def schema_version_results():
"""Finds the information about the HED version of a file and returns as JSON.
Parameters
----------
Returns
-------
string
A serialized JSON string containing information related to the spreadsheet columns.
"""
try:
hed_info = {}
if base_constants.SCHEMA_PATH in request.files:
f = request.files[base_constants.SCHEMA_PATH]
hed_schema = hedschema.from_string(
f.stream.read(file_constants.BYTE_LIMIT).decode('ascii'),
file_type=secure_filename(f.filename))
hed_info[base_constants.
SCHEMA_VERSION] = hed_schema.header_attributes['version']
return json.dumps(hed_info)
except Exception as ex:
return handle_error(ex)
def test_handle_error(self):
from hed.errors.exceptions import HedFileError, HedExceptions
from hedweb.web_util import handle_error
ex = HedFileError(HedExceptions.BAD_PARAMETERS,
"This had bad parameters", 'my.file')
output = handle_error(ex)
self.assertIsInstance(
output, str,
"handle_error should return a string if return_as_str")
output1 = handle_error(ex, return_as_str=False)
self.assertIsInstance(
output1, dict,
"handle_error should return a dict if not return_as_str")
self.assertTrue('message' in output1,
"handle_error dict should have a message")
output2 = handle_error(ex, {'mykey': 'blech'}, return_as_str=False)
self.assertTrue('mykey' in output2,
"handle_error dict should include passed dictionary")
def services_results():
"""Perform the requested web service and return the results in JSON.
Returns
-------
string
A serialized JSON string containing processed information.
"""
response = {}
try:
arguments = services.get_input_from_request(request)
response = services.process(arguments)
return json.dumps(response)
except Exception as ex:
errors = handle_error(ex)
response['error_type'] = errors['error_type']
response['error_msg'] = errors['error_msg']
return handle_error(ex)
def columns_info_results():
"""Gets the names of the spreadsheet columns and sheet_name names if any.
Returns
-------
string
A serialized JSON string containing information related to the column and sheet_name information.
"""
try:
columns_info = get_columns_request(request)
return json.dumps(columns_info)
except Exception as ex:
return handle_error(ex)
def string_results():
"""Process hed strings entered in a text box.
Returns
-------
A serialized JSON string
"""
try:
input_arguments = strings.get_input_from_form(request)
a = strings.process(input_arguments)
return json.dumps(a)
except Exception as ex:
return handle_error(ex)
def schema_versions_results():
"""Gets a list of hed versions from the hed_cache and returns as a serialized JSON string
Returns
-------
string
A serialized JSON string containing a list of the HED versions.
"""
try:
hedschema.cache_all_hed_xml_versions()
hed_info = {
base_constants.SCHEMA_VERSION_LIST:
hedschema.get_all_hed_versions()
}
return json.dumps(hed_info)
except Exception as ex:
return handle_error(ex)