IBP banding data system: Internal maintenance specification |  |
IBP banding data system: Internal maintenance specification | |
This class represents a two-character net field. See the specification.
Because the capacity of the actual field is four, and because some banders may use three- or four-character net fields, other classes for this field may be created for those cases.
# - - - - - c l a s s N e t 2 F i e l d - - - - -
class Net2Field(FieldItem):
"""Represents a two-character net field.
Exports: as inherited.
"""
Scans a two-character net field.
# - - - N e t 2 F i e l d . s c a n F i e l d - - -
# @staticmethod
def scanField ( encounter, scan, fieldName ):
"""Scan a two-character net field.
"""
#-- 1 --
# [ if the line in scan contains at least NET2_L characters ->
# scan := scan advanced NET2_L
# text := next NET2_L characters from scan, uppercased
# else ->
# Log() +:= error message
# raise SyntaxError ]
try:
text = scan.move ( NET2_L ).upper()
except IndexError:
scan.syntax ( "Expecting a %d-character net field." %
NET2_L )
#-- 2 --
setattr ( encounter, NET_ATTR,
Net2Field ( encounter, text ) )
scanField = staticmethod ( scanField )