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92 lines
2.8 KiB
Python
92 lines
2.8 KiB
Python
# parser.py
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#
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# Copyright 2022 mirkobrombin
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundationat version 3 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import sys
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import logging
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logger = logging.getLogger("FirstSetup::Parser")
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class Parser:
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supported_types = ["command"]
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@staticmethod
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def parse(finals):
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commands = []
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warps = []
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all_vars = []
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for final in finals:
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if len(final) == 0:
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continue
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_vars = final["vars"]
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for k, v in _vars.items():
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if k in all_vars:
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logger.error(
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f"variable {k} is defined multiple times")
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sys.exit(1)
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if not v:
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continue
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all_vars.append(k)
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for _func in final["funcs"]:
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if "if" not in _func:
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logger.critical(f"Missing an 'if' operand in {_func}")
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sys.exit(1)
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if _func["if"] not in _vars and not _func["if"].startswith("warp::"):
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logger.critical(
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f"Missing a variable named '{_func['if']}' in the 'vars' section.")
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sys.exit(1)
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if _func.get("type") not in Parser.supported_types:
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logger.critical(
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f"Unsupported final type: {_func.get('type')}")
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sys.exit(1)
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if _func["if"].startswith("warp::"):
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_var = _func["if"].split("::")[1]
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warps.append({
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"vars": [_var],
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"func": [_func]
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})
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continue
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# assume True if no condition is given
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_condition = _func.get("condition", True)
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# check if the condition is met
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if _condition == _vars[_func["if"]]:
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commands += _func["commands"]
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# set-up warps if any
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for warp in warps:
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_vars = warp["vars"]
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for var in _vars:
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if var not in all_vars:
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continue
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for _func in warp["func"]:
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_if = _func["if"].split("::")[1]
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if _if in all_vars:
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commands += _func["commands"]
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return commands
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