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 __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.pip = os.path.join(self.bin, "pip")
self._frozen = None
if runez.is_younger(self.python, self.lock.keep):
return
runez.delete(self.folder)
venv = system.virtualenv_path()
if not venv:
runez.abort("Can't determine path to virtualenv.py")
runez.run(self.venv_python.executable, venv, self.folder)
def auto_upgrade(force, package):
"""
Auto-upgrade a package
"""
p = PACKAGERS.resolved(package)
if not p.current.valid:
sys.exit("%s is not currently installed" % package)
ping = system.SETTINGS.meta.full_path(package, ".ping")
if not force and runez.is_younger(ping,
system.SETTINGS.version_check_seconds):
# We checked for auto-upgrade recently, no need to check again yet
print("Skipping auto-upgrade, checked recently")
sys.exit(0)
runez.touch(ping)
try:
p.internal_install()
except SoftLockException:
print(
"Skipping auto-upgrade, %s is currently being installed by another process"
% package)
sys.exit(0)
def test_paths(temp_folder):
assert runez.resolved_path(None) is None
assert runez.resolved_path("some-file") == os.path.join(temp_folder, "some-file")
assert runez.resolved_path("some-file", base="bar") == os.path.join(temp_folder, "bar", "some-file")
assert runez.short(None) is None
assert runez.short("") == ""
assert runez.short(temp_folder) == temp_folder
assert runez.short(temp_folder + "/some-file") == "some-file"
assert runez.short(temp_folder + "/some-file") == "some-file"
assert runez.parent_folder(None) is None
assert runez.parent_folder(temp_folder + "/some-file") == temp_folder
assert runez.represented_args(["ls", temp_folder + "/some-file bar", "-a"]) == 'ls "some-file bar" -a'
# Don't crash for no-ops
assert runez.ensure_folder(None) == 0
assert runez.ensure_folder("") == 0
assert runez.copy(None, None) == 0
assert runez.move(None, None) == 0
assert runez.symlink(None, None) == 0
assert runez.copy("some-file", "some-file") == 0
assert runez.move("some-file", "some-file") == 0
assert runez.symlink("some-file", "some-file") == 0
assert runez.ensure_folder("some-folder") == 0 # 'some-folder' would be in temp_folder, which already exists
with runez.CaptureOutput(dryrun=True) as logged:
assert runez.ensure_folder("some-folder", folder=True, fatal=False) == 1
assert "Would create" in logged.pop()
assert runez.touch("some-file", logger=logging.debug) == 1
assert "Would touch some-file" in logged.pop()
assert runez.copy("some-file", "bar") == 1
assert "Would copy some-file -> bar" in logged.pop()
assert runez.move("some-file", "bar") == 1
assert "Would move some-file -> bar" in logged.pop()
assert runez.symlink("some-file", "bar") == 1
assert "Would symlink some-file <- bar" in logged.pop()
assert runez.delete(temp_folder) == 1
assert "Would delete" in logged.pop()
assert runez.copy("some-folder/bar/baz", "some-folder", fatal=False) == -1
assert "source contained in destination" in logged.pop()
assert runez.move("some-folder/bar/baz", "some-folder", fatal=False) == -1
assert "source contained in destination" in logged.pop()
assert runez.symlink("some-folder/bar/baz", "some-folder", fatal=False) == -1
assert "source contained in destination" in logged.pop()
with runez.CaptureOutput():
assert runez.touch("sample") == 1
assert "Can't create folder" in runez.verify_abort(runez.ensure_folder, "sample", folder=True)
custom = runez.verify_abort(runez.ensure_folder, "sample", folder=True, fatal=SystemExit, expected_exception=SystemExit)
assert "Can't create folder" in custom
with pytest.raises(AssertionError):
assert runez.verify_abort(runez.ensure_folder, None)
assert runez.delete("sample") == 1
assert runez.ensure_folder("sample", folder=True) == 1
assert os.getcwd() == temp_folder
with runez.CurrentFolder("sample", anchor=False):
cwd = os.getcwd()
sample = os.path.join(temp_folder, "sample")
assert cwd == sample
assert runez.short(os.path.join(cwd, "some-file")) == "sample/some-file"
with runez.CurrentFolder("sample", anchor=True):
cwd = os.getcwd()
sample = os.path.join(temp_folder, "sample")
assert cwd == sample
assert runez.short(os.path.join(cwd, "some-file")) == "some-file"
assert os.getcwd() == temp_folder
assert runez.delete("sample") == 1
with runez.CaptureOutput() as logged:
sample = os.path.join(os.path.dirname(__file__), "sample.txt")
content = runez.get_lines(sample)
assert runez.write("sample", "".join(content), fatal=False, logger=logging.debug) == 1
assert runez.get_lines("sample") == content
assert "Writing 13 bytes" in logged.pop()
assert runez.first_line("sample") == "Fred"
assert runez.is_younger("sample", age=10)
assert not runez.is_younger("sample", age=-1)
assert runez.copy("bar", "baz", fatal=False) == -1
assert "does not exist" in logged.pop()
assert runez.move("bar", "baz", fatal=False) == -1
assert "does not exist" in logged.pop()
assert runez.symlink("bar", "baz", fatal=False) == -1
assert "does not exist" in logged.pop()
# Creating dangling symlinks is possible
assert runez.symlink("bar", "baz", fatal=False, must_exist=False) == 1
assert "Symlink bar <- baz" in logged.pop()
assert os.path.islink("baz")
assert not os.path.exists("baz")
assert runez.copy("sample", "x/y/sample") == 1
assert runez.symlink("sample", "x/y/sample3", fatal=False) == 1
assert os.path.exists("sample")
assert runez.move("sample", "x/y/sample2") == 1
assert not os.path.exists("sample")
assert runez.copy("x/y", "x/z") == 1
assert os.path.exists("x/z/sample")
assert os.path.exists("x/z/sample2")
assert os.path.exists("x/z/sample3")
assert os.path.islink("x/z/sample3")
assert runez.touch(None) == 0
assert not runez.is_younger(None, 1)
assert not runez.is_younger("/dev/null/not-there", 1)
assert runez.first_line("/dev/null/not-there") is None
assert runez.get_lines(None) is None
def _should_keep(self):
"""Should we keep folder after lock release?"""
return runez.is_younger(self.folder, self.keep)