def replace_macros(f, file_name, p_args):
"""
Replace macro references with its value.
Values are extracted from the macro defined in the command line
This is the callback function for process_file_list.
It will get called once for each file in the input file list.
:param f: database file
:param file_name: file name (not used)
:param p_args: command line arguments
:return: None
"""
if debug_flag:
print('\n-- replace_macros', f, file_name, p_args)
m = EpicsMacro(p_args.macros, add_undefined=p_args.undefined)
for line in f:
line = line.rstrip()
try:
line = m.replace_macros(line, report_undefined=True)
except KeyError as ex:
print('# -- ' + str(ex))
print(line)
return
def test_replace_macros():
m = EpicsMacro([('top', 'cs'), ('dev', 'motor'), ('sys', 'focus')])
assert (m.replace_macros('top=$(top),dev=$(dev) ${sys}') ==
'top=cs,dev=motor focus')
assert (m.replace_macros('${top}$(top)$(dev)') == 'cscsmotor')
try:
assert (m.replace_macros('${top}:$(dev):$(other)',
report_undefined=True) == 'cs:motor')
except KeyError:
pass
assert (m.replace_macros('${top}:$(dev):$(other)',
report_undefined=False) == 'cs:motor:$(other)')
m = EpicsMacro([('top', 'cs'), ('dev', 'motor'), ('sys', 'focus')],
add_undefined=True)
assert (m.replace_macros('$(top,undefined):${dev}:$(sys):${top}') ==
'cs:motor:focus:cs')
assert (m.replace_macros(
'$(top,undefined):${dev,undefined}:${sys,undefined}:${top}') ==
'cs:motor:focus:cs')