Python: Copy Python extractor to codeql repo

python/extractor/tests/parser/functions.py

@@ -0,0 +1,58 @@
+def a(b): pass
+def c(*d): pass
+
+def foo(a, b, c=d, e:f, g:h=i, *j) -> t:
+    x
+    y
+
+def foo(l):
+    pass
+
+def bar(*k):
+    x1
+    y1
+
+def bar(*k, l, m:n, o:p=q, r=s, **u):
+    x1
+    y1
+
+def klef(*): pass
+
+def main(): pass
+
+@dec1(a,b)
+@dec2(c,d)
+def func(e,f,g):
+    h
+    i
+
+
+lambda: a
+
+lambda b: c
+
+lambda d, *e: f
+
+lambda *g, h: i
+
+lambda j=k: l
+
+lambda *m: n
+
+lambda **o: p
+
+lambda *p, q=r: s
+
+def typed_dictionary_splat(**kw : KEYWORD):
+    pass
+def typed_list_splat(*args : ARGS):
+    pass
+
+@False or True
+def decorated(): pass
+
+def all_separators(pos_only, /, pos_or_keyword, *, keyword_only): pass
+
+@decorator #comment
+def decorated_with_comment():
+    pass