seitime-frappe/webnotes/utils/response.py
Rushabh Mehta 7a1a4c872a added /api
2014-02-05 17:06:18 +05:30

102 lines
3.3 KiB
Python

# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
# MIT License. See license.txt
from __future__ import unicode_literals
import json, inspect
import datetime
import gzip, cStringIO
import webnotes
import webnotes.utils
import webnotes.sessions
import webnotes.model.utils
from werkzeug.local import LocalProxy
def report_error(status_code):
webnotes.errprint(webnotes.utils.get_traceback())
webnotes._response.status_code = status_code
if webnotes.request_method == "POST":
webnotes.conn.rollback()
def build_response():
print_map = {
'csv': print_csv,
'download': print_raw,
'json': print_json,
'page': print_page
}
print_map.get(webnotes.response.get('type'), print_json)()
def print_page():
"""print web page"""
from webnotes.webutils import render
render(webnotes.response['page_name'])
def print_json():
make_logs()
cleanup_docs()
webnotes._response.headers["Content-Type"] = "text/json; charset: utf-8"
print_zip(json.dumps(webnotes.local.response, default=json_handler, separators=(',',':')))
def cleanup_docs():
if webnotes.response.get('docs') and type(webnotes.response['docs'])!=dict:
webnotes.response['docs'] = webnotes.model.utils.compress(webnotes.response['docs'])
def print_csv():
webnotes._response.headers["Content-Type"] = \
"text/csv; charset: utf-8"
webnotes._response.headers["Content-Disposition"] = \
"attachment; filename=%s.csv" % webnotes.response['doctype'].replace(' ', '_')
webnotes._response.data = webnotes.response['result']
def print_raw():
webnotes._response.headers["Content-Type"] = \
mimetypes.guess_type(webnotes.response['filename'])[0] or "application/unknown"
webnotes._response.headers["Content-Disposition"] = \
"filename=%s" % webnotes.response['filename'].replace(' ', '_')
webnotes._response.data = webnotes.response['filecontent']
def make_logs():
"""make strings for msgprint and errprint"""
if webnotes.error_log:
# webnotes.response['exc'] = json.dumps("\n".join([cstr(d) for d in webnotes.error_log]))
webnotes.response['exc'] = json.dumps([webnotes.utils.cstr(d) for d in webnotes.local.error_log])
if webnotes.local.message_log:
webnotes.response['_server_messages'] = json.dumps([webnotes.utils.cstr(d) for d in webnotes.local.message_log])
if webnotes.debug_log and webnotes.conf.get("logging") or False:
webnotes.response['_debug_messages'] = json.dumps(webnotes.local.debug_log)
def print_zip(response):
response = response.encode('utf-8')
orig_len = len(response)
if accept_gzip() and orig_len>512:
response = compressBuf(response)
webnotes._response.headers["Content-Encoding"] = "gzip"
webnotes._response.headers["Content-Length"] = str(len(response))
webnotes._response.data = response
def json_handler(obj):
"""serialize non-serializable data for json"""
# serialize date
if isinstance(obj, (datetime.date, datetime.timedelta, datetime.datetime)):
return unicode(obj)
elif isinstance(obj, LocalProxy):
return unicode(obj)
else:
raise TypeError, """Object of type %s with value of %s is not JSON serializable""" % \
(type(obj), repr(obj))
def accept_gzip():
if "gzip" in webnotes.get_request_header("HTTP_ACCEPT_ENCODING", ""):
return True
def compressBuf(buf):
zbuf = cStringIO.StringIO()
zfile = gzip.GzipFile(mode = 'wb', fileobj = zbuf, compresslevel = 5)
zfile.write(buf)
zfile.close()
return zbuf.getvalue()