add python

src/views/ChapterView.vue

@@ -85,7 +85,12 @@
                 >C</button>
                 <button
                   class="lang-tab"
-                  :class="{ active: language === 'python' }"
+                  :class="{
+                    active: language === 'python',
+                    disabled: !hasPythonVersion
+                  }"
+                  :disabled="!hasPythonVersion"
+                  :title="hasPythonVersion ? '切换到 Python 版本' : '该文件暂无 Python 版本'"
                   @click="switchLanguage('python')"
                 >Python</button>
               </div>
@@ -129,11 +134,16 @@ const chapterId = computed(() => props.id || route.params.id)
 const currentFile = ref(null)
 const language = ref('c')
 
+// 判断当前文件是否有 Python 版本
+const hasPythonVersion = computed(() => {
+  return currentFile.value && !!currentFile.value.pyPath
+})
+
 // 根据语言生成文件路径
 const currentFilePath = computed(() => {
   if (!currentFile.value) return null
   if (language.value === 'python') {
-    return currentFile.value.pyPath || currentFile.value.path.replace(/^c\//, 'py/').replace(/\.c$/, '.py')
+    return currentFile.value.pyPath
   }
   return currentFile.value.path
 })
@@ -143,11 +153,17 @@ const currentFileName = computed(() => {
   if (language.value === 'python') {
     return currentFile.value.pyPath
       ? currentFile.value.pyPath.split('/').pop()
-      : currentFile.value.name.replace(/\.c$/, '.py')
+      : currentFile.value.name
   }
   return currentFile.value.name
 })
 
+// 切换语言时，如果目标语言没有对应文件则保持当前语言
+function switchLanguage(lang) {
+  if (lang === 'python' && !hasPythonVersion.value) return
+  language.value = lang
+}
+
 function switchLanguage(lang) {
   language.value = lang
 }
@@ -458,7 +474,7 @@ function getFolderDescription(folderName) {
   font-family: var(--mono);
 }
 
-.lang-tab:hover {
+.lang-tab:hover:not(:disabled) {
   color: var(--text-primary);
 }
 
@@ -468,6 +484,11 @@ function getFolderDescription(folderName) {
   box-shadow: 0 1px 3px rgba(0,0,0,0.1);
 }
 
+.lang-tab.disabled {
+  opacity: 0.4;
+  cursor: not-allowed;
+}
+
 .drawer-close-btn {
   background: none;
   border: none;