add DB_VERSION_PATTERN to detection whether a pn_dir contains version number or not

wenh06 · wenh06 · commit 1c8aff792aa5 · 2022-03-24T01:46:12.000+08:00
diff --git a/wfdb/io/record.py b/wfdb/io/record.py
@@ -1226,6 +1226,9 @@ def multi_to_single(self, physical, return_res=64):
 LIST_FIELDS = tuple(_header.SIGNAL_SPECS.index) + ('comments', 'e_p_signal',
                                                    'e_d_signal', 'segments')
 
+# Database Version Pattern
+DB_VERSION_PATTERN = re.compile("\d+.\d+\.\d+")
+
 def get_version(pn_dir):
     """
     Get the version number of the desired project.
