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run-tests: enable color on Windows
authorMatt Harbison <matt_harbison@yahoo.com>
Thu, 06 May 2021 18:52:08 -0400
changeset 47308 bb4606f35d37
parent 47307 13dd5bb5492a
child 47309 af4d1a177548
run-tests: enable color on Windows In setting up the CI for Windows on heptapod, I noticed it was complaining about color not being enabled because pygments wasn't installed- even though it was. I had initially disabled color on Windows when using Windows 7, because that didn't understand ANSI color codes and made a mess of the output. But now that it's been unsupported for over a year, I don't think we should care about it either. It's admittedly a hack to depend on Mercurial proper to enable color support in the terminal, but I didn't feel like duplicating that code. I'm under the impression that 3rd party stuff is supposed to use this runner in the Mercurial repo instead of using their own copy, so I think it's safe to assume the Mercurial code is available. If it's not, it won't break anything. Differential Revision: https://phab.mercurial-scm.org/D10760
tests/run-tests.py file | annotate | diff | comparison | revisions 
--- a/tests/run-tests.py	Sun May 16 10:57:14 2021 -0400
+++ b/tests/run-tests.py	Thu May 06 18:52:08 2021 -0400
@@ -87,21 +87,31 @@
 processlock = threading.Lock()
 
 pygmentspresent = False
-# ANSI color is unsupported prior to Windows 10
-if os.name != 'nt':
-    try:  # is pygments installed
-        import pygments
-        import pygments.lexers as lexers
-        import pygments.lexer as lexer
-        import pygments.formatters as formatters
-        import pygments.token as token
-        import pygments.style as style
-
-        pygmentspresent = True
-        difflexer = lexers.DiffLexer()
-        terminal256formatter = formatters.Terminal256Formatter()
-    except ImportError:
-        pass
+try:  # is pygments installed
+    import pygments
+    import pygments.lexers as lexers
+    import pygments.lexer as lexer
+    import pygments.formatters as formatters
+    import pygments.token as token
+    import pygments.style as style
+
+    if os.name == 'nt':
+        hgpath = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+        sys.path.append(hgpath)
+        try:
+            from mercurial import win32  # pytype: disable=import-error
+
+            # Don't check the result code because it fails on heptapod, but
+            # something is able to convert to color anyway.
+            win32.enablevtmode()
+        finally:
+            sys.path = sys.path[:-1]
+
+    pygmentspresent = True
+    difflexer = lexers.DiffLexer()
+    terminal256formatter = formatters.Terminal256Formatter()
+except ImportError:
+    pass
 
 if pygmentspresent:
mercurial