Add HTTP Get, a sample (but still somewhat useful) request

bin/httpget

@@ -0,0 +1,6 @@
+#!/usr/bin/python -tt
+
+import requestbuilder.commands.http
+
+if __name__ == '__main__':
+    requestbuilder.commands.http.Get.run()

requestbuilder/commands/__init__.py

@@ -0,0 +1,13 @@
+# Copyright (c) 2013, Eucalyptus Systems, Inc.
+#
+# Permission to use, copy, modify, and/or distribute this software for
+# any purpose with or without fee is hereby granted, provided that the
+# above copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

requestbuilder/commands/http.py

@@ -0,0 +1,57 @@
+# Copyright (c) 2013, Eucalyptus Systems, Inc.
+#
+# Permission to use, copy, modify, and/or distribute this software for
+# any purpose with or without fee is hereby granted, provided that the
+# above copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import argparse
+import os.path
+from requestbuilder import Arg, SERVICE
+from requestbuilder.mixins import FileTransferProgressBarMixin
+from requestbuilder.request import BaseRequest
+import sys
+
+
+class Get(BaseRequest, FileTransferProgressBarMixin):
+    DESCRIPTION = 'A simple HTTP GET request'
+    ARGS = [Arg('url', metavar='URL', route_to=SERVICE,
+                help='URL to download (required)'),
+            Arg('dest', metavar='PATH', route_to=None,
+                help='where to download to (required)'),
+            Arg('--label', route_to=None, help=argparse.SUPPRESS)]
+
+    def parse_response(self, response):
+        if ('Content-Length' in response.headers and
+            response.headers.get('Content-Encoding') != 'gzip'):
+            # The Content-Length for a gzipped response is that of the
+            # compressed data, not the raw data that requests/urllib3 give us.
+            # Since we can't tell how much has been read from the socket from
+            # this level we don't show progress for gzipped # responses --
+            # they'd overflow the max value otherwise.
+            maxval = int(response.headers['Content-Length'])
+        else:
+            maxval = None
+        label = self.args.get('label') or os.path.basename(self.args['url'])
+        bar = self.get_progressbar(label=label, maxval=maxval)
+        with open(self.get_dest_path(), 'w') as ofile:
+            bar.start()
+            for chunk in response.iter_content(chunk_size=8192):
+                ofile.write(chunk)
+                bar.update(ofile.tell())
+            bar.finish()
+            return self.get_dest_path(), ofile.tell()
+
+    def get_dest_path(self):
+        if os.path.isdir(self.args['dest']):
+            return os.path.join(self.args['dest'],
+                                os.path.basename(self.args['url']))
+        else:
+            return self.args['dest']

setup.py

@@ -71,7 +71,9 @@ setup(name = 'requestbuilder',
       description = 'Command line-driven HTTP request builder',
       author = 'Garrett Holmstrom (gholms)',
       author_email = 'gholms@devzero.com',
-      packages = ['requestbuilder'],
+      packages = ['requestbuilder',
+                  'requestbuilder.commands',
+                 ]
       license = 'ISC',
       platforms = 'Posix; MacOS X',
       classifiers = ['Development Status :: 3 - Alpha',
@@ -83,8 +85,8 @@ setup(name = 'requestbuilder',
                      'Programming Language :: Python :: 2.7',
                      'Topic :: Internet'],
       install_requires = [
-          "requests",
           "argparse",
+          "requests",
           "six",
       ],
       cmdclass = {'build_py': build_py_with_git_version,