37 lines
989 B
Python
37 lines
989 B
Python
import tempfile
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from kivyblocks.baseWidget import HTTPDataHandler
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from kivyblocks.utils import blockImage, absurl
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from kivy.uix.image import Image
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class HostImage(Image):
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def __init__(self, target,**kwargs):
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self.options = kwargs
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self.target = target
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kwargs['source'] = blockImage('running.gif')
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url = kwargs.get('url')
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del kwargs['url']
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super().__init__(**kwargs)
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self.downloadImage(url)
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def downloadImage(self,url):
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realurl = absurl(url,self.target.parenturl)
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loader = HTTPDataHandler(url,stream=True)
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loader.bind(on_success=self.createTmpfile)
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loader.bind(on_failed=self.showBadImage)
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loader.handle()
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def showBadImage(self,o,e):
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self.source = blockImage('broken.png')
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def createTmpfile(self,o,resp):
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fn = tempfile.mkstemp()[1]
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print('************fn=%s',fn)
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with open(fn, 'wb') as f:
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for chunk in resp.iter_content(chunk_size=8192):
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if chunk: # filter out keep-alive new chunks
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f.write(chunk)
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# f.flush()
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self.source = fn
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