (chunk )
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logger_func (f"✅ Dropbox file downloaded successfully: {full_save_path }")
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except Exception as e :
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logger_func (f"❌ An error occurred during Dropbox download: {e }")
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traceback .print_exc ()
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raise
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if __name__ =="__main__":
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mega_file_link ="https://mega.nz/file/03oRjBQT#Tcbp5sQVIyPbdmv8sLgbb9Lf9AZvZLdKRSQiuXkNW0k"
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if not mega_file_link .startswith ("https://mega.nz/file/"):
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print ("Invalid Mega file link format. It should start with 'https://mega.nz/file/'.")
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else :
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script_dir =os .path .dirname (os .path .abspath (__file__ ))
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download_directory =os .path .join (script_dir ,"mega_downloads")
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print (f"Files will be downloaded to: {download_directory }")
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download_mega_file (mega_file_link ,download_directory ,logger_func =print )
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