add crumb_copy script

scripts/crumb_copy

@@ -0,0 +1,51 @@
+#!python
+"""Uses hansel.Crumb to copy one file tree to another file tree. The
+structure of the destination tree can be modified.
+
+Examples:
+
+crumb_copy --link /data/hansel/cobre/{sid}/{session}/{img} /data/hansel/cobre2/{sid}/{img}
+crumb_copy cobre/{sid}/{session}/{img:anat*} cobre_anat/{sid}/{img}
+"""
+
+def call_crumb_copy(src, dst, **kwargs):
+    """ Make a Crumb out of `src` and `dst` and call `hansel.crumb_copy`
+    with these and the extra kwargs parameters."""
+    from hansel import Crumb, crumb_copy
+
+    src_cr = Crumb(src)
+    dst_cr = Crumb(dst)
+
+    crumb_copy(src_cr, dst_cr, **kwargs)
+
+
+if __name__ == "__main__":
+    import sys
+    from argparse import ArgumentParser, RawTextHelpFormatter
+
+    defstr = ' (default %(default)s)'
+    parser = ArgumentParser(prog='crumb_copy',
+                            description=__doc__,
+                            formatter_class=RawTextHelpFormatter)
+
+    parser.add_argument('src', metavar='<source crumb path>', type=str,
+                        help='The source crumb path.')
+    parser.add_argument('dst', metavar='<dest crumb path>', type=str,
+                        help='The destination crumb path')
+    parser.add_argument('--link', dest='link', default=False, action='store_true',
+                        help='Flag to indicate to whether make links instead of copying.')
+    parser.add_argument('--quiet', dest='quiet', default=False, action='store_true',
+                        help='Flag to remove verbose.')
+    parser.add_argument('--exist_ok', dest='exist_ok', default=False, action='store_true',
+                        help='Flag to allow overwriting destination path.')
+
+    args = parser.parse_args()
+
+    if len(sys.argv) == 1:
+        parser.print_help()
+        exit(0)
+
+    call_crumb_copy(args.src, args.dst,
+                    make_links=args.link,
+                    exist_ok=args.exist_ok,
+                    verbose=(not args.quiet))

setup.py

@@ -52,7 +52,7 @@ def read(*filenames, **kwargs):
 
     install_requires=['six'],
 
-    scripts=[],
+    scripts=['scripts/crumb_copy'],
 
     long_description=read('README.rst', 'CHANGES.rst'),