131 lines
4 KiB
Python
131 lines
4 KiB
Python
import logging
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from pathlib import Path
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from typing import Dict, List
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from core.config import Configuration
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from core.emulator.enumerations import ConfigDataTypes
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logger = logging.getLogger(__name__)
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manifest = None
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try:
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from emane.shell import manifest
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except ImportError:
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try:
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from emanesh import manifest
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except ImportError:
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manifest = None
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logger.debug("compatible emane python bindings not installed")
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def _type_value(config_type: str) -> ConfigDataTypes:
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"""
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Convert emane configuration type to core configuration value.
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:param config_type: emane configuration type
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:return: core config type
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"""
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config_type = config_type.upper()
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if config_type == "DOUBLE":
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config_type = "FLOAT"
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elif config_type == "INETADDR":
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config_type = "STRING"
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return ConfigDataTypes[config_type]
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def _get_possible(config_type: str, config_regex: str) -> List[str]:
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"""
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Retrieve possible config value options based on emane regexes.
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:param config_type: emane configuration type
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:param config_regex: emane configuration regex
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:return: a string listing comma delimited values, if needed, empty string otherwise
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"""
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if config_type == "bool":
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return ["On", "Off"]
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if config_type == "string" and config_regex:
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possible = config_regex[2:-2]
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return possible.split("|")
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return []
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def _get_default(config_type_name: str, config_value: List[str]) -> str:
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"""
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Convert default configuration values to one used by core.
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:param config_type_name: emane configuration type name
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:param config_value: emane configuration value list
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:return: default core config value
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"""
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config_default = ""
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if config_type_name == "bool":
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if config_value and config_value[0] == "true":
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config_default = "1"
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else:
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config_default = "0"
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elif config_value:
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config_default = config_value[0]
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if config_default is None:
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config_default = ""
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return config_default
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def parse(manifest_path: Path, defaults: Dict[str, str]) -> List[Configuration]:
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"""
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Parses a valid emane manifest file and converts the provided configuration values
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into ones used by core.
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:param manifest_path: absolute manifest file path
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:param defaults: used to override default values for configurations
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:return: list of core configuration values
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"""
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# no results when emane bindings are not present
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if not manifest:
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return []
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# load configuration file
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manifest_file = manifest.Manifest(str(manifest_path))
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manifest_configurations = manifest_file.getAllConfiguration()
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configurations = []
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for config_name in sorted(manifest_configurations):
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config_info = manifest_file.getConfigurationInfo(config_name)
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# map type to internal config data type value for core
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config_type = config_info.get("numeric")
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if not config_type:
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config_type = config_info.get("nonnumeric")
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config_type_name = config_type["type"]
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config_type_value = _type_value(config_type_name)
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# get default values, using provided defaults
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if config_name in defaults:
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config_default = defaults[config_name]
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else:
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config_value = config_info["values"]
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config_default = _get_default(config_type_name, config_value)
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# map to possible values used as options within the gui
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config_regex = config_info.get("regex")
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possible = _get_possible(config_type_name, config_regex)
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# define description and account for gui quirks
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config_descriptions = config_name
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if config_name.endswith("uri"):
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config_descriptions = f"{config_descriptions} file"
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configuration = Configuration(
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id=config_name,
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type=config_type_value,
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default=config_default,
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options=possible,
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label=config_descriptions,
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)
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configurations.append(configuration)
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return configurations
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