def start(self, *args, **kwargs):
"""
Start the process. This method is thread-safe and can be called
redundantly without error or effect.
"""
with self.lock:
if self.started:
return
self.started = True
self.start_count += 1
if self.start_count != self.stop_count + 1:
raise AssertionError(
'Start/stop count mismatch during start()')
self.watcher = ProcRunner(self.cmd,
shell=self.shell,
spawn_hooks=self.spawn_hooks,
respawn=self.respawn)
self.watcher.start()
def run_procedure():
name = request.get_json()['name']
file_name = "weber/data/procedures/"
file_name += sanitize_filename(name, file_ending=".json")
proc = json.load(open(file_name, 'r'))
assert proc['name'] == name
assert not proc['items'] == []
app.runner = ProcRunner(proc['items'])
return "True"
def test_it_can_run_steps(self):
items = [{
"type": "binary",
"name": "hlt",
"state": 0,
"icon": "camera",
"stateVerbage": {
"1": "open",
"0": "closed"
},
"method": "hlt",
"position": "0",
"class": "Controller",
"prettyName": "HLT Valve",
"value": 0
}]
self.runner = ProcRunner(items)
self.runner.con.hlt(1)
assert self.runner.con.relay_status(
self.runner.con.settings.relays['hlt']) == 1
self.runner.next_step()
assert self.runner.con.relay_status(
self.runner.con.settings.relays['hlt']) == 0
def start(self, *args, **kwargs):
"""
Start the process. This method is thread-safe and can be called
redundantly without error or effect.
"""
with self.lock:
if self.started:
return
self.started = True
self.start_count += 1
if self.start_count != self.stop_count + 1:
raise AssertionError('Start/stop count mismatch during start()')
self.watcher = ProcRunner(self.cmd,
shell=self.shell,
spawn_hooks=self.spawn_hooks,
respawn=self.respawn)
self.watcher.start()
class ProcController(BaseController):
"""
The purpose of ProcController is to start and stop ProcRunners with
guarantees of thread safety and no waifs.
"""
def __init__(self, cmd, shell=False, spawn_hooks=[], respawn=True):
"""
respawn handles whether or not the application shall be automatically
respawned at all, default is True.
"""
self.lock = threading.Lock()
self.cmd = cmd
self.shell = shell
self.started = False
self.watcher = None
self.spawn_hooks = spawn_hooks
self.respawn = respawn
self.start_count = 0
self.stop_count = 0
def start(self, *args, **kwargs):
"""
Start the process. This method is thread-safe and can be called
redundantly without error or effect.
"""
with self.lock:
if self.started:
return
self.started = True
self.start_count += 1
if self.start_count != self.stop_count + 1:
raise AssertionError('Start/stop count mismatch during start()')
self.watcher = ProcRunner(self.cmd,
shell=self.shell,
spawn_hooks=self.spawn_hooks,
respawn=self.respawn)
self.watcher.start()
def stop(self, *args, **kwargs):
"""
Stop the process. This method is thread-safe and can be called
redundantly without error or effect.
"""
with self.lock:
if not self.started:
return
self.started = False
self.stop_count += 1
if self.stop_count != self.start_count:
raise AssertionError('Start/stop count mismatch during stop()')
self.watcher.shutdown()
self.watcher = None
def close(self):
"""
End the process immediately without blocking.
"""
try:
self.watcher.shutdown()
except AttributeError:
pass
finally:
self.spawn_hooks = self.watcher = None
def __del__(self):
self.close()
def add_spawn_hook(self, spawn_hook):
"""
Adds a spawn hook to the current list of spawn hooks
If there is already a watcher, also calls down to that object
to add the new spawn hook as well
"""
self.spawn_hooks.append(spawn_hook)
if self.watcher:
self.watcher.add_spawn_hook(spawn_hook)
def get_pid(self):
"""
Return process id, or 0 to signify error
"""
if self.watcher:
return self.watcher.get_pid()
return None
def handle_soft_relaunch(self, *args, **kwargs):
self.watcher.handle_soft_relaunch()
class ProcController(BaseController):
"""
The purpose of ProcController is to start and stop ProcRunners with
guarantees of thread safety and no waifs.
"""
def __init__(self, cmd, shell=False, spawn_hooks=[], respawn=True):
"""
respawn handles whether or not the application shall be automatically
respawned at all, default is True.
"""
self.lock = threading.Lock()
self.cmd = cmd
self.shell = shell
self.started = False
self.watcher = None
self.spawn_hooks = spawn_hooks
self.respawn = respawn
self.start_count = 0
self.stop_count = 0
def start(self, *args, **kwargs):
"""
Start the process. This method is thread-safe and can be called
redundantly without error or effect.
"""
with self.lock:
if self.started:
return
self.started = True
self.start_count += 1
if self.start_count != self.stop_count + 1:
raise AssertionError(
'Start/stop count mismatch during start()')
self.watcher = ProcRunner(self.cmd,
shell=self.shell,
spawn_hooks=self.spawn_hooks,
respawn=self.respawn)
self.watcher.start()
def stop(self, *args, **kwargs):
"""
Stop the process. This method is thread-safe and can be called
redundantly without error or effect.
"""
with self.lock:
if not self.started:
return
self.started = False
self.stop_count += 1
if self.stop_count != self.start_count:
raise AssertionError('Start/stop count mismatch during stop()')
self.watcher.shutdown()
self.watcher = None
def close(self):
"""
End the process immediately without blocking.
"""
try:
self.watcher.shutdown()
except AttributeError:
pass
finally:
self.spawn_hooks = self.watcher = None
def __del__(self):
self.close()
def add_spawn_hook(self, spawn_hook):
"""
Adds a spawn hook to the current list of spawn hooks
If there is already a watcher, also calls down to that object
to add the new spawn hook as well
"""
self.spawn_hooks.append(spawn_hook)
if self.watcher:
self.watcher.add_spawn_hook(spawn_hook)
def get_pid(self):
"""
Return process id, or 0 to signify error
"""
if self.watcher:
return self.watcher.get_pid()
return None
def handle_soft_relaunch(self, *args, **kwargs):
self.watcher.handle_soft_relaunch()
def setUp(self):
proc_file_name = os.path.dirname(os.path.abspath(__file__))
proc_file_name += '/data/procedures/testingprocedure.json'
proc = json.load(open(proc_file_name, 'r'))
self.runner = ProcRunner(proc['items'])
class TestProcRunner(unittest.TestCase):
def setUp(self):
proc_file_name = os.path.dirname(os.path.abspath(__file__))
proc_file_name += '/data/procedures/testingprocedure.json'
proc = json.load(open(proc_file_name, 'r'))
self.runner = ProcRunner(proc['items'])
def test_it_pops_off_a_step_when_it_runs_it(self):
old_len = len(self.runner.proc)
assert old_len > 2
self.runner.next_step()
assert len(self.runner.proc) == (old_len - 1)
def test_assert_see_con_changes(self):
assert isinstance(self.runner.con, (FakeController, Controller))
self.runner.con.hlt(0)
# So many nested modules... I do apologize
# Gets the relay status of the hlt
assert self.runner.con.relay_status(
self.runner.con.settings.relays['hlt']) == 0
self.runner.con.hlt(1)
assert self.runner.con.relay_status(
self.runner.con.settings.relays['hlt']) == 1
self.runner.con.pid(1)
assert self.runner.con.pid_status()['pid_running']
self.runner.con.pid(0)
assert not self.runner.con.pid_status()['pid_running']
def test_it_can_run_steps(self):
items = [{
"type": "binary",
"name": "hlt",
"state": 0,
"icon": "camera",
"stateVerbage": {
"1": "open",
"0": "closed"
},
"method": "hlt",
"position": "0",
"class": "Controller",
"prettyName": "HLT Valve",
"value": 0
}]
self.runner = ProcRunner(items)
self.runner.con.hlt(1)
assert self.runner.con.relay_status(
self.runner.con.settings.relays['hlt']) == 1
self.runner.next_step()
assert self.runner.con.relay_status(
self.runner.con.settings.relays['hlt']) == 0
def test_full_proc(self):
for i in range(len(self.runner.proc)):
self.runner.next_step()
def test_find_args(self):
# This is the only relevant info
item = {'type': 'binary', 'name': 'hlt', 'value': 1}
assert self.runner.find_args(item) == item['value']
item = {'type': 'binary', 'name': 'hlt', 'value': '1'}
assert self.runner.find_args(item) == 1
assert not self.runner.find_args(item) == '1'
item = {'type': 'divert', 'name': 'rimsDivert', 'value': 1}
assert self.runner.find_args(item) == 'boil'
item = {'type': 'method', 'name': 'watch'}
assert self.runner.find_args(item) == None
item = {'type': 'method', 'name': 'slack', 'value': 790}
assert self.runner.find_args(item) == '790'
assert not self.runner.find_args(item) == 790
item = {'type': 'method', 'name': 'sleep', 'value': "14"}
assert not self.runner.find_args(item) == "14"
item = {'type': 'method', 'name': 'watch', 'value': None}
assert self.runner.find_args(item) == None
@pytest.mark.thisone
def test_find_method(self):
assert True