1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import getpass
import io
import yaml
import json
import urllib.request, urllib.parse, urllib.error
import os
import inspect
import sys
from bson.son import SON
import kpov_random_helpers
import random
import argparse
import locale
import readline
locale.setlocale(locale.LC_ALL, ['C', 'utf8'])
readline.set_completer_delims(readline.get_completer_delims().replace('/', ''))
readline.parse_and_bind('tab: complete')
# SERVER_URL = "http://localhost/kpov_judge/"
#SERVER_URL = "http://kpov.fri.uni-lj.si/kpov_judge/"
#TASK_URL = SERVER_URL + '{task_id}/task.py'
TASK_URL = "file://" + os.getcwd() + '/tasks'
PARAMS_FILE = os.path.expanduser("~/.kpov_params.yaml")
DEFAULT_LANGUAGE = 'si'
"""get the parameters for a task either from the user
or from a file."""
def get_params(params, meta, param_name_list=None, language=None):
if param_name_list is None:
param_name_list = list(meta.keys())
if language is None:
language = params.get('language', DEFAULT_LANGUAGE)
for name in param_name_list:
if name not in meta:
pass
m = meta.get(name, {})
try:
description = m['descriptions'][language]
except KeyError:
description = name
init = params.get(name) or ''
try:
if name == 'password':
s = getpass.getpass('{}: '.format(description))
else:
s = input('{} [{}]: '.format(description, init))
if s and m.get('w', True):
params[name] = s
elif name not in params:
params[name] = None
except EOFError:
print()
return params
def add_meta_to_argparser(argparser, meta, defaults = {}):
language = defaults.get('language', DEFAULT_LANGUAGE)
for k, v in meta.items():
try:
desc = v['descriptions'][language].encode("utf-8")
except:
desc = k
argparser.add_argument('--'+k, nargs='?', help=desc, type=str, default=defaults.get(k, None))
return argparser
def http_auth(url, username, password):
password_mgr = urllib.request.HTTPPasswordMgrWithDefaultRealm()
password_mgr.add_password(None, url, username, password)
handler = urllib.request.HTTPBasicAuthHandler(password_mgr)
opener = urllib.request.build_opener(handler)
# Install the opener. Now all calls to urllib2.urlopen use our opener.
urllib.request.install_opener(opener)
def load_task(stream):
# the stream should compile into at least the function
# task(...) and a dictionary "params_meta".
source = stream.read()
t = compile(source, 'task.py', 'exec')
d = {}
exec(t, d)
# get a list of arguments for task(...)
# args_list = inspect.getargs(task.func_code)[0]
return d['task'], d['task_check'], d['params_meta'], d['gen_params']
def locate_task(params, argparser, quiet=False):
# first the URL where all tasks are stored
url_meta = {
'task_url': {'descriptions': {'si': 'URL z nalogami', 'en': 'Root URL for all tasks'}}
}
if 'task_url' not in params:
params['task_url'] = TASK_URL
argparser = add_meta_to_argparser(argparser, meta = url_meta, defaults = params)
args, unknown_args = argparser.parse_known_args()
params['task_url'] = args.task_url
if not quiet:
params = get_params(params, url_meta)
# then the student's ID (and password if neccessarry)
fetch_params_meta = {
'username': {'descriptions': {'si': 'Uporabniško ime', 'en': 'Username'}},
}
if params['task_url'] is not None and (
params['task_url'].startswith('http')):
fetch_params_meta['password'] = {'descriptions': {'si': 'Geslo', 'en': 'Password'}, }
# and finally, the name of the task
fetch_params_meta['task_name'] = {'descriptions': {'si': 'Ime naloge', 'en': 'Task name'}, }
argparser = add_meta_to_argparser(argparser, meta = fetch_params_meta, defaults = params)
args, unknown_args = argparser.parse_known_args()
# update params with the now known args
for k, v in fetch_params_meta.items():
params[k] = vars(args).get(k, params.get(k, None))
if not quiet:
params = get_params(params, fetch_params_meta)
return argparser, params
def load_params(filename):
try:
with open(filename) as f:
saved_params = yaml.load(f)
except:
saved_params = dict()
if saved_params is None:
saved_params = dict()
return saved_params
if __name__ == '__main__':
# get the parameters needed to get to the task, such as the URLs, the name of the task and optionally an ID from the student
# start with the the parameters needed for the dialog gui to work
basic_argparser = argparse.ArgumentParser(description='Get the task parameters', conflict_handler='resolve', add_help=False)
basic_argparser.add_argument('-h', '--help', action='store_true')
basic_argparser.add_argument('-q', '--quiet', action='store_true', help='disable dialog', default=False)
basic_argparser.add_argument('-g', '--generate_params', action='store_true', help='Generate initial values the task parameters', default=False)
basic_argparser.add_argument('-pf','--params_file', nargs='?',
help='a local file containing saved param values', default=PARAMS_FILE)
basic_args, unknown_args = basic_argparser.parse_known_args()
# get default parameters including language
params = load_params(basic_args.params_file)
basic_argparser.add_argument('-l', '--language', nargs='?',
help='the language used', default=params.get('language', DEFAULT_LANGUAGE))
basic_args, unknown_args = basic_argparser.parse_known_args()
params['language'] = basic_args.language
# continue with the parameters needed to get the task
argparser, params = locate_task(params, basic_argparser, quiet=basic_args.quiet)
# TODO: if the task name is missing or invalid, try to get a list of tasks
# get task source and generate params if neccessarry
try:
task_url = params['task_url']
task_name = params['task_name']
if task_url.startswith('http'):
http_auth(task_url, params['username'], params['password'])
print()
print("Fetching {task_url}/{task_name}/task.py…".format(**params))
source = urllib.request.urlopen("{task_url}/{task_name}/task.py".format(**params))
task, task_check, task_params_meta, gen_params = load_task(source)
except Exception as e:
import traceback
traceback.print_exc()
print()
for k, v in params.items():
if k != 'password':
print('{}: {}'.format(k, v))
print()
if basic_args.help:
argparser.print_help()
else:
argparser.print_usage()
with open(basic_args.params_file, 'w') as f:
yaml.dump(params, f)
exit(1)
# get task parameters
params['task_params'] = params.get('task_params', dict())
params['task_params'][params['task_name']] = params['task_params'].get(params['task_name'], dict())
task_params = params['task_params'][params['task_name']]
if basic_args.generate_params:
#prejema lahko samo stringe in ne številk (potrebno je str(int)
# print ("params before: {} {}".format(params, task_params))
task_params.update(gen_params(params['username'], task_params_meta))
# print ("params after: {} {}".format(params, task_params))
if task_url.startswith('http'):
response = urllib.request.urlopen('{task_url}/{task_name}/params.json'.format(**params))
web_task_params = json.load(io.TextIOWrapper(response))
task_params.update(web_task_params)
params_argparser = argparse.ArgumentParser(parents=[argparser], conflict_handler='resolve', add_help=True)
params_argparser = add_meta_to_argparser(params_argparser, task_params_meta, defaults=task_params)
args = vars(params_argparser.parse_args())
for k in task_params_meta:
if k in args and args[k] is not None:
task_params[k] = args[k]
if not basic_args.quiet:
task_params = get_params(task_params, task_params_meta, language=params['language'])
if basic_args.help:
# params_argparser.print_help()
print(params_argparser.format_help())
exit(0)
# run task.task()
public_params = dict()
for k in inspect.getargs(task.__code__)[0]:
public_params[k] = task_params[k]
params['task_params'][params['task_name']] = task_params
# save parameters for the next run
with open(basic_args.params_file, 'w') as f:
# print "dumping", params
yaml.dump(params, f)
try:
print()
print('Running task… ', end='')
task_result = task(**public_params)
print('Checking task… ', end='')
score, hints = task_check(task_result, task_params)
print('Done!')
print('Score: {}'.format(score))
print('Hints:')
for hint in hints:
print(hint)
except Exception as e:
import traceback
traceback.print_exc()
|
