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from kivy.lang import Builder
from kivy.app import App
from kivy.network.urlrequest import UrlRequest
from kivy.properties import NumericProperty, StringProperty, DictProperty
import json
KV = '''
#:import json json
#:import C kivy.utils.get_color_from_hex
BoxLayout:
orientation: 'vertical'
Label:
text: 'see https://httpbin.org for more information'
TextInput:
id: ti
hint_text: 'type url or select from dropdown'
size_hint_y: None
height: 48
multiline: False
foreground_color:
(
C('000000')
if (self.text).startswith('http') else
C('FF2222')
)
BoxLayout:
size_hint_y: None
height: 48
Spinner:
id: spinner
text: 'select'
values:
[
'http://httpbin.org/ip',
'http://httpbin.org/user-agent',
'http://httpbin.org/headers',
'http://httpbin.org/delay/3',
'http://httpbin.org/image/jpeg',
'http://httpbin.org/image/png',
'https://httpbin.org/delay/3',
'https://httpbin.org/image/jpeg',
'https://httpbin.org/image/png',
]
on_text: ti.text = self.text
Button:
text: 'GET'
on_press: app.fetch_content(ti.text)
disabled: not (ti.text).startswith('http')
size_hint_x: None
width: 50
Label:
text: str(app.status)
TextInput:
readonly: True
text: app.result_text
Image:
source: app.result_image
nocache: True
TextInput
readonly: True
text: json.dumps(app.headers, indent=2)
'''
class UrlExample(App):
status = NumericProperty()
result_text = StringProperty()
result_image = StringProperty()
headers = DictProperty()
def build(self):
return Builder.load_string(KV)
def fetch_content(self, url):
self.cleanup()
UrlRequest(
url,
on_success=self.on_success,
on_failure=self.on_failure,
on_error=self.on_error
)
def cleanup(self):
self.result_text = ''
self.result_image = ''
self.status = 0
self.headers = {}
def on_success(self, req, result):
self.cleanup()
headers = req.resp_headers
content_type = headers.get('content-type', headers.get('Content-Type'))
if content_type.startswith('image/'):
fn = 'tmpfile.{}'.format(content_type.split('/')[1])
with open(fn, 'wb') as f:
f.write(result)
self.result_image = fn
else:
if isinstance(result, dict):
self.result_text = json.dumps(result, indent=2)
else:
self.result_text = result
self.status = req.resp_status
self.headers = headers
def on_failure(self, req, result):
self.cleanup()
self.result_text = result
self.status = req.resp_status
self.headers = req.resp_headers
def on_error(self, req, result):
self.cleanup()
self.result_text = str(result)
if __name__ == '__main__':
UrlExample().run()
|
