A collection of classes and commands for automated command line scripting using Python.
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# Imports
from commonkit import parse_jinja_template, read_file
import logging
import yaml
from .base import BaseLoader
log = logging.getLogger(__name__)
# Exports
__all__ = (
"YMLLoader",
)
# Classes
class YMLLoader(BaseLoader):
"""Load commands from an YAML file."""
def load(self):
"""Load the YAML file.
:rtype: bool
"""
if not self.exists:
return False
content = self.read_file()
if content is None:
return False
try:
commands = yaml.load(content, yaml.Loader)
except yaml.YAMLError as e:
log.error("Failed to parse %s as a YAML file: %s" % (self.path, e))
return False
for command in commands:
comment = list(command.keys())[0]
tokens = list(command.values())[0]
args = list()
command_name = None
count = 0
kwargs = self.options.copy()
kwargs['comment'] = comment
kwargs['name'] = command
for key, value in tokens.items():
if key.startswith("_"):
continue
if count == 0:
command_name = key
# Explanations and screenshots aren't processed like commands, so the text need not be surrounded
# by double quotes.
if command_name in ("explain", "screenshot"):
args.append(value)
continue
try:
if value[0] == '"':
args.append(value.replace('"', ""))
else:
args = value.split(" ")
except IndexError:
pass
except TypeError:
args.append(True)
else:
_key, _value = self._get_key_value(key, value)
kwargs[_key] = _value
count += 1
self.commands.append((command_name, args, kwargs))
self.is_loaded = True
return True