new plugin for JopShop instance. Reads WorkPlan from a spreadsheet

dream/plugins/ReadJSWorkPlan.py

+from copy import copy
+import json
+import time
+import random
+import operator
+from datetime import datetime
+import copy
+import routeQuery
+
+from dream.plugins import plugin
+
+class ReadJSWorkPlan(plugin.InputPreparationPlugin):
+  """ Input preparation
+      reads the work-plan from the corresponding spreadsheet
+  """
+    
+  def findEntityByID(self, ID):
+    """search within the BOM and find the entity (order or component)"""
+    orders = self.data["input"]["BOM"].get("orders", {})
+    for order in orders:
+      # check if the id corresponds to an order
+      if ID == order["orderID"]:
+        return order
+      components = order.get("componentsList", [])
+      for component in components:
+        if ID == component["componentID"]:
+          return component
+    return {}
+
+  def preprocess(self, data):
+    """ inserts the retrieved order components and the related information (routing) to the BOM echelon
+    """
+    self.data=data
+	  WPdata = data["input"]["workplan_spreadsheet"]
+    orders = data["input"]["BOM"].get("orders",{})
+    if WPdata:
+      WPdata.pop(0)  # pop the column names
+      for line in WPdata:
+        orderID = WPdata[1]
+        order = self.findEntityByID(orderID)
+        # if the order is not defined then skip this part
+        if not order:
+          continue
+        partID = WPdata[0]
+        part = self.findEntityByID(partID)
+        # if there is no such part in the BOM then create it
+        if not part:
+          partName = WPdata[2]
+          components = order.get("componentsList",[])
+          components.append({
+            "componentID": partID,
+            "componentName": partName
+          })
+          order["componentsList"] = components
+        # update  the route of the component
+        route = part.get("route", [])
+        task_id = WPdata[-1]
+        sequence = WPdata[4]
+        processingTime = WPdata[-4]
+        operator = WPdata[5]
+        partsneeded = WPdata[-2].replace(" ","").split(',')
+        technology = WPdata[3]
+        quantity = WPdata[6]
+        route.append({
+          "task_id": task_id,
+          "sequence": sequence,
+          "processingTime": {"fixed":{"mean":processingTime}},
+          "operator": operator,
+          "partsneeded": partsneeded,
+          "technology": technology,
+          "quantity": quantity
+        })
+        part["route"] = route
+
+	
+    return data
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