def __init__(self,
fields,
missing_tokens=[''],
data_locale=DEFAULT_LOCALE,
verbose=False,
objective_field=None,
objective_field_present=False,
include=None):
find_locale(data_locale, verbose)
self.fields = fields
self.fields_by_name = invert_dictionary(fields, 'name')
self.fields_by_column_number = invert_dictionary(
fields, 'column_number')
self.missing_tokens = missing_tokens
self.fields_columns = sorted(self.fields_by_column_number.keys())
# Ids of the fields to be included
self.filtered_fields = (self.fields.keys()
if include is None else include)
# To be updated in update_objective_field
self.row_ids = None
self.headers = None
self.objective_field = None
self.objective_field_present = None
self.filtered_indexes = None
self.update_objective_field(objective_field, objective_field_present)
def __init__(self, model):
if (isinstance(model, dict) and 'object' in model and
isinstance(model['object'], dict)):
if ('status' in model['object'] and
'code' in model['object']['status']):
if model['object']['status']['code'] == FINISHED:
fields = model['object']['model']['fields']
self.inverted_fields = invert_dictionary(fields)
self.tree = Tree(
model['object']['model']['root'],
fields,
model['object']['objective_fields'])
else:
raise Exception("The model isn't finished yet")
elif (isinstance(model, dict) and 'model' in model and
isinstance(model['model'], dict)):
if ('status' in model and 'code' in model['status']):
if model['status']['code'] == FINISHED:
fields = model['model']['fields']
self.inverted_fields = invert_dictionary(fields)
self.tree = Tree(
model['model']['root'],
fields,
model['objective_fields'])
else:
raise Exception("The model isn't finished yet")
else:
raise Exception("Invalid model structure")
def __init__(
self,
fields,
missing_tokens=[""],
data_locale=DEFAULT_LOCALE,
verbose=False,
objective_field=None,
objective_field_present=False,
include=None,
):
find_locale(data_locale, verbose)
self.fields = fields
self.fields_by_name = invert_dictionary(fields, "name")
self.fields_by_column_number = invert_dictionary(fields, "column_number")
self.missing_tokens = missing_tokens
self.fields_columns = sorted(self.fields_by_column_number.keys())
# Ids of the fields to be included
self.filtered_fields = self.fields.keys() if include is None else include
# To be updated in update_objective_field
self.row_ids = None
self.headers = None
self.objective_field = None
self.objective_field_present = None
self.filtered_indexes = None
self.update_objective_field(objective_field, objective_field_present)
def __init__(self, model, api=None):
if (isinstance(model, dict) and 'resource' in model and
model['resource'] is not None):
self.resource_id = model['resource']
else:
if api is None:
api = BigML(storage=STORAGE)
self.resource_id = get_model_id(model)
if self.resource_id is None:
raise Exception(error_message(model,
resource_type='model',
method='get'))
model = retrieve_model(api, self.resource_id)
if ('object' in model and isinstance(model['object'], dict)):
model = model['object']
if ('model' in model and isinstance(model['model'], dict)):
status = get_status(model)
if ('code' in status and status['code'] == FINISHED):
if 'model_fields' in model['model']:
fields = model['model']['model_fields']
# pagination or exclusion might cause a field not to
# be in available fields dict
if not all(key in model['model']['fields']
for key in fields.keys()):
raise Exception("Some fields are missing"
" to generate a local model."
" Please, provide a model with"
" the complete list of fields.")
for field in fields:
field_info = model['model']['fields'][field]
fields[field]['summary'] = field_info['summary']
fields[field]['name'] = field_info['name']
else:
fields = model['model']['fields']
self.inverted_fields = invert_dictionary(fields)
self.all_inverted_fields = invert_dictionary(model['model']
['fields'])
self.tree = Tree(
model['model']['root'],
fields,
model['objective_fields'])
self.description = model['description']
self.field_importance = model['model'].get('importance',
None)
if self.field_importance:
self.field_importance = [element for element
in self.field_importance
if element[0] in fields]
self.locale = model.get('locale', DEFAULT_LOCALE)
else:
raise Exception("The model isn't finished yet")
else:
raise Exception("Cannot create the Model instance. Could not"
" find the 'model' key in the resource:\n\n%s" %
model)
def __init__(self, model, api=None):
if (isinstance(model, dict) and 'resource' in model and
model['resource'] is not None):
self.resource_id = model['resource']
else:
if api is None:
api = BigML(storage=STORAGE)
self.resource_id = get_model_id(model)
if self.resource_id is None:
raise Exception(error_message(model,
resource_type='model',
method='get'))
model = retrieve_model(api, self.resource_id)
if ('object' in model and isinstance(model['object'], dict)):
model = model['object']
if ('model' in model and isinstance(model['model'], dict)):
status = get_status(model)
if ('code' in status and status['code'] == FINISHED):
if 'model_fields' in model['model']:
fields = model['model']['model_fields']
# pagination or exclusion might cause a field not to
# be in available fields dict
if not all(key in model['model']['fields']
for key in fields.keys()):
raise Exception("Some fields are missing"
" to generate a local model."
" Please, provide a model with"
" the complete list of fields.")
for field in fields:
field_info = model['model']['fields'][field]
fields[field]['summary'] = field_info['summary']
fields[field]['name'] = field_info['name']
else:
fields = model['model']['fields']
self.inverted_fields = invert_dictionary(fields)
self.all_inverted_fields = invert_dictionary(model['model']
['fields'])
self.tree = Tree(
model['model']['root'],
fields,
model['objective_fields'])
self.description = model['description']
self.field_importance = model['model'].get('importance',
None)
if self.field_importance:
self.field_importance = [element for element
in self.field_importance
if element[0] in fields]
self.locale = model.get('locale', DEFAULT_LOCALE)
else:
raise Exception("The model isn't finished yet")
else:
raise Exception("Cannot create the Model instance. Could not"
" find the 'model' key in the resource:\n\n%s" %
model)
def __init__(self,
resource_or_fields,
missing_tokens=None,
data_locale=None,
verbose=False,
objective_field=None,
objective_field_present=False,
include=None,
errors=None):
# The constructor can be instantiated with resources or a fields
# structure. The structure is checked and fields structure is returned
# if a resource type is matched.
try:
resource_info = get_fields_structure(resource_or_fields, True)
(self.fields, resource_locale, resource_missing_tokens,
objective_column, resource_errors) = resource_info
if data_locale is None:
data_locale = resource_locale
if missing_tokens is None:
if resource_missing_tokens:
missing_tokens = resource_missing_tokens
if errors is None:
errors = resource_errors
except ValueError:
# If the resource structure is not in the expected set, fields
# structure is assumed
self.fields = resource_or_fields
if data_locale is None:
data_locale = DEFAULT_LOCALE
if missing_tokens is None:
missing_tokens = DEFAULT_MISSING_TOKENS
objective_column = None
if self.fields is None:
raise ValueError("No fields structure was found.")
self.fields_by_name = invert_dictionary(self.fields, 'name')
self.fields_by_column_number = invert_dictionary(
self.fields, 'column_number')
find_locale(data_locale, verbose)
self.missing_tokens = missing_tokens
self.fields_columns = sorted(self.fields_by_column_number.keys())
# Ids of the fields to be included
self.filtered_fields = (self.fields.keys()
if include is None else include)
# To be updated in update_objective_field
self.row_ids = None
self.headers = None
self.objective_field = None
self.objective_field_present = None
self.filtered_indexes = None
self.field_errors = errors
# if the objective field is not set by the user
# use the one extracted from the resource info
if objective_field is None and objective_column is not None:
objective_field = objective_column
objective_field_present = True
self.update_objective_field(objective_field, objective_field_present)
def __init__(self, fields, missing_tokens=[''],
data_locale=DEFAULT_LOCALE, verbose=False):
find_locale(data_locale, verbose)
self.fields = fields
self.fields_by_name = invert_dictionary(fields, 'name')
self.fields_by_column_number = invert_dictionary(fields,
'column_number')
self.missing_tokens = missing_tokens
def __init__(self, resource_or_fields, missing_tokens=None,
data_locale=None, verbose=False,
objective_field=None, objective_field_present=False,
include=None, errors=None):
# The constructor can be instantiated with resources or a fields
# structure. The structure is checked and fields structure is returned
# if a resource type is matched.
try:
resource_info = get_fields_structure(resource_or_fields, True)
(self.fields,
resource_locale,
resource_missing_tokens,
objective_column,
resource_errors) = resource_info
if data_locale is None:
data_locale = resource_locale
if missing_tokens is None:
if resource_missing_tokens:
missing_tokens = resource_missing_tokens
if errors is None:
errors = resource_errors
except ValueError:
# If the resource structure is not in the expected set, fields
# structure is assumed
self.fields = resource_or_fields
if data_locale is None:
data_locale = DEFAULT_LOCALE
if missing_tokens is None:
missing_tokens = DEFAULT_MISSING_TOKENS
objective_column = None
if self.fields is None:
raise ValueError("No fields structure was found.")
self.fields_by_name = invert_dictionary(self.fields, 'name')
self.fields_by_column_number = invert_dictionary(self.fields,
'column_number')
find_locale(data_locale, verbose)
self.missing_tokens = missing_tokens
self.fields_columns = sorted(self.fields_by_column_number.keys())
# Ids of the fields to be included
self.filtered_fields = (self.fields.keys() if include is None
else include)
# To be updated in update_objective_field
self.row_ids = None
self.headers = None
self.objective_field = None
self.objective_field_present = None
self.filtered_indexes = None
self.field_errors = errors
# if the objective field is not set by the user
# use the one extracted from the resource info
if objective_field is None and objective_column is not None:
objective_field = objective_column
objective_field_present = True
self.update_objective_field(objective_field, objective_field_present)
def __init__(self, model):
if (isinstance(model, dict) and 'resource' in model):
self.resource_id = model['resource']
else:
raise Exception("Invalid model structure")
if ('object' in model and isinstance(model['object'], dict)):
model = model['object']
if ('model' in model and isinstance(model['model'], dict)):
if ('status' in model and 'code' in model['status']):
if model['status']['code'] == FINISHED:
if 'model_fields' in model['model']:
fields = model['model']['model_fields']
# pagination or exclusion might cause a field not to
# be in available fields dict
if not all(key in model['model']['fields']
for key in fields.keys()):
raise Exception("Some fields are missing"
" to generate a local model."
" Please, provide a model with"
" the complete list of fields.")
for field in fields:
field_info = model['model']['fields'][field]
fields[field]['summary'] = field_info['summary']
fields[field]['name'] = field_info['name']
else:
fields = model['model']['fields']
self.inverted_fields = invert_dictionary(fields)
self.all_inverted_fields = invert_dictionary(model['model']
['fields'])
self.tree = Tree(
model['model']['root'],
fields,
model['objective_fields'])
self.description = model['description']
self.field_importance = model['model'].get('importance',
None)
if self.field_importance:
self.field_importance = [element for element
in self.field_importance
if element[0] in fields]
self.locale = model.get('locale', DEFAULT_LOCALE)
else:
raise Exception("The model isn't finished yet")
else:
raise Exception("Invalid model structure")
def create_prediction(self, model, input_data=None, args=None,
wait_time=3):
"""Creates a new prediction.
"""
model_id = get_model_id(model)
if model_id:
if wait_time > 0:
while not self.model_is_ready(model_id):
time.sleep(wait_time)
if input_data is None:
input_data = {}
else:
fields = self.get_fields(model_id)
inverted_fields = invert_dictionary(fields)
try:
input_data = dict(
[[inverted_fields[key], value]
for key, value in input_data.items()])
except KeyError, field:
LOGGER.error("Wrong field name %s" % field)
if args is None:
args = {}
args.update({
"model": model_id,
"input_data": input_data})
body = json.dumps(args)
return self._create(self.prediction_url, body)
def __init__(self, fields, objective_id=None, data_locale=None,
missing_tokens=None, terms=False, categories=False,
numerics=False):
if isinstance(fields, dict):
try:
self.objective_id = objective_id
self.uniquify_varnames(fields)
self.inverted_fields = invert_dictionary(fields)
self.fields = {}
self.fields.update(fields)
self.data_locale = data_locale
self.missing_tokens = missing_tokens
if self.data_locale is None:
self.data_locale = DEFAULT_LOCALE
if self.missing_tokens is None:
self.missing_tokens = DEFAULT_MISSING_TOKENS
if terms:
# adding text and items information to handle terms
# expansion
self.term_forms = {}
self.tag_clouds = {}
self.term_analysis = {}
self.items = {}
self.item_analysis = {}
if categories:
self.categories = {}
if terms or categories or numerics:
self.add_terms(categories, numerics)
except KeyError:
raise Exception("Wrong field structure.")
def create_prediction(self, model, input_data=None, by_name=True,
args=None, wait_time=3):
"""Creates a new prediction.
"""
model_id = get_model_id(model)
if model_id:
if wait_time > 0:
while not self.model_is_ready(model_id):
time.sleep(wait_time)
if input_data is None:
input_data = {}
elif by_name:
fields = self.get_fields(model_id)
inverted_fields = invert_dictionary(fields)
wrong_keys = [key for key in input_data.keys() if not key
in inverted_fields]
if wrong_keys:
LOGGER.error(("Some input fields are"
" not used in the model: %s") %
", ".join(wrong_keys))
input_data = dict(
[[inverted_fields[key], value]
for key, value in input_data.items()
if key in inverted_fields])
if args is None:
args = {}
args.update({
"model": model_id,
"input_data": input_data})
body = json.dumps(args)
return self._create(self.prediction_url, body)
def __init__(self, fields, objective_id=None, data_locale=None,
missing_tokens=None, terms=False, categories=False,
numerics=False):
if isinstance(fields, dict):
try:
self.objective_id = objective_id
self.uniquify_varnames(fields)
self.inverted_fields = invert_dictionary(fields)
self.fields = {}
self.fields.update(fields)
self.data_locale = data_locale
self.missing_tokens = missing_tokens
if self.data_locale is None:
self.data_locale = DEFAULT_LOCALE
if self.missing_tokens is None:
self.missing_tokens = DEFAULT_MISSING_TOKENS
if terms:
# adding text and items information to handle terms
# expansion
self.term_forms = {}
self.tag_clouds = {}
self.term_analysis = {}
self.items = {}
self.item_analysis = {}
if categories:
self.categories = {}
if terms or categories or numerics:
self.add_terms(categories, numerics)
except KeyError:
raise Exception("Wrong field structure.")
def __init__(self, fields, objective_id=None):
if isinstance(fields, dict):
try:
self.objective_id = objective_id
self.uniquify_varnames(fields)
self.inverted_fields = invert_dictionary(fields)
self.fields = {}
self.fields.update(fields)
except KeyError:
raise Exception("Wrong field structure.")
def __init__(self,
fields,
objective_id=None,
data_locale=None,
missing_tokens=None,
terms=False,
categories=False,
numerics=False):
if isinstance(fields, dict):
try:
self.objective_id = objective_id
self.uniquify_varnames(fields)
self.inverted_fields = invert_dictionary(fields)
self.fields = {}
self.fields.update(fields)
if not (hasattr(self, "input_fields") and self.input_fields):
self.input_fields = [field_id for field_id, field in \
sorted( \
[(field_id, field) for field_id,
field in self.fields.items()],
key=lambda(x): x[1].get("column_number")) \
if not self.objective_id or \
field_id != self.objective_id]
self.model_fields = {}
self.datetime_parents = []
self.model_fields.update(
dict([(field_id, field) for field_id, field in \
self.fields.items() if field_id in self.input_fields and \
self.fields[field_id].get("preferred", True)]))
# if any of the model fields is a generated datetime field
# we need to add the parent datetime field
self.model_fields = self.add_datetime_parents()
self.data_locale = data_locale
self.missing_tokens = missing_tokens
if self.data_locale is None:
self.data_locale = DEFAULT_LOCALE
if self.missing_tokens is None:
self.missing_tokens = DEFAULT_MISSING_TOKENS
if terms:
# adding text and items information to handle terms
# expansion
self.term_forms = {}
self.tag_clouds = {}
self.term_analysis = {}
self.items = {}
self.item_analysis = {}
if categories:
self.categories = {}
if terms or categories or numerics:
self.add_terms(categories, numerics)
except KeyError:
raise Exception("Wrong field structure.")
def __init__(self, fields, objective_id=None, data_locale=None, missing_tokens=None):
if isinstance(fields, dict):
try:
self.objective_id = objective_id
self.uniquify_varnames(fields)
self.inverted_fields = invert_dictionary(fields)
self.fields = {}
self.fields.update(fields)
self.data_locale = data_locale
self.missing_tokens = missing_tokens
if self.data_locale is None:
self.data_locale = DEFAULT_LOCALE
if self.missing_tokens is None:
self.missing_tokens = DEFAULT_MISSING_TOKENS
except KeyError:
raise Exception("Wrong field structure.")
def __init__(self, fields, objective_id=None, data_locale=None,
missing_tokens=None):
if isinstance(fields, dict):
try:
self.objective_id = objective_id
self.uniquify_varnames(fields)
self.inverted_fields = invert_dictionary(fields)
self.fields = {}
self.fields.update(fields)
self.data_locale = data_locale
self.missing_tokens = missing_tokens
if self.data_locale is None:
self.data_locale = DEFAULT_LOCALE
if self.missing_tokens is None:
self.missing_tokens = DEFAULT_MISSING_TOKENS
except KeyError:
raise Exception("Wrong field structure.")
def create_prediction(self, model_or_ensemble, input_data=None,
by_name=True, args=None, wait_time=3, retries=10):
"""Creates a new prediction.
"""
ensemble_id = None
model_id = None
try:
ensemble_id = get_ensemble_id(model_or_ensemble)
if ensemble_id is not None:
if wait_time > 0:
count = 0
while (not self.ensemble_is_ready(ensemble_id) and
count < retries):
time.sleep(wait_time)
count += 1
try:
ensemble = self.get_ensemble(ensemble_id)
model_id = ensemble['object']['models'][0]
except (KeyError, IndexError), exc:
LOGGER.error("The ensemble has no valid model"
" information: %s" % str(exc))
model_id = None
except ValueError:
model_id = get_model_id(model_or_ensemble)
if model_id is not None:
if ensemble_id is None:
if wait_time > 0:
count = 0
while (not self.model_is_ready(model_id) and
count < retries):
time.sleep(wait_time)
count += 1
if input_data is None:
input_data = {}
elif by_name:
fields = self.get_fields(model_id)
inverted_fields = invert_dictionary(fields)
wrong_keys = [key for key in input_data.keys() if not key
in inverted_fields]
if wrong_keys:
LOGGER.error(("Some input fields are"
" not used in the model: %s") %
", ".join(wrong_keys))
input_data = dict(
[[inverted_fields[key], value]
for key, value in input_data.items()
if key in inverted_fields])
if args is None:
args = {}
args.update({
"input_data": input_data})
if ensemble_id is None:
args.update({
"model": model_id})
else:
args.update({
"ensemble": ensemble_id})
body = json.dumps(args)
return self._create(self.prediction_url, body)
def __init__(self,
fields,
objective_id=None,
data_locale=None,
missing_tokens=None,
terms=False,
categories=False,
numerics=False):
if isinstance(fields, dict):
try:
self.objective_id = objective_id
self.uniquify_varnames(fields)
self.inverted_fields = invert_dictionary(fields)
self.fields = {}
self.fields.update(fields)
if not (hasattr(self, "input_fields") and self.input_fields):
self.input_fields = [field_id for field_id, field in \
sorted(list(self.fields.items()),
key=lambda x: x[1].get("column_number")) \
if not self.objective_id or \
field_id != self.objective_id]
self.model_fields = {}
self.datetime_parents = []
self.model_fields.update(
dict([(field_id, field) for field_id, field in \
list(self.fields.items()) if field_id in self.input_fields and \
self.fields[field_id].get("preferred", True)]))
# if any of the model fields is a generated datetime field
# we need to add the parent datetime field
self.model_fields = self.add_datetime_parents()
self.data_locale = data_locale
self.missing_tokens = missing_tokens
if self.data_locale is None:
self.data_locale = DEFAULT_LOCALE
if self.missing_tokens is None:
self.missing_tokens = DEFAULT_MISSING_TOKENS
if terms:
# adding text and items information to handle terms
# expansion
self.term_forms = {}
self.tag_clouds = {}
self.term_analysis = {}
self.items = {}
self.item_analysis = {}
if categories:
self.categories = {}
if terms or categories or numerics:
self.add_terms(categories, numerics)
if self.objective_id is not None and \
hasattr(self, "resource_id") and self.resource_id and \
get_resource_type(self.resource_id) != ENSEMBLE_PATH:
# Only for models. Ensembles need their own logic
self.regression = \
(not hasattr(self, "boosting") or not self.boosting) \
and self.fields[self.objective_id][ \
'optype'] == NUMERIC \
or (hasattr(self, "boosting") and self.boosting and \
self.boosting.get("objective_class") is None)
except KeyError:
raise Exception("Wrong field structure.")
def __init__(self, model, api=None):
if (isinstance(model, dict) and 'resource' in model and
model['resource'] is not None):
self.resource_id = model['resource']
else:
# If only the model id is provided, the short version of the model
# resource is used to build a basic summary of the model
if api is None:
api = BigML()
self.resource_id = get_model_id(model)
if self.resource_id is None:
raise Exception(error_message(model,
resource_type='model',
method='get'))
query_string = '%s;%s' % (ONLY_MODEL, EXCLUDE_ROOT)
model = retrieve_model(api, self.resource_id,
query_string=query_string)
if ('object' in model and isinstance(model['object'], dict)):
model = model['object']
if ('model' in model and isinstance(model['model'], dict)):
status = get_status(model)
if ('code' in status and status['code'] == FINISHED):
if 'model_fields' in model['model']:
fields = model['model']['model_fields']
# pagination or exclusion might cause a field not to
# be in available fields dict
if not all(key in model['model']['fields']
for key in fields.keys()):
raise Exception("Some fields are missing"
" to generate a local model."
" Please, provide a model with"
" the complete list of fields.")
for field in fields:
field_info = model['model']['fields'][field]
if 'summary' in field_info:
fields[field]['summary'] = field_info['summary']
fields[field]['name'] = field_info['name']
else:
fields = model['model']['fields']
objective_field = model['objective_fields']
self.objective_field = extract_objective(objective_field)
self.uniquify_varnames(fields)
self.inverted_fields = invert_dictionary(fields)
self.all_inverted_fields = invert_dictionary(model['model']
['fields'])
self.fields = fields
self.description = model['description']
self.field_importance = model['model'].get('importance',
None)
if self.field_importance:
self.field_importance = [element for element
in self.field_importance
if element[0] in fields]
self.locale = model.get('locale', DEFAULT_LOCALE)
else:
raise Exception("The model isn't finished yet")
else:
raise Exception("Cannot create the BaseModel instance. Could not"
" find the 'model' key in the resource:\n\n%s" %
model)
def __init__(self, model, api=None):
if check_model_structure(model):
self.resource_id = model['resource']
else:
# If only the model id is provided, the short version of the model
# resource is used to build a basic summary of the model
if api is None:
api = BigML()
self.resource_id = get_model_id(model)
if self.resource_id is None:
raise Exception(
api.error_message(model,
resource_type='model',
method='get'))
query_string = ONLY_MODEL
model = retrieve_model(api,
self.resource_id,
query_string=query_string)
# Stored copies of the model structure might lack some necessary
# keys
if not check_model_structure(model):
model = api.get_model(self.resource_id,
query_string=query_string)
if ('object' in model and isinstance(model['object'], dict)):
model = model['object']
if ('model' in model and isinstance(model['model'], dict)):
status = get_status(model)
if ('code' in status and status['code'] == FINISHED):
if 'model_fields' in model['model']:
fields = model['model']['model_fields']
# pagination or exclusion might cause a field not to
# be in available fields dict
if not all(key in model['model']['fields']
for key in fields.keys()):
raise Exception("Some fields are missing"
" to generate a local model."
" Please, provide a model with"
" the complete list of fields.")
for field in fields:
field_info = model['model']['fields'][field]
if 'summary' in field_info:
fields[field]['summary'] = field_info['summary']
fields[field]['name'] = field_info['name']
objective_field = model['objective_fields']
self.objective_field = extract_objective(objective_field)
self.uniquify_varnames(fields)
self.inverted_fields = invert_dictionary(fields)
self.fields = fields
self.description = model['description']
self.field_importance = model['model'].get('importance', None)
if self.field_importance:
self.field_importance = [
element for element in self.field_importance
if element[0] in fields
]
self.locale = model.get('locale', DEFAULT_LOCALE)
else:
raise Exception("The model isn't finished yet")
else:
raise Exception("Cannot create the BaseModel instance. Could not"
" find the 'model' key in the resource:\n\n%s" %
model)
def create_prediction(self, model_or_ensemble, input_data=None,
by_name=True, args=None, wait_time=3, retries=10):
"""Creates a new prediction.
"""
ensemble_id = None
model_id = None
try:
ensemble_id = get_ensemble_id(model_or_ensemble)
if ensemble_id is not None:
if wait_time > 0:
count = 0
while (not self.ensemble_is_ready(ensemble_id) and
count < retries):
time.sleep(wait_time)
count += 1
try:
ensemble = self.get_ensemble(ensemble_id)
model_id = ensemble['object']['models'][0]
except (KeyError, IndexError), exc:
LOGGER.error("The ensemble has no valid model"
" information: %s" % str(exc))
model_id = None
except ValueError:
model_id = get_model_id(model_or_ensemble)
if model_id is not None:
if ensemble_id is None:
if wait_time > 0:
count = 0
while (not self.model_is_ready(model_id) and
count < retries):
time.sleep(wait_time)
count += 1
if input_data is None:
input_data = {}
elif by_name:
fields = self.get_fields(model_id)
inverted_fields = invert_dictionary(fields)
wrong_keys = [key for key in input_data.keys() if not key
in inverted_fields]
if wrong_keys:
LOGGER.error(("Some input fields are"
" not used in the model: %s") %
", ".join(wrong_keys))
input_data = dict(
[[inverted_fields[key], value]
for key, value in input_data.items()
if key in inverted_fields])
if args is None:
args = {}
args.update({
"input_data": input_data})
if ensemble_id is None:
args.update({
"model": model_id})
else:
args.update({
"ensemble": ensemble_id})
body = json.dumps(args)
return self._create(self.prediction_url, body)