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Consider `in`, `not in`, `is`, `is not` operators
authorŁukasz Langa <lukasz@langa.pl>
Wed, 16 May 2018 21:31:37 +0000 (14:31 -0700)
committerŁukasz Langa <lukasz@langa.pl>
Wed, 16 May 2018 21:46:43 +0000 (14:46 -0700)
README.md
black.py
tests/expression.diff
tests/expression.py

index 152ceefa9109367950da187b4af26da0bf4d5ed8..9f72a67ab2494a1a2f9c37912427fcb57c201a6c 100644 (file)
--- a/README.md
+++ b/README.md
@@ -628,6 +628,9 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md).
 
 * fixed crash on dealing with optional parentheses (#193)
 
 
 * fixed crash on dealing with optional parentheses (#193)
 
+* fixed "is", "is not", "in", and "not in" not considered operators for
+  splitting purposes
+
 * fixed crash when dead symlinks where encountered
 
 
 * fixed crash when dead symlinks where encountered
 
 
index f335ebd828402c6167719bf23d673aa99cb15ddf..06bff0815a23022a7d94da00eb034d2bff92c82b 100644 (file)
--- a/black.py
+++ b/black.py
@@ -1746,31 +1746,54 @@ def is_split_before_delimiter(leaf: Leaf, previous: Leaf = None) -> int:
     ):
         return STRING_PRIORITY
 
     ):
         return STRING_PRIORITY
 
+    if leaf.type != token.NAME:
+        return 0
+
     if (
     if (
-        leaf.type == token.NAME
-        and leaf.value == "for"
+        leaf.value == "for"
         and leaf.parent
         and leaf.parent.type in {syms.comp_for, syms.old_comp_for}
     ):
         return COMPREHENSION_PRIORITY
 
     if (
         and leaf.parent
         and leaf.parent.type in {syms.comp_for, syms.old_comp_for}
     ):
         return COMPREHENSION_PRIORITY
 
     if (
-        leaf.type == token.NAME
-        and leaf.value == "if"
+        leaf.value == "if"
         and leaf.parent
         and leaf.parent.type in {syms.comp_if, syms.old_comp_if}
     ):
         return COMPREHENSION_PRIORITY
 
         and leaf.parent
         and leaf.parent.type in {syms.comp_if, syms.old_comp_if}
     ):
         return COMPREHENSION_PRIORITY
 
+    if leaf.value in {"if", "else"} and leaf.parent and leaf.parent.type == syms.test:
+        return TERNARY_PRIORITY
+
+    if leaf.value == "is":
+        return COMPARATOR_PRIORITY
+
     if (
     if (
-        leaf.type == token.NAME
-        and leaf.value in {"if", "else"}
+        leaf.value == "in"
         and leaf.parent
         and leaf.parent
-        and leaf.parent.type == syms.test
+        and leaf.parent.type in {syms.comp_op, syms.comparison}
+        and not (
+            previous is not None
+            and previous.type == token.NAME
+            and previous.value == "not"
+        )
     ):
     ):
-        return TERNARY_PRIORITY
+        return COMPARATOR_PRIORITY
+
+    if (
+        leaf.value == "not"
+        and leaf.parent
+        and leaf.parent.type == syms.comp_op
+        and not (
+            previous is not None
+            and previous.type == token.NAME
+            and previous.value == "is"
+        )
+    ):
+        return COMPARATOR_PRIORITY
 
 
-    if leaf.type == token.NAME and leaf.value in LOGIC_OPERATORS and leaf.parent:
+    if leaf.value in LOGIC_OPERATORS and leaf.parent:
         return LOGIC_PRIORITY
 
     return 0
         return LOGIC_PRIORITY
 
     return 0
index 5ad905f0f616febc48d1b38c26e30dd8635a2903..21209f6b3f8845cfb2293364b6f559dba221b1ac 100644 (file)
  ]
  slice[0]
  slice[0:1]
  ]
  slice[0]
  slice[0:1]
-@@ -124,103 +144,138 @@
+@@ -124,107 +144,154 @@
  numpy[-(c + 1) :, d]
  numpy[:, l[-2]]
  numpy[:, ::-1]
  numpy[-(c + 1) :, d]
  numpy[:, l[-2]]
  numpy[:, ::-1]
 -for i in (call()): ...
 -for j in (1 + (2 + 3)): ...
 -while(this and that): ...
 -for i in (call()): ...
 -for j in (1 + (2 + 3)): ...
 -while(this and that): ...
+-a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+-a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp not in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+-a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp is qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+-a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp is not qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
 -if (
 -    threading.current_thread() != threading.main_thread() and
 -    threading.current_thread() != threading.main_thread() or
 -if (
 -    threading.current_thread() != threading.main_thread() and
 -    threading.current_thread() != threading.main_thread() or
 +    ...
 +while this and that:
 +    ...
 +    ...
 +while this and that:
 +    ...
++a = (
++    aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
++    in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
++)
++a = (
++    aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
++    not in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
++)
++a = (
++    aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
++    is qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
++)
++a = (
++    aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
++    is not qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
++)
 +if (
 +    threading.current_thread() != threading.main_thread()
 +    and threading.current_thread() != threading.main_thread()
 +if (
 +    threading.current_thread() != threading.main_thread()
 +    and threading.current_thread() != threading.main_thread()
index 65833c12efcb30c327eb56da3c04d850992a8b75..093d259539ec9f6790761aae11662a3dd8964903 100644 (file)
@@ -173,6 +173,10 @@ for z in (i for i in (1, 2, 3)): ...
 for i in (call()): ...
 for j in (1 + (2 + 3)): ...
 while(this and that): ...
 for i in (call()): ...
 for j in (1 + (2 + 3)): ...
 while(this and that): ...
+a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp not in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp is qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+a = aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp is not qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
 if (
     threading.current_thread() != threading.main_thread() and
     threading.current_thread() != threading.main_thread() or
 if (
     threading.current_thread() != threading.main_thread() and
     threading.current_thread() != threading.main_thread() or
@@ -449,6 +453,22 @@ for j in 1 + (2 + 3):
     ...
 while this and that:
     ...
     ...
 while this and that:
     ...
+a = (
+    aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
+    in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+)
+a = (
+    aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
+    not in qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+)
+a = (
+    aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
+    is qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+)
+a = (
+    aaaa.bbbb.cccc.dddd.eeee.ffff.gggg.hhhh.iiii.jjjj.kkkk.llll.mmmm.nnnn.oooo.pppp
+    is not qqqq.rrrr.ssss.tttt.uuuu.vvvv.xxxx.yyyy.zzzz
+)
 if (
     threading.current_thread() != threading.main_thread()
     and threading.current_thread() != threading.main_thread()
 if (
     threading.current_thread() != threading.main_thread()
     and threading.current_thread() != threading.main_thread()