1 files changed, 81 insertions, 0 deletions
diff --git a/pystache/commands.py b/pystache/commands.py
new file mode 100644
index 0000000..1801d40
--- /dev/null
+++ b/pystache/commands.py
@@ -0,0 +1,81 @@
+# coding: utf-8
+
+"""
+This module provides command-line access to pystache.
+
+Run this script using the -h option for command-line help.
+
+"""
+
+
+try:
+    import json
+except:
+    # The json module is new in Python 2.6, whereas simplejson is
+    # compatible with earlier versions.
+    import simplejson as json
+
+# The optparse module is deprecated in Python 2.7 in favor of argparse.
+# However, argparse is not available in Python 2.6 and earlier.
+from optparse import OptionParser
+import sys
+
+# We use absolute imports here to allow use of this script from its
+# location in source control (e.g. for development purposes).
+# Otherwise, the following error occurs:
+#
+#   ValueError: Attempted relative import in non-package
+#
+from pystache.renderer import Renderer
+
+
+USAGE = """\
+%prog [-h] template context
+
+Render a mustache template with the given context.
+
+positional arguments:
+  template    A filename or template string.
+  context     A filename or JSON string."""
+
+
+def parse_args(sys_argv, usage):
+    """
+    Return an OptionParser for the script.
+
+    """
+    args = sys_argv[1:]
+
+    parser = OptionParser(usage=usage)
+    options, args = parser.parse_args(args)
+
+    template, context = args
+
+    return template, context
+
+
+def main(sys_argv):
+    template, context = parse_args(sys_argv, USAGE)
+
+    if template.endswith('.mustache'):
+        template = template[:-9]
+
+    renderer = Renderer()
+
+    try:
+        template = renderer.load_template(template)
+    except IOError:
+        pass
+
+    try:
+        context = json.load(open(context))
+    except IOError:
+        context = json.loads(context)
+
+    rendered = renderer.render(template, context)
+    print rendered
+
+
+if __name__=='__main__':
+    main(sys.argv)
+