Bugfix: fix the pubmed advance query support

Author: hiddenblue

main.py

@@ -10,6 +10,7 @@
 from utils.ExcelHelper import ExcelHelper
 from utils.PDFHelper import PDFHelper
 from utils.WebHelper import WebHelper
+from utils.LogHelper import print_error
 from config import ProjectInfo, projConfig
 
 feedbacktime = projConfig.feedbacktime
@@ -61,7 +62,7 @@ def printSpliter(length=25):
                         help='add --directory or -D specify the save path of pdf file'
                         'For example, -D ./output. Default path is ./document/pub'
                         'you can overrider the default path in config.py',
-                        default='./document/pub')
+                        default=None)
 
     parser.add_argument("-p", "--pmid", type=str, metavar='',
 
@@ -88,12 +89,18 @@ def printSpliter(length=25):
     # the default pdf saving directory path is from config.py which is './document/pub'
     if args.directory is not None:
         projConfig.pdfSavePath = args.directory
+    else:
+        if projConfig.pdfSavePath is None:
+            print_error("Error" "Neither directory of cli nor pdfSavePath in config.py is None.")
+            print_error("Please check your config.py and cli parameter." "The program will exit.")
+            sys.exit()
 
     if args.keyword.isspace() or args.keyword.isnumeric():
         print("pubmedsoso search keyword error\n")
+        print_error("the program will exit.")
         sleep(feedbacktime)
-
-
+    
+    ######################################################################################################
 
     print(f"Current commandline parameters: {args.__dict__}\n")
     print(
@@ -116,6 +123,8 @@ def printSpliter(length=25):
             sleep(feedbacktime * 0.5)
             sys.exit()
 
+    ######################################################################################################
+
     printSpliter()
     print("程序已运行，开始检查数据储存目录\n")
     printSpliter()

utils/WebHelper.py

@@ -21,10 +21,8 @@ class WebHelper:
     session = requests.Session()
 
     @classmethod
-    def createParamDcit(cls, keyword, year: Union[int, None] = None):
-
-        if " " in keyword:
-            keyword = keyword.replace(" ", "%20")
+    def createParamDcit(cls, keyword:str, year: Union[int, None] = None):
+                
         search_keywords_dict = {}
         search_keywords_dict['term'] = keyword.strip()
 
@@ -35,9 +33,9 @@ def createParamDcit(cls, keyword, year: Union[int, None] = None):
         search_keywords_dict['size'] = 50
 
         return search_keywords_dict
-
-    @staticmethod
-    def encodeParam(param: dict) -> str:
+    
+    @classmethod
+    def encodeParam(cls, param: dict) -> str:
         return urllib.parse.urlencode(param)
 
     @staticmethod