mirror of
https://github.com/apache/superset.git
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397 lines
13 KiB
Python
397 lines
13 KiB
Python
from datetime import datetime
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from flask import flash, request
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import pandas as pd
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from collections import OrderedDict
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from app import utils
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from app.highchart import Highchart, HighchartBubble
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from wtforms import Form, SelectMultipleField, SelectField, TextField
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import config
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from pydruid.utils.filters import Dimension, Filter
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CHART_ARGS = {
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'height': 700,
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'title': None,
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'target_div': 'chart',
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}
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class OmgWtForm(Form):
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field_order = (
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'viz_type', 'granularity', 'since', 'group_by', 'limit')
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def fields(self):
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fields = []
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for field in self.field_order:
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if hasattr(self, field):
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obj = getattr(self, field)
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if isinstance(obj, Field):
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fields.append(getattr(self, field))
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return fields
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def form_factory(datasource, form_args=None, extra_fields_dict=None):
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extra_fields_dict = extra_fields_dict or {}
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if form_args:
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limit = form_args.get("limit")
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try:
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limit = int(limit)
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if limit not in limits:
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limits.append(limit)
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limits = sorted(limits)
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except:
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pass
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class QueryForm(OmgWtForm):
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viz_type = SelectField(
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'Viz',
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choices=[(k, v.verbose_name) for k, v in viz_types.items()])
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metrics = SelectMultipleField('Metrics', choices=datasource.metrics_combo)
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groupby = SelectMultipleField(
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'Group by', choices=[
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(s, s) for s in datasource.groupby_column_names])
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granularity = TextField('Time Granularity', default="one day")
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since = TextField('Since', default="one day ago")
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until = TextField('Until', default="now")
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for i in range(10):
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setattr(QueryForm, 'flt_col_' + str(i), SelectField(
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'Filter 1', choices=[(s, s) for s in datasource.filterable_column_names]))
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setattr(QueryForm, 'flt_op_' + str(i), SelectField(
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'Filter 1', choices=[(m, m) for m in ['in', 'not in']]))
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setattr(QueryForm, 'flt_eq_' + str(i), TextField("Super"))
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for k, v in extra_fields_dict.items():
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setattr(QueryForm, k, v)
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return QueryForm
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class BaseViz(object):
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verbose_name = "Base Viz"
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template = "panoramix/datasource.html"
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hidden_fields = []
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def __init__(self, datasource, form_data, view):
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self.datasource = datasource
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self.form_class = self.form_class()
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self.view = view
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self.form_data = form_data
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self.metrics = form_data.getlist('metrics') or ['count']
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self.groupby = form_data.getlist('groupby') or []
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self.error_msg = ""
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self.results = None
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try:
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self.results = self.bake_query()
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self.df = self.results.df
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if self.df is not None:
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if 'timestamp' in self.df.columns:
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self.df.timestamp = pd.to_datetime(self.df.timestamp)
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self.df_prep()
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self.form_prep()
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except Exception as e:
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self.error_msg = str(e)
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def form_class(self):
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return form_factory(self.datasource, request.args)
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def query_filters(self):
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args = self.form_data
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# Building filters
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filters = []
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for i in range(1, 10):
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col = args.get("flt_col_" + str(i))
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op = args.get("flt_op_" + str(i))
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eq = args.get("flt_eq_" + str(i))
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if col and op and eq:
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filters.append((col, op, eq))
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return filters
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def bake_query(self):
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return self.datasource.query(**self.query_obj())
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def query_obj(self):
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ds = self.datasource
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args = self.form_data
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groupby = args.getlist("groupby") or []
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metrics = args.getlist("metrics") or ['count']
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granularity = args.get("granularity", "1 day")
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if granularity != "all":
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granularity = utils.parse_human_timedelta(
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granularity).total_seconds() * 1000
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limit = int(
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args.get("limit", config.ROW_LIMIT))
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row_limit = int(
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args.get("row_limit", config.ROW_LIMIT))
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since = args.get("since", "1 year ago")
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from_dttm = utils.parse_human_datetime(since)
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if from_dttm > datetime.now():
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from_dttm = datetime.now() - (from_dttm-datetime.now())
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until = args.get("until", "now")
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to_dttm = utils.parse_human_datetime(until)
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if from_dttm >= to_dttm:
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flash("The date range doesn't seem right.", "danger")
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from_dttm = to_dttm # Making them identicial to not raise
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d = {
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'granularity': granularity,
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'from_dttm': from_dttm,
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'to_dttm': to_dttm,
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'groupby': groupby,
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'metrics': metrics,
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'row_limit': row_limit,
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'filter': self.query_filters(),
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'timeseries_limit': limit,
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}
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return d
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def df_prep(self):
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pass
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def form_prep(self):
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pass
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def render_no_data(self):
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self.template = "panoramix/no_data.html"
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return BaseViz.render(self)
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def render(self, *args, **kwargs):
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form = self.form_class(self.form_data)
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return self.view.render_template(
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self.template, form=form, viz=self, datasource=self.datasource,
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results=self.results,
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*args, **kwargs)
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class TableViz(BaseViz):
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verbose_name = "Table View"
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template = 'panoramix/viz_table.html'
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def render(self):
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df = self.df
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row_limit = request.args.get("row_limit")
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if df is None or df.empty:
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flash("No data.", "error")
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table = None
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else:
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if self.form_data.get("granularity") == "all" and 'timestamp' in df:
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del df['timestamp']
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table = df.to_html(
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classes=[
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'table', 'table-striped', 'table-bordered',
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'table-condensed'],
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index=False)
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return super(TableViz, self).render(table=table)
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def form_class(self):
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limits = [10, 50, 100, 500, 1000, 5000, 10000]
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return form_factory(self.datasource, request.args,
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extra_fields_dict={
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'row_limit':
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SelectField('Row limit', choices=[(s, s) for s in limits])
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})
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class HighchartsViz(BaseViz):
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verbose_name = "Base Highcharts Viz"
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template = 'panoramix/viz_highcharts.html'
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chart_kind = 'line'
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stacked = False
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chart_type = 'not_stock'
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compare = False
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class BubbleViz(HighchartsViz):
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verbose_name = "Bubble Chart"
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chart_type = 'bubble'
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hidden_fields = ['granularity', 'metrics', 'groupby']
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def form_class(self):
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datasource = self.datasource
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limits = [0, 5, 10, 25, 50, 100, 500]
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return form_factory(self.datasource, request.args,
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extra_fields_dict={
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#'compare': TextField('Period Compare',),
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'series': SelectField(
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'Series', choices=[
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(s, s) for s in datasource.groupby_column_names]),
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'entity': SelectField(
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'Entity', choices=[
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(s, s) for s in datasource.groupby_column_names]),
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'x': SelectField(
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'X Axis', choices=datasource.metrics_combo),
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'y': SelectField(
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'Y Axis', choices=datasource.metrics_combo),
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'size': SelectField(
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'Bubble Size', choices=datasource.metrics_combo),
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'limit': SelectField(
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'Limit', choices=[(s, s) for s in limits]),
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})
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def query_obj(self):
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d = super(BubbleViz, self).query_obj()
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d['granularity'] = 'all'
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d['groupby'] = list({
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request.args.get('series'),
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request.args.get('entity')
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})
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self.x_metric = request.args.get('x')
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self.y_metric = request.args.get('y')
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self.z_metric = request.args.get('size')
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self.entity = request.args.get('entity')
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self.series = request.args.get('series')
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d['metrics'] = [
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self.x_metric,
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self.y_metric,
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self.z_metric,
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]
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if not all(d['metrics'] + [self.entity, self.series]):
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raise Exception("Pick a metric for x, y and size")
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return d
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def render(self):
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metrics = self.metrics
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if not self.error_msg:
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df = self.df
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df['x'] = df[[self.x_metric]]
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df['y'] = df[[self.y_metric]]
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df['z'] = df[[self.z_metric]]
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df['name'] = df[[self.entity]]
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df['group'] = df[[self.series]]
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chart = HighchartBubble(df)
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return super(BubbleViz, self).render(chart_js=chart.javascript_cmd)
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else:
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return super(BubbleViz, self).render(error_msg=self.error_msg)
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class TimeSeriesViz(HighchartsViz):
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verbose_name = "Time Series - Line Chart"
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chart_type = "spline"
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stockchart = True
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sort_legend_y = True
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def render(self):
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metrics = self.metrics
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df = self.df
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df = df.pivot_table(
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index="timestamp",
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columns=self.groupby,
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values=metrics,)
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rolling_periods = request.args.get("rolling_periods")
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limit = request.args.get("limit")
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rolling_type = request.args.get("rolling_type")
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if rolling_periods and rolling_type:
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if rolling_type == 'mean':
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df = pd.rolling_mean(df, int(rolling_periods))
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elif rolling_type == 'std':
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df = pd.rolling_std(df, int(rolling_periods))
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elif rolling_type == 'sum':
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df = pd.rolling_sum(df, int(rolling_periods))
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chart = Highchart(
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df,
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compare=self.compare,
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chart_type=self.chart_type,
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stacked=self.stacked,
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stockchart=self.stockchart,
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sort_legend_y=self.sort_legend_y,
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**CHART_ARGS)
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return super(TimeSeriesViz, self).render(chart_js=chart.javascript_cmd)
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def form_class(self):
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limits = [0, 5, 10, 25, 50, 100, 500]
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return form_factory(self.datasource, request.args,
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extra_fields_dict={
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#'compare': TextField('Period Compare',),
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'rolling_type': SelectField(
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'Rolling',
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choices=[(s, s) for s in ['mean', 'sum', 'std']]),
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'rolling_periods': TextField('Periods',),
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'limit': SelectField(
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'Series limit', choices=[(s, s) for s in limits])
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})
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def bake_query(self):
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"""
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Doing a 2 phase query where we limit the number of series.
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"""
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return self.datasource.query(**self.query_obj())
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class TimeSeriesCompareViz(TimeSeriesViz):
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verbose_name = "Time Series - Percent Change"
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compare = 'percent'
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class TimeSeriesCompareValueViz(TimeSeriesViz):
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verbose_name = "Time Series - Value Change"
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compare = 'value'
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class TimeSeriesAreaViz(TimeSeriesViz):
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verbose_name = "Time Series - Stacked Area Chart"
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stacked=True
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chart_type = "area"
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class TimeSeriesBarViz(TimeSeriesViz):
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verbose_name = "Time Series - Bar Chart"
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chart_type = "column"
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class TimeSeriesStackedBarViz(TimeSeriesViz):
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verbose_name = "Time Series - Stacked Bar Chart"
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chart_type = "column"
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stacked = True
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class DistributionBarViz(HighchartsViz):
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verbose_name = "Distribution - Bar Chart"
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chart_type = "column"
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def query_obj(self):
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d = super(DistributionBarViz, self).query_obj()
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d['granularity'] = "all"
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return d
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def render(self):
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df = self.df
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df = df.pivot_table(
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index=self.groupby,
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values=self.metrics)
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df = df.sort(self.metrics[0], ascending=False)
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chart = Highchart(
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df, chart_type=self.chart_type, **CHART_ARGS)
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return super(DistributionBarViz, self).render(
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chart_js=chart.javascript_cmd)
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class DistributionPieViz(HighchartsViz):
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verbose_name = "Distribution - Pie Chart"
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chart_type = "pie"
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def query_obj(self):
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d = super(DistributionPieViz, self).query_obj()
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d['granularity'] = "all"
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return d
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def render(self):
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df = self.df
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df = df.pivot_table(
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index=self.groupby,
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values=[self.metrics[0]])
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df = df.sort(self.metrics[0], ascending=False)
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chart = Highchart(
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df, chart_type=self.chart_type, **CHART_ARGS)
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return super(DistributionPieViz, self).render(
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chart_js=chart.javascript_cmd)
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viz_types = OrderedDict([
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['table', TableViz],
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['line', TimeSeriesViz],
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['compare', TimeSeriesCompareViz],
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['compare_value', TimeSeriesCompareValueViz],
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['area', TimeSeriesAreaViz],
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['bar', TimeSeriesBarViz],
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['stacked_ts_bar', TimeSeriesStackedBarViz],
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['dist_bar', DistributionBarViz],
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['pie', DistributionPieViz],
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['bubble', BubbleViz],
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])
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