[update] support bsp .ignore_format.yml.

Author: thread-liu

.ignore_format.yml

@@ -0,0 +1,9 @@
+# files format check exclude path, please follow the instructions below to modify; 
+# If you need to exclude an entire folder, add the folder path in dir_path;
+# If you need to exclude a file, add the path to the file in file_path.
+
+file_path:
+- bsp/allwinner_tina/libcpu/cpu.c
+
+dir_path:
+- tools

ignore_format.yml

@@ -34,22 +34,46 @@ def __init__(self, rtt_repo, rtt_branch):
         self.rtt_branch = rtt_branch
 
     def __exclude_file(self, file_path):
-        ignore_file_path = os.path.join(self.root, 'ignore_format.yml')
-        try:
-            with open(ignore_file_path) as f:
-                ignore_config = yaml.safe_load(f.read())
-            file_ignore = ignore_config.get("file_path", [])
-            dir_ignore = ignore_config.get("dir_path", [])
-        except Exception as e:
-            logging.error(e)
-            return 1
-
-        if file_path in file_ignore:
-            return 0
-
-        file_dir_path = os.path.dirname(file_path)
-        if file_dir_path in dir_ignore:
-            return 0
+        dir_number = file_path.split('/')
+        ignore_path = file_path
+
+        # gets the file path depth.
+        for i in dir_number:
+            # current directory.
+            dir_name = os.path.dirname(ignore_path)
+            ignore_path = dir_name
+            # judge the ignore file exists in the current directory.
+            ignore_file_path = os.path.join(dir_name, ".ignore_format.yml")
+            if not os.path.exists(ignore_file_path):
+                continue
+            try:
+                with open(ignore_file_path) as f:
+                    ignore_config = yaml.safe_load(f.read())
+                file_ignore = ignore_config.get("file_path", [])
+                dir_ignore = ignore_config.get("dir_path", [])
+            except Exception as e:
+                logging.error(e)
+                continue
+         
+            try:
+                # judge file_path in the ignore file.
+                for file in file_ignore:
+                    if file is not None:
+                        file_real_path = os.path.join(dir_name, file)
+                        if file_real_path == file_path:
+                            logging.info("ignore file path: {}".format(file_real_path))
+                            return 0
+                
+                file_dir_path = os.path.dirname(file_path)
+                for _dir in dir_ignore:
+                    if _dir is not None:
+                        dir_real_path = os.path.join(dir_name, _dir)
+                        if dir_real_path == file_dir_path:
+                            logging.info("ignore dir path: {}".format(dir_real_path))
+                            return 0
+            except Exception as e:
+                logging.error(e)
+                continue
 
         return 1
 
@@ -93,20 +117,20 @@ class FormatCheck:
     def __init__(self, file_list):
         self.file_list = file_list
 
-    def __check_file(self, file_lines):
+    def __check_file(self, file_lines, file_path):
         line_num = 1
         check_result = False
         for line in file_lines:
             # check line start
             line_start = line.replace(' ', '')
             # find tab
             if line_start.startswith('\t'):
-                logging.error("line[{}]: please use space replace tab at the start of this line.".format(line_num))
+                logging.error("{} line[{}]: please use space replace tab at the start of this line.".format(file_path, line_num))
                 check_result = False
             # check line end
             lin_end = line.split('\n')[0]
             if lin_end.endswith(' ') or lin_end.endswith('\t'):
-                logging.error("line[{}]: please delete extra space at the end of this line.".format(line_num))
+                logging.error("{} line[{}]: please delete extra space at the end of this line.".format(file_path, line_num))
                 check_result = False
             line_num += 1
 
@@ -140,7 +164,7 @@ def check(self):
 
             with open(file_path, 'r') as f:
                 file_lines = f.readlines()
-            format_check_result = self.__check_file(file_lines)    
+            format_check_result = self.__check_file(file_lines, file_path)    
 
         if not encoding_check_result or not format_check_result:
             logging.error("files format check fail.")