validate.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
""" @todo add docstring """

# ### imports ###

from __future__ import (
    absolute_import,
    division,
    print_function,  # ,
    #  unicode_literals
)

import json
import os

# import pprint
import re
import sys
import traceback

from jsoncomment import JsonComment
from jsonschema import validate


def decode(s):
    """doc me"""
    if sys.version_info >= (3, 0):
        return s

    for encoding in "utf-8-sig", "utf-16":
        try:
            return s.decode(encoding)
        except UnicodeDecodeError:
            continue
    return s.decode("latin-1")


schema_name = "c:/scoop/apps/scoop/current/schema.json"

if not os.path.isfile(schema_name):
    if "SCOOP_HOME" in os.environ:
        schema_name = "%s/schema.json" % os.environ["SCOOP_HOME"]

if not os.path.isfile(schema_name):
    if "SCOOP" in os.environ:
        schema_name = "%s/apps/scoop/current/schema.json" % os.environ["SCOOP"]

if not os.path.isfile(schema_name):
    if "USERPROFILE" in os.environ:
        schema_name = "%s/scoop/apps/scoop/current/schema.json" % os.environ["USERPROFILE"]

if not os.path.isfile(schema_name):
    print("File not found: schema.json")
    sys.exit(1)

file = sys.argv[1]
if re.match("^schema", file):
    sys.exit(0)

# print('Validating %s via %s' % (file, schema_name))

with open(schema_name, "r") as f:
    schema_data = json.load(f)

with open(file, "r") as f:
    jstr = f.read()

jstr_no_bom = decode(jstr)
failed = file + ".failed"
if os.path.exists(failed):
    os.remove(failed)

try:
    parser = JsonComment(json)
    json_data = parser.loads(jstr_no_bom)

    validate(json_data, schema_data)

except Exception as e:
    print("%s failed" % file)
    trace = traceback.format_exc()
    print(e)
    # with open(failed, 'a+') as f:
    #   f.write(trace)
    sys.exit(1)

sys.exit(0)