Postpone manifest calculation in kwtemplater.overwrite
We can check for file existence in the working directory (needed
in case of recording) by simply using the given context and
calculate the manifest only when there are in fact candidates
for expansion/shrinking.
#!/usr/bin/env python
"""This does HTTP GET requests given a host:port and path and returns
a subset of the headers plus the body of the result."""
import httplib, sys, re
try:
import msvcrt, os
msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
except ImportError:
pass
headers = [h.lower() for h in sys.argv[3:]]
conn = httplib.HTTPConnection(sys.argv[1])
conn.request("GET", sys.argv[2])
response = conn.getresponse()
print response.status, response.reason
for h in headers:
if response.getheader(h, None) is not None:
print "%s: %s" % (h, response.getheader(h))
print
data = response.read()
sys.stdout.write(data)
if 200 <= response.status <= 299:
sys.exit(0)
sys.exit(1)