[Python-checkins] bpo-29706: Test that IDLE colors async/await as keywords. (GH-6846)

[Terry Jan Reedy]

https://github.com/python/cpython/commit/389a48ede92bf7965889d554d2cd17b50d6e3d86
commit: 389a48ede92bf7965889d554d2cd17b50d6e3d86
branch: master
author: Terry Jan Reedy <tjreedy at udel.edu>
committer: GitHub <noreply at github.com>
date: 2018-05-15T14:20:38-04:00
summary:

bpo-29706: Test that IDLE colors async/await as keywords. (GH-6846)

Added to the eye-verified htest, not to the unittests.
Also remove some stray leftover comments.

files:
M Lib/idlelib/colorizer.py

diff --git a/Lib/idlelib/colorizer.py b/Lib/idlelib/colorizer.py
index 5cb85f24dfd7..1f31ce22d7e5 100644
--- a/Lib/idlelib/colorizer.py
+++ b/Lib/idlelib/colorizer.py
@@ -17,8 +17,6 @@ def make_pat():
     builtinlist = [str(name) for name in dir(builtins)
                                         if not name.startswith('_') and \
                                         name not in keyword.kwlist]
-    # self.file = open("file") :
-    # 1st 'file' colorized normal, 2nd as builtin, 3rd as string
     builtin = r"([^.'\"\\#]\b|^)" + any("BUILTIN", builtinlist) + r"\b"
     comment = any("COMMENT", [r"#[^\n]*"])
     stringprefix = r"(?i:r|u|f|fr|rf|b|br|rb)?"
@@ -268,13 +266,14 @@ def _color_delegator(parent):  # htest #
         "else: float(None)\n"
         "if iF + If + IF: 'keyword matching must respect case'\n"
         "if'': x or''  # valid string-keyword no-space combinations\n"
+        "async def f(): await g()\n"
         "# All valid prefixes for unicode and byte strings should be colored.\n"
         "'x', '''x''', \"x\", \"\"\"x\"\"\"\n"
         "r'x', u'x', R'x', U'x', f'x', F'x'\n"
         "fr'x', Fr'x', fR'x', FR'x', rf'x', rF'x', Rf'x', RF'x'\n"
         "b'x',B'x', br'x',Br'x',bR'x',BR'x', rb'x'.rB'x',Rb'x',RB'x'\n"
         "# Invalid combinations of legal characters should be half colored.\n"
-        "ur'x', ru'x', uf'x', fu'x', UR'x', ufr'x', rfu'x', xf'x', fx'x'"
+        "ur'x', ru'x', uf'x', fu'x', UR'x', ufr'x', rfu'x', xf'x', fx'x'\n"
         )
     text = Text(top, background="white")
     text.pack(expand=1, fill="both")