]> git.madduck.net Git - etc/vim.git/blobdiff - blib2to3/pgen2/grammar.py

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

fix handling of comments in from imports (#829)
[etc/vim.git] / blib2to3 / pgen2 / grammar.py
index a1da546eee20e12fc29d442835d80bea6379e40c..3ccf38ff9d80acc344ae6acbfb12433a9f9542bc 100644 (file)
@@ -13,7 +13,9 @@ fallback token code OP, but the parser needs the actual token code.
 """
 
 # Python imports
+import os
 import pickle
+import tempfile
 
 # Local imports
 from . import token
@@ -86,8 +88,9 @@ class Grammar(object):
 
     def dump(self, filename):
         """Dump the grammar tables to a pickle file."""
-        with open(filename, "wb") as f:
+        with tempfile.NamedTemporaryFile(dir=os.path.dirname(filename), delete=False) as f:
             pickle.dump(self.__dict__, f, pickle.HIGHEST_PROTOCOL)
+        os.replace(f.name, filename)
 
     def load(self, filename):
         """Load the grammar tables from a pickle file."""