def __init__(self, lock, venv_python):
"""
:param SoftLock lock: Acquired lock
"""
self.venv_python = venv_python
self.lock = lock
self.folder = lock.folder
self.bin = os.path.join(self.folder, "bin")
self.python = os.path.join(self.bin, "python")
self._frozen = None
if runez.file.is_younger(self.python, self.lock.keep):
return
runez.delete(self.folder)
is_py2 = runez.PY2
if venv_python:
is_py2 = runez.to_int(venv_python.major, default=2) < 3
if is_py2:
venv = virtualenv_path()
if not venv:
runez.abort("Can't determine path to virtualenv.py")
runez.run(self.venv_python.executable, venv, self.folder)
else:
runez.run(self.venv_python.executable, "-mvenv", self.folder)
runez.run(self.python, "-mpip", "install", "wheel")
def _locked(self):
"""
:return bool: True if lock is held by another process
"""
if not runez.is_younger(self.lock, self.invalid):
# Lock file does not exist or invalidation age reached
return False
# Consider locked if pid stated in lock file is still valid
pid = runez.to_int(runez.first_line(self.lock))
return runez.check_pid(pid)
def _locked(self):
"""
:return bool: True if lock is held by another process
"""
if not runez.file.is_younger(self.lock, self.invalid):
# Lock file does not exist or invalidation age reached
return False
# Consider locked if pid stated in lock file is still valid
for line in runez.readlines(self.lock, errors="ignore", fatal=False):
return runez.check_pid(runez.to_int(line))
def test_to_int():
# bogus
assert runez.to_int(None) is None
assert runez.to_int(None, default=0) == 0
assert runez.to_int("foo", default=1) == 1
assert runez.to_int("6.1", default=2) == 2
# valid
assert runez.to_int(5, default=3) == 5
assert runez.to_int("5", default=3) == 5
def _locked_by(self):
"""
Returns:
(str): CLI args of process holding the lock, if any
"""
if self.invalid and self.invalid > 0 and not runez.file.is_younger(
self.lock_path, self.invalid):
return None # Lock file does not exist or invalidation age reached
pid = None
for line in runez.readlines(self.lock_path):
if pid is not None:
return line # 2nd line hold CLI args process was invoked with
pid = runez.to_int(line)
if not runez.check_pid(pid):
return None # PID is no longer active
def test_ps():
assert runez.PsInfo.from_pid(None) is None
assert runez.PsInfo.from_pid(0) is None
p = runez.PsInfo()
check_process_tree(p)
assert p == runez.PsInfo(0)
assert p == runez.PsInfo("0")
assert p == runez.PsInfo(os.getpid())
assert p == runez.PsInfo("%s" % os.getpid())
info = p.info
assert info["PID"] in str(p)
assert p.cmd
assert p.cmd_basename
assert p.ppid == os.getppid()
assert p.userid != p.uid
parent = p.parent
assert parent.pid == p.ppid
# Verify that both variants (user name or uid number) for UID work
uid = p.uid
userid = p.userid
p = runez.PsInfo()
if runez.to_int(info["UID"]) is None:
p.info["UID"] = uid
else:
p.info["UID"] = userid
assert p.uid == uid
assert p.userid == userid
# Edge case: verify __eq__ based on pid
p.pid = 0
assert p != runez.PsInfo(0)
def test_to_int():
assert runez.to_int(None) is None
assert runez.to_int("foo") is None
assert runez.to_int(["foo"]) is None
assert runez.to_int("5.0") is None
assert runez.to_int("_5_") is None
assert runez.to_int("_5") is None
assert runez.to_int("5_") is None
assert runez.to_int("1__5") is None
assert runez.to_int("1_ 5") is None
assert runez.to_int("0") == 0
assert runez.to_int("-5") == -5
assert runez.to_int("15") == 15
assert runez.to_int("0o10") == 8
assert runez.to_int("0x10") == 16
assert runez.to_int("0o1_0") == 8
assert runez.to_int("0x1_0") == 16
assert runez.to_int(" 1_500 ") == 1500
assert runez.to_int("1_5 ") == 15
assert runez.to_int("1_500_001 ") == 1500001
def version_check_seconds(self):
"""
:return float: How many seconds to wait before checking for upgrades again
"""
return runez.to_int(self.get_value("version_check_delay"),
default=DEFAULT_VERSION_CHECK_DELAY) * 60
def install_timeout(self):
"""
:return float: How many minutes to give an installation to complete before assuming it failed
"""
return runez.to_int(self.get_value("install_timeout"),
default=DEFAULT_INSTALL_TIMEOUT)