new pipeline

main.py

-from src.tree import gen_tree
+from src.tree import TreeWalker
 
 if __name__ == '__main__':
-    gen_tree('data')
+    walker = TreeWalker("data", "opencv", "OpenCV")
+    walker.walk()

src/tree.py

+import logging
 from genericpath import exists
 import json
 import os
@@ -7,6 +8,8 @@ import re
 
 id_set = set()
 
+logger = logging.getLogger(__name__)
+
 
 def load_json(p):
     with open(p, 'r') as f:
@@ -19,13 +22,23 @@ def dump_json(p, j, exist_ok=False, override=False):
             if not override:
                 return
         else:
-            print(f"{p} already exist")
+            logger.error(f"{p} already exist")
             sys.exit(0)
 
     with open(p, 'w+') as f:
         f.write(json.dumps(j, indent=2, ensure_ascii=False))
 
 
+def ensure_config(path):
+    config_path = os.path.join(path, "config.json")
+    if not os.path.exists(config_path):
+        node = {"keywords": []}
+        dump_json(config_path, node, exist_ok=True, override=False)
+        return node
+    else:
+        return load_json(config_path)
+
+
 def parse_no_name(d):
     p = r'(\d+)\.(.*)'
     m = re.search(p, d)
@@ -53,148 +66,211 @@ def check_export(base, cfg):
     return flag
 
 
-def gen_tree(data_path):
-    root = {}
-
-    def gen_node_id():
-        # return ''.join(str(uuid.uuid5(uuid.NAMESPACE_URL, 'skill_tree')).split('-'))
-        return "opencv-" + uuid.uuid4().hex
-
-    def list_dir(p):
-        v = os.listdir(p)
-        v.sort()
-        for no_name in v:
-            no_dir = os.path.join(p, no_name)
-            if os.path.isdir(no_dir):
-                yield no_dir, no_name
-
-    def ensure_id_helper(node):
-        flag = False
-
-        if (node.get('node_id') is None) or node.get('node_id') in id_set:
-            node['node_id'] = gen_node_id()
-            flag = True
-
-        id_set.add(node['node_id'])
-
-        if 'children' in node:
-            for c in node["children"]:
-                flag = flag or ensure_id_helper(list(c.values())[0])
-
-        return flag
-
-    def ensure_node_id(cfg):
-        return ensure_id_helper(cfg)
+def gen_node_id():
+    return "oceanbase-" + uuid.uuid4().hex
 
-    def ensure_title_helper(node, cfg_path, title=""):
-        flag = False
 
-        if node.get('title') is None:
-            if cfg_path:
-                node['title'] = re.sub(
-                    "^[0-9]{1,3}\.", "", os.path.split(os.path.dirname(cfg_path))[-1])
-            else:
-                node['title'] = title
-            flag = True
-
-        if 'children' in node:
-            for c in node["children"]:
-                flag = flag or ensure_title_helper(
-                    list(c.values())[0], None, list(c.keys())[0])
-
-        return flag
+class TreeWalker:
+    def __init__(self, root, tree_name, title=None):
+        self.name = tree_name
+        self.root = root
+        self.title = tree_name if title is None else title
+        self.tree = {}
 
-    def ensure_title(cfg, cfg_path):
-        return ensure_title_helper(cfg, cfg_path)
+    def walk(self):
+        root = self.load_root()
+        root_node = {
+            "node_id": root["node_id"],
+            "keywords": root["keywords"],
+            "children": []
+        }
+        self.tree[root["tree_name"]] = root_node
+        self.load_levels(root_node)
+        self.load_chapters(self.root, root_node)
+        for index, level in enumerate(root_node["children"]):
+            level_title = list(level.keys())[0]
+            level_node = list(level.values())[0]
+            level_path = os.path.join(self.root, f"{index+1}.{level_title}")
+            self.load_chapters(level_path, level_node)
+            for index, chapter in enumerate(level_node["children"]):
+                chapter_title = list(chapter.keys())[0]
+                chapter_node = list(chapter.values())[0]
+                chapter_path = os.path.join(level_path, f"{index+1}.{chapter_title}")
+                self.load_sections(chapter_path, chapter_node)
+                for index, section_node in enumerate(chapter_node["children"]):
+                    section_title = list(section_node.keys())[0]
+                    full_path = os.path.join(chapter_path, f"{index}.{section_title}")
+                    if os.path.isdir(full_path):
+                        self.ensure_exercises(full_path)
+
+        tree_path = os.path.join(self.root, "tree.json")
+        dump_json(tree_path, self.tree, exist_ok=True, override=True)
+        return self.tree
+
+    def load_levels(self, root_node):
+        levels = []
+        for level in os.listdir(self.root):
+            if not os.path.isdir(level):
+                continue
+            level_path = os.path.join(self.root, level)
+            num, config = self.load_level_node(level_path)
+            levels.append((num, config))
+        levels.sort(key=lambda item: item[0])
+        root_node["children"] = [item[1] for item in levels]
+        return root_node
+
+    def load_level_node(self, level_path):
+        config = self.ensure_level_config(level_path)
+        num, name = self.extract_node_env(level_path)
+
+        result = {
+            name: {
+                "node_id": config["node_id"],
+                "keywords": config["keywords"],
+                "children": [],
+            }
+        }
 
-    def make_node(name, node_id, keywords, children=None):
-        node = {}
-        node_children = children or []
-        node[name] = {
-            'node_id': node_id,
-            'keywords': keywords,
-            'children': node_children
+        return num, result
+
+    def load_chapters(self, base, level_node):
+        chapters = []
+        for name in os.listdir(base):
+            full_name = os.path.join(base, name)
+            if os.path.isdir(full_name):
+                num, chapter = self.load_chapter_node(full_name)
+                chapters.append((num, chapter))
+
+        chapters.sort(key=lambda item: item[0])
+        level_node["children"] = [item[1] for item in chapters]
+        return level_node
+
+    def load_sections(self, base, chapter_node):
+        sections = []
+        for name in os.listdir(base):
+            full_name = os.path.join(base, name)
+            if os.path.isdir(full_name):
+                num, section = self.load_section_node(full_name)
+                sections.append((num, section))
+
+        sections.sort(key=lambda item: item[0])
+        chapter_node["children"] = [item[1] for item in sections]
+        return chapter_node
+
+    def ensure_chapters(self):
+        for subdir in os.listdir(self.root):
+            self.ensure_level_config(subdir)
+
+    def load_root(self):
+        config_path = os.path.join(self.root, "config.json")
+        if not os.path.exists(config_path):
+            config = {
+                "tree_name": self.name,
+                "keywords": [],
+                "node_id": self.gen_node_id(),
+            }
+            dump_json(config_path, config, exist_ok=True, override=True)
+        else:
+            config = load_json(config_path)
+            flag, result = self.ensure_node_id(config)
+            if flag:
+                dump_json(config_path, result, exist_ok=True, override=True)
+
+        return config
+
+    def ensure_level_config(self, path):
+        config_path = os.path.join(path, "config.json")
+        if not os.path.exists(config_path):
+            config = {
+                "node_id": self.gen_node_id()
+            }
+            dump_json(path, config, exist_ok=True, override=True)
+        else:
+            config = load_json(config_path)
+            flag, result = self.ensure_node_id(config)
+            if flag:
+                dump_json(path, config, exist_ok=True, override=True)
+        return config
+
+    def ensure_chapter_config(self, path):
+        config_path = os.path.join(path, "config.json")
+        if not os.path.exists(config_path):
+            config = {
+                "node_id": self.gen_node_id(),
+                "keywords": []
+            }
+            dump_json(path, config, exist_ok=True, override=True)
+        else:
+            config = load_json(config_path)
+            flag, result = self.ensure_node_id(config)
+            if flag:
+                dump_json(path, config, exist_ok=True, override=True)
+        return config
+
+    def ensure_section_config(self, path):
+        config_path = os.path.join(path, "config.json")
+        if not os.path.exists(config_path):
+            config = {
+                "node_id": self.gen_node_id(),
+                "keywords": [],
+                "children":[],
+                "export":[]
+            }
+            dump_json(config_path, config, exist_ok=True, override=True)
+        else:
+            config = load_json(config_path)
+            flag, result = self.ensure_node_id(config)
+            if flag:
+                dump_json(config_path, config, exist_ok=True, override=True)
+        return config
+
+    def ensure_node_id(self, config):
+        if "node_id" not in config:
+            config["node_id"] = self.gen_node_id()
+            return True, config
+        else:
+            return False, config
+
+    def gen_node_id(self):
+        return f"{self.name}-{uuid.uuid4().hex}"
+
+    def extract_node_env(self, path):
+        _, dir = os.path.split(path)
+        number, title = dir.split(".", 1)
+        return int(number), title
+
+    def load_chapter_node(self, full_name):
+        config = self.ensure_chapter_config(full_name)
+        num, name = self.extract_node_env(full_name)
+        result = {
+            name: {
+                "node_id": config["node_id"],
+                "keywords": config["keywords"],
+                "children": [],
+            }
+        }
+        return num, result
+
+    def load_section_node(self, full_name):
+        config = self.ensure_section_config(full_name)
+        num, name = self.extract_node_env(full_name)
+        result = {
+            name: {
+                "node_id": config["node_id"],
+                "keywords": config["keywords"],
+                "children": config.get("children", [])
+            }
         }
-        return node, node_children
-
-    # 根节点
-    cfg_path = os.path.join(data_path, 'config.json')
-    cfg = load_json(cfg_path)
-    if ensure_node_id(cfg):
-        dump_json(cfg_path, cfg, exist_ok=True, override=True)
-
-    if ensure_title(cfg, cfg_path):
-        cfg["title"] = "C"
-        dump_json(cfg_path, cfg, exist_ok=True, override=True)
-    tree_node = {
-        "node_id": cfg['node_id'],
-        "keywords": cfg['keywords'],
-        "children": []
-    }
-    root[cfg['tree_name']] = tree_node
-
-    # 难度节点
-    for level_no_dir, level_no_name in list_dir(data_path):
-        print(level_no_dir)
-        no, level_name = parse_no_name(level_no_name)
-        level_path = os.path.join(level_no_dir, 'config.json')
-        level_cfg = load_json(level_path)
-        if ensure_node_id(level_cfg) or check_export(level_no_dir, level_cfg):
-            dump_json(level_path, level_cfg, exist_ok=True, override=True)
-        if ensure_title(level_cfg, level_path):
-            dump_json(level_path, level_cfg, exist_ok=True, override=True)
-
-        level_node, level_node_children = make_node(
-            level_name, level_cfg['node_id'], level_cfg['keywords'])
-        tree_node['children'].append(level_node)
-
-        # 章节点
-        for chapter_no_dir, chapter_no_name in list_dir(level_no_dir):
-            no, chapter_name = parse_no_name(chapter_no_name)
-            chapter_path = os.path.join(chapter_no_dir, 'config.json')
-            chapter_cfg = load_json(chapter_path)
-            if ensure_node_id(chapter_cfg) or check_export(chapter_no_dir, chapter_cfg):
-                dump_json(chapter_path, chapter_cfg,
-                          exist_ok=True, override=True)
-            if ensure_title(chapter_cfg, chapter_path):
-                dump_json(chapter_path, chapter_cfg,
-                          exist_ok=True, override=True)
-
-            chapter_node, chapter_node_children = make_node(
-                chapter_name, chapter_cfg['node_id'], chapter_cfg['keywords'])
-            level_node_children.append(chapter_node)
-
-            # 知识点
-            for section_no_dir, section_no_name in list_dir(chapter_no_dir):
-                no, section_name = parse_no_name(section_no_name)
-                sec_path = os.path.join(section_no_dir, 'config.json')
-                sec_cfg = load_json(sec_path)
-                flag = ensure_node_id(sec_cfg) or check_export(
-                    section_no_dir, sec_cfg)
-
-                section_node, section_node_children = make_node(
-                    section_name, sec_cfg['node_id'], sec_cfg['keywords'], sec_cfg.get('children', []))
-                chapter_node_children.append(section_node)
-
-                # 确保习题分配了习题ID
-
-                for export in sec_cfg.get("export", []):
-                    ecfg_path = os.path.join(section_no_dir, export)
-                    ecfg = load_json(ecfg_path)
-
-                    if (ecfg.get('exercise_id') is None) or (ecfg.get('exercise_id') in id_set):
-                        ecfg['exercise_id'] = uuid.uuid4().hex
-                        dump_json(ecfg_path, ecfg,
-                                  exist_ok=True, override=True)
-
-                    id_set.add(ecfg['exercise_id'])
-
-                if flag:
-                    dump_json(sec_path, sec_cfg, exist_ok=True, override=True)
-
-                if ensure_title(sec_cfg, sec_path):
-                    dump_json(sec_path, sec_cfg, exist_ok=True, override=True)
-
-    # 保存技能树骨架
-    tree_path = os.path.join(data_path, 'tree.json')
-    dump_json(tree_path, root, exist_ok=True, override=True)
+        # if "children" in config:
+        #     result["children"] = config["children"]
+        return num, result
+
+    def ensure_exercises(self, section_path):
+        config = self.ensure_section_config(section_path)
+        for e in config.get("export", []):
+            full_name = os.path.join(section_path, e)
+            exercise = load_json(full_name)
+            if "exercise_id" not in exercise:
+                exercise["exercise_id"] = uuid.uuid4().hex
+                dump_json(full_name, exercise)
+