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helpers.py
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helpers.py
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import os
import sys
import webapp2
import jinja2
import json
sys.path.insert(0, 'lib')
JINJA_ENVIRONMENT = jinja2.Environment(
loader=jinja2.FileSystemLoader(os.path.join(os.path.dirname(__file__), "templates")),
extensions=['jinja2.ext.autoescape'],
autoescape=True)
def render_template(template_name, template_values):
template = JINJA_ENVIRONMENT.get_template(template_name)
return template.render(template_values)
def write_template(request_handler, template_name, template_values):
template_string = render_template(template_name, template_values)
request_handler.response.write(template_string)
def write_json(request_handler, object_to_write):
request_handler.response.headers['Content-Type'] = 'application/json'
if request_handler.request.get("pretty", default_value=None) is not None:
indent = 4
else:
indent = None
json_string = json.dumps(object_to_write, indent=indent)
request_handler.response.write(json_string)