# HG changeset patch
# User Pulkit Goyal <7895pul...@gmail.com>
# Date 1473787789 -19800
# Tue Sep 13 22:59:49 2016 +0530
# Node ID ec133d50af780e84a6a24825b52d433c10f9cd55
# Parent 85bd31515225e7fdf9bd88edde054db2c74a33f8
py3: have an utility function to return string
There are cases when we need strings and can't use bytes in python 3.
We need an utility function for these cases. I agree that this may not
be the best possible way out. I will be happy if anybody else can suggest
a better approach. We need this functions for os.path.join(), __slots__
and few more things. Added the function in pycompat.py as it is not too big
to import.
diff -r 85bd31515225 -r ec133d50af78 mercurial/pycompat.py
--- a/mercurial/pycompat.py Sun Aug 21 13:16:21 2016 +0900
+++ b/mercurial/pycompat.py Tue Sep 13 22:59:49 2016 +0530
@@ -164,3 +164,18 @@
"SimpleHTTPRequestHandler",
"CGIHTTPRequestHandler",
))
+
+# This function converts its arguments to strings
+# on the basis of python version. Strings in python 3
+# are unicodes and our transformer converts everything to bytes
+# in python 3. So we need to decode it to unicodes in
+# py3.
+
+def coverttostr(word):
+ if sys.version_info[0] < 3:
+ assert isinstance(word, str), "Not a string in Python 2"
+ return word
+ # Checking word is bytes because we have the transformer, else
+ # raising error
+ assert isinstance(word, bytes), "Should be bytes because of transformer"
+ return word.decode(sys.getfilesystemencoding())
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