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util: avoid a name-error warning in the `mmapread` exception handler
authorMatt Harbison <matt_harbison@yahoo.com>
Mon, 20 Sep 2021 10:46:35 -0400
changeset 48010 ae79611e3115
parent 48009 94d4a3f78e99
child 48011 8655a77dce94
util: avoid a name-error warning in the `mmapread` exception handler Newly caught by pytype 2021-09-09. File "/mnt/c/Users/Matt/hg/mercurial/util.py", line 458, in mmapread: Name 'fd' is not defined [name-error] Differential Revision: https://phab.mercurial-scm.org/D11470
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--- a/mercurial/util.py	Mon Sep 20 10:45:18 2021 -0400
+++ b/mercurial/util.py	Mon Sep 20 10:46:35 2021 -0400
@@ -449,8 +449,8 @@
         return b''
     elif size is None:
         size = 0
+    fd = getattr(fp, 'fileno', lambda: fp)()
     try:
-        fd = getattr(fp, 'fileno', lambda: fp)()
         return mmap.mmap(fd, size, access=mmap.ACCESS_READ)
     except ValueError:
         # Empty files cannot be mmapped, but mmapread should still work.  Check
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