JobStatusDisplay: add a _set_width() method

diff --git a/pym/_emerge/JobStatusDisplay.py b/pym/_emerge/JobStatusDisplay.py
index 200e196b5bfc3c40ec7ce3de18768baf53612314..d3d330d304bbd3cea26bed1bce61083a6819f98d 100644 (file)
--- a/pym/_emerge/JobStatusDisplay.py
+++ b/pym/_emerge/JobStatusDisplay.py
@@ -47,11 +47,6 @@ class JobStatusDisplay(object):
                object.__setattr__(self, "_displayed", False)
                object.__setattr__(self, "_last_display_time", 0)
 
-               width = portage.output.get_term_size()[1]
-               if width <= 0 or width > 80:
-                       width = 80
-               object.__setattr__(self, "width", width)
-               object.__setattr__(self, "_jobs_column_width", width - 32)
                self.reset()
 
                isatty = os.environ.get('TERM') != 'dumb' and \
@@ -68,6 +63,20 @@ class JobStatusDisplay(object):
                        if not isinstance(v, basestring):
                                self._term_codes[k] = v.decode(encoding, 'replace')
 
+               if self._isatty:
+                       width = portage.output.get_term_size()[1]
+               else:
+                       width = 80
+               self._set_width(width)
+
+       def _set_width(self, width):
+               if width == getattr(self, 'width', None):
+                       return
+               if width <= 0 or width > 80:
+                       width = 80
+               object.__setattr__(self, "width", width)
+               object.__setattr__(self, "_jobs_column_width", width - 32)
+
        @property
        def out(self):
                """Use a lazy reference to sys.stdout, in case the API consumer has