140 lines
5.6 KiB
Python
140 lines
5.6 KiB
Python
from collections import Counter
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from decimal import Decimal
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from re import split
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from sys import stderr
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from xml.etree import ElementTree
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from os.path import exists
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class SimulTemplateEntity:
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def __init__(self, vfs_root, logger):
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self.vfs_root = vfs_root
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self.logger = logger
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def get_file(self, base_path, vfs_path, mod):
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default_path = self.vfs_root / mod / base_path
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file = (default_path/ "special" / "filter" / vfs_path).with_suffix('.xml')
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if not exists(file):
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file = (default_path / "mixins" / vfs_path).with_suffix('.xml')
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if not exists(file):
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file = (default_path / vfs_path).with_suffix('.xml')
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return file
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def get_main_mod(self, base_path, vfs_path, mods):
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for mod in mods:
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fp = self.get_file(base_path, vfs_path, mod)
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if fp.exists():
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main_mod = mod
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break
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else:
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# default to first mod
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# it should then not exist
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# it will raise an exception when trying to read it
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main_mod = mods[0]
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return main_mod
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def apply_layer(self, base_tag, tag):
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"""
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apply tag layer to base_tag
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"""
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if tag.get('datatype') == 'tokens':
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base_tokens = split(r'\s+', base_tag.text or '')
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tokens = split(r'\s+', tag.text or '')
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final_tokens = base_tokens.copy()
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for token in tokens:
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if token.startswith('-'):
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token_to_remove = token[1:]
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if token_to_remove in final_tokens:
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final_tokens.remove(token_to_remove)
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elif token not in final_tokens:
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final_tokens.append(token)
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base_tag.text = ' '.join(final_tokens)
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base_tag.set("datatype", "tokens")
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elif tag.get('op'):
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op = tag.get('op')
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op1 = Decimal(base_tag.text or '0')
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op2 = Decimal(tag.text or '0')
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# Try converting to integers if possible, to pass validation.
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if op == 'add':
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base_tag.text = str(int(op1 + op2) if int(op1 + op2) == op1 + op2 else op1 + op2)
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elif op == 'mul':
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base_tag.text = str(int(op1 * op2) if int(op1 * op2) == op1 * op2 else op1 * op2)
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elif op == 'mul_round':
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base_tag.text = str(round(op1 * op2))
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else:
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raise ValueError(f"Invalid operator '{op}'")
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else:
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base_tag.text = tag.text
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for prop in tag.attrib:
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if prop not in ('disable', 'replace', 'parent', 'merge'):
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base_tag.set(prop, tag.get(prop))
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for child in tag:
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base_child = base_tag.find(child.tag)
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if 'disable' in child.attrib:
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if base_child is not None:
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base_tag.remove(base_child)
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elif ('merge' not in child.attrib) or (base_child is not None):
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if 'replace' in child.attrib and base_child is not None:
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base_tag.remove(base_child)
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base_child = None
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if base_child is None:
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base_child = ElementTree.Element(child.tag)
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base_tag.append(base_child)
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self.apply_layer(base_child, child)
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if 'replace' in base_child.attrib:
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del base_child.attrib['replace']
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def load_inherited(self, base_path, vfs_path, mods):
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entity = self._load_inherited(base_path, vfs_path, mods)
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entity[:] = sorted(entity[:], key=lambda x: x.tag)
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return entity
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def _load_inherited(self, base_path, vfs_path, mods, base = None):
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"""
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vfs_path should be relative to base_path in a mod
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"""
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if '|' in vfs_path:
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paths = vfs_path.split("|", 1)
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base = self._load_inherited(base_path, paths[1], mods, base);
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base = self._load_inherited(base_path, paths[0], mods, base);
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return base
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main_mod = self.get_main_mod(base_path, vfs_path, mods)
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fp = self.get_file(base_path, vfs_path, main_mod)
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layer = ElementTree.parse(fp).getroot()
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for el in layer.iter():
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children = [x.tag for x in el]
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duplicates = [x for x, c in Counter(children).items() if c > 1]
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if duplicates:
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for dup in duplicates:
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self.logger.warning(f"Duplicate child node '{dup}' in tag {el.tag} of {fp}")
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if layer.get('parent'):
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parent = self._load_inherited(base_path, layer.get('parent'), mods, base)
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self.apply_layer(parent, layer)
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return parent
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else:
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if not base:
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return layer
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else:
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self.apply_layer(base, layer)
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return base
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def find_files(vfs_root, mods, vfs_path, *ext_list):
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"""
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returns a list of 2-size tuple with:
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- Path relative to the mod base
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- full Path
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"""
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full_exts = ['.' + ext for ext in ext_list]
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def find_recursive(dp, base):
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"""(relative Path, full Path) generator"""
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if dp.is_dir():
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if dp.name != '.svn' and dp.name != '.git' and not dp.name.endswith('~'):
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for fp in dp.iterdir():
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yield from find_recursive(fp, base)
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elif dp.suffix in full_exts:
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relative_file_path = dp.relative_to(base)
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yield (relative_file_path, dp.resolve())
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return [(rp, fp) for mod in mods for (rp, fp) in find_recursive(vfs_root / mod / vfs_path, vfs_root / mod)]
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