Add tox.ini to the list of default config files

Author: DimitriPapadopoulos

README.rst

@@ -90,9 +90,10 @@ Using a config file
 Command line options can also be specified in a config file.
 
 When running ``codespell``, it will check in the current directory for a file
-named ``setup.cfg`` or ``.codespellrc`` (or a file specified via ``--config``),
-containing an entry named ``[codespell]``. Each command line argument can
-be specified in this file (without the preceding dashes), for example::
+named ``setup.cfg``, ``tox.ini`` or ``.codespellrc`` (or a file specified via
+``--config``), containing an entry named ``[codespell]``. Each command line
+argument can be specified in this file (without the preceding dashes), for
+example::
 
     [codespell]
     skip = *.po,*.ts,./src/3rdParty,./src/Test

codespell_lib/_codespell.py

@@ -401,7 +401,7 @@ def parse_options(args):
     options = parser.parse_args(list(args))
 
     # Load config files and look for ``codespell`` options.
-    cfg_files = ['setup.cfg', '.codespellrc']
+    cfg_files = ['setup.cfg', '.codespellrc', 'tox.ini']
     if options.config:
         cfg_files.append(options.config)
     config = configparser.ConfigParser()