On 09 Nov 2015 16:05, Mike Frysinger wrote:
> +	with tempfile.NamedTemporaryFile(prefix='catalyst.conf.') as conf:
> +		# Set up a config file with paths to the local tree.
> +		conf.write(
> +			('sharedir=%(source_root)s\n'
> +			 'shdir=%(source_root)s/targets\n'
> +			 'envscript=%(source_root)s/etc/catalystrc\n'
> +			 % {'source_root': source_root}).encode('utf8')
> +		)
> +		conf.flush()

before anyone suggests using the buffering option when creating 
tempfile.NamedTemporaryFile, you should be aware that the arg
name & meaning changed between py2 & py3.  it's simpler to flush.
-mike