(Jinja2) Relative file include does not work as expected

[Yoshi325]

• pypugjs version: 5.9.12
• Django version: N/A
• Flask version: 2.3.3
• Jinja2 version: 3.1.2
• Python version: 3.11
• Operating System: (at least) macOS and Linux

Description

I attempted to include a file relative to the current file. PugJS states (https://pugjs.org/language/includes.html):

If the path is absolute (e.g., include /root.pug), it is resolved by prepending options.basedir. Otherwise, paths are resolved relative to the current file being compiled.

If no file extension is given, .pug is automatically appended to the file name.

However, the code here:

pypugjs/pypugjs/ext/jinja.py

Lines 112 to 120 in dd8d394

	def visitInclude(self, node):
	path = os.path.join(
	self.options.get("basedir", '.'), self.format_path(node.path)
	)
	if os.path.exists(path):
	src = open(path, 'r').read()
	else:
	raise Exception("Include path doesn't exists ({})".format(path))

always prepends the basedir option if it is set.

I believe this should be changed to match what is stated.