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#!/usr/bin/env python3
# SPDX-License-Identifier: MIT
# Copyright (C) 2004-2008 Tristan Seligmann and Jonathan Jacobs
# Copyright (C) 2012-2014 Bastian Kleineidam
# Copyright (C) 2015-2016 Tobias Gruetzmacher
"""
This script takes the JSON file created by 'dosage -o json' and uses the
metadata to build a symlink farm in the deduced order of the comic. It created
those in a subdirectory called 'inorder'.
"""
import sys
import os
import codecs
import json
def jsonFn(d):
"""Get JSON filename."""
return os.path.join(d, 'dosage.json')
def loadJson(d):
"""Return JSON data."""
with codecs.open(jsonFn(d), 'r', 'utf-8') as f:
return json.load(f)
def prepare_output(d):
"""Clean pre-existing links in output directory."""
outDir = os.path.join(d, 'inorder')
if not os.path.exists(outDir):
os.mkdir(outDir)
for f in os.listdir(outDir):
f = os.path.join(outDir, f)
if os.path.islink(f):
os.remove(f)
return outDir
def create_symlinks(d):
"""Create new symbolic links in output directory."""
data = loadJson(d)
outDir = prepare_output(d)
unseen = list(data["pages"].keys())
while len(unseen) > 0:
latest = work = unseen[0]
while work in unseen:
unseen.remove(work)
if "prev" in data["pages"][work]:
work = data["pages"][work]["prev"]
print("Latest page: %s" % (latest))
order = []
work = latest
while work in data["pages"]:
if "imagesOrder" in data["pages"][work].keys():
for url in reversed(data["pages"][work]["imagesOrder"]):
order.append(data["pages"][work]["images"][url])
else:
order.extend(data["pages"][work]["images"].values())
if "prev" in data["pages"][work]:
if data["pages"][work]["prev"] == work:
work = None
else:
work = data["pages"][work]["prev"]
else:
work = None
order.reverse()
for i, img in enumerate(order):
os.symlink(os.path.join('..', img), os.path.join(outDir, '%05i_%s' % (i, img)))
if __name__ == '__main__':
if len(sys.argv) > 1:
for d in sys.argv[1:]:
if os.path.exists(jsonFn(d)):
create_symlinks(d)
else:
print("No JSON file found in '%s'." % (d))
else:
print("Usage: %s comic-dirs" % (os.path.basename(sys.argv[0])))
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