text stringlengths 0 828 |
|---|
task_inst.trained_dependencies = trained_dependencies |
#Finally, run the task |
task_inst.train(**kwargs) |
return task_inst" |
681,"def execute_predict_task(self, task_inst, predict_data, **kwargs): |
"""""" |
Do a prediction |
task_inst - instance of a task |
"""""" |
result = task_inst.predict(predict_data, **task_inst.args) |
return result" |
682,"def train(self, **kwargs): |
"""""" |
Do the workflow training |
"""""" |
log.info(""Starting to train..."") |
if not self.setup_run: |
self.setup() |
self.trained_tasks = [] |
for task in self.tasks: |
data = self.reformatted_input[task.data_format]['data'] |
target = self.reformatted_input[task.data_format]['target'] |
if data is None: |
raise Exception(""Data cannot be none. Check the config file to make sure the right input is being read."") |
kwargs['data']=data |
kwargs['target']=target |
trained_task = self.execute_train_task_with_dependencies(task, **kwargs) |
self.trained_tasks.append(trained_task) |
#If the trained task alters the data in any way, pass it down the chain to the next task |
if hasattr(trained_task, 'data'): |
self.reformatted_input[task.data_format]['data'] = trained_task.data |
log.info(""Finished training."")" |
683,"def predict(self, **kwargs): |
"""""" |
Do the workflow prediction (done after training, with new data) |
"""""" |
reformatted_predict = self.reformat_predict_data() |
results = {} |
for task_inst in self.trained_tasks: |
predict = reformatted_predict[task_inst.data_format]['predict'] |
kwargs['predict']=predict |
results.update({get_task_name(task_inst) : self.execute_predict_task(task_inst, predict, **kwargs)}) |
return results" |
684,"def read_input(self, input_cls, filename, **kwargs): |
"""""" |
Read in input and do some minimal preformatting |
input_cls - the class to use to read the input |
filename - input filename |
"""""" |
input_inst = input_cls() |
input_inst.read_input(filename) |
return input_inst.get_data()" |
685,"def reformat_file(self, input_file, input_format, output_format): |
"""""" |
Reformat input data files to a format the tasks can use |
"""""" |
#Return none if input_file or input_format do not exist |
if input_file is None or input_format is None: |
return None |
#Find the needed input class and read the input stream |
try: |
input_cls = self.find_input(input_format) |
input_inst = input_cls() |
except TypeError: |
#Return none if input_cls is a Nonetype |
return None |
#If the input file cannot be found, return None |
try: |
input_inst.read_input(self.absolute_filepath(input_file)) |
except IOError: |
return None |
formatter = find_needed_formatter(input_format, output_format) |
if formatter is None: |
raise Exception(""Cannot find a formatter that can convert from {0} to {1}"".format(self.input_format, output_format)) |
formatter_inst = formatter() |
formatter_inst.read_input(input_inst.get_data(), input_format) |
data = formatter_inst.get_data(output_format) |
return data" |
686,"def reformat_input(self, **kwargs): |
"""""" |
Reformat input data |
"""""" |
reformatted_input = {} |
needed_formats = [] |
for task_cls in self.tasks: |
needed_formats.append(task_cls.data_format) |
self.needed_formats = list(set(needed_formats)) |
for output_format in self.needed_formats: |
reformatted_input.update( |
{ |
output_format : |
{ |
'data' : self.reformat_file(self.input_file, self.input_format, output_format), |
'target' : self.reformat_file(self.target_file, self.target_format, output_format) |
} |
} |
) |
return reformatted_input" |
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