"how to upload image using kivy UrlRequest" Code Answer's
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how to upload image using kivy UrlRequest
//library that can determine filetypes from binary data
import imghdr
from urllib.parse import urlencode
import kivy.properties as kp
from kivy.event import EventDispatcher
from kivy.network.urlrequest import UrlRequest
/constructs multi-part/form data from a file (needed to POST to a server via http)
from requests_toolbelt import MultipartEncoder
SLACK_IMAGE_URL = 'https://slack.com/api/files.upload'
class SlackClient(EventDispatcher):
slack_token = kp.ConfigParserProperty(
"",
"Slack",
"slack_api_token",
"app"
)
default_channel = kp.ConfigParserProperty(
"",
"Slack",
"slack_default_channel",
"app"
)
def __init__(self, **kwargs):
super().__init__(**kwargs)
def image_test(self, *args):
with open('my_image', 'rb') as f:
my_image = f.read()
//returns 'png' or 'jpg'
image_type = imghdr.what(None, h=my_image)
mime_type = f"image/{image_type}"
//constructs the POST PAYLOAD
payload = MultipartEncoder(
fields={
'file': (
'my_image.png',
my_image,
mime_type
)
}
)
headers = {
'Authorization': f"Bearer {self.slack_token}",
'Content-Type': payload.content_type
}
querystring = {"channels":"my_slack_channel"}
slack_query = urlencode(querystring)
url = f"{SLACK_IMAGE_URL}?{slack_query}"
//req_body parameter makes this a POST instead of a GET
UrlRequest(
url,
on_success = self.got_success,
on_redirect = self.got_redirect,
on_failure = self.got_fail,
on_error = self.got_error,
req_headers = headers,
req_body=payload,
verify = False
)
Source: www.reddit.com
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