shlax/shlax/actions/base.py
2020-02-15 19:47:24 +01:00

179 lines
5.0 KiB
Python

import inspect
import sys
from ..output import Output
from ..exceptions import WrongResult
class Action:
parent = None
contextualize = []
regexps = {
r'([\w]+):': '{cyan}\\1{gray}:{reset}',
r'(^|\n)( *)\- ': '\\1\\2{red}-{reset} ',
r'([^ =]+)=': '{blue}\\1{red}={reset} ',
r'=': '{blue}={reset} ',
}
options = dict(
debug=dict(
alias='d',
default='visit',
help='''
Display debug output. Supports values (combinable): cmd,out,visit
'''.strip(),
immediate=True,
),
)
def __init__(self, *args, **kwargs):
self.args = args
self.kwargs = kwargs
@property
def context(self):
if not self.parent:
if '_context' not in self.__dict__:
self._context = dict()
return self._context
else:
return self.parent.context
def actions_filter(self, results, f=None, **filters):
if f:
def ff(a):
try:
return f(a)
except:
return False
results = [*filter(ff, results)]
for k, v in filters.items():
if k == 'type':
results = [*filter(
lambda s: type(s).__name__.lower() == str(v).lower(),
results
)]
else:
results = [*filter(
lambda s: getattr(s, k, None) == v,
results
)]
return results
def sibblings(self, f=None, **filters):
if not self.parent:
return []
return self.actions_filter(
[a for a in self.parent.actions if a is not self],
f, **filters
)
def parents(self, f=None, **filters):
if self.parent:
return self.actions_filter(
[self.parent] + self.parent.parents(),
f, **filters
)
return []
def children(self, f=None, **filters):
children = []
def add(parent):
if parent != self:
children.append(parent)
if 'actions' not in parent.__dict__:
return
for action in parent.actions:
add(action)
add(self)
return self.actions_filter(children, f, **filters)
def __getattr__(self, name):
for a in self.parents() + self.sibblings() + self.children():
if name in a.contextualize:
return getattr(a, name)
raise AttributeError(f'{type(self).__name__} has no {name}')
async def call(self, *args, **kwargs):
print(f'{self}.call(*args, **kwargs) not implemented')
sys.exit(1)
def output_factory(self, *args, **kwargs):
kwargs.setdefault('regexps', self.regexps)
return Output(*args, **kwargs)
async def __call__(self, *args, **kwargs):
self.output = self.output_factory(*args, **kwargs)
self.output_start()
self.status = 'running'
try:
result = await self.call(*args, **kwargs)
except Exception as e:
self.output_fail(e)
self.status = 'fail'
proc = getattr(e, 'proc', None)
if proc:
result = proc.rc
else:
raise
else:
self.output_success()
if self.status == 'running':
self.status = 'success'
finally:
clean = getattr(self, 'clean', None)
if clean:
await clean(*args, **kwargs)
return result
def output_start(self):
if self.kwargs.get('quiet', False):
return
self.output.start(self)
def output_fail(self, exception=None):
if self.kwargs.get('quiet', False):
return
self.output.fail(self, exception)
def output_success(self):
if self.kwargs.get('quiet', False):
return
self.output.success(self)
def __repr__(self):
return ' '.join([type(self).__name__] + list(self.args) + [
f'{k}={v}'
for k, v in self.kwargs.items()
])
def colorized(self):
return ' '.join([
self.output.colors['pink1']
+ type(self).__name__
+ self.output.colors['yellow']
] + list(self.args) + [
f'{self.output.colors["blue"]}{k}{self.output.colors["gray"]}={self.output.colors["green2"]}{v}'
for k, v in self.kwargs_output().items()
] + [self.output.colors['reset']])
def callable(self):
from ..targets import Localhost
async def cb(*a, **k):
return await Localhost(self, quiet=True)(*a, **k)
return cb
def kwargs_output(self):
return self.kwargs
def action(self, action, *args, **kwargs):
p = action(*args, **kwargs)
for parent in self.parents():
if hasattr(parent, 'actions'):
break
p.parent = parent
return p