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visualize.py
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visualize.py
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"""
Main lunch script for REMIX visualization including the arg parser and the
server startup code.
"""
import argparse
import os
import sys
import pandas as pd
from remix.data.dataset_configs import (
get_data_configuration, AVAILABLE_DATASETS
)
from flexx import flx, ui
from io import StringIO
from pscript.stubs import window
from remix.data.descriptors import DatasetDescriptor
from remix.rules.ruleset import Ruleset
from remix.visualization.feature_explorer import FeatureExplorerComponent
from remix.visualization.prediction_explorer import PredictComponent
from remix.visualization.rule_explorer import RuleExplorerComponent
from remix.visualization.rule_list import RuleListComponent
from remix.visualization.rule_statistics import RuleStatisticsComponent
from remix.visualization.ruleset_loader import RulesetUploader
from remix.visualization.uploader import FileUploader
################################################################################
## Core REMIX Flexx Widgets
################################################################################
class RulesetLoadWindow(flx.PyComponent):
"""
Widget for loading up a rule set from a given file when the application
is started without a rule set in it.
"""
def init(self):
self.ruleset = Ruleset()
self.dataset = None
with ui.VBox(flex=1):
ui.Widget(flex=1) # Filler
with ui.HBox(flex=1):
ui.Widget(flex=1) # Filler
self.ruleset_label = flx.Label(
text="Load Ruleset",
css_class="ruleset-load-text",
)
self.upload_ruleset = RulesetUploader(
text="upload",
css_class='tool-bar-button',
)
ui.Widget(flex=1) # Filler
with ui.HBox(flex=1):
ui.Widget(flex=1) # Filler
self.dataset_label = flx.Label(
text="Load Dataset",
css_class="ruleset-load-text",
)
self.upload_dataset = FileUploader(
text="upload",
binary=False,
css_class='tool-bar-button',
)
ui.Widget(flex=1) # Filler
with ui.HBox(flex=1):
ui.Widget(flex=1) # Filler
flx.Label(
text="Dataset Descriptor",
css_class="ruleset-load-text",
)
self.descriptor_selector = flx.ComboBox(
options=AVAILABLE_DATASETS + ["other"],
selected_index=len(AVAILABLE_DATASETS),
)
ui.Widget(flex=1) # Filler
with ui.HBox(flex=1):
ui.Widget(flex=1) # Filler
self.continue_but = flx.Button(
text="Continue",
css_class='tool-bar-button',
disabled=True,
)
ui.Widget(flex=1) # Filler
ui.Widget(flex=1) # Filler
@flx.reaction('upload_ruleset.loading_error')
def _ruleset_loading_error(self, *events):
self.continue_but.set_disabled(True)
self.ruleset_label.set_html(
f'<span style="color: red;"> Load Ruleset </span>'
)
@flx.reaction('upload_ruleset.ruleset_load_ended')
def _ruleset_loaded(self, *events):
self.continue_but.set_disabled(False)
self.ruleset_label.set_html(
f'<span style="color: #4CAF50;"> Load Ruleset </span>'
)
self.ruleset = events[-1]['ruleset']
@flx.reaction('upload_dataset.reading_error')
def _dataset_loading_error(self, *events):
self.dataset_label.set_html(
f'<span style="color: red;"> Load Dataset </span>'
)
@flx.reaction('upload_dataset.file_loaded')
def _dataset_loaded(self, *events):
self.continue_but.set_disabled(False)
data_str = events[-1]['filedata']
try:
df = pd.read_csv(StringIO(data_str), sep=",")
descriptor_ind = self.descriptor_selector.selected_index
if descriptor_ind < len(AVAILABLE_DATASETS):
self.dataset = get_data_configuration(
AVAILABLE_DATASETS[descriptor_ind]
)
else:
self.dataset = DatasetDescriptor()
self.dataset.process_dataframe(df)
self.dataset_label.set_html(
f'<span style="color: #4CAF50;"> Load Dataset </span>'
)
except Exception as e:
self.dataset_label.set_html(
f'<span style="color: red;"> Load Dataset </span>'
)
self.dataset = None
self.data_loading_error(e)
@flx.emitter
def data_loading_error(self, e):
return {'error': e}
@flx.emitter
def ruleset_loading_error(self, e):
return {'error': e}
@flx.reaction('continue_but.pointer_click')
def _continue_click(self, *events):
for event in events:
self.loading_complete()
@flx.emitter
def loading_complete(self):
return {
'ruleset': self.ruleset,
'dataset': self.dataset,
}
class RemixCore(flx.PyComponent):
"""
Core REMIX widget when rule set has been loaded into the app.
"""
tabs = flx.ListProp(settable=True)
def init(self):
with flx.VBox(title="Remix"):
with flx.HBox():
flx.Label(
text="REMIX",
style=(
"font-family: 'Josefin Sans', sans-serif;"
"font-size: 500%;"
"padding-top: 20px;"
),
)
with ui.TabLayout(flex=1):
self.add_tab(RuleStatisticsComponent())
self.add_tab(PredictComponent(
self.root.state.ruleset,
))
self.add_tab(RuleExplorerComponent())
if self.root.state.dataset is not None:
# Then we add the feature explorer window
self.add_tab(FeatureExplorerComponent())
self.add_tab(RuleListComponent(
self.root.state.ruleset,
))
@flx.action
def add_tab(self, widget):
self._mutate_tabs(
[widget],
'insert',
len(self.tabs),
)
@flx.reaction("tabs*.ruleset_update")
def update_view(self, *events):
for event in events:
for i, tab in enumerate(self.tabs):
if tab.id == event["source_id"]:
# Then nothing to do here
continue
# As this tab to get updated!
tab.perform_update(event)
class CamRuleState(object):
"""
Class representing the global state that is shared across all windows of
the REMIX visualization.
This state includes the ruleset, the dataset descriptor (if given), and
some minor flags defining how certain visualization aspects should be
handled.
"""
def __init__(
self,
ruleset=None,
dataset=None,
show_tools=False,
merge_branches=False,
):
self.ruleset = ruleset
if ruleset is not None:
self.original_ruleset = ruleset.copy()
else:
self.original_ruleset = None
self.dataset = dataset
self.show_tools = show_tools
self._feature_ranges = {}
self.merge_branches = merge_branches
def set_ruleset(self, ruleset):
self.ruleset = ruleset
if ruleset is not None:
self.original_ruleset = ruleset.copy()
def reset_ruleset(self):
if self.original_ruleset is not None:
self.ruleset = self.original_ruleset.copy()
def merge_ruleset(self, other):
if self.ruleset is not None:
self.ruleset.merge(other)
else:
self.set_ruleset(other)
def get_feature_range(self, feature, empirical=True):
"""
Returns the range of feature with name `feature`.
:param str feature: The name of the feature of interest.
:param bool empirical: Whether or not to use the empirical bounds
found from this feature in the provided data.
:return Tuple[float, float]: The (min, max) inclusive bound for the
requested feature.
"""
if empirical and (feature in self._feature_ranges):
return self._feature_ranges[feature]
if self.dataset is None:
# Then we cannot bound this guy
return (-float("inf"), float("inf"))
(min_val, max_val) = self.dataset.get_feature_ranges(feature)
if empirical and (min_val in [float("inf"), -float("inf")]):
# Then we will use the empirical limit for visualization
# purposes
min_val = min(self.dataset.data[feature])
if empirical and (max_val in [float("inf"), -float("inf")]):
# Then we will use the empirical limit for visualization
# purposes
max_val = max(self.dataset.data[feature])
result = (min_val, max_val)
if empirical:
self._feature_ranges[feature] = result
return result
class Remix(flx.PyComponent):
"""
Primary and main REMIXZ widget describing our entire visualization
application.
"""
windows = flx.ListProp(settable=True)
current_window = flx.IntProp(0, settable=True)
def init(
self,
ruleset=None,
dataset=None,
show_tools=False,
merge_branches=False,
):
self.state = CamRuleState(
ruleset=ruleset,
dataset=dataset,
show_tools=show_tools,
merge_branches=merge_branches,
)
with ui.VBox(title="Remix"):
with ui.StackLayout(flex=1) as self.stack:
self._mutate_windows(
[
RulesetLoadWindow() if ruleset is None
else RemixCore()
],
'insert',
len(self.windows),
)
@flx.reaction('!windows*.loading_complete')
def complete_loading(self, event):
self.state.set_ruleset(event['ruleset'])
self.state.dataet = event.get('dataset', None)
# Now build up the rest of the application given that we have provided
# consent
with self:
with self.stack:
self._mutate_windows(
[RemixCore()],
'insert',
len(self.windows),
)
self.set_current_window(
(self.current_window + 1) % len(self.windows)
)
self.stack.set_current(self.current_window)
################################################################################
## Helper Functions
################################################################################
def build_parser():
"""
Helper function to build our program's argument parser.
:returns ArgumentParser: The parser for our program's configuration.
"""
parser = argparse.ArgumentParser(
description=(
'Lunches REMIX for visualizing rulesets extracted using '
'any of our rule extraction methods.'
),
)
parser.add_argument(
'rules',
help=(
"Valid .rules file containing serialized ruleset extracted by "
"any of our rule extractors from some neural network and a given "
"task."
),
metavar="my_rules.rules",
default=None,
)
parser.add_argument(
'--data',
help=(
"Valid .csv file containing the dataset used to generate the "
"given rules. If no descriptor is given, then it will assume all"
"entries are reals and the last column is the target."
),
metavar="data.csv",
default=None,
)
parser.add_argument(
'--data_descriptor',
help=(
"Valid name of supported dataset descriptor corresponding to the "
"loaded data."
),
metavar="descriptor_name",
default=None,
)
parser.add_argument(
'--show_tools',
'-t',
action="store_true",
help=(
"Whether or not we display Bokeh tools in summary plots."
),
default=False,
)
parser.add_argument(
"-d",
"--debug",
action="store_true",
default=False,
help="starts debug mode in the GUI.",
)
return parser
################################################################################
## Main Application
################################################################################
def main():
flx.assets.associate_asset(__name__, 'https://d3js.org/d3.v3.min.js')
parser = build_parser()
args = parser.parse_args()
if args.rules is not None:
ruleset = Ruleset()
ruleset.from_file(args.rules)
else:
ruleset = None
if args.data is not None:
if args.data_descriptor is not None:
dataset = get_data_configuration(args.data_descriptor)
else:
dataset = DatasetDescriptor()
dataset.read_data(args.data)
else:
dataset = None
with open(
os.path.join(os.path.dirname(__file__), 'remix/visualization/style.css')
) as f:
style = f.read()
flx.assets.associate_asset(__name__, 'style.css', style)
app = flx.App(
Remix,
ruleset,
dataset,
args.show_tools,
)
app.launch('browser') # show it now in a browser
flx.run() # enter the mainloop
return 0
################################################################################
## Program Entry Point
################################################################################
if __name__ == '__main__':
sys.exit(main())