SinTan1729/cambridge-core-merge
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new: Added code comments

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This commit is contained in:
Sayantan Santra 2025-04-18 12:11:55 -05:00
parent f07e8a2739
commit 90a3e67081
Signed by: SinTan1729
GPG key ID: 0538DD402EA50898
1 changed files with 6 additions and 1 deletions
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7
cambridge_core_merge.py
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@ -14,7 +14,7 @@ from tempfile import TemporaryFile
def main():
parser = ArgumentParser(
prog="cambridge-core-merge",
description="A python script to merge books downloaded from Cambridge Core into a single PDF file.",
description="A python script to merge books downloaded from Cambridge Core into a single PDF file",
epilog="Copyright (C) 2025 Sayantan Santra",
)
parser.add_argument(
@ -36,11 +36,13 @@ def main():
for file in filelist:
print("Adding " + file)
parts = file.split("_", 4)
# This is just using how the naming scheme works for these files from Cambridge Core
name = parts[4][:-4].replace("_", " ")
start_index = merger.get_num_pages()
with zip.open(file) as pdf:
merger.append(pdf)
# Need to do this here for keeping proper order of the bookmarks
if first_bookmark and args.cover is not None:
cover = Image.open(args.cover, "r")
h = merger.pages[0].mediabox.height
@ -54,6 +56,7 @@ def main():
merger.insert_page(PdfReader(temp).get_page(0), 0)
merger.add_outline_item("Cover", 0)
start_index += 1
# I know, this is a weird hack, r is the 18th letter in the alphabet lol
merger.set_page_label(0, 0, "/a", prefix="cove", start=18)
first_bookmark = False
temp.close()
@ -61,12 +64,14 @@ def main():
startpage_str = parts[2]
endpage_str = parts[3]
# '/D' means the decimal numbers
pagestyle = "/D"
startpage, endpage = None, None
try:
startpage = int(startpage_str)
endpage = int(endpage_str)
except ValueError:
# '/r' means the roman numbers
pagestyle = "/r"
startpage = fromRoman(startpage_str)
endpage = fromRoman(endpage_str)