Add a simple tool to minimise CSS and JS files (for future use)

web/tools/minimise.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+
+##########################################################################
+#
+# pgAdmin 4 - PostgreSQL Tools
+#
+# Copyright (C) 2013 - 2017, The pgAdmin Development Team
+# This software is released under the PostgreSQL Licence
+#
+# config.py - Core application configuration settings
+#
+##########################################################################
+
+"""Minimises CSS and JS files found under the given directory"""
+
+import argparse
+import os
+from rcssmin import cssmin
+from rjsmin import jsmin
+
+parser = argparse.ArgumentParser()
+parser.add_argument("directory",
+                    help="the directory to minimise recursively")
+args = parser.parse_args()
+
+def minimise(dummy, dirname, filesindir):
+    """
+    Minimises any .js or .css files found
+    Args:
+        dummy: unused
+        dirname: the directory in which to minimise files
+        filesindir: lists the files in the directory
+    """
+    for fname in filesindir:
+        if fname[-4:] == '.css' and fname[-8:] != '.min.css':
+            oldfile = os.path.join(dirname, fname)
+            newfile = os.path.join(dirname, fname[:-4] + '.min.css')
+
+            print("CSS: Minimising: " + oldfile +
+                    " -> " + newfile)
+
+            fp_old = open(oldfile, "rb")
+            fp_new = open(newfile, "wb")
+
+            fp_new.write(cssmin(fp_old.read(), keep_bang_comments=False))
+
+            fp_old.close()
+            fp_new.close()
+
+        elif fname[-3:] == '.js' and fname[-7:] != '.min.js':
+            oldfile = os.path.join(dirname, fname)
+            newfile = os.path.join(dirname, fname[:-3] + '.min.js')
+
+            print("JS : Minimising: " + oldfile +
+                  " -> " + newfile)
+
+            fp_old = open(oldfile, "rb")
+            fp_new = open(newfile, "wb")
+
+            fp_new.write(jsmin(fp_old.read(), keep_bang_comments=False))
+
+            fp_old.close()
+            fp_new.close()
+
+os.path.walk(args.directory, minimise, None)