Fix progressbar on jupyter notebooks.

Earlier progressbars would not render on notebooks since stdout is not a
tty.  This is now fixed.

pysph/solver/application.py

@@ -27,8 +27,8 @@
 from pysph.base import kernels
 from compyle.config import get_config
 from compyle.profile import print_profile, profile2csv, get_profile_info
-from pysph.solver.controller import CommandManager
-from pysph.solver.utils import mkdir, load, get_files, get_free_port
+from .controller import CommandManager
+from .utils import mkdir, load, get_files, get_free_port, is_using_ipython
 
 # conditional parallel imports
 from pysph import has_mpi, has_zoltan, in_parallel
@@ -40,20 +40,6 @@
 logger = logging.getLogger(__name__)
 
 
-def is_using_ipython():
-    """Return True if the code is being run from an IPython session or
-    notebook.
-    """
-    try:
-        # If this is being run inside an IPython console or notebook
-        # then this is defined.
-        __IPYTHON__
-    except NameError:
-        return False
-    else:
-        return True
-
-
 def list_all_kernels():
     """Return list of available kernels.
     """

pysph/solver/utils.py

@@ -66,6 +66,20 @@ def get_free_port(start, skip=None):
                         raise
 
 
+def is_using_ipython():
+    """Return True if the code is being run from an IPython session or
+    notebook.
+    """
+    try:
+        # If this is being run inside an IPython console or notebook
+        # then this is defined.
+        __IPYTHON__
+    except NameError:
+        return False
+    else:
+        return True
+
+
 def check_array(x, y):
     """Check if two arrays are equal with an absolute tolerance of
     1e-16."""
@@ -123,7 +137,7 @@ def __init__(self, ti, tf, show=True, file=None, ascii=False):
         self.ascii = ascii
         if not ascii and not _supports_unicode(self.file):
             self.ascii = True
-        if not self.file.isatty():
+        if not self.file.isatty() and not is_using_ipython():
             self.show = False
         self.display()