/usr/lib/python3/dist-packages/trytond/rpc.py is in tryton-server 4.6.3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# this repository contains the full copyright notices and license terms.
from trytond.transaction import Transaction
__all__ = ['RPC']
class RPC(object):
'''Define RPC behavior
readonly: The transaction mode
instantiate: The position or the slice of the arguments to be instanciated
result: The function to transform the result
check_access: If access right must be checked
unique: Check instances are unique
'''
__slots__ = ('readonly', 'instantiate', 'result', 'check_access', 'unique')
def __init__(self, readonly=True, instantiate=None, result=None,
check_access=True, unique=True):
self.readonly = readonly
self.instantiate = instantiate
if result is None:
result = lambda r: r
self.result = result
self.check_access = check_access
self.unique = unique
def convert(self, obj, *args, **kwargs):
args = list(args)
kwargs = kwargs.copy()
if 'context' in kwargs:
context = kwargs.pop('context')
else:
context = args.pop()
timestamp = None
for key in list(context.keys()):
if key == '_timestamp':
timestamp = context[key]
# Remove all private keyword but _datetime for history
if key.startswith('_') and key != '_datetime':
del context[key]
if self.instantiate is not None:
def instance(data):
with Transaction().set_context(context):
if isinstance(data, int):
return obj(data)
elif isinstance(data, dict):
return obj(**data)
else:
if self.unique and len(data) != len(set(data)):
raise ValueError("Duplicate ids")
return obj.browse(data)
if isinstance(self.instantiate, slice):
for i, data in enumerate(args[self.instantiate]):
start, _, step = self.instantiate.indices(len(args))
i = i * step + start
args[i] = instance(data)
else:
data = args[self.instantiate]
args[self.instantiate] = instance(data)
if self.check_access:
context['_check_access'] = True
return args, kwargs, context, timestamp
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