On 11 Nov 2016 15:20, Joseph Myers wrote:
> +import os.path

this import is unnecessary

> +class Context:

please no old style classes.  all of them should inherit object.
	class Context(object):

> +
> +    """The global state associated with builds in a given directory."""

don't put a blank line between the class and its docstring.

> +        os.chmod(self.wrapper,
> +                 (stat.S_IRWXU|stat.S_IRGRP|stat.S_IXGRP|
> +                  stat.S_IROTH|stat.S_IXOTH))

the stat constants are unreadable imo.  better to never use them and
stick to sane octals like 0644 and such.
-mike