let acceptable types specify their quality (#26)

mimeparse.py

@@ -110,6 +110,9 @@ def quality_and_fitness_parsed(mime_type, parsed_ranges):
             ])
             fitness += param_matches
 
+            # finally, add the target's "q" param (between 0 and 1)
+            fitness += float(target_params.get('q', 1))
+
             if fitness > best_fitness:
                 best_fitness = fitness
                 best_fit_q = params['q']

testdata.json

@@ -186,6 +186,22 @@
             "text/html",
             "match should use highest order of supported when there is a tie"
         ],
+        [
+            [
+                ["application/json;q=1.0", "text/html;q=0.9", "text/plain;q=0.1"],
+                "*/*"
+            ],
+            "application/json;q=1.0",
+            "*/* match should pick an acceptable type with the highest quality"
+        ],
+        [
+            [
+                ["text/html;q=0.9", "application/json", "text/plain;q=0.1"],
+                "*/*"
+            ],
+            "application/json",
+            "*/* match should pick an acceptable type with the highest quality, even if it's implicit"
+        ],
         [
             [
                 ["application/json", "text/html"],