Function renaming, code cleaning and minor fixes (#15938)

diff --git a/erpnext/manufacturing/report/production_analytics/production_analytics.py b/erpnext/manufacturing/report/production_analytics/production_analytics.py
index 0602193..7447a1f 100644
--- a/erpnext/manufacturing/report/production_analytics/production_analytics.py
+++ b/erpnext/manufacturing/report/production_analytics/production_analytics.py
@@ -3,17 +3,16 @@
 
 from __future__ import unicode_literals
 import frappe
-from frappe import _
+from frappe import _, scrub
 from frappe.utils import getdate
-from erpnext.selling.report.sales_analytics.sales_analytics import (get_period_date_ranges,get_period)
+from erpnext.stock.report.stock_analytics.stock_analytics import (get_period_date_ranges, get_period)
 
 def execute(filters=None):
 	columns = get_columns(filters)
-	data, chart = get_data(filters,columns)
-	return columns, data,None ,chart
+	data, chart = get_data(filters, columns)
+	return columns, data, None , chart
 
 def get_columns(filters):
-
 	columns =[
 		{
 			"label": _("Status"),
@@ -22,122 +21,113 @@
 			"width": 140
 		}]
 
-	ranges = get_period_date_ranges(period=filters["range"], year_start_date = filters["from_date"],year_end_date=filters["to_date"])
+	ranges = get_period_date_ranges(filters)
 
 	for dummy, end_date in ranges:
 
-		label = field_name = get_period(end_date,filters["range"])
+		period = get_period(end_date, filters)
 
-		columns.append(
-			{
-			"label": _(label),
-			"fieldname": field_name,
+		columns.append({
+			"label": _(period),
+			"fieldname": scrub(period),
 			"fieldtype": "Float",
 			"width": 120
-		},
-		)
+		})
 
 	return columns
 
-def get_data_list(filters,entry):
-
-	data_list = {
-		"All Work Orders" : {},
-		"Not Started" : {},
-		"Overdue" : {},
-		"Pending" : {},
-		"Completed" : {}
+def get_periodic_data(filters, entry):
+	periodic_data = {
+		"All Work Orders": {},
+		"Not Started": {},
+		"Overdue": {},
+		"Pending": {},
+		"Completed": {}
 	}
 
-	ranges = get_period_date_ranges(period=filters["range"], year_start_date = filters["from_date"],year_end_date=filters["to_date"])
+	ranges = get_period_date_ranges(filters)
 
-	for from_date,end_date in ranges:
-		period = get_period(end_date,filters["range"])
+	for from_date, end_date in ranges:
+		period = get_period(end_date, filters)
 		for d in entry:
 			if getdate(d.creation) <= getdate(from_date) or getdate(d.creation) <= getdate(end_date) :
-				data_list = update_data_list(data_list,"All Work Orders",period)
-
+				periodic_data = update_periodic_data(periodic_data, "All Work Orders", period)
 				if d.status == 'Completed':
 					if getdate(d.actual_end_date) < getdate(from_date) or getdate(d.modified) < getdate(from_date):
-						data_list = update_data_list(data_list, "Completed",period)
+						periodic_data = update_periodic_data(periodic_data, "Completed", period)
 
 					elif getdate(d.actual_start_date) < getdate(from_date) :
-						data_list = update_data_list(data_list, "Pending", period)
+						periodic_data = update_periodic_data(periodic_data, "Pending", period)
 
 					elif getdate(d.planned_start_date) < getdate(from_date) :
-						data_list = update_data_list(data_list, "Overdue", period)
+						periodic_data = update_periodic_data(periodic_data, "Overdue", period)
 						
 					else:
-						data_list = update_data_list(data_list, "Not Started", period)
+						periodic_data = update_periodic_data(periodic_data, "Not Started", period)
 
 				elif d.status == 'In Process':
 					if getdate(d.actual_start_date) < getdate(from_date) :
-						data_list = update_data_list(data_list, "Pending", period)
+						periodic_data = update_periodic_data(periodic_data, "Pending", period)
 
 					elif getdate(d.planned_start_date) < getdate(from_date) :
-						data_list = update_data_list(data_list, "Overdue", period)
+						periodic_data = update_periodic_data(periodic_data, "Overdue", period)
 
 					else:
-						data_list = update_data_list(data_list, "Not Started", period)
+						periodic_data = update_periodic_data(periodic_data, "Not Started", period)
 
 				elif d.status == 'Not Started':
 					if getdate(d.planned_start_date) < getdate(from_date) :
-						data_list = update_data_list(data_list, "Overdue", period)
+						periodic_data = update_periodic_data(periodic_data, "Overdue", period)
 
 					else:
-						data_list = update_data_list(data_list, "Not Started", period)
-	return data_list
+						periodic_data = update_periodic_data(periodic_data, "Not Started", period)
+	return periodic_data
 
-def update_data_list(data_list, status, period):
-	if data_list.get(status).get(period):
-		data_list[status][period] += 1
+def update_periodic_data(periodic_data, status, period):
+	if periodic_data.get(status).get(period):
+		periodic_data[status][period] += 1
 	else:
-		data_list[status][period] = 1
+		periodic_data[status][period] = 1
 
-	return data_list
+	return periodic_data
 
-def get_data(filters,columns):
-
+def get_data(filters, columns):
 	data = []
-
 	entry = frappe.get_all("Work Order",
 		fields=["creation", "modified", "actual_start_date", "actual_end_date", "planned_start_date", "planned_end_date", "status"],
-		filters={"docstatus" : 1, "company" : filters["company"] })
+		filters={"docstatus": 1, "company": filters["company"] })
 
-	data_list = get_data_list(filters,entry)
+	periodic_data = get_periodic_data(filters,entry)
 
 	labels = ["All Work Orders", "Not Started", "Overdue", "Pending", "Completed"]
-
-	chart_data = get_chart_data(data_list,columns)
-
-	ranges = get_period_date_ranges(period=filters["range"], year_start_date = filters["from_date"],year_end_date=filters["to_date"])
+	chart_data = get_chart_data(periodic_data,columns)
+	ranges = get_period_date_ranges(filters)
 
 	for label in labels:
 		work = {}
 		work["Status"] = label
 		for dummy,end_date in ranges:
-			period = get_period(end_date,filters["range"])
-			if data_list.get(label).get(period):
-				work[period] = data_list.get(label).get(period)
+			period = get_period(end_date, filters)
+			if periodic_data.get(label).get(period):
+				work[scrub(period)] = periodic_data.get(label).get(period)
 			else:
-				work[period] = 0.0
+				work[scrub(period)] = 0.0
 		data.append(work)
 
 	return data, chart_data
 
-def get_chart_data(data_list,columns):
-
+def get_chart_data(periodic_data, columns):
 	labels = [d.get("label") for d in columns[1:]]
 
 	all_data, not_start, overdue, pending, completed = [], [], [] , [], []
 	datasets = []
 
 	for d in labels:
-		all_data.append(data_list.get("All Work Orders").get(d))
-		not_start.append(data_list.get("Not Started").get(d))
-		overdue.append(data_list.get("Overdue").get(d))
-		pending.append(data_list.get("Pending").get(d))
-		completed.append(data_list.get("Completed").get(d))
+		all_data.append(periodic_data.get("All Work Orders").get(d))
+		not_start.append(periodic_data.get("Not Started").get(d))
+		overdue.append(periodic_data.get("Overdue").get(d))
+		pending.append(periodic_data.get("Pending").get(d))
+		completed.append(periodic_data.get("Completed").get(d))
 
 	datasets.append({'name':'All Work Orders', 'values': all_data})
 	datasets.append({'name':'Not Started', 'values': not_start})
@@ -148,10 +138,9 @@
 	chart = {
 		"data": {
 			'labels': labels,
-			'datasets':datasets
+			'datasets': datasets
 		}
 	}
-
 	chart["type"] = "line"
 
 	return chart