CLN: Completely remove print_update and replace with logger.

Author: danielballan

trackpy/framewise_data.py

@@ -1,15 +1,15 @@
 from __future__ import (absolute_import, division, print_function,
                         unicode_literals)
 import six
+import logging
 import os
 from abc import ABCMeta, abstractmethod, abstractproperty
 
 import pandas as pd
 
-from .utils import print_update
-
-__all__ = ['PandasHDFStore', 'PandasHDFStoreBig', 'PandasHDFStoreSingleNode',
-           'FramewiseData']
+logger = logging.getLogger(__name__)
+__all__ = ['FramewiseData', 'PandasHDFStore', 'PandasHDFStoreBig',
+           'PandasHDFStoreSingleNode']
 
 
 class FramewiseData(object):
@@ -318,6 +318,6 @@ def _make_tabular_copy(store, key):
     """Copy the contents nontabular node in a pandas HDFStore
     into a tabular node"""
     tabular_key = key + '/tabular'
-    print_update("Making a tabular copy of %s at %s" % (key, tabular_key))
+    logger.info("Making a tabular copy of %s at %s", (key, tabular_key))
     store.append(tabular_key, store.get(key), data_columns=True)
     return tabular_key

trackpy/plots.py

@@ -7,17 +7,14 @@
 from collections import Iterable
 from functools import wraps
 import warnings
+import logging
 
 import numpy as np
 import pandas as pd
 from pandas import DataFrame, Series
 
-from .utils import print_update
-
-__all__ = ['annotate', 'plot_traj', 'ptraj', 'plot_displacements',
-           'subpx_bias', 'mass_ecc', 'mass_size']
-
 
+logger = logging.getLogger(__name__)
 __all__ = ['annotate', 'plot_traj', 'ptraj', 'plot_displacements',
            'subpx_bias', 'mass_size', 'mass_ecc']
 
@@ -135,8 +132,8 @@ def plot_traj(traj, colorby='particle', mpp=None, label=False,
         x = traj.set_index([t_column, 'particle'])['x'].unstack()
         y = traj.set_index([t_column, 'particle'])['y'].unstack()
         color_numbers = traj[t_column].values/float(traj[t_column].max())
-        print_update("Drawing multicolor lines takes awhile. "
-                     "Come back in a minute.")
+        logger.info("Drawing multicolor lines takes awhile. "
+                    "Come back in a minute.")
         for particle in x:
             points = np.array(
                 [x[particle].values, y[particle].values]).T.reshape(-1, 1, 2)

trackpy/utils.py

@@ -180,16 +180,6 @@ def record_meta(meta_data, file_obj):
     pass
 
 
-def print_update(message):
-    "Print a message immediately; do not wait for current execution to finish."
-    try:
-        clear_output()
-    except Exception:
-        pass
-    print(message)
-    sys.stdout.flush()
-
-
 class IPythonStreamHandler(logging.StreamHandler):
     "A StreamHandler for logging that clears output between entries."
     def emit(self, s):