1 files changed, 95 insertions, 0 deletions
diff --git a/pykwalify/cli.py b/pykwalify/cli.py
new file mode 100644
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+++ b/pykwalify/cli.py
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+# -*- coding: utf-8 -*-
+
+""" pyKwalify - cli.py """
+
+# python std lib
+import logging
+import logging.config
+import sys
+
+# 3rd party imports
+from docopt import docopt
+
+
+def parse_cli():
+    """
+    The outline of this function needs to be like this:
+
+    1. parse arguments
+    2. validate arguments only, dont go into other logic/code
+    3. run application logic
+    """
+
+    #
+    # 1. parse cli arguments
+    #
+
+    __docopt__ = """
+usage: pykwalify -d FILE -s FILE ... [-e FILE ...]
+       [--strict-rule-validation] [--fix-ruby-style-regex] [--allow-assertions] [-v ...] [-q]
+
+optional arguments:
+  -d FILE, --data-file FILE            the file to be tested
+  -e FILE, --extension FILE            file containing python extension
+  -s FILE, --schema-file FILE          schema definition file
+  --fix-ruby-style-regex               This flag fixes some of the quirks of ruby style regex
+                                       that is not compatible with python style regex
+  --strict-rule-validation             enables strict validation of all keywords for all
+                                       Rule objects to find unsupported keyword usage
+  --allow-assertions                   By default assertions is disabled due to security risk.
+                                       Error will be raised if assertion is used in schema
+                                       but this flag is not used. This option enables assert keyword.
+  -h, --help                           show this help message and exit
+  -q, --quiet                          suppress terminal output
+  -v, --verbose                        verbose terminal output (multiple -v increases verbosity)
+  --version                            display the version number and exit
+"""
+
+    # Import pykwalify package
+    import pykwalify
+
+    args = docopt(__docopt__, version=pykwalify.__version__)
+
+    pykwalify.init_logging(1 if args["--quiet"] else args["--verbose"])
+    log = logging.getLogger(__name__)
+
+    #
+    # 2. validate arguments only, dont go into other code/logic
+    #
+
+    log.debug("Setting verbose level: %s", args["--verbose"])
+    log.debug("Arguments from CLI: %s", args)
+
+    return args
+
+
+def run(cli_args):
+    """
+    Split the functionality into 2 methods.
+
+    One for parsing the cli and one that runs the application.
+    """
+    from .core import Core
+
+    c = Core(
+        source_file=cli_args["--data-file"],
+        schema_files=cli_args["--schema-file"],
+        extensions=cli_args['--extension'],
+        strict_rule_validation=cli_args['--strict-rule-validation'],
+        fix_ruby_style_regex=cli_args['--fix-ruby-style-regex'],
+        allow_assertions=cli_args['--allow-assertions'],
+    )
+    c.validate()
+    return c
+
+
+def cli_entrypoint():
+    """
+    Main entrypoint for script. Used by setup.py to automatically
+    create a cli script
+    """
+    # Check minimum version of Python
+    if sys.version_info < (2, 7, 0):
+        sys.stderr.write(u"WARNING: pykwalify: It is recommended to run pykwalify on python version 2.7.x or later...\n\n")
+
+    run(parse_cli())