[clang] 3125aa9 - [clang-format] ensure dump_format_style.py works with Python3 correctly

[via cfe-commits]

Author: mydeveloperday
Date: 2020-05-07T19:52:12+01:00
New Revision: 3125aa99593db9fe17c825fd5984b333bb86437f

URL: https://github.com/llvm/llvm-project/commit/3125aa99593db9fe17c825fd5984b333bb86437f
DIFF: https://github.com/llvm/llvm-project/commit/3125aa99593db9fe17c825fd5984b333bb86437f.diff

LOG: [clang-format] ensure dump_format_style.py works with Python3 correctly

Summary:
Python2 has been removed from cygwin, this means anyone running the dump_format_style.py in a cygwin shell could pick up python3 instead

In Python3 all strings are unicode as the file is opened in binary mode we need to encode the contents string or we'll face the following error

```
Traceback (most recent call last):
  File "./dump_format_style.py", line 228, in <module>
    output.write(contents)
TypeError: a bytes-like object is required, not 'str'
```

Reviewed By: krasimir

Subscribers: cfe-commits

Tags: #clang, #clang-format

Differential Revision: https://reviews.llvm.org/D79326

Added: 
    

Modified: 
    clang/docs/tools/dump_format_style.py

Removed: 
    


################################################################################
diff  --git a/clang/docs/tools/dump_format_style.py b/clang/docs/tools/dump_format_style.py
index acb0dfcaf4a7..61167979b3e6 100755
--- a/clang/docs/tools/dump_format_style.py
+++ b/clang/docs/tools/dump_format_style.py
@@ -225,4 +225,4 @@ class State(object):
 contents = substitute(contents, 'FORMAT_STYLE_OPTIONS', options_text)
 
 with open(DOC_FILE, 'wb') as output:
-  output.write(contents)
+  output.write(contents.encode())