SolarFM/plugins/translate/plugin.py

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# Python imports
import os
import time
import threading
import requests
import json
from . import brotli
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# Lib imports
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
from gi.repository import GLib
# Application imports
from plugins.plugin_base import PluginBase
# NOTE: Threads WILL die with parent's destruction.
def daemon_threaded(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
return wrapper
class Plugin(PluginBase):
def __init__(self):
super().__init__()
self.path = os.path.dirname(os.path.realpath(__file__))
self.name = "Translate" # NOTE: Need to remove after establishing private bidirectional 1-1 message bus
# where self.name should not be needed for message comms
self._GLADE_FILE = f"{self.path}/translate.glade"
self._link = "https://duckduckgo.com/translation.js?"
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self._headers = {
'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:106.0) Gecko/20100101 Firefox/106.0',
'Accept': '*/*',
'Accept-Language': 'en-US,en;q=0.5',
'Accept-Encoding': 'gzip, deflate, br',
'Referer': 'https://duckduckgo.com/',
'Content-Type': 'text/plain',
'X-Requested-With': 'XMLHttpRequest',
'Origin': 'https://duckduckgo.com',
'DNT': '1',
'Connection': 'keep-alive',
'Sec-Fetch-Dest': 'empty',
'Sec-Fetch-Mode': 'cors',
'Sec-Fetch-Site': 'same-origin',
'Pragma': 'no-cache',
'Cache-Control': 'no-cache'
}
self.vqd_link = "https://duckduckgo.com/?hps=1&q=translate&ia=web"
self.vqd_data = {"q": "translate", "ia":"web"}
self.vqd_headers = {
'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:106.0) Gecko/20100101 Firefox/106.0',
"Referer": "https://duckduckgo.com/"
}
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self._queue_translate = False
self._watcher_running = False
self._vqd_attrib = None
self.from_trans = "ja"
self.to_trans = "en"
self.translate_tries = 0
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def generate_reference_ui_element(self):
button = Gtk.Button(label=self.name)
button.connect("button-release-event", self._show_translate_page)
return button
def run(self):
self._builder = Gtk.Builder()
self._builder.add_from_file(self._GLADE_FILE)
self._connect_builder_signals(self, self._builder)
self._translate_dialog = self._builder.get_object("translate_dialog")
self._translate_from = self._builder.get_object("translate_from")
self._translate_to = self._builder.get_object("translate_to")
self._translate_from_buffer = self._builder.get_object("translate_from_buffer")
self._translate_to_buffer = self._builder.get_object("translate_to_buffer")
self._detected_language_lbl = self._builder.get_object("detected_language_lbl")
self._detected_language_lbl.set_label(f"Selected Language: {self.from_trans}")
self.get_vqd()
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@threaded
def _show_translate_page(self, widget=None, eve=None):
event_system.emit("get_current_state")
state = self._fm_state
self._event_message = None
GLib.idle_add(self._show_ui, (state))
def _show_ui(self, state):
if state.uris and len(state.uris) == 1:
file_name = state.uris[0].split("/")[-1]
self._translate_from_buffer.set_text(file_name)
response = self._translate_dialog.run()
if response in [Gtk.ResponseType.CLOSE, Gtk.ResponseType.CANCEL, Gtk.ResponseType.DELETE_EVENT]:
self._translate_dialog.hide()
self._translate_dialog.hide()
def _pre_translate(self, widget=None, eve=None):
self._queue_translate = True
if not self._watcher_running:
self._watcher_running = True
self.run_translate_watcher()
@daemon_threaded
def run_translate_watcher(self):
while True:
if self._queue_translate:
self._queue_translate = False
time.sleep(1)
# NOTE: Hold call to translate if we're still typing/updating...
if self._queue_translate:
continue
GLib.idle_add(self._translate)
self._watcher_running = False
break
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def _translate(self):
start_itr, end_itr = self._translate_from_buffer.get_bounds()
from_translate = self._translate_from_buffer.get_text(start_itr, end_itr, True).encode('utf-8')
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if from_translate in ("", None) or self._queue_translate:
return
self.translate_tries += 1
tlink = f"https://duckduckgo.com/translation.js?vqd={self._vqd_attrib}&query=translate&from={self.from_trans}&to={self.to_trans}"
response = requests.post(tlink, headers=self._headers, data=from_translate)
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if response.status_code == 200:
data = self.get_data(response)
self.translate_tries = 0
self._translate_to_buffer.set_text(data["translated"])
if data["detected_language"]:
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self._detected_language_lbl.set_label(f"Detected Language: {data['detected_language']}")
else:
self._detected_language_lbl.set_label(f"Selected Language: {self.from_trans}")
elif response.status_code >= 400 or response.status_code < 500:
self.get_vqd()
if not self.translate_tries > 2:
self._translate()
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else:
msg = f"Could not translate... Response Code: {response.status_code}"
self._translate_to_buffer.set_text(msg)
def get_data(self, response):
data = None
try:
data = response.json()
except Exception as e:
...
try:
data = json.loads(response.text)
except Exception as e:
...
try:
decompress_str = brotli.decompress(response.content).decode("utf-8")
data = json.loads(decompress_str)
except Exception as e:
...
return data
# NOTE: https://github.com/deedy5/duckduckgo_search/blob/72acb900a346be576f0917dd3d6c0fbd618a71bf/duckduckgo_search/utils.py
def get_vqd(self):
response = requests.post(self.vqd_link, headers=self.vqd_headers, data=self.vqd_data, timeout=2)
if response.status_code == 200:
data = response.content
vqd_start_index = data.index(b"vqd='") + 5
vqd_end_index = data.index(b"'", vqd_start_index)
self._vqd_attrib = data[vqd_start_index:vqd_end_index].decode("utf-8")
print(f"Translation VQD: {self._vqd_attrib}")
else:
msg = f"Could not get VQS attribute... Response Code: {response.status_code}"
self._translate_to_buffer.set_text(msg)