mara004

A guide to set up Basilisk with working Adobe Flash after 2021 (under Linux)

Updated: February 05, 2024

Some PSA

Do not follow this guide unless you acknoweldge that you are likely more prone to security vulnerabilities.

Since Adobe killed off Flash including security updates (except Mainland China), this guide would lead your Linux system to be more vulnerable to attacks.

	# SPDX-FileCopyrightText: 2024 geisserml <[email protected]>
	# SPDX-License-Identifier: MPL-2.0
	# Note that Poppler is GPL-licensed, so this code is altogether affected by copyleft

	import PIL.Image
	import poppler # python-poppler
	from poppler.cpp.page_renderer import render_hint


	def _translate_rotation(rotation):

	# SPDX-FileCopyrightText: 2024 geisserml <[email protected]>
	# SPDX-License-Identifier: MPL-2.0
	# Note that Poppler is GPL-licensed, so this code is altogether affected by copyleft

	import math
	from pathlib import Path
	import PIL.Image

	import cairo
	import gi

	# Four lines intentionally left blank




	# SPDX-FileCopyrightText: 2025 geisserml <[email protected]>
	# SPDX-License-Identifier: MPL-2.0

	# Sophisticated parser for a page number mini-language
	# Technically, this might be a use case for some parser generator like pyparsing or PLY, but this is a manual implementation based on common string operations.

	# SPDX-FileCopyrightText: 2024 geisserml <[email protected]>
	# SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause

	import sys
	import argparse

	if sys.version_info >= (3, 9):
	from argparse import BooleanOptionalAction

	else:

	# Four lines intentionally left blank




	# SPDX-FileCopyrightText: 2025 geisserml <[email protected]>
	# SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause

	import argparse
	from pathlib import Path

	# SPDX-FileCopyrightText: 2023 geisserml <[email protected]>
	# SPDX-License-Identifier: CC-BY-4.0 OR Apache-2.0 OR BSD-3-Clause

	# Unlike repository files, there is no "raw view" for GH releases, but we can extract the plain markdown content using GH web API
	# See also https://stackoverflow.com/q/76995969/15547292

	# The following code snippet shows how to get a release title from pdfium-binaries to extract the full version

	import re
	import json

	# SPDX-FileCopyrightText: 2023 geisserml <[email protected]>
	# SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause OR MPL-2.0

	# Safer tar extraction (hopefully) preventing CVE-2007-4559 etc.
	# Tries to use the most elegant strategy available in the caller's python version (>= 3.6)

	__all__ = ["safer_tar_unpack"]

	import sys
	if sys.version_info >= (3, 11, 4): # PEP 706

	# SPDX-FileCopyrightText: 2024 geisserml <[email protected]>
	# SPDX-License-Identifier: Apache-2.0

	import re
	from datetime import datetime
	from urllib.request import urlopen
	from packaging.version import Version as PypaVersion

	PB_RELEASE_URL = "https://archive.apache.org/dist/pdfbox/"
	PB_DISTS_RE = r'<a href="([\d\.]+.+?)/">.+</a>\s+([\d\-]+ [\d:]+)'