From 52912ee2934b5cde251d3b5e691f384dcd02e3e9 Mon Sep 17 00:00:00 2001
From: ville rantanen <ville.rantanen@iki.fi>
Date: Sat, 10 Mar 2018 18:12:12 +0200
Subject: [PATCH] restructure cp-version

---
 files/cp-version.py | 53 ++++++++++++++++++++++++++++++++++++---------
 1 file changed, 43 insertions(+), 10 deletions(-)

diff --git a/files/cp-version.py b/files/cp-version.py
index 5165892..5befafe 100755
--- a/files/cp-version.py
+++ b/files/cp-version.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 import os, argparse
 from shutil import copyfile
+from datetime import datetime
 
 def get_options():
     parser = argparse.ArgumentParser(
@@ -10,16 +11,21 @@ def get_options():
         help = "Move file instead of copying",
         default = False
     )
+    parser.add_argument('-d', action = "store_true", dest = "date",
+        help = "Use file date+time as version number",
+        default = False
+    )
     parser.add_argument(action = "store", dest = "file")
     return parser.parse_args()
 
 
-def file_versionize(full_path, move = False):
+def get_version_name(full_path):
     """ Move file to versioned with integer  """
     file_dir = os.path.dirname(full_path)
     file_name = os.path.basename(full_path)
     basename, extension = os.path.splitext(file_name)
     version = 1
+
     while True:
         new_name = os.path.join(
             file_dir,
@@ -33,16 +39,43 @@ def file_versionize(full_path, move = False):
             version += 1
         else:
             break
-    print("%s -> %s"%(
-        full_path,
-        new_name
-    ))
-    if move:
-        os.rename(full_path, new_name)
-    else:
-        copyfile(full_path, new_name)
+    return new_name
+
+
+def get_date_name(full_path):
+    """ Move file to versioned with integer  """
+    file_dir = os.path.dirname(full_path)
+    file_name = os.path.basename(full_path)
+    basename, extension = os.path.splitext(file_name)
+    file_time =  os.stat(full_path).st_mtime
+    time_formatted = datetime.fromtimestamp(
+        file_time
+    ).strftime("%Y%m%d_%H%M%S")
+
+    new_name = os.path.join(
+        file_dir,
+        "%s.%s%s"%(
+            basename,
+            time_formatted,
+            extension
+        )
+    )
+    return new_name
 
 
 if __name__ == "__main__":
     opts = get_options()
-    file_versionize(opts.file, opts.move)
+    if os.path.isdir(opts.file):
+        raise ValueError("Can not handle directories")
+    if opts.date:
+        new_name = get_date_name(opts.file)
+    else:
+        new_name = get_version_name(opts.file)
+    print("%s -> %s"%(
+        opts.file,
+        new_name
+    ))
+    if opts.move:
+        os.rename(opts.file, new_name)
+    else:
+        copyfile(opts.file, new_name)