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#!/usr/bin/env python
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"""This does HTTP GET requests given a host:port and path and returns
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a subset of the headers plus the body of the result."""
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from __future__ import absolute_import, print_function
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import httplib
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import json
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import os
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import sys
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try:
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import msvcrt
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msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
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msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
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except ImportError:
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pass
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twice = False
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if '--twice' in sys.argv:
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sys.argv.remove('--twice')
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twice = True
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headeronly = False
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if '--headeronly' in sys.argv:
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sys.argv.remove('--headeronly')
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headeronly = True
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formatjson = False
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if '--json' in sys.argv:
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sys.argv.remove('--json')
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formatjson = True
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tag = None
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def request(host, path, show):
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assert not path.startswith('/'), path
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global tag
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headers = {}
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if tag:
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headers['If-None-Match'] = tag
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conn = httplib.HTTPConnection(host)
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conn.request("GET", '/' + path, None, headers)
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response = conn.getresponse()
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print(response.status, response.reason)
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if show[:1] == ['-']:
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show = sorted(h for h, v in response.getheaders()
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if h.lower() not in show)
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for h in [h.lower() for h in show]:
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if response.getheader(h, None) is not None:
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print("%s: %s" % (h, response.getheader(h)))
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if not headeronly:
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print()
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data = response.read()
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# Pretty print JSON. This also has the beneficial side-effect
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# of verifying emitted JSON is well-formed.
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if formatjson:
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# json.dumps() will print trailing newlines. Eliminate them
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# to make tests easier to write.
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data = json.loads(data)
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lines = json.dumps(data, sort_keys=True, indent=2).splitlines()
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for line in lines:
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print(line.rstrip())
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else:
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sys.stdout.write(data)
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if twice and response.getheader('ETag', None):
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tag = response.getheader('ETag')
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return response.status
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status = request(sys.argv[1], sys.argv[2], sys.argv[3:])
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if twice:
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status = request(sys.argv[1], sys.argv[2], sys.argv[3:])
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if 200 <= status <= 305:
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sys.exit(0)
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sys.exit(1)
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