def test_construct_empty_theme_from_file(self):
with (tempfile.NamedTemporaryFile()) as file:
# create and apply empty theme with no exception thrown
file.file.write("".encode('utf-8'))
file.file.flush()
theme = Theme(filename=file.name)
theme.apply_to_model(ThemedModel())
def test_construct_empty_theme_from_file(self):
# windows will throw permissions error with auto-delete
with (tempfile.NamedTemporaryFile(delete=False)) as file:
# create and apply empty theme with no exception thrown
file.file.write("".encode('utf-8'))
file.file.flush()
theme = Theme(filename=file.name)
theme.apply_to_model(ThemedModel())
file.close()
os.remove(file.name)
def test_construct_nonempty_theme_from_file(self):
# windows will throw permissions error with auto-delete
with (tempfile.NamedTemporaryFile(delete=False)) as file:
# create and apply empty theme with no exception thrown
file.file.write(FILE_CONTENTS)
file.file.flush()
theme = Theme(filename=file.name)
self.assertDictEqual(dict(number=57), theme._for_class(ThemedModel))
self.assertDictEqual(dict(number=57, another_string="boo"), theme._for_class(SubOfThemedModel))
file.close()
os.remove(file.name)
def test_construct_nonempty_theme_from_file(self):
with (tempfile.NamedTemporaryFile()) as file:
# create and apply empty theme with no exception thrown
file.file.write("""
attrs:
ThemedModel:
number: 57
SubOfThemedModel:
another_string: "boo"
""".encode('utf-8'))
file.file.flush()
theme = Theme(filename=file.name)
self.assertDictEqual(dict(number=57), theme._for_class(ThemedModel))
self.assertDictEqual(dict(number=57, another_string="boo"), theme._for_class(SubOfThemedModel))
def test_theming_a_model(self):
theme = Theme(json={
'attrs' : {
'ThemedModel' : {
'string' : 'w00t'
}
}
})
obj = ThemedModel()
changes = dict(calls=[])
assert 'hello' == obj.string
def record_trigger(attr, old, new_):
changes['calls'].append((attr, old, new_))
obj.on_change('string', record_trigger)
theme.apply_to_model(obj)
assert 'w00t' == obj.string
assert [('string', 'hello', 'w00t')] == changes['calls']
def test_theming_a_model_via_base(self):
theme = Theme(json={
'attrs' : {
'ThemedModel' : {
'string' : 'w00t'
}
}
})
obj = SubOfThemedModel()
changes = dict(calls=[])
def record_trigger(attr, old, new_):
changes['calls'].append((attr, old, new_))
obj.on_change('string', record_trigger)
self.assertEqual('hello', obj.string)
theme.apply_to_model(obj)
self.assertEqual('w00t', obj.string)
self.assertEqual([('string', 'hello', 'w00t')], changes['calls'])
def test_subclass_theme_used_rather_than_base(self):
theme = Theme(json={
'attrs' : {
'ThemedModel' : {
'string' : 'w00t'
},
'SubOfThemedModel' : {
'string' : 'bar'
}
}
})
obj = SubOfThemedModel()
self.assertEqual('hello', obj.string)
changes = dict(calls=[])
def record_trigger(attr, old, new_):
changes['calls'].append((attr, old, new_))
obj.on_change('string', record_trigger)
theme.apply_to_model(obj)
self.assertEqual('bar', obj.string)
self.assertEqual([('string', 'hello', 'bar')], changes['calls'])
def test_list_of_models_different_docs(self):
# should use new temp doc for eveything inside with-block
d = Document()
orig_theme = d.theme
p1 = Model()
p2 = Model()
d.add_root(p2)
assert p1.document is None
assert p2.document is not None
with beu.OutputDocumentFor([p1, p2], apply_theme=Theme(json={})):
assert p1.document is not None
assert p2.document is not None
assert p1.document is not d
assert p2.document is not d
assert p1.document == p2.document
assert p1.document.theme is not orig_theme
assert p1.document is None
assert p2.document is not None
assert p2.document.theme is orig_theme
def test_setting_document_theme_to_none(self) -> None:
theme = Theme(json={'attrs': {'ThemedModel': {'string': 'w00t'}}})
obj = ThemedModel()
doc = Document()
doc.add_root(obj)
changes = dict(calls=[])
def record_trigger(attr, old, new_):
changes['calls'].append((attr, old, new_))
obj.on_change('string', record_trigger)
doc.theme = theme
assert 'w00t' == obj.string
# setting to None reverts to default theme
doc.theme = None
assert doc.theme is not None
assert 'hello' == obj.string
assert [('string', 'hello', 'w00t'),
('string', 'w00t', 'hello')] == changes['calls']
def test_theming_a_document_before_adding_root(self) -> None:
theme = Theme(json={'attrs': {'ThemedModel': {'string': 'w00t'}}})
obj = ThemedModel()
doc = Document()
assert 'hello' == obj.string
doc.theme = theme
assert doc.theme is theme
changes = dict(calls=[])
def record_trigger(attr, old, new_):
changes['calls'].append((attr, old, new_))
obj.on_change('string', record_trigger)
doc.add_root(obj)
assert 'w00t' == obj.string
doc.remove_root(obj)
assert 'hello' == obj.string
assert [('string', 'hello', 'w00t'),
('string', 'w00t', 'hello')] == changes['calls']
def test_setting_document_theme_to_none(self):
theme = Theme(json={'attrs': {'ThemedModel': {'string': 'w00t'}}})
obj = ThemedModel()
doc = Document()
doc.add_root(obj)
changes = dict(calls=[])
def record_trigger(attr, old, new_):
changes['calls'].append((attr, old, new_))
obj.on_change('string', record_trigger)
doc.theme = theme
self.assertEqual('w00t', obj.string)
# setting to None reverts to default theme
doc.theme = None
self.assertIsNot(doc.theme, None)
self.assertEqual('hello', obj.string)
self.assertEqual([('string', 'hello', 'w00t'),
('string', 'w00t', 'hello')], changes['calls'])
def test_theming_a_document_before_adding_root(self):
theme = Theme(json={'attrs': {'ThemedModel': {'string': 'w00t'}}})
obj = ThemedModel()
doc = Document()
self.assertEqual('hello', obj.string)
doc.theme = theme
self.assertIs(doc.theme, theme)
changes = dict(calls=[])
def record_trigger(attr, old, new_):
changes['calls'].append((attr, old, new_))
obj.on_change('string', record_trigger)
doc.add_root(obj)
self.assertEqual('w00t', obj.string)
doc.remove_root(obj)
self.assertEqual('hello', obj.string)
self.assertEqual([('string', 'hello', 'w00t'),
('string', 'w00t', 'hello')], changes['calls'])
def simple_plot(self, countries=['Germany', 'Austria', 'Italy']):
if type(countries) != list:
raise TypeError('countries argument accepts type list, '
f'got {type(countries)} instead')
confirmed = self.confirmed_df.loc[:, (countries, slice(None),
slice(None), slice(None))]
confirmed.columns = (
confirmed.columns.droplevel(3).droplevel(2).droplevel(1))
pandas_bokeh.output_file(os.path.join('figures', 'simple_plot.html'))
curdoc().theme = Theme(json=jt)
confirmed.plot_bokeh.line(figsize=(1500, 750),
title="simple plot",
plot_data_points=True,
plot_data_points_size=5,
marker="circle",
sizing_mode='scale_both')
def modify_doc(doc):
data_url = "http://www.neracoos.org/erddap/tabledap/B01_sbe37_all.csvp?time,temperature&depth=1&temperature_qc=0&time>=2016-02-15&time<=2017-03-22"
df = pd.read_csv(data_url, parse_dates=True, index_col=0)
df = df.rename(columns={'temperature (celsius)': 'temperature'})
df.index.name = 'time'
source = ColumnDataSource(data=df)
plot = figure(x_axis_type='datetime',
y_range=(0, 25),
y_axis_label='Temperature (Celsius)',
title="Sea Surface Temperature at 43.18, -70.43")
plot.line('time', 'temperature', source=source)
def callback(attr, old, new):
if new == 0:
data = df
else:
data = df.rolling('{0}D'.format(new)).mean()
source.data = ColumnDataSource(data=data).data
slider = Slider(start=0,
end=30,
value=0,
step=1,
title="Smoothing by N Days")
slider.on_change('value', callback)
doc.add_root(column(slider, plot))
doc.theme = Theme(json=yaml.load("""
attrs:
Figure:
background_fill_color: "#DDDDDD"
outline_line_color: white
toolbar_location: above
height: 500
width: 800
Grid:
grid_line_dash: [6, 4]
grid_line_color: white
"""))
def setup_doc(doc):
# 1: In order to retrieve the directory of the html file, the templates directory must first be loaded into the
# Environment.
# 2: Load the dataspot HTML into template
# 3: Attach the template to the working doc
# 4: Load the styling file of the Bokeh visualization, also located in templates
# 5: Attach the styling to the working doc
root = os.path.abspath(os.sep)
templates_path = os.path.join(root, 'app/templates')
theme_path = os.path.join(root, 'app/templates/theme.yml')
env = Environment(loader=FileSystemLoader(templates_path))
template = env.get_template('dataspot.html')
doc.template = template
doc.title = 'Dataspot'
theme_template = Theme(theme_path)
doc.theme = theme_template
return doc
def bkapp(curdoc):
import time
time.sleep(5)
df = sea_surface_temperature.copy()
source = ColumnDataSource(data=df)
plot = figure(x_axis_type='datetime', y_range=(0, 25), y_axis_label='Temperature (Celsius)',
title="Sea Surface Temperature at 43.18, -70.43")
plot.line('time', 'temperature', source=source)
def callback(attr, old, new):
if new == 0:
data = df
else:
data = df.rolling('{0}D'.format(new)).mean()
source.data = data
plot.sizing_mode = "stretch_both"
slider = Slider(start=0, end=30, value=0, step=1, title="Smoothing by N Days")
slider.on_change('value', callback)
paragraph = Paragraph(text="IOloop's id: %s" % str(id(bokeh_server.io_loop.asyncio_loop)))
row = pn.Row(slider, plot, name="chart_1")
row.sizing_mode = "stretch_both"
row.server_doc(curdoc)
other_figure = figure(title="Jajaja")
other_figure.scatter(x=[1,2,3], y=[4,5,6])
other_figure.sizing_mode = "stretch_both"
pn.Pane(other_figure, name="chart_2").server_doc(curdoc)
curdoc.theme = Theme(filename="theme.yaml")
# Options for Jinja template rendered by the Bokeh Server
# (as opposed of by Starlette):
curdoc.template = (Environment(loader=FileSystemLoader(searchpath="templates"))
.get_template("index.html")
)
curdoc.template_variables["rendered_by_bokeh_server"] = True
def get_plot(doc):
"""Get the plots and set up the layout.
:param doc: document we will output.
:type doc: Document
"""
id_run, data_type = parse_arguments()
data = pd.read_csv(f'../output/{id_run}/VISUALISATION/{data_type}.csv',
index_col=0)
res = pd.read_csv(f'../output/{id_run}/VISUALISATION/res.csv', index_col=0)
try:
smear_plot = SmearPlot(res)
tab1 = smear_plot.get_tabs()
except:
tab1 = ErrorPlot().get_tabs()
try:
pca_plot = PCAPlot(data)
tab2 = pca_plot.get_tabs()
except:
tab2 = ErrorPlot().get_tabs()
try:
volcano_plot = VolcanoPlot(res)
tab3 = volcano_plot.get_tabs()
except:
tab3 = ErrorPlot().get_tabs()
try:
heatmap_plot = HeatmapPlot(
count_matrix=data,
deseq_results=res,
)
tab4 = heatmap_plot.get_tabs()
except:
tab4 = ErrorPlot().get_tabs()
doc.theme = Theme('../src/visualisations/theme.yaml')
doc.add_root(Tabs(tabs=[tab1, tab2, tab3, tab4]))
doc.title = "DRAW report"
def bkapp(doc):
df = sea_surface_temperature.copy()
source = ColumnDataSource(data=df)
plot = figure(x_axis_type='datetime', y_range=(0, 25), y_axis_label='Temperature (Celsius)',
title="Sea Surface Temperature at 43.18, -70.43")
plot.line('time', 'temperature', source=source)
def callback(attr, old, new):
if new == 0:
data = df
else:
data = df.rolling('{0}D'.format(new)).mean()
source.data = ColumnDataSource.from_df(data)
slider = Slider(start=0, end=30, value=0, step=1, title="Smoothing by N Days")
slider.on_change('value', callback)
doc.add_root(column(slider, plot))
doc.theme = Theme(filename="theme.yaml")
def modify_doc(doc):
df = sea_surface_temperature.copy()
source = ColumnDataSource(data=df)
plot = figure(x_axis_type='datetime', y_range=(0, 25), y_axis_label='Temperature (Celsius)',
title="Sea Surface Temperature at 43.18, -70.43")
plot.line('time', 'temperature', source=source)
#def callback(attr, old, new):
# if new == 0:
# data = df
# else:
# data = df.rolling('{0}D'.format(new)).mean()
# source.data = ColumnDataSource(data=data).data
#slider = Slider(start=0, end=30, value=0, step=1, title="Smoothing by N Days")
#slider.on_change('value', callback)
doc.add_root(column(plot))
doc.theme = Theme(filename='D:/InstrPlatform/DataStation/src/TestScripts/theme.yaml')
def __init__(self, *args, **kwargs):
super(DirectoryHandler, self).__init__(*args, **kwargs)
if 'filename' not in kwargs:
raise ValueError('Must pass a filename to DirectoryHandler')
src_path = kwargs['filename']
argv = kwargs.get('argv', [])
main_py = join(src_path, 'main.py')
main_ipy = join(src_path, 'main.ipynb')
if exists(main_py) and exists(main_ipy):
log.warn(
"Found both 'main.py' and 'main.ipynb' in %s, using 'main.py'"
% (src_path))
main = main_py
elif exists(main_py):
main = main_py
elif exists(main_ipy):
main = main_ipy
else:
raise ValueError("No 'main.py' or 'main.ipynb' in %s" % (src_path))
self._path = src_path
self._main = main
self._main_handler = ScriptHandler(filename=self._main, argv=argv)
lifecycle = join(src_path, 'server_lifecycle.py')
if exists(lifecycle):
self._lifecycle = lifecycle
self._lifecycle_handler = ServerLifecycleHandler(
filename=self._lifecycle, argv=argv)
else:
self._lifecycle = None
self._lifecycle_handler = Handler() # no-op handler
self._theme = None
themeyaml = join(src_path, 'theme.yaml')
if exists(themeyaml):
from bokeh.themes import Theme
self._theme = Theme(filename=themeyaml)
def modify_doc(doc):
"""Renders the initial webpage"""
# Create Input controls
topic_options = [
"topic_{0}".format(x) for x in data.list_known_jsonschemas()
]
proto_options = [
"protobuf_{0}".format(x) for x in data.list_known_protobufs()
]
modelselec = Select(title="Model Selection",
value=DEFAULT_UNSELECTED,
options=topic_options + proto_options +
[DEFAULT_UNSELECTED],
name=MODEL_SELECTION)
# Add a handler for input changes
modelselec.on_change('value', lambda attr, old, new: modelselec_change())
# construct what the user will see
selec = widgetbox([modelselec])
doc.add_root(selec)
doc.theme = Theme(filename="theme.yaml")
def modify_doc(doc):
with open('batch_size.pickle', 'rb') as handle:
project_dict = pickle.load(handle)
data = project_dict['rollbar-gem'][0.1]
source = ColumnDataSource(data)
plot = figure(x_axis_type='linear',
y_range=(-200, 200),
y_axis_label='Improvement (%)',
x_axis_label='Batch Size')
plot.line('x', 'y', source=source)
def callback(attr, old, new):
global project_name
if attr == 'active':
data = project_dict[project_name_dict[new]][0.1]
project_name = project_name_dict[new]
else:
data = project_dict[project_name][new]
source.data = ColumnDataSource(data=data).data
slider = Slider(start=0.1,
end=1,
value=0.1,
step=0.01,
title="Risk Threshold")
slider.on_change('value', callback)
radio_button_group = RadioButtonGroup(labels=project_list, active=0)
radio_button_group.on_change('active', callback)
doc.add_root(column(radio_button_group, slider, plot))
doc.theme = Theme(filename="../theme.yaml")
def modify_doc(doc):
df = sea_surface_temperature.copy()
source = ColumnDataSource(data=df)
plot = figure(x_axis_type='datetime',
y_range=(0, 25),
y_axis_label='Temperature (Celsius)',
title="Sea Surface Temperature at 43.18, -70.43")
plot.line('time', 'temperature', source=source)
def callback(attr, old, new):
if new == 0:
data = df
else:
data = df.rolling('{0}D'.format(new)).mean()
source.data = ColumnDataSource(data=data).data
slider = Slider(start=0,
end=30,
value=0,
step=1,
title="Smoothing by N Days")
slider.on_change('value', callback)
doc.add_root(column(slider, plot))
doc.theme = Theme(json=yaml.load("""
attrs:
Figure:
background_fill_color: "#DDDDDD"
outline_line_color: white
toolbar_location: above
height: 500
width: 800
Grid:
grid_line_dash: [6, 4]
grid_line_color: white
"""))
def modify_doc(doc):
# doc = curdoc()
source = ColumnDataSource(data=dict(time=[0], temperature=[0]))
plot = figure(x_axis_type='datetime',
y_range=(0, 25),
y_axis_label='Temperature (Celsius)',
title="Sea Surface Temperature at 43.18, -70.43")
plot.line('time', 'temperature', source=source)
doc.add_root(column(plot, ))
doc.theme = Theme(filename="theme.yaml")
print "updating:"
def updateit():
data = recieve_broadcast()
source.data = ColumnDataSource(data=data).data
doc.add_periodic_callback(updateit, 1000)
def bkapp_table(doc):
"""Create a Table App
Arguments:
doc {Document} -- bokeh document
Returns:
Document -- updated bokeh document
"""
data = sea_surface_temperature.copy()
data.reset_index(inplace=True)
source = ColumnDataSource(data=data)
columns = [
TableColumn(field='time', title='Time', formatter=DateFormatter(format='yy-mm-dd')),
TableColumn(field='temperature', title='Temperature')
]
data_table = DataTable(source=source, columns=columns, width=400,
selectable='checkbox', index_position=None)
doc.theme = Theme(filename=os.path.join(cwd(), 'theme.yaml'))
return doc.add_root(data_table)
def rate_plot(self, countries=None):
total_df = self.calc_totals(countries)
plot_df = pd.DataFrame()
plot_df['confirmed'] = total_df.confirmed.diff()
plot_df['confirmed_mean'] = plot_df['confirmed'].rolling(
7, center=True, min_periods=3).mean()
plot_df['deaths'] = total_df.deaths.diff().clip(lower=0)
plot_df['deaths_mean'] = plot_df['deaths'].rolling(
7, center=True, min_periods=3).mean()
plot_df['recovered'] = total_df.recovered.diff().clip(lower=0)
plot_df['recovered_mean'] = plot_df['recovered'].rolling(
7, center=True, min_periods=3).mean()
c_string = self.countries_to_string(countries)
pandas_bokeh.output_file(os.path.join('figures', 'rate.html'))
curdoc().theme = Theme(json=jt)
plot_df.plot_bokeh.line(
figsize=(1500, 750),
title=f'{c_string} daily COVID-19 cases' + self.data_disclaimer,
ylabel='Number of newly affected individuals per day',
sizing_mode='scale_both')
def test_construct_bad_attrs(self):
with pytest.raises(ValueError) as exc:
Theme(json=dict(attrs=42))
assert "should be a dictionary of class names" in repr(exc.value)
def test_construct_json_and_filename(self):
with pytest.raises(ValueError) as exc:
# we check "" and {} as falsey values, to try to trick
# our code into thinking they weren't provided.
Theme(filename="", json={})
assert "not both" in repr(exc.value)
def test_construct_no_json_or_filename(self):
with pytest.raises(ValueError) as exc:
Theme()
assert "requires json or a filename" in repr(exc.value)
def test_construct_empty_theme_from_json(self):
# create and apply empty theme with no exception thrown
theme = Theme(json=dict())
theme.apply_to_model(ThemedModel())
from distributed.metrics import time
from distributed.utils import log_errors, key_split, format_time
logger = logging.getLogger(__name__)
with open(
os.path.join(os.path.dirname(__file__), "..", "templates",
"base.html")) as f:
template_source = f.read()
from jinja2 import Environment, FileSystemLoader
env = Environment(loader=FileSystemLoader(
os.path.join(os.path.dirname(__file__), "..", "templates")))
BOKEH_THEME = Theme(os.path.join(os.path.dirname(__file__), "..",
"theme.yaml"))
template_variables = {"pages": ["status", "system", "profile", "crossfilter"]}
class StateTable(DashboardComponent):
""" Currently running tasks """
def __init__(self, worker):
self.worker = worker
names = [
"Stored", "Executing", "Ready", "Waiting", "Connections", "Serving"
]
self.source = ColumnDataSource({name: [] for name in names})
columns = {name: TableColumn(field=name, title=name) for name in names}
def __init__(self, *, filename: PathLike, argv: List[str] = []) -> None:
'''
Keywords:
filename (str) : a path to an application directory with either "main.py" or "main.ipynb"
argv (list[str], optional) : a list of string arguments to make available as sys.argv to main.py
'''
super().__init__()
src_path = filename
init_py = join(src_path, '__init__.py')
if exists(init_py):
self._package_runner = CodeRunner(
open(init_py).read(), init_py, argv)
self._package = self._package_runner.new_module()
assert self._package is not None
sys.modules[self._package.__name__] = self._package
else:
self._package_runner = None
self._package = None
main_py = join(src_path, 'main.py')
main_ipy = join(src_path, 'main.ipynb')
if exists(main_py) and exists(main_ipy):
log.warning(
f"Found both 'main.py' and 'main.ipynb' in {src_path}, using 'main.py'"
)
main = main_py
elif exists(main_py):
main = main_py
elif exists(main_ipy):
main = main_ipy
else:
raise ValueError(f"No 'main.py' or 'main.ipynb' in {src_path}")
self._path = src_path
self._main = main
handler = NotebookHandler if main.endswith('.ipynb') else ScriptHandler
self._main_handler = handler(filename=self._main,
argv=argv,
package=self._package)
hooks = None
app_hooks = join(src_path, 'app_hooks.py')
lifecycle = join(src_path, 'server_lifecycle.py')
if exists(app_hooks) and exists(lifecycle):
raise ValueError(
"Directory style apps can provide either server_lifecycle.py or app_hooks.py, not both."
)
elif exists(lifecycle):
hooks = lifecycle
elif exists(app_hooks):
hooks = app_hooks
if hooks is not None:
self._lifecycle_handler = ServerLifecycleHandler(
filename=hooks, argv=argv, package=self._package)
else:
self._lifecycle_handler = Handler() # no-op handler
if exists(app_hooks):
assert hooks is not None
self._request_handler = ServerRequestHandler(filename=hooks,
argv=argv,
package=self._package)
else:
self._request_handler = Handler() # no-op handler
self._theme = None
themeyaml = join(src_path, 'theme.yaml')
if exists(themeyaml):
from bokeh.themes import Theme
self._theme = Theme(filename=themeyaml)
appstatic = join(src_path, 'static')
if exists(appstatic):
self._static = appstatic
self._template = None
appindex = join(src_path, 'templates', 'index.html')
if exists(appindex):
env = Environment(loader=FileSystemLoader(dirname(appindex)))
self._template = env.get_template('index.html')
theme = Theme(
json={
'attrs': {
'Figure': {
'background_fill_color': '#f0f0f0',
'border_fill_color': 'white',
'outline_line_color': 'white',
'outline_line_width': 0,
'outline_line_alpha': 0.0,
'width': 1800
},
'Axis': {
'axis_line_color': "white",
'axis_label_text_color': "black",
'axis_label_standoff': 30,
'axis_label_text_font_size': '15pt',
'axis_label_text_font_style': 'bold',
'major_label_text_color': "black",
'major_label_text_font_size': '10pt',
'major_label_text_font_style': 'bold',
'major_tick_line_color': "white",
'minor_tick_line_color': "white",
'minor_tick_line_color': "white",
},
'Grid': {
'grid_line_width': 2,
'grid_line_dash': 'solid',
'grid_line_alpha': 1,
'grid_line_color': 'white'
},
'Circle': {
'size': 10,
},
'Line': {
#'line_width': 5,
'line_join': 'miter',
'line_cap': 'round'
},
'Segment': {
'line_width': 3
},
'Vbar': {
'line_width': 10
},
'Title': {
'text_color': "black",
'text_font_size': '25pt'
},
'Fill': {
'fill_color': 'orange'
}
}
})
from django.conf import settings
from django.http import HttpRequest, HttpResponse
from django.shortcuts import render
from bokeh.document import Document
from bokeh.embed import server_document
from bokeh.layouts import column
from bokeh.models import ColumnDataSource, Slider
from bokeh.plotting import figure
from bokeh.sampledata.sea_surface_temperature import sea_surface_temperature
from bokeh.themes import Theme
from .models import SeaSurfaceTemperature
theme = Theme(filename=join(settings.THEMES_DIR, "theme.yaml"))
def sea_surface_handler(doc: Document) -> None:
df = sea_surface_temperature.copy()
source = ColumnDataSource(data=df)
plot = figure(x_axis_type="datetime",
y_range=(0, 25),
y_axis_label="Temperature (Celsius)",
title="Sea Surface Temperature at 43.18, -70.43")
plot.line("time", "temperature", source=source)
def callback(attr: str, old: Any, new: Any) -> None:
if new == 0:
data = df
def test_construct_bad_class_props(self):
with pytest.raises(ValueError) as exc:
Theme(json=dict(attrs=dict(SomeClass=42)))
assert "should be a dictionary of properties" in repr(exc.value)
y='y',
width=1,
height=10,
color='crcolor',
source=crsource)
# set up hover tool to show color hex code and sample swatch
p2.select_one(HoverTool).tooltips = [('color',
'$color[hex, rgb, swatch]:crcolor'),
('RGB levels', '@RGBs')]
# theme everything for a cleaner look
curdoc().theme = Theme(json=yaml.load("""
attrs:
Plot:
toolbar_location: null
Grid:
grid_line_color: null
Axis:
axis_line_color: null
major_label_text_color: null
major_tick_line_color: null
minor_tick_line_color: null
"""))
layout = hplot(vform(red_slider, green_slider, blue_slider), vform(p1, p2))
output_file("color_sliders.html")
show(layout)
def setup_method(self):
self.orig_theme = curdoc().theme
curdoc().theme = Theme(json={})
def test_construct_empty_theme_from_json(self):
# create and apply empty theme with no exception thrown
theme = Theme(json=dict())
theme.apply_to_model(ThemedModel())