258 lines
10 KiB
Python
258 lines
10 KiB
Python
from Convention.Convention.Runtime.GlobalConfig import *
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from Convention.Convention.Runtime.File import *
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import argparse
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from pydantic import BaseModel
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import hashlib
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import json
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class HistoryBlock(BaseModel):
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mode: Literal["add","delete"] = "add"
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begin: int = 0
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end: int = 0
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content: str = ""
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class HistoryObject(BaseModel):
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hashcode: str = ""
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blocks: List[HistoryBlock] = []
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class HistoryCommit:
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def __init__(self, object_chain:List[HistoryObject]) -> None:
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self.content = ""
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for item in object_chain:
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for block in item.blocks:
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if block.mode == "add":
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self.content = self.content[:block.begin] + block.content + self.content[block.end:]
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elif block.mode == "delete":
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self.content = self.content[:block.begin] + self.content[block.end:]
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else:
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raise ValueError(f"Invalid block mode: {block.mode}")
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def __str__(self) -> str:
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return self.content
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class HistoryModel(BaseModel):
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# child node path : parent node path
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obj_paths: Dict[str,Optional[str]] = {}
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# branch name : branch head commit
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branches: Dict[str,str] = {}
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def ReadBranchHeadCommit(self, branch:str, parent_path:ToolFile) -> HistoryCommit:
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if branch not in self.branches:
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raise ValueError(f"Branch {branch} not found")
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# 从分支中读入链中(倒序的)
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object_chain:List[HistoryObject] = []
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current_commit_file_path = self.branches[branch]
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while current_commit_file_path is not None:
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current_commit_file = parent_path|current_commit_file_path
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node = HistoryObject.model_validate_json(current_commit_file.LoadAsText())
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object_chain.append(node)
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current_commit_file_path = self.obj_paths[current_commit_file_path]
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# 反转链
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object_chain.reverse()
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# 构建提交对象
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result = HistoryCommit(object_chain)
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return result
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def break_down_path(path:ToolFile|str) -> ToolFile:
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temp = f"{path}"#[:-len(path.GetExtension())]
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temp = temp.replace("\\\\",PlatformIndicator.GetFileSeparator())
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temp = temp.replace("\\",PlatformIndicator.GetFileSeparator())
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temp = temp.split(':')
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if len(temp) == 1:
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return ToolFile(temp[0])
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else:
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return ToolFile(temp[0])|temp[1]
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def levenshtein_distance_with_operations(s1:str, s2:str) -> Tuple[int, List[Tuple[str, int, int, str]]]:
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"""
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计算两个字符串的编辑距离和操作序列
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操作格式: (操作类型, 开始位置, 结束位置, 内容)
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位置基于源字符串s1
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"""
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m, n = len(s1), len(s2)
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# 使用简单的LCS算法来找到最长公共子序列
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# 然后基于LCS生成操作序列
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lcs = [[0] * (n + 1) for _ in range(m + 1)]
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# 构建LCS表
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for i in range(1, m + 1):
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for j in range(1, n + 1):
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if s1[i - 1] == s2[j - 1]:
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lcs[i][j] = lcs[i - 1][j - 1] + 1
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else:
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lcs[i][j] = max(lcs[i - 1][j], lcs[i][j - 1])
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# 基于LCS生成操作序列
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operations = []
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i, j = m, n
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while i > 0 or j > 0:
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if i > 0 and j > 0 and s1[i - 1] == s2[j - 1]:
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# 字符匹配，不需要操作
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i -= 1
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j -= 1
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elif j > 0 and (i == 0 or lcs[i][j - 1] >= lcs[i - 1][j]):
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# 需要插入s2[j-1]
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# 找到插入位置（在s1中的位置）
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insert_pos = i
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operations.insert(0, ("add", insert_pos, insert_pos, s2[j - 1]))
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j -= 1
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else:
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# 需要删除s1[i-1]
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operations.insert(0, ("delete", i - 1, i, s1[i - 1]))
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i -= 1
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# 合并连续的操作
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merged_operations = []
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for op in operations:
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if merged_operations and merged_operations[-1][0] == op[0]:
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last_op = merged_operations[-1]
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if op[0] == "add" and last_op[2] == op[1]:
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# 合并连续的添加操作
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merged_operations[-1] = (op[0], last_op[1], op[2], last_op[3] + op[3])
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elif op[0] == "delete" and last_op[2] == op[1]:
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# 合并连续的删除操作
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merged_operations[-1] = (op[0], last_op[1], op[2], last_op[3] + op[3])
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else:
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merged_operations.append(op)
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else:
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merged_operations.append(op)
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# 计算编辑距离
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edit_distance = m + n - 2 * lcs[m][n]
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return edit_distance, merged_operations
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class Cli:
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def print_out(self) -> None:
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print(self.prints, ConsoleFrontColor.RESET)
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def print(self, *args) -> None:
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self.prints += "".join(args)
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def __init__(self, asset:str, input:str, branch:str,
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*,
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history_file:Optional[str]=None
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) -> None:
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self.config = GlobalConfig(asset,True)
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self.file = ToolFile(input)
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self.branch = branch
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self.historys_file = self.config.GetFile(history_file if history_file is not None else break_down_path(self.file.GetAbsPath())|"history", False)
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if self.historys_file.Exists():
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self.historys = HistoryModel.model_validate_json(self.historys_file.LoadAsText())
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else:
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self.historys = HistoryModel()
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self.prints: str = ""
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def compare(self) -> None:
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if self.branch not in self.historys.branches:
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self.config.Log("Error", f"Branch {self.branch} not found")
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return
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head_commit = str(self.historys.ReadBranchHeadCommit(self.branch, self.historys_file.GetDirToolFile()))
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current_content = self.file.LoadAsText()
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step, operations = levenshtein_distance_with_operations(head_commit, current_content)
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if step == 0:
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self.print(f"{ConsoleFrontColor.LIGHTMAGENTA_EX}No changes")
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return
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index = 0
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for operation in operations:
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# 显示操作前的不变内容
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sp = head_commit[index:operation[1]].split("\n")
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if len(sp) > 3:
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self.print("\n".join(sp[-3:]))
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else:
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self.print("\n".join(sp))
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if operation[0] == "add":
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self.print(f"{ConsoleFrontColor.GREEN}{operation[3]}{ConsoleFrontColor.RESET}")
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index = operation[2]
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elif operation[0] == "delete":
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self.print(f"{ConsoleFrontColor.RED}{operation[3]}{ConsoleFrontColor.RESET}")
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index = operation[2]
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else:
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raise ValueError(f"Invalid operation: {operation}")
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sp = head_commit[index:].split("\n")
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if len(sp) > 3:
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self.print("\n".join(sp[:3]))
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else:
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self.print("\n".join(sp))
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self.print(f"\n{ConsoleFrontColor.LIGHTMAGENTA_EX}operations:\n")
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self.print(f"{'\n'.join([f"{ConsoleFrontColor.GREEN if item[0] == "add" else ConsoleFrontColor.RED}{item[0]}{ConsoleFrontColor.RESET} \"{item[3]}\" on [{item[1]},{item[2]}]" for item in operations])}")
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def save(self) -> None:
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content = self.file.LoadAsText()
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root = HistoryObject(hashcode=hashlib.md5(content.encode()).hexdigest())
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if self.branch not in self.historys.branches:
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# 创建分支并为其创建新的树
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commit_name = f"{len(self.historys.obj_paths)}"
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self.historys.obj_paths[commit_name] = None
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self.historys.branches[self.branch] = commit_name
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self.historys_file.MustExistsPath()
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root.blocks=[HistoryBlock(mode="add",begin=0,end=len(content),content=content)]
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else:
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head_commit = str(self.historys.ReadBranchHeadCommit(self.branch, self.historys_file.GetDirToolFile()))
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step, operations = levenshtein_distance_with_operations(head_commit, content)
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for operation in operations:
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if operation[0] == "add":
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root.blocks.append(HistoryBlock(mode="add",begin=operation[1],end=operation[2],content=operation[3]))
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elif operation[0] == "delete":
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root.blocks.append(HistoryBlock(mode="delete",begin=operation[1],end=operation[2],content=operation[3]))
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else:
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raise ValueError(f"Invalid operation: {operation}")
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# 创建树节点, 并链接
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self.historys.obj_paths[f"{len(self.historys.obj_paths)}"] = self.historys.branches[self.branch]
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self.historys.branches[self.branch] = f"{len(self.historys.obj_paths)}"
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with open(f"{self.historys_file.GetDirToolFile()|self.historys.branches[self.branch]}", "w") as f:
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f.write(root.model_dump_json())
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with open(self.historys_file.GetFullPath(), "w") as f:
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f.write(self.historys.model_dump_json())
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def run() -> int:
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parser = argparse.ArgumentParser()
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# 目标文件
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parser.add_argument("input", type=str, help="输入文件")
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parser.add_argument("--history", type=str, help="手动指定目标历史文件", default=None)
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# 可选的项目源
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parser.add_argument("-a", "--asset", type=str, default=ProjectConfig.ProjectConfigFileFocus, help="配置文件目录")
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# 分支
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parser.add_argument("-b", "--branch", type=str, default="main", help="分支")
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# 模式互斥组
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mode_group = parser.add_mutually_exclusive_group(required=True)
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mode_group.add_argument("-c", "--compare", action="store_true", help="比较当前文件的差异")
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mode_group.add_argument("-s", "--save", action="store_true", help="保存当前文件的差异")
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args = parser.parse_args()
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if "help" in args:
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parser.print_help()
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return 0
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cli = Cli(args.asset, args.input, args.branch,
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history_file=args.history)
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# 比较
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if args.compare:
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try:
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cli.compare()
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finally:
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cli.print_out()
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return 0
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# 保存
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elif args.save:
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try:
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cli.save()
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finally:
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cli.print_out()
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return 0
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raise NotImplementedError("Not implemented mode")
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if __name__ == "__main__":
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run() |