def _run_path_dependencies(self):
"""Runs *Assistant.dependencies methods.
Raises:
devassistant.exceptions.DependencyException with a cause if something goes wrong
"""
deps = []
for a in self.path:
if 'dependencies' in vars(a.__class__) or isinstance(a, yaml_assistant.YamlAssistant):
deps.extend(a.dependencies(**self.parsed_args))
run_command('dependencies_from_struct', deps)
def _run_one_section(self, section, kwargs):
execute_else = False
for i, command_dict in enumerate(section):
for comm_type, comm in command_dict.items():
if comm_type.startswith('run'):
s = self._get_section_to_run(section=comm, kwargs_override=False, **kwargs)
# use copy of kwargs, so that local kwargs don't get modified
self._run_one_section(s, copy.deepcopy(kwargs))
elif comm_type == 'snippet':
snippet, section_name = self._get_snippet_and_section_name(comm, **kwargs)
section = snippet.get_run_section(section_name) if snippet else None
if section:
# push and pop snippet's files into kwargs
if '__files__' in kwargs:
kwargs['__files__'].append(snippet.get_files_section())
else:
kwargs['__files__'] = [snippet.get_files_section()]
# use copy of kwargs, so that local kwargs don't get modified
self._run_one_section(section, copy.deepcopy(kwargs))
kwargs['__files__'].pop()
else:
logger.warning('Couldn\'t find run section "{0}", in snippet {1} skipping.'.format(section_name,
comm.split('(')[0]))
elif comm_type.startswith('$'):
# intentionally pass kwargs as dict, not as keywords
self._assign_variable(comm_type, comm, kwargs)
elif comm_type.startswith('if'):
if self._evaluate(comm_type[2:].strip(), **kwargs):
# run with original kwargs, so that they might be changed for code after this if
self._run_one_section(comm, kwargs)
elif len(section) > i + 1:
next_section_dict = section[i + 1]
next_section_comm_type, next_section_comm = list(next_section_dict.items())[0]
if next_section_comm_type == 'else':
execute_else = True
elif comm_type == 'else':
# else on its own means error, otherwise execute it
if not list(section[i - 1].items())[0][0].startswith('if'):
logger.warning('Yaml error: encountered "else" with no associated "if", skipping.')
elif execute_else:
execute_else = False
# run with original kwargs, so that they might be changed for code after this if
self._run_one_section(comm, kwargs)
else:
files = kwargs['__files__'][-1] if kwargs.get('__files__', None) else self._files
run_command(comm_type, CommandFormatter.format(comm, self.template_dir, files, **kwargs), **kwargs)
def proper_kwargs(self, **kwargs):
"""Returns kwargs possibly updated with values from .devassistant
file, when appropriate."""
if self.role == 'modifier':
try:
kwargs.update(run_command('dda_r', '.', **kwargs))
except BaseException as e:
raise exceptions.RunException('Couldn\'t find properly formatted .devassistant in current dir: {0}'.format(e))
return kwargs
def proper_kwargs(self, **kwargs):
"""Returns kwargs possibly updated with values from .devassistant
file, when appropriate."""
if self.role == 'modifier':
try:
kwargs.update(run_command('dda_r', '.', **kwargs))
except BaseException as e:
raise exceptions.RunException(
'Couldn\'t find properly formatted .devassistant in current dir: {0}'
.format(e))
return kwargs
def _evaluate(self, expression, **kwargs):
result = True
invert_result = False
expr = expression.strip()
if expr.startswith('not '):
invert_result = True
expr = expr[4:]
if expr.startswith('$'):
var_name = self._get_var_name(expr)
result = kwargs.get(var_name, False)
elif expr.startswith('defined '):
result = self._get_var_name(expr[8:]) in kwargs
else:
try:
result = run_command('cl', CommandFormatter.format(expr, self.template_dir, self._files, **kwargs), **kwargs)
except exceptions.RunException:
result = False
return result if not invert_result else not result
def _evaluate(self, expression, **kwargs):
result = True
invert_result = False
expr = expression.strip()
if expr.startswith('not '):
invert_result = True
expr = expr[4:]
if expr.startswith('$'):
var_name = self._get_var_name(expr)
result = kwargs.get(var_name, False)
elif expr.startswith('defined '):
result = self._get_var_name(expr[8:]) in kwargs
else:
try:
result = run_command(
'cl',
CommandFormatter.format(expr, self.template_dir,
self._files, **kwargs), **kwargs)
except exceptions.RunException:
result = False
return result if not invert_result else not result
def _run_one_section(self, section, kwargs):
execute_else = False
for i, command_dict in enumerate(section):
for comm_type, comm in command_dict.items():
if comm_type.startswith('run'):
s = self._get_section_to_run(section=comm,
kwargs_override=False,
**kwargs)
# use copy of kwargs, so that local kwargs don't get modified
self._run_one_section(s, copy.deepcopy(kwargs))
elif comm_type == 'snippet':
snippet, section_name = self._get_snippet_and_section_name(
comm, **kwargs)
section = snippet.get_run_section(
section_name) if snippet else None
if section:
# push and pop snippet's files into kwargs
if '__files__' in kwargs:
kwargs['__files__'].append(
snippet.get_files_section())
else:
kwargs['__files__'] = [snippet.get_files_section()]
# use copy of kwargs, so that local kwargs don't get modified
self._run_one_section(section, copy.deepcopy(kwargs))
kwargs['__files__'].pop()
else:
logger.warning(
'Couldn\'t find run section "{0}", in snippet {1} skipping.'
.format(section_name,
comm.split('(')[0]))
elif comm_type.startswith('$'):
# intentionally pass kwargs as dict, not as keywords
self._assign_variable(comm_type, comm, kwargs)
elif comm_type.startswith('if'):
if self._evaluate(comm_type[2:].strip(), **kwargs):
# run with original kwargs, so that they might be changed for code after this if
self._run_one_section(comm, kwargs)
elif len(section) > i + 1:
next_section_dict = section[i + 1]
next_section_comm_type, next_section_comm = list(
next_section_dict.items())[0]
if next_section_comm_type == 'else':
execute_else = True
elif comm_type == 'else':
# else on its own means error, otherwise execute it
if not list(section[i - 1].items())[0][0].startswith('if'):
logger.warning(
'Yaml error: encountered "else" with no associated "if", skipping.'
)
elif execute_else:
execute_else = False
# run with original kwargs, so that they might be changed for code after this if
self._run_one_section(comm, kwargs)
else:
files = kwargs['__files__'][-1] if kwargs.get(
'__files__', None) else self._files
run_command(
comm_type,
CommandFormatter.format(comm, self.template_dir, files,
**kwargs), **kwargs)
