Allow output redirection on Windows.

Closes #88.

README.rst

@@ -1026,6 +1026,7 @@ Changelog
 *You can click a version name to see a diff with the previous one.*
 
 * `0.2.8-alpha`_
+    * Allow output redirection on Windows.
     * Added config file.
     * Added persistent session support.
     * Renamed ``--allow-redirects`` to ``--follow``.

httpie/input.py

@@ -96,10 +96,6 @@ class Parser(ArgumentParser):
 
         self.env = env
 
-        if env.is_windows and not env.stdout_isatty:
-            self.error('Output redirection is not supported on Windows.'
-                  ' Please use `--output FILE\' instead.')
-
         args = super(Parser, self).parse_args(args, namespace)
 
         if not args.json and env.config.implicit_content_type == 'form':
@@ -244,7 +240,7 @@ class Parser(ArgumentParser):
         if args.prettify == PRETTY_STDOUT_TTY_ONLY:
             args.prettify = PRETTY_MAP['all' if env.stdout_isatty else 'none']
         elif args.prettify and env.is_windows:
-            self.error('Only terminal output can be prettified on Windows.')
+            self.error('Only terminal output can be colorized on Windows.')
         else:
             args.prettify = PRETTY_MAP[args.prettify]
 

tests/tests.py

@@ -941,17 +941,6 @@ class WindowsOnlyTests(BaseTestCase):
 
 class FakeWindowsTest(BaseTestCase):
 
-    def test_stdout_redirect_not_supported_on_windows(self):
-        env = TestEnvironment(is_windows=True, stdout_isatty=False)
-        r = http(
-            'GET',
-            httpbin('/get'),
-            env=env
-        )
-        self.assertNotEqual(r.exit_status, EXIT.OK)
-        self.assertIn('Windows', r.stderr)
-        self.assertIn('--output', r.stderr)
-
     def test_output_file_pretty_not_allowed_on_windows(self):
 
         r = http(
@@ -963,7 +952,7 @@ class FakeWindowsTest(BaseTestCase):
             env=TestEnvironment(is_windows=True)
         )
         self.assertIn(
-            'Only terminal output can be prettified on Windows', r.stderr)
+            'Only terminal output can be colorized on Windows', r.stderr)
 
 
 class StreamTest(BaseTestCase):