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# -*- coding: utf-8 -*- |
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# |
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# This file is part of SENAITE.CORE |
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# |
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# Copyright 2018 by it's authors. |
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# Some rights reserved. See LICENSE.rst, CONTRIBUTORS.rst. |
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import cProfile |
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import json |
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import os |
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import time |
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from functools import wraps |
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from bika.lims import api |
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from bika.lims import logger |
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from senaite.core.supermodel.interfaces import ISuperModel |
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from zope.component import queryAdapter |
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def XXX_REMOVEME(func): |
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"""Decorator for dead code removal |
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""" |
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@wraps(func) |
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def decorator(self, *args, **kwargs): |
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msg = "~~~~~~~ XXX REMOVEME marked method called: {}.{}".format( |
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self.__class__.__name__, func.func_name) |
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raise RuntimeError(msg) |
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return func(self, *args, **kwargs) |
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return decorator |
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View Code Duplication |
def returns_json(func): |
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"""Decorator for functions which return JSON |
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""" |
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def decorator(*args, **kwargs): |
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instance = args[0] |
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request = getattr(instance, 'request', None) |
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request.response.setHeader("Content-Type", "application/json") |
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result = func(*args, **kwargs) |
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return json.dumps(result) |
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return decorator |
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def returns_super_model(func): |
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"""Decorator to return standard content objects as SuperModels |
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""" |
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def to_super_model(obj): |
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# avoid circular imports |
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from senaite.core.supermodel import SuperModel |
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# Object is already a SuperModel |
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if isinstance(obj, SuperModel): |
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return obj |
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# Only portal objects are supported |
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if not api.is_object(obj): |
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raise TypeError("Expected a portal object, got '{}'" |
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.format(type(obj))) |
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# Wrap the object into a specific Publication Object Adapter |
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uid = api.get_uid(obj) |
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portal_type = api.get_portal_type(obj) |
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adapter = queryAdapter(uid, ISuperModel, name=portal_type) |
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if adapter is None: |
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return SuperModel(uid) |
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return adapter |
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@wraps(func) |
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def wrapper(*args, **kwargs): |
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obj = func(*args, **kwargs) |
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if isinstance(obj, (list, tuple)): |
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return map(to_super_model, obj) |
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return to_super_model(obj) |
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return wrapper |
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def profileit(path=None): |
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"""cProfile decorator to profile a function |
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:param path: output file path |
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:type path: str |
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:return: Function |
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""" |
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def inner(func): |
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@wraps(func) |
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def wrapper(*args, **kwargs): |
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prof = cProfile.Profile() |
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retval = prof.runcall(func, *args, **kwargs) |
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if path is not None: |
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print prof.print_stats() |
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prof.dump_stats(os.path.expanduser(path)) |
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else: |
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print prof.print_stats() |
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return retval |
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return wrapper |
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return inner |
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def timeit(threshold=0): |
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"""Decorator to log the execution time of a function |
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""" |
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def inner(func): |
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@wraps(func) |
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def wrapper(*args, **kwargs): |
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start = time.time() |
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return_value = func(*args, **kwargs) |
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end = time.time() |
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duration = float(end-start) |
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if duration > threshold: |
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logger.info("Execution of '{}{}' took {:2f}s".format( |
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func.__name__, args, duration)) |
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return return_value |
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return wrapper |
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return inner |
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senaite /
senaite.core
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