import toml
import datetime
import platform
import os.path as op
from argparse import ArgumentParser
from funcargparse import FuncArgParser
from AFQ.definitions.image import * # interprets masks loaded from toml
from AFQ.definitions.mapping import * # interprets mappings loaded from toml
from AFQ.api.bundle_dict import * # interprets bundle_dicts loaded from toml
from AFQ.definitions.utils import Definition
from AFQ.api.utils import kwargs_descriptors
import nibabel as nib # allows users to input nibabel objects
[docs]def toml_to_val(t):
if isinstance(t, str) and len(t) < 1:
return None
elif isinstance(t, list):
ls = []
for e in t:
ls.append(toml_to_val(e))
return ls
elif isinstance(t, str) and t[0] == '[':
return eval(t)
elif isinstance(t, str) and t[0] == '{':
return eval(t) # interpret as dictionary
elif isinstance(t, str) and (
"Image" in t or "Map" in t or "Dict" in t or "_bd(" in t):
try:
definition_or_dict = eval(t)
except NameError:
return t
if isinstance(definition_or_dict, Definition):
return definition_or_dict
elif isinstance(definition_or_dict, BundleDict):
return definition_or_dict
else:
return t
else:
return t
[docs]def val_to_toml(v):
if v is None:
return '""'
elif isinstance(v, Definition):
return f'"{v.str_for_toml()}"'
elif isinstance(v, str):
return f'"{v}"'
elif isinstance(v, bool):
if v:
return "true"
else:
return "false"
elif callable(v):
return f'"{v.__name__}"'
elif isinstance(v, dict):
return f'"{v}"'
elif isinstance(v, list):
return f'"{v}"'
else:
return f"{v}"
[docs]def dict_to_toml(dictionary):
toml = '# Use \'\' to indicate None\n# Wrap dictionaries in quotes\n'
toml = toml + '# Wrap definition object instantiations in quotes\n\n'
for section, args in dictionary.items():
if section == "AFQ_desc":
toml = "# " + dictionary["AFQ_desc"].replace("\n", "\n# ")\
+ "\n\n" + toml
continue
toml = toml + f'[{section}]\n'
for arg, arg_info in args.items():
toml = toml + '\n'
if isinstance(arg_info, dict):
if 'desc' in arg_info:
toml = toml + arg_info['desc']
toml = toml + f"{arg} = {val_to_toml(arg_info['default'])}\n"
else:
toml = toml + f"{arg} = {val_to_toml(arg_info)}\n"
toml = toml + '\n'
return toml + '\n'
# these params are handled internally in the qsiprep pipeline,
# not shown to the user (mostly BIDS filters stuff)
[docs]qsi_prep_ignore_params = [
"bids_path", "bids_filters", "preproc_pipeline",
"participant_labels", "output_dir"]
[docs]def dict_to_json(dictionary):
json = " "
local_ignore = qsi_prep_ignore_params.copy()
for section, args in dictionary.items():
if section == "AFQ_desc":
continue
for arg, arg_info in args.items():
if arg in local_ignore:
continue
local_ignore.append(arg)
if isinstance(arg_info, dict):
json = json\
+ f'"{arg}": {val_to_toml(arg_info["default"])}'
else:
json = json + f'"{arg}": {val_to_toml(arg_info)}'
json = json + ',\n '
return json[:-18] # remove trailing ,\n and indent
[docs]def func_dict_to_arg_dict(func_dict=None, logger=None):
if func_dict is None:
import AFQ.segmentation as seg
import AFQ.tractography.tractography as aft
from AFQ.api.group import GroupAFQ
func_dict = {
"BIDS": GroupAFQ.__init__,
"Tractography": aft.track,
"Segmentation": seg.Segmentation.__init__,
"Cleaning": seg.clean_bundle}
arg_dict = {}
for name, func in func_dict.items():
docstr_parser = FuncArgParser()
docstr_parser.setup_args(func)
if name == "BIDS":
arg_dict["AFQ_desc"] = docstr_parser.description
for arg, info in docstr_parser.unfinished_arguments.items():
try:
section = name.upper() + "_PARAMS"
desc = info['help']
if name != "BIDS" and 'positional' in info and info[
'positional']:
continue
except (KeyError, IndexError) as error:
if logger is not None:
logger.error(
"We are missing a valid description for the "
+ f"{name} argument {arg}")
raise error
if section not in arg_dict.keys():
arg_dict[section] = {}
arg_dict[section][arg] = {}
if 'default' in info:
default = info['default']
else:
default = None
arg_dict[section][arg]['default'] = default
arg_dict[section][arg]['desc'] = desc
for section, arg_info in kwargs_descriptors.items():
section = section.upper()
if section not in arg_dict.keys():
arg_dict[section] = {}
for arg, info in arg_info.items():
if arg not in [
"segmentation_params",
"tracking_params"]:
arg_dict[section][arg] = info
for section, arg_info in arg_dict.items():
if section == "AFQ_desc":
continue
for arg, info in arg_info.items():
desc = arg_dict[section][arg]['desc']
arg_dict[section][arg]['desc'] = ''
for desc_line in desc.splitlines():
f_desc_line = '# ' + desc_line.strip() + '\n'
arg_dict[section][arg]['desc'] = \
arg_dict[section][arg]['desc'] + f_desc_line
return arg_dict
[docs]def parse_config_run_afq(toml_file, default_arg_dict, to_call="export_all",
overwrite=False,
logger=None,
verbose=False,
dry_run=False,
special_args={
"SEGMENTATION_PARAMS": "segmentation_params",
"TRACTOGRAPHY_PARAMS": "tracking_params"}):
from AFQ.api.group import GroupAFQ
from AFQ import __version__
# load configuration file
if not op.exists(toml_file):
raise FileExistsError(
"Config file does not exist. "
+ "If you want to generate this file,"
+ " add the argument --generate-config-only")
f_arg_dict = toml.load(toml_file)
# extract arguments from file
kwargs = {}
bids_path = ''
for section, args in f_arg_dict.items():
for arg, default in args.items():
if section not in default_arg_dict:
default_arg_dict[section] = {}
if arg == 'bids_path':
bids_path = default
else:
val = toml_to_val(default)
is_special = False
for toml_key, doc_arg in special_args.items():
if section == toml_key:
if doc_arg not in kwargs:
kwargs[doc_arg] = {}
kwargs[doc_arg][arg] = val
is_special = True
if not is_special:
kwargs[arg] = val
if arg not in default_arg_dict[section]:
default_arg_dict[section][arg] = {}
default_arg_dict[section][arg]['default'] = default
if logger is not None and (verbose or dry_run):
logger.info("The following arguments are recognized: " + str(kwargs))
if dry_run:
return
# if overwrite, write new file with updated docs / args
if overwrite:
if logger is not None:
logger.info("Updating configuration file.")
with open(toml_file, 'w') as ff:
ff.write(dict_to_toml(default_arg_dict))
if bids_path == '':
raise RuntimeError("Config file must provide bids_path")
# generate metadata file for this run
default_arg_dict['pyAFQ'] = {}
default_arg_dict['pyAFQ']['utc_time_started'] = \
datetime.datetime.now().isoformat('T')
default_arg_dict['pyAFQ']['version'] = __version__
default_arg_dict['pyAFQ']['platform'] = platform.system()
myafq = GroupAFQ(bids_path, **kwargs)
afq_metadata_file = op.join(myafq.afq_path, 'afq_metadata.toml')
with open(afq_metadata_file, 'w') as ff:
ff.write(dict_to_toml(default_arg_dict))
# call user specified function:
if to_call == "all":
myafq.export_all()
else:
myafq.export(to_call)
# If you got this far, you can report on time ended and record that:
default_arg_dict['pyAFQ']['utc_time_ended'] = datetime.datetime.now(
).isoformat('T')
with open(afq_metadata_file, 'w') as ff:
ff.write(dict_to_toml(default_arg_dict))
[docs]def generate_config(toml_file, default_arg_dict, overwrite=False,
logger=None):
if not overwrite and op.exists(toml_file):
raise FileExistsError(
"Config file already exists. "
+ "If you want to overwrite this file,"
+ " add the argument --overwrite-config")
if logger is not None:
logger.info("Generating default configuration file.")
toml_file = open(toml_file, 'w')
toml_file.write(dict_to_toml(default_arg_dict))
toml_file.close()
[docs]def generate_json(json_folder, overwrite=False,
logger=None):
json_file_our_trk = op.join(json_folder, "pyafq.json")
json_file_their_trk = op.join(json_folder, "pyafq_input_trk.json")
if not overwrite and (
op.exists(json_file_our_trk) or op.exists(json_file_their_trk)):
raise FileExistsError(
"Config file already exists. "
+ "If you want to overwrite this file,"
+ " add the argument --overwrite-config")
if logger is not None:
logger.info("Generating pyAFQ full pipeline QSIprep json file.")
qsi_spec_intro_our_trk = """{
"description": "Use pyAFQ to perform the full Tractometry pipeline",
"space": "T1w",
"name": "pyAFQ_full",
"atlases": [],
"nodes": [
{
"name": "pyAFQ_full",
"software": "pyAFQ",
"action": "pyAFQ_full",
"input": "qsiprep",
"output_suffix": "PYAFQ_FULL",
"parameters": {
"use_external_tracking": false,
"export": "all",
"""
qsi_spec_intro_their_trk = """{
"description": "Use pyAFQ to perform the Tractometry pipeline, with tractography from qsiprep",
"space": "T1w",
"name": "pyAFQ_import_trk",
"atlases": [],
"nodes": [
{
"name": "msmt_csd",
"software": "MRTrix3",
"action": "csd",
"output_suffix": "msmtcsd",
"input": "qsiprep",
"parameters": {
"mtnormalize": true,
"response": {
"algorithm": "dhollander"
},
"fod": {
"algorithm": "msmt_csd",
"max_sh": [4, 8, 8]
}
}
},
{
"name": "track_ifod2",
"software": "MRTrix3",
"action": "tractography",
"output_suffix": "ifod2",
"input": "msmt_csd",
"parameters": {
"use_5tt": false,
"use_sift2": true,
"tckgen":{
"algorithm": "iFOD2",
"select": 1e6,
"maxlen": 250,
"minlen": 30,
"power":0.33
},
"sift2":{}
}
},
{
"name": "pyAFQ_full",
"software": "pyAFQ",
"action": "pyAFQ_full",
"input": "track_ifod2",
"output_suffix": "PYAFQ_FULL_ET",
"parameters": {
"use_external_tracking": true,
"export": "all",
""" # noqa
qsi_spec_outro = """
}
}
]
}"""
import AFQ.segmentation as seg
import AFQ.tractography.tractography as aft
func_dict = {
"Tractography": aft.track,
"Segmentation": seg.Segmentation.__init__,
"Cleaning": seg.clean_bundle}
arg_dict = func_dict_to_arg_dict(func_dict, logger=logger)
json_file = open(json_file_our_trk, 'w')
json_file.write(qsi_spec_intro_our_trk)
json_file.write(dict_to_json(arg_dict))
json_file.write(qsi_spec_outro)
json_file.close()
json_file = open(json_file_their_trk, 'w')
json_file.write(qsi_spec_intro_their_trk)
json_file.write(dict_to_json(arg_dict))
json_file.write(qsi_spec_outro)
json_file.close()
