Remove utils module for downloaders

This commit is contained in:
Serene-Arc
2021-02-07 11:33:19 +10:00
committed by Ali Parlakci
parent be613949fe
commit 0d839329e5
12 changed files with 175 additions and 160 deletions

View File

@@ -0,0 +1,121 @@
#!/usr/bin/env python3
# coding=utf-8
import hashlib
import os
import sys
import urllib.request
from abc import ABC
from pathlib import Path
from bulkredditdownloader.errors import DomainInSkip, FailedToDownload, FileAlreadyExistsError, TypeInSkip
from bulkredditdownloader.utils import GLOBAL
from bulkredditdownloader.utils import printToFile as print
class BaseDownloader(ABC):
def __init__(self, directory: Path, post: dict):
self.directory = directory
self.post = post
@staticmethod
def createHash(filename: str) -> str:
hash_md5 = hashlib.md5()
with open(filename, "rb") as f:
for chunk in iter(lambda: f.read(4096), b""):
hash_md5.update(chunk)
return hash_md5.hexdigest()
@staticmethod
def dlProgress(count: int, block_size: int, total_size: int):
"""Function for writing download progress to console """
download_mbs = int(count * block_size * (10 ** (-6)))
file_size = int(total_size * (10 ** (-6)))
sys.stdout.write("{}Mb/{}Mb\r".format(download_mbs, file_size))
sys.stdout.flush()
@staticmethod
def getFile(
filename: str,
short_filename: str,
folder_dir: Path,
image_url: str,
indent: int = 0,
silent: bool = False):
formats = {
"videos": [".mp4", ".webm"],
"images": [".jpg", ".jpeg", ".png", ".bmp"],
"gifs": [".gif"],
"self": []
}
for file_type in GLOBAL.arguments.skip:
for extension in formats[file_type]:
if extension in filename:
raise TypeInSkip
if any(domain in image_url for domain in GLOBAL.arguments.skip_domain):
raise DomainInSkip
headers = [
("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
"AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 "
"Safari/537.36 OPR/54.0.2952.64"),
("Accept", "text/html,application/xhtml+xml,application/xml;"
"q=0.9,image/webp,image/apng,*/*;q=0.8"),
("Accept-Charset", "ISO-8859-1,utf-8;q=0.7,*;q=0.3"),
("Accept-Encoding", "none"),
("Accept-Language", "en-US,en;q=0.8"),
("Connection", "keep-alive")
]
if not os.path.exists(folder_dir):
os.makedirs(folder_dir)
opener = urllib.request.build_opener()
if "imgur" not in image_url:
opener.addheaders = headers
urllib.request.install_opener(opener)
if not silent:
print(" " * indent + str(folder_dir), " " * indent + str(filename), sep="\n")
for i in range(3):
file_dir = Path(folder_dir) / filename
temp_dir = Path(folder_dir) / (filename + ".tmp")
if not (os.path.isfile(file_dir)):
try:
urllib.request.urlretrieve(image_url, temp_dir, reporthook=BaseDownloader.dlProgress)
file_hash = BaseDownloader.createHash(temp_dir)
if GLOBAL.arguments.no_dupes:
if file_hash in GLOBAL.downloadedPosts():
os.remove(temp_dir)
raise FileAlreadyExistsError
GLOBAL.downloadedPosts.add(file_hash)
os.rename(temp_dir, file_dir)
if not silent:
print(" " * indent + "Downloaded" + " " * 10)
return None
except ConnectionResetError:
raise FailedToDownload
except FileNotFoundError:
filename = short_filename
else:
raise FileAlreadyExistsError
raise FailedToDownload
@staticmethod
def getExtension(link: str):
"""Extract file extension from image link. If didn't find any, return '.jpg' """
image_types = ['jpg', 'png', 'mp4', 'webm', 'gif']
parsed = link.split('.')
for fileType in image_types:
if fileType in parsed:
return "." + parsed[-1]
else:
if "v.redd.it" not in link:
return '.jpg'
else:
return '.mp4'