102 lines
3.1 KiB
Python
102 lines
3.1 KiB
Python
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from albero.plugin.common import PluginBackendClass
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from albero.utils import path_assemble_hier
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from pprint import pprint
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import logging
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import copy
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log = logging.getLogger(__name__)
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class Plugin(PluginBackendClass):
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_plugin_name = "hier"
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_schema_props_new = {
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"hier": {
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"default": None,
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"optional": True,
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"oneOf": [
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{
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"type": "null",
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},
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{
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"type": "string",
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},
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{
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"additionalProperties": True,
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"properties": {
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"data": {
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"default": None,
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"anyOf": [
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{"type": "null"},
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{"type": "string"},
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{"type": "array"},
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],
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},
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"var": {
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"type": "string",
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"default": "hier_item",
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"optional": True,
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},
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"separator": {
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"type": "string",
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"default": "/",
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"optional": True,
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},
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"reversed": {
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"type": "boolean",
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"default": False,
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"optional": True,
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},
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},
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},
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],
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}
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}
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def process(self, backends: list, ctx: dict) -> (list, dict):
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new_backends = []
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for cand in backends:
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# Fetch backend data
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plugin_config = cand.get("hier", {})
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hier_data = plugin_config.get("data", None)
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if not hier_data:
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new_backends.append(cand)
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continue
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hier_var = plugin_config.get("var", "item")
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hier_sep = plugin_config.get("separator", "/")
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# Retrieve data to loop over
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if isinstance(hier_data, str):
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# If it's a string, fetch value from scope
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hier_data = cand["_run"]["scope"].get(hier_data, None)
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# Do the hierarchical replacement
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hier_data = path_assemble_hier(hier_data, hier_sep)
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if not isinstance(hier_data, list):
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log.warn("Hier module can't loop over non list data, got: {hier_data}")
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continue
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# Build result list
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ret1 = hier_data
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log.debug (f"Hier plugin will loop over: {ret1}")
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ret2 = []
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for index, item in enumerate(ret1):
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_cand = copy.deepcopy(cand)
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run = {
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"index": index,
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"hier_value": item,
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"hier_var": hier_var,
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}
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_cand["_run"]["hier"] = run
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_cand["_run"]["scope"][hier_var] = item
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ret2.append(_cand)
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new_backends.extend(ret2)
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return new_backends, ctx
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