first commit; add contacts_validation

1 files changed, 51 insertions, 0 deletions

diff --git a/contacts_validation/contacts_validation/command_line.py b/contacts_validation/contacts_validation/command_line.py
new file mode 100644
index 0000000..0310c78
--- /dev/null
+++ b/contacts_validation/contacts_validation/command_line.py
@@ -0,0 +1,51 @@
+# Copyright 2018 vg@devys.org
+# SPDX-License-Identifier: MIT
+
+'''
+Validate my contacts.
+
+if no FILENAME or one filename is -, stdin will be used.
+
+Usage: contacts-validation [options] [--] [FILENAME...]
+       contacts-validation -h|--help|--help-format
+
+Options:
+  -h, --help     Display this help message
+  --help-format  display schema fields name/title/descriptions
+'''
+
+import os
+import sys
+
+import docopt
+import yaml
+
+from . import validate_yaml_data
+
+
+def gen_streams(filenames):
+    for filename in filenames:
+        if filename == '-':
+            yield sys.stdin
+        else:
+            with open(filename, 'r', encoding='utf8') as stream:
+                yield stream
+
+
+def main():
+    'function called only when script invoked directly on command line'
+    args = docopt.docopt(__doc__)
+
+    if args['--help-format']:
+        print(f'for now see the schema yaml file for description')
+        raise SystemExit(0)
+
+    with open(f'{os.path.dirname(__file__)}/data/contacts_schema.yaml') as schema_fh:
+        schema_obj = yaml.safe_load(schema_fh.read())
+    assert schema_obj
+
+    for i, stream in enumerate(gen_streams(args['FILENAME'] or ['-'])):
+        print('#'*60, f'# Valdating stream {i}', '#'*60, sep='\n')
+        yaml_data = yaml.safe_load(stream.read())
+        assert yaml_data
+        validate_yaml_data(yaml_data, schema_obj)