Merge pull request #1 from trek10inc/feature/allow-stdin

feat(cli): support receiving input from stdin

setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name='cfn-transform',
-    version='1.0.2',
+    version='1.1.0',
     author = 'Trek10, Inc',
     author_email = '[email protected]',
     license='MIT',
@@ -14,7 +14,7 @@
     long_description_content_type='text/markdown',
     py_modules=['transformation'],
     install_requires=[
-        'cfn-lint~=0.61.0',
+        'cfn-lint~=0.83.2',
         'click==7.1.2',
     ],
     entry_points='''

transformation.py

@@ -1,3 +1,4 @@
+import sys
 import click
 import json
 
@@ -7,9 +8,10 @@
 # CLI for transforming SAM Templates
 @click.command()
 @click.option('-f','--file', 'output_file', help='Ouput result to specified file')
-@click.argument('input')
+@click.argument('input', type=click.File('r'), default=sys.stdin)
 def cli(input, output_file):
-    (json_file, errors) = decode.decode(input)
+    text = input.read()
+    (json_file, errors) = decode.decode_str(text)
     if errors:
         for match in errors:
             click.echo(match, err=True)