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rename.py
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rename.py
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import utils, os, sys, shutil
def parser(cmd_name, subparsers, config):
parser = subparsers.add_parser(cmd_name, help="change a paper's name")
parser.add_argument("old_name", help="the paper's old name")
parser.add_argument("new_name", help="the paper's new name "
"(must not be an existing name)")
return parser
def command(config, old_name, new_name):
root_folder = os.path.expanduser(config.get("folders", "root"))
forbidden_char = utils.forbidden_chars(new_name)
if forbidden_char is not None:
print("New paper name cannot contain %s" % (
forbidden_char), file=sys.stderr)
return 1
old_folder = utils.paper_folder(old_name, config)
new_folder = utils.paper_folder(new_name, config)
old_paper_path = utils.paper_path(old_name, config)
new_paper_path = utils.paper_path(new_name, config,
allow_nonexistent = True)
if not os.path.exists(old_folder):
return 1
if os.path.exists(new_folder):
print("Paper '%s' already exists" % (new_name), file=sys.stderr)
return 1
if old_paper_path is None:
print("Can't find a paper PDF within '%s'" % (old_folder), file=sys.stderr)
return 1
shutil.move(old_folder, new_folder)
shutil.move(os.path.join(new_folder, old_name + ".pdf"), new_paper_path)
return 0