fix etree

app/utils/site.py

@@ -13,27 +13,31 @@ class SiteUtils:
         :return:
         """
         html = etree.HTML(html_text)
-        if not StringUtils.is_valid_html_element(html):
+        try:
+            if not StringUtils.is_valid_html_element(html):
+                return False
+            # 存在明显的密码输入框，说明未登录
+            if html.xpath("//input[@type='password']"):
+                return False
+            # 是否存在登出和用户面板等链接
+            xpaths = [
+                '//a[contains(@href, "logout")'
+                ' or contains(@data-url, "logout")'
+                ' or contains(@href, "mybonus") '
+                ' or contains(@onclick, "logout")'
+                ' or contains(@href, "usercp")'
+                ' or contains(@lay-on, "logout")]',
+                '//form[contains(@action, "logout")]',
+                '//div[@class="user-info-side"]',
+                '//a[@id="myitem"]'
+            ]
+            for xpath in xpaths:
+                if html.xpath(xpath):
+                    return True
             return False
-        # 存在明显的密码输入框，说明未登录
-        if html.xpath("//input[@type='password']"):
-            return False
-        # 是否存在登出和用户面板等链接
-        xpaths = [
-            '//a[contains(@href, "logout")'
-            ' or contains(@data-url, "logout")'
-            ' or contains(@href, "mybonus") '
-            ' or contains(@onclick, "logout")'
-            ' or contains(@href, "usercp")'
-            ' or contains(@lay-on, "logout")]',
-            '//form[contains(@action, "logout")]',
-            '//div[@class="user-info-side"]',
-            '//a[@id="myitem"]'
-        ]
-        for xpath in xpaths:
-            if html.xpath(xpath):
-                return True
-        return False
+        finally:
+            if html is not None:
+                del html
 
     @classmethod
     def is_checkin(cls, html_text: str) -> bool:
@@ -42,24 +46,27 @@ class SiteUtils:
         :return True已签到 False未签到
         """
         html = etree.HTML(html_text)
-        if not StringUtils.is_valid_html_element(html):
-            return False
-        # 站点签到支持的识别XPATH
-        xpaths = [
-            '//a[@id="signed"]',
-            '//a[contains(@href, "attendance")]',
-            '//a[contains(text(), "签到")]',
-            '//a/b[contains(text(), "签 到")]',
-            '//span[@id="sign_in"]/a',
-            '//a[contains(@href, "addbonus")]',
-            '//input[@class="dt_button"][contains(@value, "打卡")]',
-            '//a[contains(@href, "sign_in")]',
-            '//a[contains(@onclick, "do_signin")]',
-            '//a[@id="do-attendance"]',
-            '//shark-icon-button[@href="attendance.php"]'
-        ]
-        for xpath in xpaths:
-            if html.xpath(xpath):
+        try:
+            if not StringUtils.is_valid_html_element(html):
                 return False
-
-        return True
+            # 站点签到支持的识别XPATH
+            xpaths = [
+                '//a[@id="signed"]',
+                '//a[contains(@href, "attendance")]',
+                '//a[contains(text(), "签到")]',
+                '//a/b[contains(text(), "签 到")]',
+                '//span[@id="sign_in"]/a',
+                '//a[contains(@href, "addbonus")]',
+                '//input[@class="dt_button"][contains(@value, "打卡")]',
+                '//a[contains(@href, "sign_in")]',
+                '//a[contains(@onclick, "do_signin")]',
+                '//a[@id="do-attendance"]',
+                '//shark-icon-button[@href="attendance.php"]'
+            ]
+            for xpath in xpaths:
+                if html.xpath(xpath):
+                    return False
+            return True
+        finally:
+            if html is not None:
+                del html