tests: use absolute_import in /get-with-headers.py

While I was here, I removed condition code for failure to import json.
This code was necessary to support Python < 2.6, which didn't include
the json module.

tests/get-with-headers.py

@@ -1,86 +1,78 b''
 #!/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
+from __future__ import absolute_import
+
+import httplib
+import json
+import os
+import sys
 
 try:
-    import json
-except ImportError:
-    try:
-        import simplejson as json
-    except ImportError:
-        json = None
-
-try:
-    import msvcrt, os
+    import msvcrt
     msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
     msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
 except ImportError:
     pass
 
 twice = False
 if '--twice' in sys.argv:
     sys.argv.remove('--twice')
     twice = True
 headeronly = False
 if '--headeronly' in sys.argv:
     sys.argv.remove('--headeronly')
     headeronly = True
 formatjson = False
 if '--json' in sys.argv:
     sys.argv.remove('--json')
     formatjson = True
 
 tag = None
 def request(host, path, show):
     assert not path.startswith('/'), path
     global tag
     headers = {}
     if tag:
         headers['If-None-Match'] = tag
 
     conn = httplib.HTTPConnection(host)
     conn.request("GET", '/' + path, None, headers)
     response = conn.getresponse()
     print response.status, response.reason
     if show[:1] == ['-']:
         show = sorted(h for h, v in response.getheaders()
                       if h.lower() not in show)
     for h in [h.lower() for h in show]:
         if response.getheader(h, None) is not None:
             print "%s: %s" % (h, response.getheader(h))
     if not headeronly:
         print
         data = response.read()
 
         # Pretty print JSON. This also has the beneficial side-effect
         # of verifying emitted JSON is well-formed.
         if formatjson:
-            if not json:
-                print 'no json module not available'
-                print 'did you forget a #require json?'
-                sys.exit(1)
-
             # json.dumps() will print trailing newlines. Eliminate them
             # to make tests easier to write.
             data = json.loads(data)
             lines = json.dumps(data, sort_keys=True, indent=2).splitlines()
             for line in lines:
                 print line.rstrip()
         else:
             sys.stdout.write(data)
 
         if twice and response.getheader('ETag', None):
             tag = response.getheader('ETag')
 
     return response.status
 
 status = request(sys.argv[1], sys.argv[2], sys.argv[3:])
 if twice:
     status = request(sys.argv[1], sys.argv[2], sys.argv[3:])
 
 if 200 <= status <= 305:
     sys.exit(0)
 sys.exit(1)

tests/test-check-py3-compat.t

@@ -1,230 +1,229 b''
 #require test-repo
 
   $ cd "$TESTDIR"/..
 
   $ hg files 'set:(**.py)' | xargs python contrib/check-py3-compat.py
   contrib/casesmash.py not using absolute_import
   contrib/check-code.py not using absolute_import
   contrib/check-code.py requires print_function
   contrib/check-config.py not using absolute_import
   contrib/check-config.py requires print_function
   contrib/debugcmdserver.py not using absolute_import
   contrib/debugcmdserver.py requires print_function
   contrib/debugshell.py not using absolute_import
   contrib/fixpax.py not using absolute_import
   contrib/fixpax.py requires print_function
   contrib/hgclient.py not using absolute_import
   contrib/hgclient.py requires print_function
   contrib/hgfixes/__init__.py not using absolute_import
   contrib/hgfixes/fix_bytes.py not using absolute_import
   contrib/hgfixes/fix_bytesmod.py not using absolute_import
   contrib/hgfixes/fix_leftover_imports.py not using absolute_import
   contrib/import-checker.py not using absolute_import
   contrib/import-checker.py requires print_function
   contrib/memory.py not using absolute_import
   contrib/perf.py not using absolute_import
   contrib/python-hook-examples.py not using absolute_import
   contrib/revsetbenchmarks.py not using absolute_import
   contrib/revsetbenchmarks.py requires print_function
   contrib/showstack.py not using absolute_import
   contrib/synthrepo.py not using absolute_import
   contrib/win32/hgwebdir_wsgi.py not using absolute_import
   doc/check-seclevel.py not using absolute_import
   doc/gendoc.py not using absolute_import
   doc/hgmanpage.py not using absolute_import
   hgext/__init__.py not using absolute_import
   hgext/acl.py not using absolute_import
   hgext/blackbox.py not using absolute_import
   hgext/bugzilla.py not using absolute_import
   hgext/censor.py not using absolute_import
   hgext/children.py not using absolute_import
   hgext/churn.py not using absolute_import
   hgext/clonebundles.py not using absolute_import
   hgext/color.py not using absolute_import
   hgext/convert/__init__.py not using absolute_import
   hgext/convert/bzr.py not using absolute_import
   hgext/convert/common.py not using absolute_import
   hgext/convert/convcmd.py not using absolute_import
   hgext/convert/cvs.py not using absolute_import
   hgext/convert/cvsps.py not using absolute_import
   hgext/convert/darcs.py not using absolute_import
   hgext/convert/filemap.py not using absolute_import
   hgext/convert/git.py not using absolute_import
   hgext/convert/gnuarch.py not using absolute_import
   hgext/convert/hg.py not using absolute_import
   hgext/convert/monotone.py not using absolute_import
   hgext/convert/p4.py not using absolute_import
   hgext/convert/subversion.py not using absolute_import
   hgext/convert/transport.py not using absolute_import
   hgext/eol.py not using absolute_import
   hgext/extdiff.py not using absolute_import
   hgext/factotum.py not using absolute_import
   hgext/fetch.py not using absolute_import
   hgext/gpg.py not using absolute_import
   hgext/graphlog.py not using absolute_import
   hgext/hgcia.py not using absolute_import
   hgext/hgk.py not using absolute_import
   hgext/highlight/__init__.py not using absolute_import
   hgext/highlight/highlight.py not using absolute_import
   hgext/histedit.py not using absolute_import
   hgext/keyword.py not using absolute_import
   hgext/largefiles/__init__.py not using absolute_import
   hgext/largefiles/basestore.py not using absolute_import
   hgext/largefiles/lfcommands.py not using absolute_import
   hgext/largefiles/lfutil.py not using absolute_import
   hgext/largefiles/localstore.py not using absolute_import
   hgext/largefiles/overrides.py not using absolute_import
   hgext/largefiles/proto.py not using absolute_import
   hgext/largefiles/remotestore.py not using absolute_import
   hgext/largefiles/reposetup.py not using absolute_import
   hgext/largefiles/uisetup.py not using absolute_import
   hgext/largefiles/wirestore.py not using absolute_import
   hgext/mq.py not using absolute_import
   hgext/notify.py not using absolute_import
   hgext/pager.py not using absolute_import
   hgext/patchbomb.py not using absolute_import
   hgext/purge.py not using absolute_import
   hgext/rebase.py not using absolute_import
   hgext/record.py not using absolute_import
   hgext/relink.py not using absolute_import
   hgext/schemes.py not using absolute_import
   hgext/share.py not using absolute_import
   hgext/shelve.py not using absolute_import
   hgext/strip.py not using absolute_import
   hgext/transplant.py not using absolute_import
   hgext/win32mbcs.py not using absolute_import
   hgext/win32text.py not using absolute_import
   hgext/zeroconf/Zeroconf.py not using absolute_import
   hgext/zeroconf/Zeroconf.py requires print_function
   hgext/zeroconf/__init__.py not using absolute_import
   i18n/check-translation.py not using absolute_import
   i18n/polib.py not using absolute_import
   mercurial/byterange.py not using absolute_import
   mercurial/cmdutil.py not using absolute_import
   mercurial/commands.py not using absolute_import
   mercurial/commandserver.py not using absolute_import
   mercurial/context.py not using absolute_import
   mercurial/destutil.py not using absolute_import
   mercurial/dirstate.py not using absolute_import
   mercurial/dispatch.py requires print_function
   mercurial/encoding.py not using absolute_import
   mercurial/exchange.py not using absolute_import
   mercurial/help.py not using absolute_import
   mercurial/httpclient/__init__.py not using absolute_import
   mercurial/httpclient/_readers.py not using absolute_import
   mercurial/httpclient/socketutil.py not using absolute_import
   mercurial/httpconnection.py not using absolute_import
   mercurial/keepalive.py not using absolute_import
   mercurial/keepalive.py requires print_function
   mercurial/localrepo.py not using absolute_import
   mercurial/lsprof.py requires print_function
   mercurial/lsprofcalltree.py not using absolute_import
   mercurial/lsprofcalltree.py requires print_function
   mercurial/mail.py requires print_function
   mercurial/manifest.py not using absolute_import
   mercurial/mdiff.py not using absolute_import
   mercurial/obsolete.py not using absolute_import
   mercurial/patch.py not using absolute_import
   mercurial/pure/__init__.py not using absolute_import
   mercurial/pure/base85.py not using absolute_import
   mercurial/pure/bdiff.py not using absolute_import
   mercurial/pure/diffhelpers.py not using absolute_import
   mercurial/pure/mpatch.py not using absolute_import
   mercurial/pure/osutil.py not using absolute_import
   mercurial/pure/parsers.py not using absolute_import
   mercurial/pvec.py not using absolute_import
   mercurial/py3kcompat.py not using absolute_import
   mercurial/revlog.py not using absolute_import
   mercurial/scmposix.py not using absolute_import
   mercurial/scmutil.py not using absolute_import
   mercurial/scmwindows.py not using absolute_import
   mercurial/similar.py not using absolute_import
   mercurial/store.py not using absolute_import
   mercurial/util.py not using absolute_import
   mercurial/windows.py not using absolute_import
   setup.py not using absolute_import
   tests/filterpyflakes.py requires print_function
   tests/generate-working-copy-states.py requires print_function
-  tests/get-with-headers.py not using absolute_import
   tests/get-with-headers.py requires print_function
   tests/heredoctest.py not using absolute_import
   tests/heredoctest.py requires print_function
   tests/hghave.py not using absolute_import
   tests/hgweberror.py not using absolute_import
   tests/hypothesishelpers.py not using absolute_import
   tests/hypothesishelpers.py requires print_function
   tests/killdaemons.py not using absolute_import
   tests/md5sum.py not using absolute_import
   tests/mockblackbox.py not using absolute_import
   tests/printenv.py not using absolute_import
   tests/readlink.py not using absolute_import
   tests/readlink.py requires print_function
   tests/revlog-formatv0.py not using absolute_import
   tests/run-tests.py not using absolute_import
   tests/seq.py not using absolute_import
   tests/seq.py requires print_function
   tests/silenttestrunner.py not using absolute_import
   tests/silenttestrunner.py requires print_function
   tests/sitecustomize.py not using absolute_import
   tests/svn-safe-append.py not using absolute_import
   tests/svnxml.py not using absolute_import
   tests/test-ancestor.py requires print_function
   tests/test-atomictempfile.py not using absolute_import
   tests/test-batching.py not using absolute_import
   tests/test-batching.py requires print_function
   tests/test-bdiff.py not using absolute_import
   tests/test-bdiff.py requires print_function
   tests/test-context.py not using absolute_import
   tests/test-context.py requires print_function
   tests/test-demandimport.py not using absolute_import
   tests/test-demandimport.py requires print_function
   tests/test-dispatch.py not using absolute_import
   tests/test-dispatch.py requires print_function
   tests/test-doctest.py not using absolute_import
   tests/test-duplicateoptions.py not using absolute_import
   tests/test-duplicateoptions.py requires print_function
   tests/test-filecache.py not using absolute_import
   tests/test-filecache.py requires print_function
   tests/test-filelog.py not using absolute_import
   tests/test-filelog.py requires print_function
   tests/test-hg-parseurl.py not using absolute_import
   tests/test-hg-parseurl.py requires print_function
   tests/test-hgweb-auth.py not using absolute_import
   tests/test-hgweb-auth.py requires print_function
   tests/test-hgwebdir-paths.py not using absolute_import
   tests/test-hybridencode.py not using absolute_import
   tests/test-hybridencode.py requires print_function
   tests/test-lrucachedict.py not using absolute_import
   tests/test-lrucachedict.py requires print_function
   tests/test-manifest.py not using absolute_import
   tests/test-minirst.py not using absolute_import
   tests/test-minirst.py requires print_function
   tests/test-parseindex2.py not using absolute_import
   tests/test-parseindex2.py requires print_function
   tests/test-pathencode.py not using absolute_import
   tests/test-pathencode.py requires print_function
   tests/test-propertycache.py not using absolute_import
   tests/test-propertycache.py requires print_function
   tests/test-revlog-ancestry.py not using absolute_import
   tests/test-revlog-ancestry.py requires print_function
   tests/test-run-tests.py not using absolute_import
   tests/test-simplemerge.py not using absolute_import
   tests/test-status-inprocess.py not using absolute_import
   tests/test-status-inprocess.py requires print_function
   tests/test-symlink-os-yes-fs-no.py not using absolute_import
   tests/test-trusted.py not using absolute_import
   tests/test-trusted.py requires print_function
   tests/test-ui-color.py not using absolute_import
   tests/test-ui-color.py requires print_function
   tests/test-ui-config.py not using absolute_import
   tests/test-ui-config.py requires print_function
   tests/test-ui-verbosity.py not using absolute_import
   tests/test-ui-verbosity.py requires print_function
   tests/test-url.py not using absolute_import
   tests/test-url.py requires print_function
   tests/test-walkrepo.py not using absolute_import
   tests/test-walkrepo.py requires print_function
   tests/test-wireproto.py not using absolute_import
   tests/test-wireproto.py requires print_function
   tests/tinyproxy.py not using absolute_import
   tests/tinyproxy.py requires print_function