修复部分查询存在格式异常的问题;添加缓存

setup.py

@@ -8,7 +8,9 @@
 
 requires = [
     'requests>=2.22.0',
-    'lxml>=4.4.1'
+    'lxml>=4.4.1',
+    'cachelib',
+    'appdirs'
 ]
 
 

translate_it/__version__.py

@@ -1,5 +1,5 @@
 __name__ = 'translate-it'
-__version__ = '0.1.3'
+__version__ = '0.2.0'
 __description__ = 'translate it for me.'
 __license__ = 'Apache 2.0'
 __author__ = 'wen'

translate_it/translate_it.py

@@ -1,10 +1,18 @@
+import re
 import requests
+import appdirs
 from lxml import etree
 from argparse import ArgumentParser
+from cachelib import FileSystemCache, NullCache
+
+CACHE_DIR = appdirs.user_cache_dir('translate_it')
+CACHE_ENTRY_MAX = 128
+
+cache = FileSystemCache(CACHE_DIR, CACHE_ENTRY_MAX, default_timeout=0)
 
 
 def get_content(words):
-    res = requests.get(f'https://dict.youdao.com/w/{" ".join(words)}')
+    res = requests.get(f'https://dict.youdao.com/w/{words}')
     res.raise_for_status()
     return res.text
 
@@ -27,8 +35,14 @@ def parse(response):
 
 
 def tran(words):
-    response = get_content(words)
-    results = parse(response)
+    words = ' '.join(words)
+    results = cache.get(words)
+    if not results:
+        response = get_content(words)
+        results = [re.sub(r'\s', '', result) for result in parse(response)]
+        if results:
+            cache.set(words, results)
+
     return results