163 lines
5.9 KiB
Python
163 lines
5.9 KiB
Python
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import copy
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from pathlib import Path
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from albero.utils import render_template
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from albero.plugin.common import PluginBackendClass
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from pprint import pprint
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import logging
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import anyconfig
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import textwrap
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class Plugin(PluginBackendClass):
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_plugin_name = "loop"
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_plugin_help = """
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This module helps to loop over a backend
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""",
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_schema_props_new = {
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"loop": {
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"description": _plugin_help,
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"default": None,
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"optional": True,
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"examples": [
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{
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"value": "site/{{ loop_env }}/config/{{ os }}",
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"loop": {
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"var": "loop_env",
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"data": [
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"dev",
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"preprod",
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"prod",
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],
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},
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"comment": "The module will loop three time over the value, and the variable `loop_env` will consecutely have `dev`, `preprod` and `prod` as value",
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},
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{
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"value": "site/{{ loop_env2 }}/config/{{ os }}",
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"loop": {
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"var": "loop_env2",
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"data": "my_scope_var",
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},
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"comment": "Like the previous example, but it will fetch the list from any scope variables",
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},
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{
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"loop": None,
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"comment": "Disable this module, no loop will operate",
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},
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# "loop": {
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# "var": "my_var",
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# },
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# },
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# "loop": {
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# "var": "my_var",
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# },
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# "example": "",
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# },
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# "loop": {
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# "var": "my_var",
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# },
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# "example": "",
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# },
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],
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"oneOf": [
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{
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"type": "object",
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"additionalProperties": False,
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"default": {},
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"title": "Complete config",
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"description": "",
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"properties": {
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"data": {
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"default": None,
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"optional": False,
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"title": "Module configuration",
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"description": "Data list used for iterations. It only accept lists as type. It disable the module if set to `null`.",
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"anyOf":[
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{
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"type": "null",
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"title": "Disable Module",
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"description": "Disable the module",
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},
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{
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"type": "string",
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"title": "Scope variable",
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"description": "Will look the value of the loop list from the scope. TOFIX: What if variablle does not exists?",
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},
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{
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"type": "array",
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"title": "Hardcoded list",
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"description": "Simply enter the list of value to be iterated to.",
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},
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]
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},
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"var": {
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"type": "string",
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"default": "loop_item",
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"optional": True,
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"title": "Module configuration",
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"description": "Name of the variable to be used in templating language",
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},
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},
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},
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{
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"type": "string",
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"title": "Short config",
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"description": "If set to string, it will define the name of the variable to lookup into the scope.",
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},
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{
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"type": "null",
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"title": "Disable",
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"description": "If set to null, it disable the module",
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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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cand = dict(cand)
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# Init
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loop_config = cand.get("loop", {})
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loop_data = loop_config.get("data", None)
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if not loop_data:
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new_backends.append(cand)
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continue
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# Retrieve config data
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loop_var = loop_config.get("var", "item")
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if isinstance(loop_data, str):
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loop_data = cand['_run']['scope'].get(loop_data, None)
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assert (isinstance(loop_data, list)), f"Got: {loop_data}"
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# Build a new list
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ret = []
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for idx, item in enumerate(loop_data):
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_cand = copy.deepcopy(cand)
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run = {
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"loop_index": idx,
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"loop_value": item,
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"loop_var": loop_var,
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}
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_cand['_run']['loop'] = run
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_cand['_run']['scope'][loop_var] = item
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#_cand.scope[loop_var] = item
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ret.append(_cand)
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new_backends.extend(ret)
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return new_backends, ctx
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