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97 lines
2.2 KiB
97 lines
2.2 KiB
# Imports
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from configparser import RawConfigParser
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import os
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from superpython.utils import parse_jinja_string
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from ..constants import PATH_TO_SCRIPT_TEASE
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# Exports
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__all__ = (
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"Overlay",
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)
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# Classes
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class Overlay(object):
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"""An overlay applies commands specific to a given operating system or platform."""
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def __init__(self, name):
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self.is_loaded = False
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self._name = name
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self._path = os.path.join(PATH_TO_SCRIPT_TEASE, "data", "overlays", "%s.ini" % name)
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self._sections = dict()
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def __repr__(self):
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return "<%s %s>" % (self.__class__.__name__, self._name)
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@property
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def exists(self):
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"""Indicates whether the overlay file exists.
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:rtype: bool
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"""
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return os.path.exists(self._path)
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def get(self, section, key, **kwargs):
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"""Get the command statement for the given section and key.
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:param section: The section name.
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:type section: str
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:param key: The key within the section.
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:type key: str
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kwargs are used to parse the value of the key within the section.
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:rtype: str | None
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"""
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if not self.has(section, key):
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return None
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template = self._sections[section][key]
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return parse_jinja_string(template, kwargs)
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def has(self, section, key):
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"""Determine whether the overlay contains a given section and key.
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:param section: The section name.
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:type section: str
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:param key: The key within the section.
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:type key: str
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:rtype: bool
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"""
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if section not in self._sections:
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return False
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if key not in self._sections[section]:
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return False
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return True
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def load(self):
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"""Load the overlay.
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:rtype: bool
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"""
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if not self.exists:
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return False
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ini = RawConfigParser()
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ini.read(self._path)
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for section in ini.sections():
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self._sections[section] = dict()
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for key, value in ini.items(section):
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self._sections[section][key] = value
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self.is_loaded = True
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return True
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