2025-01-05 08:37:11 +00:00
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from aides_spec.replacers.arch_replacer import ArchReplacer
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from aides_spec.replacers.base import BaseReplacer
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class ChecksumsReplacer(BaseReplacer):
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CHECKSUMS_REPLACEMENTS = {
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"b2sums": "blake2b-512",
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"sha512sums": "sha512",
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"sha384sums": "sha384",
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"sha256sums": "sha256",
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"sha224sums": "sha224",
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"sha1sums": "sha1",
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"md5sums": "md5",
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}
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def process(self):
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root_node = self.tree.root_node
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sums = self.CHECKSUMS_REPLACEMENTS.keys()
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arches = ArchReplacer.ARCH_MAPPING.keys()
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checksums = dict()
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combinations = {(s, a) for s in sums for a in arches}.union(
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{(s, None) for s in sums}
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)
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def find_replacements(node):
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if node.type == "variable_assignment":
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var_node = node.child_by_field_name("name")
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value_node = node.child_by_field_name("value")
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if var_node and value_node:
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var_name = self._node_text(var_node)
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for sum_part, arch_part in combinations:
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if (
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sum_part == var_name
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if arch_part is None
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else f"{sum_part}_{arch_part}" == var_name
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):
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checksums[(sum_part, arch_part)] = []
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for item in value_node.children:
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if item.type == "raw_string":
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element_text = self._node_text(item)
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if (
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element_text.startswith("'")
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and element_text.endswith("'")
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) or (
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element_text.startswith('"')
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and element_text.endswith('"')
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):
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# quote_char = element_text[0]
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hash = element_text[1:-1]
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else:
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hash = element_text
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chcksm = self.CHECKSUMS_REPLACEMENTS[
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sum_part
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]
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checksums[(sum_part, arch_part)].append(
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f"{chcksm}:{hash}"
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)
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self.replaces.append({"node": node, "content": ""})
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for child in node.children:
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find_replacements(child)
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find_replacements(root_node)
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result = dict()
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content = ""
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for (sum_part, arch_part), hashes in checksums.items():
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key = (
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f"checksums_{ArchReplacer.ARCH_MAPPING[arch_part]}"
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if arch_part
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else "checksums"
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)
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result.setdefault(key, []).extend(hashes)
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for key, value in result.items():
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content += f"""{key}=(
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'{"',\n '".join(value)}'
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)"""
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self.appends.append({"node": root_node, "content": content})
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print(result)
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return self._apply_replacements()
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