fix bug

@@ -3,6 +3,7 @@ import time
 import random
 import datetime
 import fitz
+import shutil
 from django.utils import timezone
 from django.db.utils import IntegrityError
 from django.db.models import Q
@@ -277,13 +278,17 @@ class DocView(GenericView, DocHandler):
         random_int = random.randint(0, consts.TIME_NUM)
         metadata_version_id = str(int(time.time()) - random_int)
 
-        # tmp_save_path = os.path.join(conf.DATA_DIR, '{0}.pdf'.format(metadata_version_id))
+        tmp_save_path = os.path.join(conf.DATA_DIR, '{0}.pdf'.format(metadata_version_id))
         pdf_file = args.get('pdf_file')
-        # file_write(pdf_file, tmp_save_path)
+        file_write(pdf_file, tmp_save_path)
 
-        if not fitz.open("pdf", pdf_file).isPDF:
+        # if not fitz.open("pdf", pdf_file).isPDF:
+        file = fitz.Document(tmp_save_path)
+        if not file.isPDF:
+            file.close()
             raise self.invalid_params(msg='invalid params: not a PDF file')
 
+        file.close()
         # 1. 上传信息记录
         application_id = '{0}{1}'.format(consts.FIXED_APPLICATION_ID_PREFIX, metadata_version_id)
         upload_finish_time = timezone.now()
@@ -323,7 +328,8 @@ class DocView(GenericView, DocHandler):
         save_dir_path = os.path.join(conf.DATA_DIR, business_type, str(doc.id))
         save_file_path = os.path.join(save_dir_path, '{0}.pdf'.format(doc.id))
         os.makedirs(save_dir_path, exist_ok=True)
-        file_write(pdf_file, save_file_path)
+        # file_write(pdf_file, save_file_path)
+        shutil.move(tmp_save_path, save_file_path)
 
         # 4. 选择队列进入
         is_priority = False