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e331a758c3
This is low priority, but it's nice to be consistently using the best practice pattern. Fixes: #12419.
116 lines
2.9 KiB
Python
Executable File
116 lines
2.9 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import re
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import json
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# check for the venv
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from lib import sanity_check
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sanity_check.check_venv(__file__)
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from typing import Any, Dict, List
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def debug(obj):
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# type: (Any) -> None
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print(json.dumps(obj, indent=4))
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def parse_file(fn):
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# type: (str) -> Dict[str, Any]
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with open(fn, 'r') as f:
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text = f.read()
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tags = re.findall(r'{+\s*(.*?)\s*}+', text)
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root = {} # type: Dict[str, Any]
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context = root
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stack = [] # type: List[Dict[str, Any]]
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def set_var(var, val):
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# type: (str, Any) -> None
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num_levels_up = len(re.findall(r'\.\.', var))
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if num_levels_up:
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var = var.split('/')[-1]
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stack[-1 * num_levels_up][var] = val
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else:
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context[var] = val
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for tag in tags:
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if tag.startswith('! '):
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continue
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if tag == 'else':
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continue
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if tag[0] in '#^' and ' ' not in tag:
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var = tag[1:]
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set_var(var, True)
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stack.append(context)
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continue
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if tag.startswith('#if'):
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vars = tag.split()[1:]
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for var in vars:
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set_var(var, True)
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stack.append(context)
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continue
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if tag.startswith('/if'):
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context = stack.pop()
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continue
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if tag.startswith('#with '):
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var = tag.split()[1]
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new_context = {} # type: Dict[str, Any]
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context[var] = new_context
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stack.append(context)
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context = new_context
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continue
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if tag.startswith('/with'):
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context = stack.pop()
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continue
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if tag.startswith('#unless '):
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var = tag.split()[1]
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set_var(var, True)
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stack.append(context)
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continue
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if tag.startswith('/unless'):
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context = stack.pop()
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continue
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if tag.startswith('#each '):
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var = tag.split()[1]
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new_context = {}
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context[var] = [new_context]
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stack.append(context)
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context = new_context
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continue
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if tag.startswith('/each'):
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context = stack.pop()
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continue
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if tag.startswith('/'):
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context = stack.pop()
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continue
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set_var(tag, '')
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def clean_this(obj):
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# type: (Any) -> Any
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if isinstance(obj, list):
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return [clean_this(item) for item in obj]
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if isinstance(obj, dict):
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if len(obj) == 1 and 'this' in obj:
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return clean_this(obj['this'])
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return {k: clean_this(v) for k, v in obj.items()}
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return obj
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root = clean_this(root)
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return root
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if __name__ == '__main__':
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for fn in sys.argv[1:]:
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print('===', fn)
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root = parse_file(fn)
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debug(root)
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print()
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