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))
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))
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))
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))
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))
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]
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")
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]
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")
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]
