Exemplo n.º 1
0
 def loadDemand(self):
   print('Importing demands...')
   cnt = 0
   starttime = time()
   self.cursor.execute('''
     SELECT
       name, due, quantity, priority, item_id,
       operation_id, customer_id, owner_id, minshipment, maxlateness,
       category, subcategory, source, location_id, status
     FROM demand
     WHERE (status IS NULL OR status ='open' OR status = 'quote') %s
     ''' % self.filter_and)
   for i in self.cursor.fetchall():
     cnt += 1
     try:
       x = frepple.demand(
         name=i[0], due=i[1], quantity=i[2], priority=i[3], status=i[14],
         item=frepple.item(name=i[4]), category=i[10], subcategory=i[11],
         source=i[12]
         )
       if i[5]:
         x.operation = frepple.operation(name=i[5])
       if i[6]:
         x.customer = frepple.customer(name=i[6])
       if i[7]:
         x.owner = frepple.demand(name=i[7])
       if i[8]:
         x.minshipment = i[8]
       if i[9] is not None:
         x.maxlateness = i[9].total_seconds()
       if i[13]:
         x.location = frepple.location(name=i[13])
     except Exception as e:
       print("Error:", e)
   print('Loaded %d demands in %.2f seconds' % (cnt, time() - starttime))
Exemplo n.º 2
0
 def loadDemand(self):
   print('Importing demands...')
   cnt = 0
   starttime = time()
   self.cursor.execute('''
     SELECT
       name, due, quantity, priority, item_id,
       operation_id, customer_id, owner_id, minshipment, maxlateness,
       category, subcategory, source, location_id, status
     FROM demand
     WHERE (status IS NULL OR status ='open' OR status = 'quote') %s
     ''' % self.filter_and)
   for i in self.cursor.fetchall():
     cnt += 1
     try:
       x = frepple.demand(
         name=i[0], due=i[1], quantity=i[2], priority=i[3], status=i[14],
         item=frepple.item(name=i[4]), category=i[10], subcategory=i[11],
         source=i[12]
         )
       if i[5]:
         x.operation = frepple.operation(name=i[5])
       if i[6]:
         x.customer = frepple.customer(name=i[6])
       if i[7]:
         x.owner = frepple.demand(name=i[7])
       if i[8]:
         x.minshipment = i[8]
       if i[9] is not None:
         x.maxlateness = i[9]
       if i[13]:
         x.location = frepple.location(name=i[13])
     except Exception as e:
       print("Error:", e)
   print('Loaded %d demands in %.2f seconds' % (cnt, time() - starttime))
Exemplo n.º 3
0
def loadDemand(cursor):
    print('Importing demands...')
    cnt = 0
    starttime = time()
    cursor.execute('''SELECT name, due, quantity, priority, item_id,
     operation_id, customer_id, owner_id, minshipment, maxlateness,
     category, subcategory
     FROM demand
     where status is null or status ='open' or status = 'quote' ''')
    for i, j, k, l, m, n, o, p, q, r, s, t in cursor.fetchall():
        cnt += 1
        try:
            x = frepple.demand(name=i,
                               due=j,
                               quantity=k,
                               priority=l,
                               item=frepple.item(name=m),
                               category=s,
                               subcategory=t)
            if n: x.operation = frepple.operation(name=n)
            if o: x.customer = frepple.customer(name=o)
            if p: x.owner = frepple.demand(name=p)
            if q: x.minshipment = q
            if r != None: x.maxlateness = r
        except Exception as e:
            print("Error:", e)
    print('Loaded %d demands in %.2f seconds' % (cnt, time() - starttime))
Exemplo n.º 4
0
  def run(cls, database=DEFAULT_DB_ALIAS, **kwargs):
    import frepple

    if cls.filter:
      filter_and = "and %s " % cls.filter
      filter_where = "where %s " % cls.filter
    else:
      filter_and = ""
      filter_where = ""

    with connections[database].chunked_cursor() as cursor:
      cnt = 0
      starttime = time()
      cursor.execute('''
        SELECT
          name, due, quantity, priority, item_id,
          operation_id, customer_id, owner_id, minshipment, maxlateness,
          category, subcategory, source, location_id, status
        FROM demand
        WHERE (status IS NULL OR status ='open' OR status = 'quote') %s
        ''' % filter_and)
      for i in cursor:
        cnt += 1
        try:
          x = frepple.demand(
            name=i[0], due=i[1], quantity=i[2], priority=i[3], status=i[14],
            item=frepple.item(name=i[4]), category=i[10], subcategory=i[11],
            source=i[12]
            )
          if i[5]:
            x.operation = frepple.operation(name=i[5])
          if i[6]:
            x.customer = frepple.customer(name=i[6])
          if i[7]:
            x.owner = frepple.demand(name=i[7])
          if i[8] is not None:
            x.minshipment = i[8]
          if i[9] is not None:
            x.maxlateness = i[9].total_seconds()
          if i[13]:
            x.location = frepple.location(name=i[13])
        except Exception as e:
          logger.error("**** %s ****" % e)
      logger.info('Loaded %d demands in %.2f seconds' % (cnt, time() - starttime))
Exemplo n.º 5
0
def loadDemand(cursor):
  print('Importing demands...')
  cnt = 0
  starttime = time()
  cursor.execute('''SELECT name, due, quantity, priority, item_id,
     operation_id, customer_id, owner_id, minshipment, maxlateness,
     category, subcategory
     FROM demand
     where status is null or status ='open' ''')
  for i,j,k,l,m,n,o,p,q,r,s,t in cursor.fetchall():
    cnt += 1
    try:
      x = frepple.demand( name=i, due=j, quantity=k, priority=l, item=frepple.item(name=m),category=s,subcategory=t)
      if n: x.operation = frepple.operation(name=n)
      if o: x.customer = frepple.customer(name=o)
      if p: x.owner = frepple.demand(name=p)
      if q: x.minshipment = q
      if r != None: x.maxlateness = r
    except Exception as e: print("Error:", e)
  print('Loaded %d demands in %.2f seconds' % (cnt, time() - starttime))
Exemplo n.º 6
0
  def loadOperationPlans(self):   # TODO if we are going to replan anyway, we can skip loading the proposed operationplans
    print('Importing operationplans...')
    if 'supply' in os.environ:
      confirmed_filter = " and operationplan.status = 'confirmed'"
    else:
      confirmed_filter = ""
    cnt_mo = 0
    cnt_po = 0
    cnt_do = 0
    cnt_dlvr = 0
    starttime = time()
    self.cursor.execute('''
      SELECT
        operationplan.operation_id, operationplan.id, operationplan.quantity,
        operationplan.startdate, operationplan.enddate, operationplan.status, operationplan.source,
        operationplan.type, operationplan.origin_id, operationplan.destination_id, operationplan.supplier_id,
        operationplan.item_id, operationplan.location_id,
        reference, coalesce(dmd.name, null)
      FROM operationplan
      LEFT OUTER JOIN (select name from demand
        where demand.status = 'open'
        ) dmd
      on dmd.name = operationplan.demand_id
      WHERE operationplan.owner_id IS NULL
        and operationplan.quantity >= 0 and operationplan.status <> 'closed'
        %s%s and operationplan.type in ('PO', 'MO', 'DO', 'DLVR')
      ORDER BY operationplan.id ASC
      ''' % (self.filter_and, confirmed_filter))
    for i in self.cursor.fetchall():
      try:
        if i[7] == 'MO':
          cnt_mo += 1
          opplan = frepple.operationplan(
            operation=frepple.operation(name=i[0]), id=i[1],
            quantity=i[2], source=i[6], start=i[3], end=i[4],
            status=i[5], reference=i[13]
            )
        elif i[7] == 'PO':
          cnt_po += 1
          opplan = frepple.operationplan(
            location=frepple.location(name=i[12]), ordertype=i[7],
            id=i[1], reference=i[12],
            item=frepple.item(name=i[11]) if i[11] else None,
            supplier=frepple.supplier(name=i[10]) if i[10] else None,
            quantity=i[2], start=i[3], end=i[4],
            status=i[5], source=i[6]
            )
        elif i[7] == 'DO':
          cnt_do += 1
          opplan = frepple.operationplan(
            location=frepple.location(name=i[9]) if i[9] else None,
            id=i[1], reference=i[12], ordertype=i[7],
            item=frepple.item(name=i[11]) if i[11] else None,
            origin=frepple.location(name=i[8]) if i[8] else None,
            quantity=i[2], start=i[3], end=i[4],
            status=i[5], source=i[6]
            )
        elif i[7] == 'DLVR':
          cnt_dlvr += 1
          opplan = frepple.operationplan(
            location=frepple.location(name=i[12]) if i[12] else None,
            id=i[1], reference=i[12], ordertype=i[7],
            item=frepple.item(name=i[11]) if i[11] else None,
            origin=frepple.location(name=i[8]) if i[8] else None,
            demand=frepple.demand(name=i[14]) if i[14] else None,
            quantity=i[2], start=i[3], end=i[4],
            status=i[5], source=i[6]
            )
          opplan = None
        else:          
          print("Warning: unhandled operationplan type '%s'" % i[7])
          continue
        if i[14] and opplan:
          opplan.demand = frepple.demand(name=i[14])
      except Exception as e:
        print("Error:", e)
    self.cursor.execute('''
      SELECT
        operationplan.operation_id, operationplan.id, operationplan.quantity,
        operationplan.startdate, operationplan.enddate, operationplan.status,
        operationplan.owner_id, operationplan.source, coalesce(dmd.name, null)
      FROM operationplan
      INNER JOIN (select id
        from operationplan
        ) opplan_parent
      on operationplan.owner_id = opplan_parent.id
      LEFT OUTER JOIN (select name from demand
        where demand.status = 'open'
        ) dmd
      on dmd.name = operationplan.demand_id
      WHERE operationplan.quantity >= 0 and operationplan.status <> 'closed'
        %s%s and operationplan.type = 'MO'
      ORDER BY operationplan.id ASC
      ''' % (self.filter_and, confirmed_filter))
    for i in self.cursor.fetchall():
      cnt_mo += 1
      opplan = frepple.operationplan(
        operation=frepple.operation(name=i[0]),
        id=i[1], quantity=i[2], source=i[7],
        owner=frepple.operationplan(id=i[6]),
        start=i[3], end=i[4], status=i[5]
        )
      if i[8]:
        opplan.demand = frepple.demand(name=i[8])
    print('Loaded %d manufacturing orders, %d purchase orders, %d distribution orders and %s deliveries in %.2f seconds' % (cnt_mo, cnt_po, cnt_do, cnt_dlvr, time() - starttime))

    # Assure the operationplan ids will be unique.
    # We call this method only at the end, as calling it earlier gives a slower
    # performance to load operationplans
    self.cursor.execute('''
      select coalesce(max(id),1) + 1 as max_id
      from operationplan
      ''')
    d = self.cursor.fetchone()
    frepple.settings.id = d[0]
Exemplo n.º 7
0
except Exception as e:
  print("Catching exception %s: %s" % (e.__class__.__name__, e))

try:
  buf1.crazyfield = "doesn't exist"
except Exception as e:
  print("Catching exception %s: %s" % (e.__class__.__name__, e))

try:
  buf1.owner = buf2
except Exception as e:
  print("Catching exception %s: %s" % (e.__class__.__name__, e))

###
print("\nCreating demands")
order1 = frepple.demand(name="order 1", item=item, quantity=10, priority=1, \
  due=datetime.datetime(2009,3,2,9), customer=mycustomer, maxlateness=0)
order2 = frepple.demand(name="order 2", item=item, quantity=10, priority=2, \
  due=datetime.datetime(2009,3,2,8,30,0), customer=mycustomer, maxlateness=0)
order3 = frepple.demand(name="order 3", item=item, quantity=10, priority=3, \
  due=datetime.datetime(2009,3,2,20,0,0), customer=mycustomer, maxlateness=0)

###
print("\nCreating a solver and running it")
frepple.solver_mrp(name="MRP", constraints=7, loglevel=0).solve()

###
print("\nEchoing the model to a file")
printModel("output.1.xml")

###
print("\nSaving the model to an XML-file")
Exemplo n.º 8
0
  def run(cls, database=DEFAULT_DB_ALIAS, **kwargs):
    import frepple

    if cls.filter:
      filter_and = "and %s " % cls.filter
      filter_where = "where %s " % cls.filter
    else:
      filter_and = ""
      filter_where = ""

    with connections[database].chunked_cursor() as cursor:
      if 'supply' in os.environ:
        confirmed_filter = " and operationplan.status in ('confirmed', 'approved')"
        create_flag = True
      else:
        confirmed_filter = ""
        create_flag = False
      cnt_mo = 0
      cnt_po = 0
      cnt_do = 0
      cnt_dlvr = 0
      starttime = time()
      cursor.execute('''
        SELECT
          operationplan.operation_id, operationplan.id, operationplan.quantity,
          operationplan.startdate, operationplan.enddate, operationplan.status, operationplan.source,
          operationplan.type, operationplan.origin_id, operationplan.destination_id, operationplan.supplier_id,
          operationplan.item_id, operationplan.location_id,
          reference, coalesce(dmd.name, null)
        FROM operationplan
        LEFT OUTER JOIN (select name from demand
          where demand.status = 'open'
          ) dmd
        on dmd.name = operationplan.demand_id
        WHERE operationplan.owner_id IS NULL
          and operationplan.quantity >= 0 and operationplan.status <> 'closed'
          %s%s and operationplan.type in ('PO', 'MO', 'DO', 'DLVR')
        ORDER BY operationplan.id ASC
        ''' % (filter_and, confirmed_filter))
      for i in cursor:
        try:
          if i[7] == 'MO':
            cnt_mo += 1
            opplan = frepple.operationplan(
              operation=frepple.operation(name=i[0]), id=i[1],
              quantity=i[2], source=i[6], start=i[3], end=i[4],
              status=i[5], reference=i[13], create=create_flag
              )
          elif i[7] == 'PO':
            cnt_po += 1
            opplan = frepple.operationplan(
              location=frepple.location(name=i[12]), ordertype=i[7],
              id=i[1], reference=i[13],
              item=frepple.item(name=i[11]) if i[11] else None,
              supplier=frepple.supplier(name=i[10]) if i[10] else None,
              quantity=i[2], start=i[3], end=i[4],
              status=i[5], source=i[6], create=create_flag
              )
          elif i[7] == 'DO':
            cnt_do += 1
            opplan = frepple.operationplan(
              location=frepple.location(name=i[9]) if i[9] else None,
              id=i[1], reference=i[13], ordertype=i[7],
              item=frepple.item(name=i[11]) if i[11] else None,
              origin=frepple.location(name=i[8]) if i[8] else None,
              quantity=i[2], start=i[3], end=i[4],
              status=i[5], source=i[6], create=create_flag
              )
          elif i[7] == 'DLVR':
            cnt_dlvr += 1
            opplan = frepple.operationplan(
              location=frepple.location(name=i[12]) if i[12] else None,
              id=i[1], reference=i[13], ordertype=i[7],
              item=frepple.item(name=i[11]) if i[11] else None,
              origin=frepple.location(name=i[8]) if i[8] else None,
              demand=frepple.demand(name=i[14]) if i[14] else None,
              quantity=i[2], start=i[3], end=i[4],
              status=i[5], source=i[6], create=create_flag
              )
            opplan = None
          else:
            logger.warning("Warning: unhandled operationplan type '%s'" % i[7])
            continue
          if i[14] and opplan:
            opplan.demand = frepple.demand(name=i[14])
        except Exception as e:
          logger.error("**** %s ****" % e)
    with connections[database].chunked_cursor() as cursor:
      cursor.execute('''
        SELECT
          operationplan.operation_id, operationplan.id, operationplan.quantity,
          operationplan.startdate, operationplan.enddate, operationplan.status,
          operationplan.owner_id, operationplan.source, operationplan.reference,
          coalesce(dmd.name, null)
        FROM operationplan
        INNER JOIN (select id
          from operationplan
          ) opplan_parent
        on operationplan.owner_id = opplan_parent.id
        LEFT OUTER JOIN (select name from demand
          where demand.status = 'open'
          ) dmd
        on dmd.name = operationplan.demand_id
        WHERE operationplan.quantity >= 0 and operationplan.status <> 'closed'
          %s%s and operationplan.type = 'MO'
        ORDER BY operationplan.id ASC
        ''' % (filter_and, confirmed_filter))
      for i in cursor:
        cnt_mo += 1
        opplan = frepple.operationplan(
          operation=frepple.operation(name=i[0]),
          id=i[1], quantity=i[2], source=i[7],
          start=i[3], end=i[4], status=i[5], reference=i[8]
          )
        if i[6] and opplan:
          try:
            opplan.owner = frepple.operationplan(id=i[6])
          except:
            pass
        if i[9] and opplan:
          opplan.demand = frepple.demand(name=i[9])
      logger.info('Loaded %d manufacturing orders, %d purchase orders, %d distribution orders and %s deliveries in %.2f seconds' % (cnt_mo, cnt_po, cnt_do, cnt_dlvr, time() - starttime))

    with connections[database].cursor() as cursor:
      # Assure the operationplan ids will be unique.
      # We call this method only at the end, as calling it earlier gives a slower
      # performance to load operationplans
      cursor.execute('''
        select coalesce(max(id),1) + 1 as max_id
        from operationplan
        ''')
      d = cursor.fetchone()
      frepple.settings.id = d[0]
Exemplo n.º 9
0
except Exception as e:
    print("Catching exception %s: %s" % (e.__class__.__name__, e))

try:
    buf1.myfield = "my custom field"
except Exception as e:
    print("Catching exception %s: %s" % (e.__class__.__name__, e))

try:
    buf1.owner = buf2
except Exception as e:
    print("Catching exception %s: %s" % (e.__class__.__name__, e))

###
print("\nCreating demands")
order1 = frepple.demand(name="order 1", item=item, quantity=10, priority=1, \
  due=datetime.datetime(2009,3,2,9), customer=mycustomer, maxlateness=0)
order2 = frepple.demand(name="order 2", item=item, quantity=10, priority=2, \
  due=datetime.datetime(2009,3,2,8,30,0), customer=mycustomer, maxlateness=0)
order3 = frepple.demand(name="order 3", item=item, quantity=10, priority=3, \
  due=datetime.datetime(2009,3,2,20,0,0), customer=mycustomer, maxlateness=0)

###
print("\nCreating a solver and running it")
frepple.solver_mrp(name="MRP", constraints=7, loglevel=0).solve()

###
print("\nEchoing the model to a file")
printModel("output.1.xml")

###
print("\nSaving the model to an XML-file")
Exemplo n.º 10
0
  def loadOperationPlans(self):   # TODO if we are going to replan anyway, we can skip loading the proposed operationplans
    print('Importing operationplans...')
    if 'supply' in os.environ:
      confirmed_filter = " and operationplan.status = 'confirmed'"
    else:
      confirmed_filter = ""
    cnt_mo = 0
    cnt_po = 0
    cnt_do = 0
    cnt_dlvr = 0
    starttime = time()
    self.cursor.execute('''
      SELECT
        operationplan.operation_id, operationplan.id, operationplan.quantity,
        operationplan.startdate, operationplan.enddate, operationplan.status, operationplan.source,
        operationplan.type, operationplan.origin_id, operationplan.destination_id, operationplan.supplier_id,
        operationplan.item_id, operationplan.location_id,
        reference, coalesce(dmd.name, null)
      FROM operationplan
      LEFT OUTER JOIN (select name from demand
        where demand.status = 'open'
        ) dmd
      on dmd.name = operationplan.demand_id
      WHERE operationplan.owner_id IS NULL
        and operationplan.quantity >= 0 and operationplan.status <> 'closed'
        %s%s and operationplan.type in ('PO', 'MO', 'DO', 'DLVR')
      ORDER BY operationplan.id ASC
      ''' % (self.filter_and, confirmed_filter))
    for i in self.cursor.fetchall():
      try:
        if i[7] == 'MO':
          cnt_mo += 1
          opplan = frepple.operationplan(
            operation=frepple.operation(name=i[0]), id=i[1],
            quantity=i[2], source=i[6], start=i[3], end=i[4],
            status=i[5], reference=i[13]
            )
        elif i[7] == 'PO':
          cnt_po += 1
          opplan = frepple.operationplan(
            location=frepple.location(name=i[12]), ordertype=i[7],
            id=i[1], reference=i[12],
            item=frepple.item(name=i[11]) if i[11] else None,
            supplier=frepple.supplier(name=i[10]) if i[10] else None,
            quantity=i[2], start=i[3], end=i[4],
            status=i[5], source=i[6]
            )
        elif i[7] == 'DO':
          cnt_do += 1
          opplan = frepple.operationplan(
            location=frepple.location(name=i[9]) if i[9] else None,
            id=i[1], reference=i[12], ordertype=i[7],
            item=frepple.item(name=i[11]) if i[11] else None,
            origin=frepple.location(name=i[8]) if i[8] else None,
            quantity=i[2], start=i[3], end=i[4],
            status=i[5], source=i[6]
            )
        elif i[7] == 'DLVR':
          cnt_dlvr += 1
          opplan = frepple.operationplan(
            location=frepple.location(name=i[12]) if i[12] else None,
            id=i[1], reference=i[12], ordertype=i[7],
            item=frepple.item(name=i[11]) if i[11] else None,
            origin=frepple.location(name=i[8]) if i[8] else None,
            demand=frepple.demand(name=i[14]) if i[14] else None,
            quantity=i[2], start=i[3], end=i[4],
            status=i[5], source=i[6]
            )
          opplan = None
        else:          
          print("Warning: unhandled operationplan type '%s'" % i[7])
          continue
        if i[14] and opplan:
          opplan.demand = frepple.demand(name=i[14])
      except Exception as e:
        print("Error:", e)
    self.cursor.execute('''
      SELECT
        operationplan.operation_id, operationplan.id, operationplan.quantity,
        operationplan.startdate, operationplan.enddate, operationplan.status,
        operationplan.owner_id, operationplan.source, coalesce(dmd.name, null)
      FROM operationplan
      INNER JOIN (select id
        from operationplan
        ) opplan_parent
      on operationplan.owner_id = opplan_parent.id
      LEFT OUTER JOIN (select name from demand
        where demand.status = 'open'
        ) dmd
      on dmd.name = operationplan.demand_id
      WHERE operationplan.quantity >= 0 and operationplan.status <> 'closed'
        %s%s and operationplan.type = 'MO'
      ORDER BY operationplan.id ASC
      ''' % (self.filter_and, confirmed_filter))
    for i in self.cursor.fetchall():
      cnt_mo += 1
      opplan = frepple.operationplan(
        operation=frepple.operation(name=i[0]),
        id=i[1], quantity=i[2], source=i[7],
        owner=frepple.operationplan(id=i[6]),
        start=i[3], end=i[4], status=i[5]
        )
      if i[8]:
        opplan.demand = frepple.demand(name=i[8])
    print('Loaded %d manufacturing orders, %d purchase orders, %d distribution orders and %s deliveries in %.2f seconds' % (cnt_mo, cnt_po, cnt_do, cnt_dlvr, time() - starttime))

    # Assure the operationplan ids will be unique.
    # We call this method only at the end, as calling it earlier gives a slower
    # performance to load operationplans
    self.cursor.execute('''
      select coalesce(max(id),1) + 1 as max_id
      from operationplan
      ''')
    d = self.cursor.fetchone()
    frepple.settings.id = d[0]