def _check_version(self):
"""
Checks if conda search has a newer version of MSS
"""
# Don't notify on updates if mss is in a git repo, as you are most likely a developer
try:
git = subprocess.run(["git", "rev-parse", "--is-inside-work-tree"],
startupinfo=subprocess_startupinfo(),
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT, encoding="utf8")
if "true" in git.stdout:
self.is_git_env = True
except FileNotFoundError:
pass
# Return if conda is not installed
try:
subprocess.run(["conda"], startupinfo=subprocess_startupinfo(),
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
except FileNotFoundError:
return
self.on_status_update.emit("Checking for updates...")
# Check if "search mss" yields a higher version than the currently running one
search = self._execute_command(f"{self.command} search mss")
self.new_version = search.split("\n")[-2].split()[1]
c_list = self._execute_command(f"{self.command} list -f mss")
self.old_version = c_list.split("\n")[-2].split()[1]
if any(c.isdigit() for c in self.new_version):
if self.new_version > self.old_version:
self.on_status_update.emit("Your version of MSS is outdated!")
self.on_update_available.emit(self.old_version, self.new_version)
else:
self.on_status_update.emit("Your MSS is up to date.")
def _execute_command(self, command):
"""
Handles proper execution of conda subprocesses and logging
"""
process = subprocess.Popen(command.split(),
startupinfo=subprocess_startupinfo(),
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
encoding="utf8")
self.on_log_update.emit(" ".join(process.args) + "\n")
text = ""
for line in process.stdout:
self.on_log_update.emit(line)
text += line
# Happens e.g. on connection errors during installation attempts
if "An unexpected error has occurred. Conda has prepared the above report" in text:
raise RuntimeError("Something went wrong! Can't safely continue to update.")
else:
return text
def __init__(self, parent=None):
super(Updater, self).__init__(parent)
self.is_git_env = False
self.new_version = None
self.old_version = None
self.command = "conda"
# Check if mamba is installed
try:
subprocess.run(["mamba"], startupinfo=subprocess_startupinfo(),
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
self.command = "mamba"
except FileNotFoundError:
pass
# pyqtSignals don't work without an application eventloop running
if QtCore.QCoreApplication.startingUp():
self.on_update_available = NonQtCallback()
self.on_update_finished = NonQtCallback()
self.on_log_update = NonQtCallback()
self.on_status_update = NonQtCallback()