def get(url, retry_count=3):
"""Downoads data from a url and returns it
Args:
url (str): The url to download (http, https)
retry_count (int): The number of retries to attempt if the initial download fails.
If retry_count is 0 the download will only be attempted once.
Returns:
bytes: The downloaded data, None is returned if the download fails
"""
if get_protocol(url) not in supported_protocols:
return None
info(f"Downloading {url}")
download_attempts_count = 0
while download_attempts_count <= retry_count:
try:
response = urllib.request.urlopen(url)
data = response.read()
info(f"Got {url}")
return data
except Exception as err:
download_attempts_count += 1
error(err)
return None
def translate(self):
"""Try to translate based on languages selected.
Args:
showError (bool): If True show an error messagebox if the
currently selected translation isn't installed
"""
if len(self.languages) < 1:
return
input_text = self.left_textEdit.toPlainText()
input_combo_value = self.left_language_combo.currentIndex()
input_language = self.languages[input_combo_value]
output_combo_value = self.right_language_combo.currentIndex()
output_language = self.languages[output_combo_value]
translation = input_language.get_translation(output_language)
if translation:
bound_translation_function = partial(translation.translate, input_text)
show_loading_message = len(input_text) > self.SHOW_LOADING_THRESHOLD
new_worker_thread = TranslationThread(
bound_translation_function, show_loading_message
)
new_worker_thread.send_text_update.connect(self.update_right_textEdit)
new_worker_thread.finished.connect(self.handle_worker_thread_finished)
if self.worker_thread == None:
self.worker_thread = new_worker_thread
self.worker_thread.start()
else:
self.queued_translation = new_worker_thread
else:
error("No translation available for this language pair")
def update_package_index():
"""Downloads remote package index"""
with package_lock:
try:
response = urllib.request.urlopen(settings.remote_package_index)
except Exception as err:
error(err)
return
data = response.read()
with open(settings.local_package_index, "wb") as f:
f.write(data)