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#!/usr/bin/env python
"""Run this script with -h for usage info and docs.
"""
from __future__ import print_function
import argparse
import sys
import os
import json
from util import import_data, value_counter, ui_counts_to_columns,\
matches_all_wheres, CDDAJSONWriter, WhereAction
parser = argparse.ArgumentParser(description="""Count the number of times a specific values occurs
for a specific key.
Example usages:
# What values are present in the material key?
%(prog)s --human -k material
# What cost values are in bionics that are active?
%(prog)s --key=cost type=bionic active=true
""", formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument("--fnmatch",
default="*.json",
help="override with glob expression to select a smaller fileset.")
parser.add_argument("--human",
action="store_true",
help="if set, makes output human readable. default is to return output in JSON dictionary.")
parser.add_argument("-k", "--key",
required=True, type=str,
help="key on JSON objects from which to count values")
parser.add_argument("where",
action=WhereAction, nargs='*', type=str,
help="where exclusions of the form 'where_key=where_val', no quotes.")
if __name__ == "__main__":
args = parser.parse_args()
search_key = args.key
json_data, load_errors = import_data(json_fmatch=args.fnmatch)
if load_errors:
# If we start getting unexpected JSON or other things, might need to
# revisit quitting on load_errors
print("Error loading JSON data.")
for e in load_errrors:
print(e)
sys.exit(1)
elif not json_data:
print("No data loaded.")
sys.exit(1)
stats, num_matches = value_counter(json_data, search_key, args.where)
if not stats:
print("Nothing found.")
sys.exit(1)
if args.human:
title = "Count of values from field '%s'" % search_key
print("\n\n%s" % title)
print("(Data from %s out of %s blobs)" % (num_matches, len(json_data)))
print("-" * len(title))
ui_counts_to_columns(stats)
else:
print(json.dumps(stats))
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