def validate(product, quantity, buyer): # function called by name
msgs, errs = [], [] # via mod/func name strings
first, last = buyer[0], buyer[1:]
if first not in string.uppercase: # or not first.isupper()
errs.append('buyer-name:' + first)
if buyer not in inventory.buyers():
msgs.append('new-buyer-added')
inventory.add_buyer(buyer)
validate_order(product, quantity, errs, msgs) # mutable list args
return ' '.join(msgs), ' '.join(errs) # use "(ss)" format
def validate(product, quantity, buyer): # function called by name
msgs, errs = [], [] # via mod/func name strings
first, last = buyer[0], buyer[1:]
if first not in string.uppercase:
errs.append('buyer-name:' + first)
if buyer not in inventory.buyers():
msgs.append('new-buyer-added')
inventory.add_buyer(buyer)
validate_order(product, quantity, errs, msgs) # mutable list args
return string.join(msgs), string.join(errs) # use "(ss)" format
# embedded validation code, run from C
# input vars: PRODUCT, QUANTITY, BUYER
# output vars: ERRORS, WARNINGS
import string # all python tools are available to embedded code
import inventory # plus C extensions, Python modules, classes,..
msgs, errs = [], [] # warning, error message lists
def validate_order():
if PRODUCT not in inventory.skus(): # this function could be imported
errs.append('bad-product') # from a user-defined module too
elif QUANTITY > inventory.stock(PRODUCT):
errs.append('check-quantity')
else:
inventory.reduce(PRODUCT, QUANTITY)
if inventory.stock(PRODUCT) / QUANTITY < 2:
msgs.append('reorder-soon:' + ` PRODUCT `)
first, last = BUYER[0], BUYER[1:] # code is changeable on-site:
if first not in string.uppercase: # this file is run as one long
errs.append('buyer-name:' + first) # code-string, with input and
if BUYER not in inventory.buyers(): # output vars used by the C app
msgs.append('new-buyer-added')
inventory.add_buyer(BUYER)
validate_order()
ERRORS = ' '.join(errs) # add a space between messages
WARNINGS = ' '.join(msgs) # pass out as strings: "" == none
# embedded validation code, run from C
# input vars: PRODUCT, QUANTITY, BUYER
# output vars: ERRORS, WARNINGS
import string # all python tools are available to embedded code
import inventory # plus C extensions, Python modules, classes,..
msgs, errs = [], [] # warning, error message lists
def validate_order():
if PRODUCT not in inventory.skus(): # this function could be imported
errs.append('bad-product') # from a user-defined module too
elif QUANTITY > inventory.stock(PRODUCT):
errs.append('check-quantity')
else:
inventory.reduce(PRODUCT, QUANTITY)
if inventory.stock(PRODUCT) / QUANTITY < 2:
msgs.append('reorder-soon:' + `PRODUCT`)
first, last = BUYER[0], BUYER[1:] # code is changeable on-site:
if first not in string.uppercase: # this file is run as one long
errs.append('buyer-name:' + first) # code-string, with input and
if BUYER not in inventory.buyers(): # output vars used by the C app
msgs.append('new-buyer-added')
inventory.add_buyer(BUYER)
validate_order()
ERRORS = string.join(errs) # add a space between messages
WARNINGS = string.join(msgs) # pass out as strings: "" == none
