Merge pull request #17873 from github/tausbn/python-fix-generator-expression-locations

Python: Even more parser fixes

python/extractor/tests/parser/async-await.py

@@ -0,0 +1,8 @@
+async def foo():
+    await bar() + await baz()
+
+    async with foo() as bar, baz() as quux:
+        pass
+
+    async for spam in eggs:
+        pass

python/extractor/tests/parser/collections.py

@@ -35,3 +35,5 @@ t, u,
   x, y,
 #comment
 )
+
+((z,))

python/extractor/tests/parser/comprehensions.py

@@ -65,3 +65,10 @@ t = tuple(x for y in z)
     d for e in f if g # comment
     # comment
 ] # comment
+
+# Generator expression with comments
+(# comment
+    alpha # comment
+    for beta in gamma # comment
+    # comment
+)

python/extractor/tests/parser/strings.py

@@ -77,3 +77,12 @@ if 34:
     b'\xc5\xe5'
 if 35:
     f"{x=}"
+if 36:
+    r"a\"a"
+if 37:
+    r'a\'a'
+if 38:
+    r'a\\'
+if 39:
+    r'a\
+    '