[translation] Fix build by renaming to pyj8.py

build/dynamic-deps.sh

@@ -79,6 +79,8 @@ asdl/py.*           # pybase.py ported by hand to C++
 core/py.*           # pyos.py, pyutil.py ported by hand to C++
 core/optview\.py    # core/optview_gen.py
 
+data_lang/py.*      # pyj8.py
+
 frontend/py.*\.py   # py_readline.py ported by hand to C++
 frontend/consts.py  # frontend/consts_gen.py
 frontend/match.py   # frontend/lexer_gen.py

data_lang/j8.py

@@ -34,13 +34,13 @@
 
 from asdl import format as fmt
 from core import vm
-from data_lang import j8_str
+from data_lang import pyj8
 from data_lang import qsn
 from mycpp import mylib
 from mycpp.mylib import tagswitch, iteritems, log
 
 _ = log
-unused = j8_str
+unused = pyj8
 
 from typing import cast, Dict
 

data_lang/j8_str.py → data_lang/pyj8.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python2
+from __future__ import print_function
 """
 j8_str.py
 """

data_lang/pyj8_test.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python2
+"""
+pyj8_test.py: Tests for pyj8.py
+"""
+from __future__ import print_function
+
+import unittest
+
+from data_lang import pyj8  # module under test
+
+
+class J8Test(unittest.TestCase):
+
+    def testEncode(self):
+        en = pyj8.Enc('hello', 0)
+        print(en)
+
+        en = pyj8.Enc('\xff-\xfe-\xff-\xfe', 0)
+        print(en)
+
+        # multiple errrors
+        en = pyj8.Enc('hello\xffthere \xfe\xff gah', 0)
+        print(en)
+
+        # valid mu
+        en = pyj8.Enc('hello \xce\xbc there', 0)
+        print(en)
+
+        # two first bytes - invalid
+        en = pyj8.Enc('hello \xce\xce there', 0)
+        print(en)
+
+        # two cont bytes - invalid
+        en = pyj8.Enc('hello \xbc\xbc there', 0)
+        print(en)
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+# vim: sw=4

prebuilt/dynamic-deps/filter-translate.txt

@@ -5,6 +5,7 @@ _gen/
 asdl/py.*
 core/py.*
 core/optview\.py
+data_lang/py.*
 frontend/py.*\.py
 frontend/consts.py
 frontend/match.py