properly close resources

Fixes ``buildout.py:574: ResourceWarning: unclosed file <_io.TextIOWrapper...>```

properly close resources
Fixes ``buildout.py:574: ResourceWarning: unclosed file <_io.TextIOWrapper...>```
32225a8a · Guido Stevens · GitHub · 97003f82 · 32225a8a
Commit 32225a8a authored Feb 08, 2018 by Guido Stevens Committed by GitHub Feb 08, 2018
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src/zc/buildout/buildout.py src/zc/buildout/buildout.py +2 -1

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--- a/src/zc/buildout/buildout.py
+++ b/src/zc/buildout/buildout.py
@@ -571,7 +571,8 @@ class Buildout(DictMixin):
            if dist.precedence == pkg_resources.DEVELOP_DIST:
                dest = os.path.join(self['buildout']['develop-eggs-directory'],
                                    dist.key + '.egg-link')
-                open(dest, 'w').write(dist.location)
+                with open(dest, 'w') as fh:
+                    fh.write(dist.location)
                entries.append(dist.location)
            else:
                dest = os.path.join(self['buildout']['eggs-directory'],