[英]Flask response character set
我正在开发自己的API,目前我用西班牙语存储其中一个字段。 数据库为Postgres 9.5(字段类型为varchar):
File Encoding : utf-8
文本域:
"text" varchar(65536) COLLATE "default"
当我从文本返回值时,我使用flask_sqlalchemy来获取数据。
class Serializer(object):
"""
Serialize information from database to a JSON Dictionary
"""
def serialize(self):
return {c: getattr(self, c) for c in inspect(self).attrs.keys()}
@staticmethod
def serialize_list(l):
return [m.serialize() for m in l]
class AutoSerialize(object):
"""
Mixin for retrieving public fields of model in json-compatible format'
"""
__public__ = None
def get_public(self, exclude=(), extra=()):
"Returns model's PUBLIC data for jsonify"
data = {}
keys = self._sa_instance_state.attrs.items()
public = self.__public__ + extra if self.__public__ else extra
for k, field in keys:
if public and k not in public: continue
if k in exclude: continue
value = self._serialize(field.value)
if value:
data[k] = value
return data
@classmethod
def _serialize(cls, value, follow_fk=False):
if type(value) in (datetime,):
ret = value.isoformat()
elif hasattr(value, '__iter__'):
ret = []
for v in value:
ret.append(cls._serialize(v))
elif AutoSerialize in value.__class__.__bases__:
ret = value.get_public()
else:
ret = value
return ret
我在模型中的字段定义如下,并且我的类继承了Serializer
和AutoSerialize
:
description = Column(String(65536), nullable=True)
这是我将值返回给API客户端的方式:
articles = Model.Bits.query.order_by(Model.Bits.publishedAt.desc()).limit(10).all()
if articles:
log.info('api() | %d Articles found ' % len(articles))
response = []
values = ['author', 'title', 'description', 'url', 'urlToImage', 'publishedAt']
response = [{value: getattr(d, value) for value in values} for d in articles]
return jsonify(articles=response, status='ok', source='my_source', sortBy='latest')
使用curl我的响应如下所示:
{
"author": "Bros Lopez",
"description": "Spotify quiere ser m\u00e1s competitivo en su servicio de recomendaciones de contenido frente a marcas como Apple Music y Pandora. La empresa anunci\u00f3 la compra de la startup francesa Niland, la cual utiliza un sistema de inteligencia artificial para b\u00fasqueda y recomendaciones de contenido. Con 50 millones de usuarios activos Spotify quiere ser m\u00e1s rentable, pues a pesar de que el a\u00f1o pasado gener\u00f3 $3.1 mmdd en ventas, su margen bruto fue del 14%, pagando cerca de 2.7 mmdd en sellos discogr\u00e1ficos y editoriales. Por su parte, Pandora, unos de los principales competidores de Spotify, podr\u00eda ser adquirida por la empresa de radiodifusi\u00f3n SiriusXM, quien el a\u00f1o pasado le hizo una propuesta de compra por $3.4 mmdd. More Info",
"publishedAt": "Fri, 19 May 2017 20:00:00 GMT",
"title": "\u00bfPandora o Spotify?",
"url": "http://www.cnbc.com/2017/05/18/spotify-buys-niland-french-ai-music-startup.html",
"urlToImage": "https://ci4.googleusercontent.com/proxy/TWmEZRwlpPQrjs4HGZGx2041GryyquO7CjSR0oVBK-JUy4Xv3qHSiDow056iW8DV059chC93zFeXc4GVHKnzPpweUy-JzamK-l9pkW-Hgl1PnOun5s4XsE7K2NXBJljp-1Ltf5jyjfcn4j63Hv68FdFuqsw5UNTFBKkFug0=s0-d-e1-ft#https://gallery.mailchimp.com/f82949535ab2aab4bafde98f6/images/1f0dc47c-358b-4625-8744-105ffccfed98.jpg"
}
编码正确吗? 我尝试了其他客户端,并且字符正确显示,所以不确定是由客户端来正确显示信息还是由服务器决定。
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