Implemented version tool

version_tool.py

@@ -0,0 +1,33 @@
+import os
+import sys
+
+if len(sys.argv) != 3:
+    print('original version number and new version number are both needed!')
+else:
+    origin_version, new_version = sys.argv[1], sys.argv[2]
+
+    # file_path contains all files'(README, code, documentation source) paths that may contain version number.
+    file_path = ['README.md', 'setup.py']
+
+    # Walk through directories to add all corresponding files' paths into file_path
+    for root, _, files in os.walk('./pydatastructs'):
+        for file in files:
+
+            if file.endswith('.py'):
+                file_path.append(os.path.join(root, file))
+
+    for root, dirs, files in os.walk('./docs/source'):
+        for file in files:
+            if file.endswith('.rst') or file.endswith('.py'):
+                file_path.append(os.path.join(root, file))
+
+    # Update version number everywhere
+    for path in file_path:
+        with open(path, 'r') as file:
+            data = file.read()
+        if origin_version in data:
+            data = data.replace(origin_version, new_version)
+            with open(path, 'w') as file:
+                file.write(data)
+
+    print('Updated version number!')