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from __future__ import annotations
import json
import os.path
from typing import Iterator
from uuid import uuid4
from functools import partial
import webview
import platformdirs
from plyer import camera
from plyer import filechooser
app_storage_path = platformdirs.user_pictures_dir
user_select_image = partial(
filechooser.open_file,
path=platformdirs.user_pictures_dir(),
filters=[["Image", "*.jpg", "*.jpeg", "*.png", "*.webp", "*.svg"]],
)
try:
from android.runnable import run_on_ui_thread
import android.permissions
from android.permissions import Permission
from android.permissions import _RequestPermissionsManager
_RequestPermissionsManager.register_callback()
from .android_gallery import user_select_image
has_android = True
except:
run_on_ui_thread = lambda a : a
has_android = False
from .api import Api
class JsApi(Api):
def get_conversation(self, options: dict, **kwargs) -> Iterator:
window = webview.windows[0]
if hasattr(self, "image") and self.image is not None:
kwargs["image"] = open(self.image, "rb")
for message in self._create_response_stream(
self._prepare_conversation_kwargs(options, kwargs),
options.get("conversation_id"),
options.get('provider')
):
if not window.evaluate_js(f"if (!this.abort) this.add_message_chunk({json.dumps(message)}); !this.abort && !this.error;"):
break
self.image = None
self.set_selected(None)
@run_on_ui_thread
def choose_image(self):
self.request_permissions()
user_select_image(
on_selection=self.on_image_selection
)
@run_on_ui_thread
def take_picture(self):
self.request_permissions()
filename = os.path.join(app_storage_path(), f"chat-{uuid4()}.png")
camera.take_picture(filename=filename, on_complete=self.on_camera)
def on_image_selection(self, filename):
filename = filename[0] if isinstance(filename, list) and filename else filename
if filename and os.path.exists(filename):
self.image = filename
else:
self.image = None
self.set_selected(None if self.image is None else "image")
def on_camera(self, filename):
if filename and os.path.exists(filename):
self.image = filename
else:
self.image = None
self.set_selected(None if self.image is None else "camera")
def set_selected(self, input_id: str = None):
window = webview.windows[0]
if window is not None:
window.evaluate_js(
f"document.querySelector(`.image-label.selected`)?.classList.remove(`selected`);"
)
if input_id is not None and input_id in ("image", "camera"):
window.evaluate_js(
f'document.querySelector(`label[for="{input_id}"]`)?.classList.add(`selected`);'
)
def request_permissions(self):
if has_android:
android.permissions.request_permissions([
Permission.CAMERA,
Permission.READ_EXTERNAL_STORAGE,
Permission.WRITE_EXTERNAL_STORAGE
])
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