def _parse_subject(self, v_str, variables):
err = f"Parameter {kw.SUBJECT} must be 'average', 'all', or a positive integer."
if v_str.lower() in ('average', 'all'):
self.val[kw.SUBJECT] = v_str.lower()
else:
v, interr = ParseUtil.parse_posint(v_str, variables)
if interr: # Parsing error
return err + " " + interr
if v is None: # Parsing worked, but negative integer
return err
self.val[kw.SUBJECT] = v - 1 # Zero-based index internally
return None
def str_set(self,
prop,
v_str,
variables,
phases,
all_run_labels,
to_be_continued,
is_appending=False):
"""
Parses the specified value (as a string) of the specified parameter and sets the resulting
value. The input variables is a Variables object.
Returns error message if parsing failed.
"""
err = check_is_parameter_name(prop)
if err:
return err
# all_phase_labels = phases.labels_set()
if prop == kw.BEHAVIORS:
return self._parse_behaviors(v_str, variables, is_appending)
elif prop == kw.STIMULUS_ELEMENTS:
return self._parse_stimulus_elements(v_str, variables,
is_appending)
elif prop == kw.MECHANISM_NAME:
return self._parse_mechanism_name(v_str)
elif prop in (kw.START_VSS, kw.ALPHA_VSS):
return self._parse_alphastart_vss(prop, v_str, variables,
to_be_continued, is_appending)
elif prop in (kw.START_W, kw.ALPHA_W, kw.U, kw.LAMBDA):
return self._parse_stimulus_values(prop, v_str, variables,
to_be_continued, is_appending)
elif prop in (kw.BETA, kw.MU, kw.START_V, kw.ALPHA_V):
return self._parse_stimulus_response_values(
prop, v_str, variables, to_be_continued, is_appending)
# Float
elif prop in (kw.DISCOUNT, kw.TRACE):
v, err = ParseUtil.evaluate(v_str, variables)
if err:
return err
if (v < 0) or (v > 1):
return f"Parameter '{prop}' must be a number >=0 and <=1."
self.val[prop] = v
return None
elif prop == kw.BEHAVIOR_COST:
return self._parse_behavior_cost(v_str, variables, to_be_continued,
is_appending)
elif prop == kw.RESPONSE_REQUIREMENTS:
return self._parse_response_requirements(v_str, to_be_continued,
is_appending)
# 'on' or 'off'
elif prop in (kw.BIND_TRIALS, kw.CUMULATIVE):
v_str_lower = v_str.lower()
if v_str_lower not in ('on', 'off'):
return "Parameter '{}' must be 'on' or 'off'.".format(prop)
self.val[prop] = v_str_lower
return None
# Positive integer
elif prop == kw.N_SUBJECTS:
v, err = ParseUtil.parse_posint(v_str, variables)
if err:
return err
if not v:
return "Parameter {} must be a positive integer.".format(
kw.N_SUBJECTS)
self.val[kw.N_SUBJECTS] = v
return None
# Any nonempty (after strip) string
elif prop in (kw.TITLE, kw.SUBPLOTTITLE):
if to_be_continued: # Add the removed comma
v_str = v_str + ","
self.val[prop] = v_str
return None
# 'average', 'all' or 1-based index
elif prop == kw.SUBJECT:
return self._parse_subject(v_str, variables)
# 'all' or s1->b1->s2->..., s=se1,se2,...
elif prop == kw.XSCALE:
return self._parse_xscale(v_str, phases)
# 'subset' or 'exact'
elif prop in (kw.MATCH, kw.XSCALE_MATCH):
if v_str.lower() not in ('subset', 'exact'):
return "Parameter {} must be 'subset' or 'exact'.".format(prop)
self.val[prop] = v_str
return None
# 'all' or cs-list of phase labels
elif prop == kw.PHASES:
return self._parse_phases(v_str) # , all_phase_labels)
# String (@run-labels) (for postprocessing)
elif prop == kw.RUNLABEL:
if v_str not in all_run_labels:
return "Invalid @RUN-label {}".format(v_str)
self.val[kw.RUNLABEL] = v_str
return None
# Valid path to writable file
elif prop == kw.FILENAME:
filename = v_str
try:
file = open(filename, 'w', newline='')
except Exception as ex:
return str(ex)
finally:
file.close()
try:
os.remove(filename)
except FileNotFoundError:
pass
self.val[kw.FILENAME] = filename
return None
