i am awesome

--HG--
branch : pmacs2

application.py

@@ -601,7 +601,10 @@ class Application(object):
 
             line = lines[y]
             s    = line[x:x + slot.width]
-            self.win.addstr(slot.offset + count, 0, s)
+            try:
+                self.win.addstr(slot.offset + count, 0, s)
+            except:
+                self.set_error("addstr(%r + %r, %r, %r)" % (slot.offset, count, 0, s))
             if x + slot.width >= len(line):
                 x = 0
                 y += 1
@@ -735,12 +738,18 @@ class Application(object):
         self.win.addnstr(self.y-1, 0, util.pad('', l), l)
 
 def open_aes_file(path, nl, name=None):
-    p = getpass.getpass("Please enter the AES password: ")
-    b = buffer2.AesBuffer(path, p, nl, name)
-    return b
+    if os.path.isfile(path):
+        p = getpass.getpass("Please enter the AES password: ")
+        return buffer2.AesBuffer(path, p, nl, name)
+    else:
+        raise Exception, "can't open %r; unsupported file type" % path
 def open_plain_file(path, nl, name=None):
-    b = buffer2.FileBuffer(path, nl, name)
-    return b
+    if os.path.isfile(path):
+        return buffer2.FileBuffer(path, nl, name)
+    elif os.path.isdir(path):
+        return buffer2.DirBuffer(path, nl, name)
+    else:
+        raise Exception, "can't open %r; unsupported file type" % path
 
 if __name__ == "__main__":
     ciphers   = { 'none': open_plain_file, 'aes': open_aes_file }

buffer2.py

@@ -417,6 +417,9 @@ class FileBuffer(Buffer):
             self.store_checksum(data)
         else:
             data = ''
+        for i in range(0, 8):
+            if ord(data[i]) > 127:
+                raise Exception, "editing binary files is not supported"
         data = self.read_filter(data)
         #FIXME: this is horrible...but maybe not as horrible as using tabs??
         data = data.replace("\t", "    ")

minibuffer.py

@@ -6,6 +6,7 @@ class MiniBufferError(Exception):
 # minibuffer is a singleton
 mini = None
 class MiniBuffer(buffer2.Buffer):
+    btype = 'mini'
     def __new__(cls, *args, **kwargs):
         global mini
         if mini is None:

window2.py

@@ -32,10 +32,12 @@ class Window(object):
             pass
         elif hasattr(self.buffer, 'modename') and self.buffer.modename is not None:
             mode_name = self.buffer.modename
-        elif self.buffer.name() == "*Minibuffer*":
+        elif self.buffer.btype == 'mini':
             mode_name = 'mini'
-        elif self.buffer.name() == "*Console*":
+        elif self.buffer.btype == 'console':
             mode_name = "fundamental"
+        elif self.buffer.btype == 'dir':
+            mode_name = 'dir'
         elif hasattr(self.buffer, 'path'):
             path = self.buffer.path
             basename = os.path.basename(path)