Added --style

Closes #6. Thanks, @iromli.

httpie/httpie.py

@@ -66,6 +66,8 @@ group_only.add_argument('--headers', '-t', dest='print_body',
 group_only.add_argument('--body', '-b', dest='print_headers',
                         action='store_false', default=True,
                         help='Print only the response body.')
+parser.add_argument('--style', '-s', dest='style', default='solarized',
+                    help='Output coloring style')
 
 
 # ``requests.request`` keyword arguments.
@@ -167,11 +169,11 @@ def main():
 
     if args.prettify and sys.stdout.isatty():
         if args.print_headers:
-            status_line = pretty.prettify_http(status_line).strip()
-            headers = pretty.prettify_http(headers)
+            status_line = pretty.prettify_http(status_line, args.style).strip()
+            headers = pretty.prettify_http(headers, args.style)
         if args.print_body:
             body = pretty.prettify_body(body,
-                response.headers['content-type'])
+                response.headers['content-type'], args.style)
 
     if args.print_headers:
         print status_line

httpie/pretty.py

@@ -1,16 +1,23 @@
-import json
-from functools import partial
-import pygments
+import re
 import os
+import json
+import pygments
+from pygments import token
+from pygments.util import ClassNotFound
 from pygments.lexers import get_lexer_for_mimetype
 from pygments.formatters.terminal256 import Terminal256Formatter
 from pygments.formatters.terminal import TerminalFormatter
 from pygments.lexer import RegexLexer, bygroups
-from pygments import token
+from pygments.styles import get_style_by_name, STYLE_MAP
 from . import solarized
 
 
+DEFAULT_STYLE = 'solarized'
+AVAILABLE_STYLES = [DEFAULT_STYLE] + STYLE_MAP.keys()
 TYPE_JS = 'application/javascript'
+FORMATTER = (Terminal256Formatter
+             if os.environ.get('TERM', None) == 'xterm-256color'
+             else TerminalFormatter)
 
 
 class HTTPLexer(RegexLexer):
@@ -25,23 +32,20 @@ class HTTPLexer(RegexLexer):
             (r'(.*?:)(.+)',  bygroups(token.Name, token.String))
     ]}
 
-if os.environ['TERM'] == 'xterm-256color':
-    formatter = Terminal256Formatter
+
+class PrettyHttp(object):
+
+    def __init__(self, style_name):
+        if style_name == 'solarized':
+            style = solarized.SolarizedStyle
         else:
-    formatter = TerminalFormatter
+            style = get_style_by_name(style_name)
+        self.formatter = FORMATTER(style=style)
 
+    def headers(self, content):
+        return pygments.highlight(content, HTTPLexer(), self.formatter).strip()
 
-highlight = partial(pygments.highlight,
-                    formatter=formatter(
-                        style=solarized.SolarizedStyle))
-highlight_http = partial(highlight, lexer=HTTPLexer())
-
-
-def prettify_http(headers):
-    return highlight_http(headers)
-
-
-def prettify_body(content, content_type):
+    def body(self, content, content_type):
         content_type = content_type.split(';')[0]
         if 'json' in content_type:
             content_type = TYPE_JS
@@ -53,10 +57,9 @@ def prettify_body(content, content_type):
                 pass
         try:
             lexer = get_lexer_for_mimetype(content_type)
-        content = highlight(code=content, lexer=lexer)
-        if content:
-            content = content[:-1]
-    except Exception:
-        pass
+        except ClassNotFound:
             return content
-
+        content = pygments.highlight(content, lexer, self.formatter)
+        # TODO: Make sure the leading/trailing whitespaces remain.
+        #        Some of the Pygments styles add superfluous line breaks.
+        return content.strip()

tests.py

@@ -0,0 +1,3 @@
+import unittest
+
+