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Copy pathdownloader.py
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200 lines (169 loc) · 7.82 KB
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import os
import subprocess
import time
import requests
import shutil
from requests.exceptions import RequestException, Timeout
from urllib.parse import urlparse, unquote
def download_video(video_url, draft_name, material_name):
"""
Download video to specified directory
:param video_url: Video URL
:param draft_name: Draft name
:param material_name: Material name
:return: Local video path
"""
# Ensure directory exists
video_dir = f"{draft_name}/assets/video"
os.makedirs(video_dir, exist_ok=True)
# Generate local filename
local_path = f"{video_dir}/{material_name}"
# Check if file already exists
if os.path.exists(local_path):
print(f"Video file already exists: {local_path}")
return local_path
try:
# Use ffmpeg to download video
command = [
'ffmpeg',
'-i', video_url,
'-c', 'copy', # Direct copy, no re-encoding
local_path
]
subprocess.run(command, check=True, capture_output=True)
return local_path
except subprocess.CalledProcessError as e:
raise Exception(f"Failed to download video: {e.stderr.decode('utf-8')}")
def download_image(image_url, draft_name, material_name):
"""
Download image to specified directory, and convert to PNG format
:param image_url: Image URL
:param draft_name: Draft name
:param material_name: Material name
:return: Local image path
"""
# Ensure directory exists
image_dir = f"{draft_name}/assets/image"
os.makedirs(image_dir, exist_ok=True)
# Uniformly use png format
local_path = f"{image_dir}/{material_name}"
# Check if file already exists
if os.path.exists(local_path):
print(f"Image file already exists: {local_path}")
return local_path
try:
# Use ffmpeg to download and convert image to PNG format
command = [
'ffmpeg',
'-headers', 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36\r\nReferer: https://www.163.com/\r\n',
'-i', image_url,
'-vf', 'format=rgba', # Convert to RGBA format to support transparency
'-frames:v', '1', # Ensure only one frame is processed
'-y', # Overwrite existing files
local_path
]
subprocess.run(command, check=True, capture_output=True)
return local_path
except subprocess.CalledProcessError as e:
raise Exception(f"Failed to download image: {e.stderr.decode('utf-8')}")
def download_audio(audio_url, draft_name, material_name):
"""
Download audio and transcode to MP3 format to specified directory
:param audio_url: Audio URL
:param draft_name: Draft name
:param material_name: Material name
:return: Local audio path
"""
# Ensure directory exists
audio_dir = f"{draft_name}/assets/audio"
os.makedirs(audio_dir, exist_ok=True)
# Generate local filename (keep .mp3 extension)
local_path = f"{audio_dir}/{material_name}"
# Check if file already exists
if os.path.exists(local_path):
print(f"Audio file already exists: {local_path}")
return local_path
try:
# Use ffmpeg to download and transcode to MP3 (key modification: specify MP3 encoder)
command = [
'ffmpeg',
'-i', audio_url, # Input URL
'-c:a', 'libmp3lame', # Force encode audio stream to MP3
'-q:a', '2', # Set audio quality (0-9, 0 is best, 2 balances quality and file size)
'-y', # Overwrite existing files (optional)
local_path # Output path
]
subprocess.run(command, check=True, capture_output=True, text=True)
return local_path
except subprocess.CalledProcessError as e:
raise Exception(f"Failed to download audio:\n{e.stderr}")
def download_file(url:str, local_filename, max_retries=3, timeout=180):
# 检查是否是本地文件路径
if os.path.exists(url) and os.path.isfile(url):
# 是本地文件，直接复制
directory = os.path.dirname(local_filename)
# 创建目标目录（如果不存在）
if directory and not os.path.exists(directory):
os.makedirs(directory, exist_ok=True)
print(f"Created directory: {directory}")
print(f"Copying local file: {url} to {local_filename}")
start_time = time.time()
# 复制文件
shutil.copy2(url, local_filename)
print(f"Copy completed in {time.time()-start_time:.2f} seconds")
print(f"File saved as: {os.path.abspath(local_filename)}")
return True
# 原有的下载逻辑
# Extract directory part
directory = os.path.dirname(local_filename)
retries = 0
while retries < max_retries:
try:
if retries > 0:
wait_time = 2 ** retries # Exponential backoff strategy
print(f"Retrying in {wait_time} seconds... (Attempt {retries+1}/{max_retries})")
time.sleep(wait_time)
print(f"Downloading file: {local_filename}")
start_time = time.time()
# Create directory (if it doesn't exist)
if directory and not os.path.exists(directory):
os.makedirs(directory, exist_ok=True)
print(f"Created directory: {directory}")
# Add headers
headers = {
'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36',
'Referer': 'https://www.163.com/', # 网易的Referer
'Accept': 'image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8',
'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8'
}
with requests.get(url, stream=True, timeout=timeout, headers=headers) as response:
response.raise_for_status()
total_size = int(response.headers.get('content-length', 0))
block_size = 1024
with open(local_filename, 'wb') as file:
bytes_written = 0
for chunk in response.iter_content(block_size):
if chunk:
file.write(chunk)
bytes_written += len(chunk)
if total_size > 0:
progress = bytes_written / total_size * 100
# For frequently updated progress, consider using logger.debug or more granular control to avoid large log files
# Or only output progress to console, not write to file
print(f"\r[PROGRESS] {progress:.2f}% ({bytes_written/1024:.2f}KB/{total_size/1024:.2f}KB)", end='')
pass # Avoid printing too much progress information in log files
if total_size > 0:
# print() # Original newline
pass
print(f"Download completed in {time.time()-start_time:.2f} seconds")
print(f"File saved as: {os.path.abspath(local_filename)}")
return True
except Timeout:
print(f"Download timed out after {timeout} seconds")
except RequestException as e:
print(f"Request failed: {e}")
except Exception as e:
print(f"Unexpected error during download: {e}")
retries += 1
print(f"Download failed after {max_retries} attempts for URL: {url}")
return False