manga-dlp/mangadlp/utils.py
Ivan Schaller e5fd6790d1
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2022-07-06 22:19:40 +02:00

130 lines
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Python

import logging
import re
from datetime import datetime
from pathlib import Path
from typing import Any
from zipfile import ZipFile
# create an archive of the chapter images
def make_archive(chapter_path: Path, file_format: str) -> None:
zip_path = Path(f"{chapter_path}.zip")
try:
# create zip
with ZipFile(zip_path, "w") as zipfile:
for file in chapter_path.iterdir():
zipfile.write(file, file.name)
# rename zip to file format requested
zip_path.rename(zip_path.with_suffix(file_format))
except:
raise IOError
def make_pdf(chapter_path: Path) -> None:
try:
import img2pdf
except:
logging.error("Cant import img2pdf. Please install it first")
raise ImportError
pdf_path = Path(f"{chapter_path}.pdf")
images = []
for file in chapter_path.iterdir():
images.append(str(file))
try:
pdf_path.write_bytes(img2pdf.convert(images))
except:
logging.error("Can't create '.pdf' archive")
raise IOError
# create a list of chapters
def get_chapter_list(chapters: str, available_chapters: list) -> list:
# check if there are available chapter
chapter_list: list[str] = []
for chapter in chapters.split(","):
# check if chapter list is with volumes and ranges (forcevol)
if "-" in chapter and ":" in chapter:
# split chapters and volumes apart for list generation
lower_num_fv: list[str] = chapter.split("-")[0].split(":")
upper_num_fv: list[str] = chapter.split("-")[1].split(":")
vol_fv: str = lower_num_fv[0]
chap_beg_fv: int = int(lower_num_fv[1])
chap_end_fv: int = int(upper_num_fv[1])
# generate range inbetween start and end --> 1:1-1:3 == 1:1,1:2,1:3
for chap in range(chap_beg_fv, chap_end_fv + 1):
chapter_list.append(str(f"{vol_fv}:{chap}"))
# no volumes, just chapter ranges
elif "-" in chapter:
lower_num: int = int(chapter.split("-")[0])
upper_num: int = int(chapter.split("-")[1])
# generate range inbetween start and end --> 1-3 == 1,2,3
for chap in range(lower_num, upper_num + 1):
chapter_list.append(str(chap))
# check if full volume should be downloaded
elif ":" in chapter:
vol_num: str = chapter.split(":")[0]
chap_num: str = chapter.split(":")[1]
# select all chapters from the volume --> 1: == 1:1,1:2,1:3...
if vol_num and not chap_num:
regex: Any = re.compile(f"{vol_num}:[0-9]{{1,4}}")
vol_list: list[str] = [n for n in available_chapters if regex.match(n)]
chapter_list.extend(vol_list)
else:
chapter_list.append(chapter)
# single chapters without a range given
else:
chapter_list.append(chapter)
return chapter_list
# remove illegal characters etc
def fix_name(filename: str) -> str:
# remove illegal characters
filename = re.sub(r'[/\\<>:;|?*!@"]', "", filename)
# remove multiple dots
filename = re.sub(r"([.]{2,})", ".", filename)
# remove dot(s) at the beginning and end of the filename
filename = re.sub(r"(^[.]+)|([.]+$)", "", filename)
# remove trailing and beginning spaces
filename = re.sub("([ \t]+$)|(^[ \t]+)", "", filename)
return filename
# create name for chapter
def get_filename(
chapter_name: str, chapter_vol: str, chapter_num: str, forcevol: bool
) -> str:
# if chapter is a oneshot
if chapter_name == "Oneshot" or chapter_num == "Oneshot":
return "Oneshot"
# if the chapter has no name
if not chapter_name:
return (
f"Vol. {chapter_vol} Ch. {chapter_num}"
if forcevol
else f"Ch. {chapter_num}"
)
# if the chapter has a name
# return with volume if option is set, else just the chapter num and name
return (
f"Vol. {chapter_vol} Ch. {chapter_num} - {chapter_name}"
if forcevol
else f"Ch. {chapter_num} - {chapter_name}"
)
def progress_bar(progress: float, total: float) -> None:
time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
percent = int(progress / (int(total) / 100))
bar_length = 50
bar_progress = int(progress / (int(total) / bar_length))
bar_texture = "" * bar_progress
whitespace_texture = " " * (bar_length - bar_progress)
if progress == total:
full_bar = "" * bar_length
print(f"\r{time} | ❙{full_bar}❙ 100%", end="\n")
else:
print(f"\r{time} | ❙{bar_texture}{whitespace_texture}{percent}%", end="\r")