You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
124 lines
3.8 KiB
124 lines
3.8 KiB
"""
|
|
This module defines what sandbox functions are made available to the Node controller,
|
|
and starts the grist sandbox. See engine.py for the API documentation.
|
|
"""
|
|
import sys
|
|
sys.path.append('thirdparty')
|
|
# pylint: disable=wrong-import-position
|
|
|
|
import marshal
|
|
import functools
|
|
|
|
import six
|
|
|
|
from acl_formula import parse_acl_formula
|
|
import actions
|
|
import sandbox
|
|
import engine
|
|
import migrations
|
|
import schema
|
|
import useractions
|
|
import objtypes
|
|
|
|
import logger
|
|
log = logger.Logger(__name__, logger.INFO)
|
|
|
|
def export(method):
|
|
# Wrap each method so that it logs a message that it's being called.
|
|
@functools.wraps(method)
|
|
def wrapper(*args, **kwargs):
|
|
log.debug("calling %s" % method.__name__)
|
|
return method(*args, **kwargs)
|
|
|
|
sandbox.register(method.__name__, wrapper)
|
|
|
|
def table_data_from_db(table_name, table_data_repr):
|
|
if table_data_repr is None:
|
|
return actions.TableData(table_name, [], {})
|
|
table_data_parsed = marshal.loads(table_data_repr)
|
|
id_col = table_data_parsed.pop("id")
|
|
return actions.TableData(table_name, id_col,
|
|
actions.decode_bulk_values(table_data_parsed, _decode_db_value))
|
|
|
|
def _decode_db_value(value):
|
|
# Decode database values received from SQLite's allMarshal() call. These are encoded by
|
|
# marshalling certain types and storing as BLOBs (received in Python as binary strings, as
|
|
# opposed to text which is received as unicode). See also encodeValue() in DocStorage.js
|
|
|
|
# TODO For the moment, the sandbox uses binary strings throughout (with text in utf8 encoding).
|
|
# We should switch to representing text with unicode instead. This requires care, at least in
|
|
# fixing various occurrences of str() in our code, which may fail and which return wrong type.
|
|
t = type(value)
|
|
if t == unicode:
|
|
return value.encode('utf8')
|
|
elif t == str:
|
|
return objtypes.decode_object(marshal.loads(value))
|
|
else:
|
|
return value
|
|
|
|
def main():
|
|
eng = engine.Engine()
|
|
|
|
@export
|
|
def apply_user_actions(action_reprs):
|
|
action_group = eng.apply_user_actions([useractions.from_repr(u) for u in action_reprs])
|
|
return eng.acl_split(action_group).to_json_obj()
|
|
|
|
@export
|
|
def fetch_table(table_id, formulas=True, query=None):
|
|
return actions.get_action_repr(eng.fetch_table(table_id, formulas=formulas, query=query))
|
|
|
|
@export
|
|
def fetch_table_schema():
|
|
return eng.fetch_table_schema()
|
|
|
|
@export
|
|
def fetch_snapshot():
|
|
action_group = eng.fetch_snapshot()
|
|
return eng.acl_split(action_group).to_json_obj()
|
|
|
|
@export
|
|
def autocomplete(txt, table_id):
|
|
return eng.autocomplete(txt, table_id)
|
|
|
|
@export
|
|
def find_col_from_values(values, n, opt_table_id):
|
|
return eng.find_col_from_values(values, n, opt_table_id)
|
|
|
|
@export
|
|
def fetch_meta_tables(formulas=True):
|
|
return {table_id: actions.get_action_repr(table_data)
|
|
for (table_id, table_data) in six.iteritems(eng.fetch_meta_tables(formulas))}
|
|
|
|
@export
|
|
def load_meta_tables(meta_tables, meta_columns):
|
|
return eng.load_meta_tables(table_data_from_db("_grist_Tables", meta_tables),
|
|
table_data_from_db("_grist_Tables_column", meta_columns))
|
|
|
|
@export
|
|
def load_table(table_name, table_data):
|
|
return eng.load_table(table_data_from_db(table_name, table_data))
|
|
|
|
@export
|
|
def create_migrations(all_tables, metadata_only=False):
|
|
doc_actions = migrations.create_migrations(
|
|
{t: table_data_from_db(t, data) for t, data in six.iteritems(all_tables)}, metadata_only)
|
|
return [actions.get_action_repr(action) for action in doc_actions]
|
|
|
|
@export
|
|
def get_version():
|
|
return schema.SCHEMA_VERSION
|
|
|
|
@export
|
|
def get_formula_error(table_id, col_id, row_id):
|
|
return objtypes.encode_object(eng.get_formula_error(table_id, col_id, row_id))
|
|
|
|
export(parse_acl_formula)
|
|
export(eng.load_empty)
|
|
export(eng.load_done)
|
|
|
|
sandbox.run()
|
|
|
|
if __name__ == "__main__":
|
|
main()
|