_.@sdZddlZddlZddlZddlmZddlmZddlmZddl m Z ddl m Z dd l mZdd l mZdd lmZdd lmZyddlZWnek rdZYnXd ejdkZdddddddddg ZddZddZGdddejZGdddejZdddZdd d!Zd"d#Zdd$dZdd%dZdd&dZ dd'dZ!d(dZ"d)dZ#d*dZ$d+d,Z%dS)-zH flask.json ~~~~~~~~~~ :copyright: 2010 Pallets :license: BSD-3-Clause N)date)datetime)json)Markup) http_date)PY2) text_type) current_app)requestz\//dumpdumpsloadloads htmlsafe_dumphtmlsafe_dumps JSONDecoder JSONEncoderjsonifycCs7t|jdtr3tjtj||}|S)Nr) isinstancereadbytesio TextIOWrapperBufferedReader)fpencodingr4/tmp/pip-build-5gj8f0j9/flask/flask/json/__init__.py_wrap_reader_for_text/sr c Cs<y|jdWn$tk r7tj||}YnX|S)N)write TypeErrorrr)rrrrr_wrap_writer_for_text5s  r$c@s"eZdZdZddZdS)ralThe default Flask JSON encoder. This one extends the default encoder by also supporting ``datetime``, ``UUID``, ``dataclasses``, and ``Markup`` objects. ``datetime`` objects are serialized as RFC 822 datetime strings. This is the same as the HTTP date format. In order to support more data types, override the :meth:`default` method. cCst|trt|jSt|tr>t|jSt|tjrZt|St r|t j |r|t j |St |drt |jStjj||S)a&Implement this method in a subclass such that it returns a serializable object for ``o``, or calls the base implementation (to raise a :exc:`TypeError`). For example, to support arbitrary iterators, you could implement default like this:: def default(self, o): try: iterable = iter(o) except TypeError: pass else: return list(iterable) return JSONEncoder.default(self, o) __html__)rrr utctimetupler timetupleuuidUUIDstr dataclassesZ is_dataclassZasdicthasattrr r%_jsonrdefault)selforrrr.Is  zJSONEncoder.defaultN)__name__ __module__ __qualname____doc__r.rrrrr=s c@seZdZdZdS)raThe default JSON decoder. This one does not change the behavior from the default simplejson decoder. Consult the :mod:`json` documentation for more information. This decoder is not only used for the load functions of this module but also :attr:`~flask.Request`. N)r1r2r3r4rrrrrgs cCs|dkrt}|rtr3|jjtjnd}|jd|rZ|jrZ|jn|j|jds|jdd|jd|jdn |jdd|jdtdS) z,Inject default arguments for dump functions.NclsZ JSON_AS_ASCII ensure_asciiF sort_keysZJSON_SORT_KEYST) r r blueprintsget blueprint setdefaultZ json_encoderconfigr)kwargsappbprrr_dump_arg_defaultsos !% r@cCs{|dkrt}|rgtr3|jjtjnd}|jd|rZ|jrZ|jn|jn|jdtdS)z,Inject default arguments for load functions.Nr5)r r r8r9r:r;Z json_decoderr)r=r>r?rrr_load_arg_defaultss !(rAcCs,|dd}|ddtjkr-dSd|kr=dS|tjtjfkrYdS|ddtjtjfkrd St|dkr|ddd krd S|dddd krd S|ddd krdS|dddd krdSt|dkr(|jdr$d SdSdS)acDetect which UTF codec was used to encode the given bytes. The latest JSON standard (:rfc:`8259`) suggests that only UTF-8 is accepted. Older documents allowed 8, 16, or 32. 16 and 32 can be big or little endian. Some editors or libraries may prepend a BOM. :param data: Bytes in unknown UTF encoding. :return: UTF encoding name Nz utf-8-sigszutf-8zutf-32rzutf-16sz utf-32-besz utf-16-bez utf-32-lez utf-16-le)codecsBOM_UTF8 BOM_UTF32_BE BOM_UTF32_LE BOM_UTF16_BE BOM_UTF16_LElen startswith)dataheadrrrdetect_encodings*  "rOcKsbt|d||jdd}tj||}|dk r^t|tr^|j|}|S)aOSerialize ``obj`` to a JSON-formatted string. If there is an app context pushed, use the current app's configured encoder (:attr:`~flask.Flask.json_encoder`), or fall back to the default :class:`JSONEncoder`. Takes the same arguments as the built-in :func:`json.dumps`, and does some extra configuration based on the application. If the simplejson package is installed, it is preferred. :param obj: Object to serialize to JSON. :param app: App instance to use to configure the JSON encoder. Uses ``current_app`` if not given, and falls back to the default encoder when not in an app context. :param kwargs: Extra arguments passed to :func:`json.dumps`. .. versionchanged:: 1.0.3 ``app`` can be passed directly, rather than requiring an app context for configuration. r>rN)r@popr-rrr encode)objr>r=rrvrrrrs cKsTt|d||jdd}|dk r=t||}tj|||dS)z1Like :func:`dumps` but writes into a file object.r>rN)r@rPr$r-r )rRrr>r=rrrrr s  cKsht|d|t|trX|jdd}|dkrIt|}|j|}tj||S)aXDeserialize an object from a JSON-formatted string ``s``. If there is an app context pushed, use the current app's configured decoder (:attr:`~flask.Flask.json_decoder`), or fall back to the default :class:`JSONDecoder`. Takes the same arguments as the built-in :func:`json.loads`, and does some extra configuration based on the application. If the simplejson package is installed, it is preferred. :param s: JSON string to deserialize. :param app: App instance to use to configure the JSON decoder. Uses ``current_app`` if not given, and falls back to the default encoder when not in an app context. :param kwargs: Extra arguments passed to :func:`json.dumps`. .. versionchanged:: 1.0.3 ``app`` can be passed directly, rather than requiring an app context for configuration. r>rN)rArrrPrOdecoder-r)sr>r=rrrrrs  cKsGt|d|ts7t||jddp1d}tj||S)z0Like :func:`loads` but reads from a file object.r>rNzutf-8)rArr rPr-r)rr>r=rrrrs!cKs[t||jddjddjddjdd}tsW|jd d }|S) a:Works exactly like :func:`dumps` but is safe for use in ``