From ae112c100979f15c95317c3f7356fb89b2ffd06d Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 21 Jan 2018 13:58:50 +0530
Subject: [PATCH] calibredb export: Add --progress option

---
 src/calibre/db/cli/cmd_export.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/calibre/db/cli/cmd_export.py b/src/calibre/db/cli/cmd_export.py
index eabbf5de2f..e32295f2a4 100644
--- a/src/calibre/db/cli/cmd_export.py
+++ b/src/calibre/db/cli/cmd_export.py
@@ -69,6 +69,12 @@ an opf file). You can get id numbers from the search command.
         action='store_true',
         help=_('Export all books into a single directory')
     )
+    parser.add_option(
+        '--progress',
+        default=False,
+        action='store_true',
+        help=_('Report progress')
+    )
     c = config()
     for pref in ['asciiize', 'update_metadata', 'write_opf', 'save_cover']:
         opt = c.get_option(pref)
@@ -138,6 +144,12 @@ def main(opts, args, dbctx):
     dest = os.path.abspath(os.path.expanduser(opts.to_dir))
     dbproxy = DBProxy(dbctx)
     dest, opts, length = sanitize_args(dest, opts)
+    total = len(book_ids)
     for i, book_id in enumerate(book_ids):
         export(opts, dbctx, book_id, dest, dbproxy, length, i == 0)
+        if opts.progress:
+            num = i + 1
+            print('\r  {:.0%} [{}/{}]'.format(num / total, num, total), end=' '*20)
+    if opts.progress:
+        print()
     return 0