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authorzhipengh <zhipengh512@gmail.com>2015-12-22 15:04:53 +0800
committerzhipengh <zhipengh512@gmail.com>2015-12-22 15:04:53 +0800
commitb678c5bfea0f1b142c2a4a5bdee1e3309a021887 (patch)
tree493ec289254370057daaaded00fd1b4761783c86 /tosca2heat/tosca-parser-0.3.0/toscaparser/shell.py
parent828f613ea0c3e334eacf3f7857252246708d1c88 (diff)
JIRA:PARSER-15 Provide Standalone Heat-Translator Liberty Pypi Packages
Diffstat (limited to 'tosca2heat/tosca-parser-0.3.0/toscaparser/shell.py')
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+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+import os
+import sys
+
+from toscaparser.tosca_template import ToscaTemplate
+from toscaparser.utils.gettextutils import _
+import toscaparser.utils.urlutils
+
+"""
+CLI entry point to show how TOSCA Parser can be used programmatically
+
+This is a basic command line utility showing the entry point in the
+TOSCA Parser and how to iterate over parsed template. It can be extended
+or modified to fit an individual need.
+
+It can be used as,
+#tosca-parser --template-file=<path to the YAML template>
+#tosca-parser --template-file=<path to the CSAR zip file>
+#tosca-parser --template-file=<URL to the template or CSAR>
+
+e.g.
+#tosca-parser
+ --template-file=toscaparser/tests/data/tosca_helloworld.yaml
+#tosca-parser
+ --template-file=toscaparser/tests/data/CSAR/csar_hello_world.zip
+"""
+
+
+class ParserShell(object):
+
+ def _validate(self, args):
+ if len(args) < 1:
+ msg = _('The program requires a template or a CSAR file as an '
+ 'argument. Please refer to the usage documentation.')
+ raise ValueError(msg)
+ if "--template-file=" not in args[0]:
+ msg = _('The program expects "--template-file" as the first '
+ 'argument. Please refer to the usage documentation.')
+ raise ValueError(msg)
+
+ def main(self, args):
+ self._validate(args)
+ path = args[0].split('--template-file=')[1]
+ if os.path.isfile(path):
+ self.parse(path)
+ elif toscaparser.utils.urlutils.UrlUtils.validate_url(path):
+ self.parse(path, False)
+ else:
+ raise ValueError(_('"%(path)s" is not a valid file.')
+ % {'path': path})
+
+ def parse(self, path, a_file=True):
+ output = None
+ tosca = ToscaTemplate(path, None, a_file)
+
+ version = tosca.version
+ if tosca.version:
+ print ("\nversion: " + version)
+
+ if hasattr(tosca, 'description'):
+ description = tosca.description
+ if description:
+ print ("\ndescription: " + description)
+
+ if hasattr(tosca, 'inputs'):
+ inputs = tosca.inputs
+ if inputs:
+ print ("\ninputs:")
+ for input in inputs:
+ print ("\t" + input.name)
+
+ if hasattr(tosca, 'nodetemplates'):
+ nodetemplates = tosca.nodetemplates
+ if nodetemplates:
+ print ("\nnodetemplates:")
+ for node in nodetemplates:
+ print ("\t" + node.name)
+
+ if hasattr(tosca, 'outputs'):
+ outputs = tosca.outputs
+ if outputs:
+ print ("\noutputs:")
+ for output in outputs:
+ print ("\t" + output.name)
+
+
+def main(args=None):
+ if args is None:
+ args = sys.argv[1:]
+ ParserShell().main(args)
+
+
+if __name__ == '__main__':
+ main()