updates to scala documentation viewer

--HG--
branch : pmacs2

application.py

@@ -755,8 +755,11 @@ class Application(object):
 
     # running external programs
     def run_pipe(self, args, b, name='*Output*', switch=True, modename=None):
-        pipe = Popen(args=args, stdin=PIPE, stdout=PIPE, stderr=STDOUT)
+        #pipe = Popen(args=args, stdin=PIPE, stdout=PIPE, stderr=STDOUT)
         data = b.make_string().encode('utf-8')
+        return self.run_pipe2(args, data, name, switch, modename)
+    def run_pipe2(self, args, data, name='*Output*', switch=True, modename=None):
+        pipe = Popen(args=args, stdin=PIPE, stdout=PIPE, stderr=STDOUT)
         try:
             pipe.stdin.write(data)
             pipe.stdin.close()
@@ -770,7 +773,8 @@ class Application(object):
             switch_to = switch(status)
         else:
             switch_to = bool(switch)
-        self.data_buffer(name, output, switch_to=switch_to, modename=modename)
+        self.data_buffer(name, output.decode('utf-8'), switch_to=switch_to,
+                         modename=modename)
         return status
     def run_external(self, *args):
         curses.reset_shell_mode()

mode/scala.py

@@ -107,24 +107,39 @@ class ScalaDocBrowse(Method):
 class ScalaDocLookup(Method):
     args = [arg('name', t='string', p='Name: ', dv=default.current_word,
                 ld=True, h='The Scala name to get help on')]
+    def _get_path(self, w, name):
+        return w.application.getpath('cache', 'scala', name)
+    def _get_url(self, w, name, url):
+        path = self._get_path(w, name)
+        w.application.mkdirs('cache', 'scala')
+
+        if not os.path.exists(path):
+            open(path, 'w').write(urllib2.urlopen(url).read())
+
+        html = open(path, 'r').read()
+        return html
+
     def _execute(self, w, **vargs):
         try:
-            import BeautifulSoup
+            from BeautifulSoup import BeautifulSoup
         except ImportError:
             w.set_error('BeautifulSoup is not installed...')
             return
 
         a    = w.application
         name = vargs.get('name')
-        path = a.getpath('cache', 'scala', 'api.html')
-        url  = a.config['scala.api']
+        html = self._get_url(w, 'api.html', a.config['scala.api'])
+        soup = BeautifulSoup(html)
 
-        a.mkdirs('cache', 'scala')
+        tags = soup.findAll('li')
+        for li in tags:
+            if li['title'].endswith(name):
+                frag = li.contents[0]['href']
+                url2 = a.config['scala.api-base'] + '/' + frag
+                a.run_external('links', url2)
+                return
 
-        if not os.path.exists(path):
-            open(path, 'w').write(urllib2.urlopen(url).read())
-
-        w.set_error('looking up %s...' % name)
+        w.set_error('error looking up %s...' % name)
 
 # white is for delimiters, operators, numbers
 default = ('default', 'default')
@@ -171,6 +186,7 @@ class Scala(Fundamental):
     closetags   = {')': '(', ']': '[', '}': '{'}
     config = {
         'scala.api': 'http://www.scala-lang.org/api/current/allclasses.html',
+        'scala.api-base': 'http://www.scala-lang.org/api/current',
     }
 
     colors      = {