Initial Commit

lib/mako/cmd.py

@@ -0,0 +1,62 @@
+# mako/cmd.py
+# Copyright (C) 2006-2015 the Mako authors and contributors <see AUTHORS file>
+#
+# This module is part of Mako and is released under
+# the MIT License: http://www.opensource.org/licenses/mit-license.php
+from argparse import ArgumentParser
+from os.path import isfile, dirname
+import sys
+from mako.template import Template
+from mako.lookup import TemplateLookup
+from mako import exceptions
+
+def varsplit(var):
+    if "=" not in var:
+        return (var, "")
+    return var.split("=", 1)
+
+def _exit():
+    sys.stderr.write(exceptions.text_error_template().render())
+    sys.exit(1)
+
+def cmdline(argv=None):
+
+    parser = ArgumentParser("usage: %prog [FILENAME]")
+    parser.add_argument("--var", default=[], action="append",
+                  help="variable (can be used multiple times, use name=value)")
+    parser.add_argument("--template-dir", default=[], action="append",
+                  help="Directory to use for template lookup (multiple "
+                    "directories may be provided). If not given then if the "
+                    "template is read from stdin, the value defaults to be "
+                    "the current directory, otherwise it defaults to be the "
+                    "parent directory of the file provided.")
+    parser.add_argument('input', nargs='?', default='-')
+
+    options = parser.parse_args(argv)
+    if options.input == '-':
+        lookup_dirs = options.template_dir or ["."]
+        lookup = TemplateLookup(lookup_dirs)
+        try:
+            template = Template(sys.stdin.read(), lookup=lookup)
+        except:
+            _exit()
+    else:
+        filename = options.input
+        if not isfile(filename):
+            raise SystemExit("error: can't find %s" % filename)
+        lookup_dirs = options.template_dir or [dirname(filename)]
+        lookup = TemplateLookup(lookup_dirs)
+        try:
+            template = Template(filename=filename, lookup=lookup)
+        except:
+            _exit()
+
+    kw = dict([varsplit(var) for var in options.var])
+    try:
+        print(template.render(**kw))
+    except:
+        _exit()
+
+
+if __name__ == "__main__":
+    cmdline()