ajschumacher · May 26, 2021 19:36
diff --git a/code.py b/code.py
 # inspired by and based on:
 # https://julien.danjou.info/python-exceptions-guide/
 # https://github.com/jd/julien.danjou.info/blob/master/bin/generate-python-exceptions-graph.py

 import builtins

 edges = set()
 synonyms = {}
 for name in dir(builtins):
    item = getattr(builtins, name)
    if isinstance(item, type) and BaseException in item.__mro__:
        assert len(item.__bases__) == 1
        edges.add((item.__bases__[0].__name__, item.__name__))
        if item.__name__ != name:
            synonyms.setdefault(item.__name__, []).append(name)

 edges = sorted(edges)

 def show(name, level=0, maxlevel=999):
    if level > maxlevel:
        return
    extra = ''
    if name in synonyms:
        extra = ' aka ' + ' aka '.join(sorted(synonyms[name]))
    print('    ' * level + ' * ' + name + extra)
    for child in [child for parent, child in edges if parent == name]:
        show(child, level + 1, maxlevel=maxlevel)

 show('object')

 show('Exception', maxlevel=1)
diff --git a/exceptions.md b/exceptions.md
	# inspired by and based on:
	# https://julien.danjou.info/python-exceptions-guide/
	# https://github.com/jd/julien.danjou.info/blob/master/bin/generate-python-exceptions-graph.py

	import builtins

	edges = set()
	synonyms = {}
	for name in dir(builtins):
	item = getattr(builtins, name)
	if isinstance(item, type) and BaseException in item.__mro__:
	assert len(item.__bases__) == 1
	edges.add((item.__bases__[0].__name__, item.__name__))
	if item.__name__ != name:
	synonyms.setdefault(item.__name__, []).append(name)

	edges = sorted(edges)

	def show(name, level=0, maxlevel=999):
	if level > maxlevel:
	return
	extra = ''
	if name in synonyms:
	extra = ' aka ' + ' aka '.join(sorted(synonyms[name]))
	print(' ' * level + ' * ' + name + extra)
	for child in [child for parent, child in edges if parent == name]:
	show(child, level + 1, maxlevel=maxlevel)

	show('object')

	show('Exception', maxlevel=1)