wehub-resource-sync
51 lines
1.4 KiB
Python
Executable File
51 lines
1.4 KiB
Python
Executable File
#!/usr/local/bin/python3
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# -*- coding: utf-8 -*-
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from tornado import gen
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import libs.stock_web_dic as stock_web_dic
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import web.base as webBase
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import libs.common as common
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import logging
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import tornado.web
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import matplotlib
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matplotlib.use('Agg')
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import matplotlib.pyplot as plt
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import numpy as np
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import io
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def GenImage(freq):
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t = np.linspace(0, 10, 500)
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y = np.sin(t * freq * 2 * 3.141)
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fig1 = plt.figure()
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plt.plot(t, y)
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plt.xlabel('Time [s]')
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memdata = io.BytesIO()
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plt.grid(True)
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plt.savefig(memdata, format='png')
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image = memdata.getvalue()
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return image
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class ImageHandler(tornado.web.RequestHandler):
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@gen.coroutine
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def get(self):
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image = GenImage(0.5)
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self.set_header('Content-type', 'image/png')
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self.set_header('Content-length', len(image))
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self.write(image)
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# 获得页面数据。
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class GetChartHtmlHandler(webBase.BaseHandler):
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@gen.coroutine
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def get(self):
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name = self.get_argument("table_name", default=None, strip=False)
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#stockWeb = stock_web_dic.STOCK_WEB_DATA_MAP[name]
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# self.uri_ = ("self.request.url:", self.request.uri)
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# print self.uri_
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logging.info("chart...")
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self.render("stock_chart.html", entries="",
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pythonStockVersion=common.__version__,
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leftMenu=webBase.GetLeftMenu(self.request.uri))
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