remove matplotlib requirement files (#26948)

python/paddle/utils/__init__.py

@@ -12,14 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from .plot import Ploter
 from .profiler import ProfilerOptions
 from .profiler import Profiler
 from .profiler import get_profiler
 from .deprecated import deprecated
 from . import download
 
-__all__ = ['dump_config', 'Ploter', 'deprecated', 'download']
+__all__ = ['dump_config', 'deprecated', 'download']
 
 #TODO: define new api under this directory
 # __all__ = ['unique_name',

python/paddle/utils/plot.py

-# Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import os
-import six
-
-
-class PlotData(object):
-    def __init__(self):
-        self.step = []
-        self.value = []
-
-    def append(self, step, value):
-        self.step.append(step)
-        self.value.append(value)
-
-    def reset(self):
-        self.step = []
-        self.value = []
-
-
-class Ploter(object):
-    """
-        Plot input data in a 2D graph
-        
-        Args:
-            title: assign the title of input data.
-            step: x_axis of the data.
-            value: y_axis of the data.
-    """
-
-    def __init__(self, *args):
-        self.__args__ = args
-        self.__plot_data__ = {}
-        for title in args:
-            self.__plot_data__[title] = PlotData()
-        # demo in notebooks will use Ploter to plot figure, but when we convert
-        # the ipydb to py file for testing, the import of matplotlib will make the
-        # script crash. So we can use `export DISABLE_PLOT=True` to disable import
-        # these libs
-        self.__disable_plot__ = os.environ.get("DISABLE_PLOT")
-        if not self.__plot_is_disabled__():
-            import matplotlib.pyplot as plt
-            from IPython import display
-            self.plt = plt
-            self.display = display
-
-    def __plot_is_disabled__(self):
-        return self.__disable_plot__ == "True"
-
-    def append(self, title, step, value):
-        """
-        Feed data
-
-        Args:
-                title: assign the group data to this subtitle.
-                step: the x_axis of data.
-                value: the y_axis of data.
-            
-            Examples:
-                .. code-block:: python
-                plot_curve = Ploter("Curve 1","Curve 2")
-                plot_curve.append(title="Curve 1",step=1,value=1)
-        """
-        assert isinstance(title, six.string_types)
-        assert title in self.__plot_data__
-        data = self.__plot_data__[title]
-        assert isinstance(data, PlotData)
-        data.append(step, value)
-
-    def plot(self, path=None):
-        """
-            Plot data in a 2D graph
-
-            Args:
-                path: store the figure to this file path. Defaul None. 
-              
-            Examples:
-                .. code-block:: python
-                plot_curve = Ploter()
-                plot_cure.plot()
-        """
-        if self.__plot_is_disabled__():
-            return
-
-        titles = []
-        for title in self.__args__:
-            data = self.__plot_data__[title]
-            assert isinstance(data, PlotData)
-            if len(data.step) > 0:
-                titles.append(title)
-                self.plt.plot(data.step, data.value)
-        self.plt.legend(titles, loc='upper left')
-        if path is None:
-            self.display.clear_output(wait=True)
-            self.display.display(self.plt.gcf())
-        else:
-            self.plt.savefig(path)
-        self.plt.gcf().clear()
-
-    def reset(self):
-        for key in self.__plot_data__:
-            data = self.__plot_data__[key]
-            assert isinstance(data, PlotData)
-            data.reset()