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Added configuration files support for mandos-client
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mandos-ctl
1
 
#!/usr/bin/python
2
 
# -*- mode: python; coding: utf-8; after-save-hook: (lambda () (let ((command (if (and (boundp 'tramp-file-name-structure) (string-match (car tramp-file-name-structure) (buffer-file-name))) (tramp-file-name-localname (tramp-dissect-file-name (buffer-file-name))) (buffer-file-name)))) (if (= (shell-command (format "%s --check" (shell-quote-argument command)) "*Test*") 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)) (kill-buffer "*Test*")) (display-buffer "*Test*")))); -*-
3
 
#
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
#
6
 
# Copyright © 2008-2019 Teddy Hogeborn
7
 
# Copyright © 2008-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
13
 
# the Free Software Foundation, either version 3 of the License, or
14
 
# (at your option) any later version.
15
 
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
18
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
 
#     GNU General Public License for more details.
20
 
#
21
 
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
23
 
#
24
 
# Contact the authors at <mandos@recompile.se>.
25
 
#
26
 
 
27
 
from __future__ import (division, absolute_import, print_function,
28
 
                        unicode_literals)
29
 
 
30
 
try:
31
 
    from future_builtins import *
32
 
except ImportError:
33
 
    pass
34
 
 
35
 
import sys
36
 
import argparse
37
 
import locale
38
 
import datetime
39
 
import re
40
 
import os
41
 
import collections
42
 
import json
43
 
import unittest
44
 
import logging
45
 
 
46
 
import dbus
47
 
 
48
 
# Show warnings by default
49
 
if not sys.warnoptions:
50
 
    import warnings
51
 
    warnings.simplefilter("default")
52
 
 
53
 
log = logging.getLogger(sys.argv[0])
54
 
logging.basicConfig(level="INFO", # Show info level messages
55
 
                    format="%(message)s") # Show basic log messages
56
 
 
57
 
logging.captureWarnings(True)   # Show warnings via the logging system
58
 
 
59
 
if sys.version_info.major == 2:
60
 
    str = unicode
61
 
 
62
 
locale.setlocale(locale.LC_ALL, "")
63
 
 
64
 
tablewords = {
65
 
    "Name": "Name",
66
 
    "Enabled": "Enabled",
67
 
    "Timeout": "Timeout",
68
 
    "LastCheckedOK": "Last Successful Check",
69
 
    "LastApprovalRequest": "Last Approval Request",
70
 
    "Created": "Created",
71
 
    "Interval": "Interval",
72
 
    "Host": "Host",
73
 
    "Fingerprint": "Fingerprint",
74
 
    "KeyID": "Key ID",
75
 
    "CheckerRunning": "Check Is Running",
76
 
    "LastEnabled": "Last Enabled",
77
 
    "ApprovalPending": "Approval Is Pending",
78
 
    "ApprovedByDefault": "Approved By Default",
79
 
    "ApprovalDelay": "Approval Delay",
80
 
    "ApprovalDuration": "Approval Duration",
81
 
    "Checker": "Checker",
82
 
    "ExtendedTimeout": "Extended Timeout",
83
 
    "Expires": "Expires",
84
 
    "LastCheckerStatus": "Last Checker Status",
85
 
}
86
 
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
87
 
domain = "se.recompile"
88
 
busname = domain + ".Mandos"
89
 
server_path = "/"
90
 
server_interface = domain + ".Mandos"
91
 
client_interface = domain + ".Mandos.Client"
92
 
version = "1.8.3"
93
 
 
94
 
 
95
 
try:
96
 
    dbus.OBJECT_MANAGER_IFACE
97
 
except AttributeError:
98
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
99
 
 
100
 
 
101
 
def milliseconds_to_string(ms):
102
 
    td = datetime.timedelta(0, 0, 0, ms)
103
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
104
 
            .format(days="{}T".format(td.days) if td.days else "",
105
 
                    hours=td.seconds // 3600,
106
 
                    minutes=(td.seconds % 3600) // 60,
107
 
                    seconds=td.seconds % 60))
108
 
 
109
 
 
110
 
def rfc3339_duration_to_delta(duration):
111
 
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
112
 
 
113
 
    >>> rfc3339_duration_to_delta("P7D")
114
 
    datetime.timedelta(7)
115
 
    >>> rfc3339_duration_to_delta("PT60S")
116
 
    datetime.timedelta(0, 60)
117
 
    >>> rfc3339_duration_to_delta("PT60M")
118
 
    datetime.timedelta(0, 3600)
119
 
    >>> rfc3339_duration_to_delta("P60M")
120
 
    datetime.timedelta(1680)
121
 
    >>> rfc3339_duration_to_delta("PT24H")
122
 
    datetime.timedelta(1)
123
 
    >>> rfc3339_duration_to_delta("P1W")
124
 
    datetime.timedelta(7)
125
 
    >>> rfc3339_duration_to_delta("PT5M30S")
126
 
    datetime.timedelta(0, 330)
127
 
    >>> rfc3339_duration_to_delta("P1DT3M20S")
128
 
    datetime.timedelta(1, 200)
129
 
    >>> # Can not be empty:
130
 
    >>> rfc3339_duration_to_delta("")
131
 
    Traceback (most recent call last):
132
 
    ...
133
 
    ValueError: Invalid RFC 3339 duration: u''
134
 
    >>> # Must start with "P":
135
 
    >>> rfc3339_duration_to_delta("1D")
136
 
    Traceback (most recent call last):
137
 
    ...
138
 
    ValueError: Invalid RFC 3339 duration: u'1D'
139
 
    >>> # Must use correct order
140
 
    >>> rfc3339_duration_to_delta("PT1S2M")
141
 
    Traceback (most recent call last):
142
 
    ...
143
 
    ValueError: Invalid RFC 3339 duration: u'PT1S2M'
144
 
    >>> # Time needs time marker
145
 
    >>> rfc3339_duration_to_delta("P1H2S")
146
 
    Traceback (most recent call last):
147
 
    ...
148
 
    ValueError: Invalid RFC 3339 duration: u'P1H2S'
149
 
    >>> # Weeks can not be combined with anything else
150
 
    >>> rfc3339_duration_to_delta("P1D2W")
151
 
    Traceback (most recent call last):
152
 
    ...
153
 
    ValueError: Invalid RFC 3339 duration: u'P1D2W'
154
 
    >>> rfc3339_duration_to_delta("P2W2H")
155
 
    Traceback (most recent call last):
156
 
    ...
157
 
    ValueError: Invalid RFC 3339 duration: u'P2W2H'
158
 
    """
159
 
 
160
 
    # Parsing an RFC 3339 duration with regular expressions is not
161
 
    # possible - there would have to be multiple places for the same
162
 
    # values, like seconds.  The current code, while more esoteric, is
163
 
    # cleaner without depending on a parsing library.  If Python had a
164
 
    # built-in library for parsing we would use it, but we'd like to
165
 
    # avoid excessive use of external libraries.
166
 
 
167
 
    # New type for defining tokens, syntax, and semantics all-in-one
168
 
    Token = collections.namedtuple("Token", (
169
 
        "regexp",  # To match token; if "value" is not None, must have
170
 
                   # a "group" containing digits
171
 
        "value",   # datetime.timedelta or None
172
 
        "followers"))           # Tokens valid after this token
173
 
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
174
 
    # the "duration" ABNF definition in RFC 3339, Appendix A.
175
 
    token_end = Token(re.compile(r"$"), None, frozenset())
176
 
    token_second = Token(re.compile(r"(\d+)S"),
177
 
                         datetime.timedelta(seconds=1),
178
 
                         frozenset((token_end, )))
179
 
    token_minute = Token(re.compile(r"(\d+)M"),
180
 
                         datetime.timedelta(minutes=1),
181
 
                         frozenset((token_second, token_end)))
182
 
    token_hour = Token(re.compile(r"(\d+)H"),
183
 
                       datetime.timedelta(hours=1),
184
 
                       frozenset((token_minute, token_end)))
185
 
    token_time = Token(re.compile(r"T"),
186
 
                       None,
187
 
                       frozenset((token_hour, token_minute,
188
 
                                  token_second)))
189
 
    token_day = Token(re.compile(r"(\d+)D"),
190
 
                      datetime.timedelta(days=1),
191
 
                      frozenset((token_time, token_end)))
192
 
    token_month = Token(re.compile(r"(\d+)M"),
193
 
                        datetime.timedelta(weeks=4),
194
 
                        frozenset((token_day, token_end)))
195
 
    token_year = Token(re.compile(r"(\d+)Y"),
196
 
                       datetime.timedelta(weeks=52),
197
 
                       frozenset((token_month, token_end)))
198
 
    token_week = Token(re.compile(r"(\d+)W"),
199
 
                       datetime.timedelta(weeks=1),
200
 
                       frozenset((token_end, )))
201
 
    token_duration = Token(re.compile(r"P"), None,
202
 
                           frozenset((token_year, token_month,
203
 
                                      token_day, token_time,
204
 
                                      token_week)))
205
 
    # Define starting values:
206
 
    # Value so far
207
 
    value = datetime.timedelta()
208
 
    found_token = None
209
 
    # Following valid tokens
210
 
    followers = frozenset((token_duration, ))
211
 
    # String left to parse
212
 
    s = duration
213
 
    # Loop until end token is found
214
 
    while found_token is not token_end:
215
 
        # Search for any currently valid tokens
216
 
        for token in followers:
217
 
            match = token.regexp.match(s)
218
 
            if match is not None:
219
 
                # Token found
220
 
                if token.value is not None:
221
 
                    # Value found, parse digits
222
 
                    factor = int(match.group(1), 10)
223
 
                    # Add to value so far
224
 
                    value += factor * token.value
225
 
                # Strip token from string
226
 
                s = token.regexp.sub("", s, 1)
227
 
                # Go to found token
228
 
                found_token = token
229
 
                # Set valid next tokens
230
 
                followers = found_token.followers
231
 
                break
232
 
        else:
233
 
            # No currently valid tokens were found
234
 
            raise ValueError("Invalid RFC 3339 duration: {!r}"
235
 
                             .format(duration))
236
 
    # End token found
237
 
    return value
238
 
 
239
 
 
240
 
def string_to_delta(interval):
241
 
    """Parse a string and return a datetime.timedelta
242
 
 
243
 
    >>> string_to_delta('7d')
244
 
    datetime.timedelta(7)
245
 
    >>> string_to_delta('60s')
246
 
    datetime.timedelta(0, 60)
247
 
    >>> string_to_delta('60m')
248
 
    datetime.timedelta(0, 3600)
249
 
    >>> string_to_delta('24h')
250
 
    datetime.timedelta(1)
251
 
    >>> string_to_delta('1w')
252
 
    datetime.timedelta(7)
253
 
    >>> string_to_delta('5m 30s')
254
 
    datetime.timedelta(0, 330)
255
 
    """
256
 
 
257
 
    try:
258
 
        return rfc3339_duration_to_delta(interval)
259
 
    except ValueError:
260
 
        pass
261
 
 
262
 
    value = datetime.timedelta(0)
263
 
    regexp = re.compile(r"(\d+)([dsmhw]?)")
264
 
 
265
 
    for num, suffix in regexp.findall(interval):
266
 
        if suffix == "d":
267
 
            value += datetime.timedelta(int(num))
268
 
        elif suffix == "s":
269
 
            value += datetime.timedelta(0, int(num))
270
 
        elif suffix == "m":
271
 
            value += datetime.timedelta(0, 0, 0, 0, int(num))
272
 
        elif suffix == "h":
273
 
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
274
 
        elif suffix == "w":
275
 
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
276
 
        elif suffix == "":
277
 
            value += datetime.timedelta(0, 0, 0, int(num))
278
 
    return value
279
 
 
280
 
 
281
 
def print_clients(clients, keywords):
282
 
    def valuetostring(value, keyword):
283
 
        if isinstance(value, dbus.Boolean):
284
 
            return "Yes" if value else "No"
285
 
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
286
 
                       "ApprovalDuration", "ExtendedTimeout"):
287
 
            return milliseconds_to_string(value)
288
 
        return str(value)
289
 
 
290
 
    # Create format string to print table rows
291
 
    format_string = " ".join("{{{key}:{width}}}".format(
292
 
        width=max(len(tablewords[key]),
293
 
                  max(len(valuetostring(client[key], key))
294
 
                      for client in clients)),
295
 
        key=key)
296
 
                             for key in keywords)
297
 
    # Print header line
298
 
    print(format_string.format(**tablewords))
299
 
    for client in clients:
300
 
        print(format_string
301
 
              .format(**{key: valuetostring(client[key], key)
302
 
                         for key in keywords}))
303
 
 
304
 
 
305
 
def has_actions(options):
306
 
    return any((options.enable,
307
 
                options.disable,
308
 
                options.bump_timeout,
309
 
                options.start_checker,
310
 
                options.stop_checker,
311
 
                options.is_enabled,
312
 
                options.remove,
313
 
                options.checker is not None,
314
 
                options.timeout is not None,
315
 
                options.extended_timeout is not None,
316
 
                options.interval is not None,
317
 
                options.approved_by_default is not None,
318
 
                options.approval_delay is not None,
319
 
                options.approval_duration is not None,
320
 
                options.host is not None,
321
 
                options.secret is not None,
322
 
                options.approve,
323
 
                options.deny))
324
 
 
325
 
 
326
 
def main():
327
 
    parser = argparse.ArgumentParser()
328
 
    parser.add_argument("--version", action="version",
329
 
                        version="%(prog)s {}".format(version),
330
 
                        help="show version number and exit")
331
 
    parser.add_argument("-a", "--all", action="store_true",
332
 
                        help="Select all clients")
333
 
    parser.add_argument("-v", "--verbose", action="store_true",
334
 
                        help="Print all fields")
335
 
    parser.add_argument("-j", "--dump-json", action="store_true",
336
 
                        help="Dump client data in JSON format")
337
 
    parser.add_argument("-e", "--enable", action="store_true",
338
 
                        help="Enable client")
339
 
    parser.add_argument("-d", "--disable", action="store_true",
340
 
                        help="disable client")
341
 
    parser.add_argument("-b", "--bump-timeout", action="store_true",
342
 
                        help="Bump timeout for client")
343
 
    parser.add_argument("--start-checker", action="store_true",
344
 
                        help="Start checker for client")
345
 
    parser.add_argument("--stop-checker", action="store_true",
346
 
                        help="Stop checker for client")
347
 
    parser.add_argument("-V", "--is-enabled", action="store_true",
348
 
                        help="Check if client is enabled")
349
 
    parser.add_argument("-r", "--remove", action="store_true",
350
 
                        help="Remove client")
351
 
    parser.add_argument("-c", "--checker",
352
 
                        help="Set checker command for client")
353
 
    parser.add_argument("-t", "--timeout",
354
 
                        help="Set timeout for client")
355
 
    parser.add_argument("--extended-timeout",
356
 
                        help="Set extended timeout for client")
357
 
    parser.add_argument("-i", "--interval",
358
 
                        help="Set checker interval for client")
359
 
    parser.add_argument("--approve-by-default", action="store_true",
360
 
                        default=None, dest="approved_by_default",
361
 
                        help="Set client to be approved by default")
362
 
    parser.add_argument("--deny-by-default", action="store_false",
363
 
                        dest="approved_by_default",
364
 
                        help="Set client to be denied by default")
365
 
    parser.add_argument("--approval-delay",
366
 
                        help="Set delay before client approve/deny")
367
 
    parser.add_argument("--approval-duration",
368
 
                        help="Set duration of one client approval")
369
 
    parser.add_argument("-H", "--host", help="Set host for client")
370
 
    parser.add_argument("-s", "--secret",
371
 
                        type=argparse.FileType(mode="rb"),
372
 
                        help="Set password blob (file) for client")
373
 
    parser.add_argument("-A", "--approve", action="store_true",
374
 
                        help="Approve any current client request")
375
 
    parser.add_argument("-D", "--deny", action="store_true",
376
 
                        help="Deny any current client request")
377
 
    parser.add_argument("--check", action="store_true",
378
 
                        help="Run self-test")
379
 
    parser.add_argument("client", nargs="*", help="Client name")
380
 
    options = parser.parse_args()
381
 
 
382
 
    if has_actions(options) and not (options.client or options.all):
383
 
        parser.error("Options require clients names or --all.")
384
 
    if options.verbose and has_actions(options):
385
 
        parser.error("--verbose can only be used alone.")
386
 
    if options.dump_json and (options.verbose
387
 
                              or has_actions(options)):
388
 
        parser.error("--dump-json can only be used alone.")
389
 
    if options.all and not has_actions(options):
390
 
        parser.error("--all requires an action.")
391
 
 
392
 
    try:
393
 
        bus = dbus.SystemBus()
394
 
        mandos_dbus_objc = bus.get_object(busname, server_path)
395
 
    except dbus.exceptions.DBusException:
396
 
        log.critical("Could not connect to Mandos server")
397
 
        sys.exit(1)
398
 
 
399
 
    mandos_serv = dbus.Interface(mandos_dbus_objc,
400
 
                                 dbus_interface=server_interface)
401
 
    mandos_serv_object_manager = dbus.Interface(
402
 
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
403
 
 
404
 
    # block stderr since dbus library prints to stderr
405
 
    null = os.open(os.path.devnull, os.O_RDWR)
406
 
    stderrcopy = os.dup(sys.stderr.fileno())
407
 
    os.dup2(null, sys.stderr.fileno())
408
 
    os.close(null)
409
 
    try:
410
 
        try:
411
 
            mandos_clients = {path: ifs_and_props[client_interface]
412
 
                              for path, ifs_and_props in
413
 
                              mandos_serv_object_manager
414
 
                              .GetManagedObjects().items()
415
 
                              if client_interface in ifs_and_props}
416
 
        finally:
417
 
            # restore stderr
418
 
            os.dup2(stderrcopy, sys.stderr.fileno())
419
 
            os.close(stderrcopy)
420
 
    except dbus.exceptions.DBusException as e:
421
 
        log.critical("Failed to access Mandos server through D-Bus:"
422
 
                     "\n%s", e)
423
 
        sys.exit(1)
424
 
 
425
 
    # Compile dict of (clients: properties) to process
426
 
    clients = {}
427
 
 
428
 
    if options.all or not options.client:
429
 
        clients = {bus.get_object(busname, path): properties
430
 
                   for path, properties in mandos_clients.items()}
431
 
    else:
432
 
        for name in options.client:
433
 
            for path, client in mandos_clients.items():
434
 
                if client["Name"] == name:
435
 
                    client_objc = bus.get_object(busname, path)
436
 
                    clients[client_objc] = client
437
 
                    break
438
 
            else:
439
 
                log.critical("Client not found on server: %r", name)
440
 
                sys.exit(1)
441
 
 
442
 
    if not has_actions(options) and clients:
443
 
        if options.verbose or options.dump_json:
444
 
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
445
 
                        "Created", "Interval", "Host", "KeyID",
446
 
                        "Fingerprint", "CheckerRunning",
447
 
                        "LastEnabled", "ApprovalPending",
448
 
                        "ApprovedByDefault", "LastApprovalRequest",
449
 
                        "ApprovalDelay", "ApprovalDuration",
450
 
                        "Checker", "ExtendedTimeout", "Expires",
451
 
                        "LastCheckerStatus")
452
 
        else:
453
 
            keywords = defaultkeywords
454
 
 
455
 
        if options.dump_json:
456
 
            json.dump({client["Name"]: {key:
457
 
                                        bool(client[key])
458
 
                                        if isinstance(client[key],
459
 
                                                      dbus.Boolean)
460
 
                                        else client[key]
461
 
                                        for key in keywords}
462
 
                       for client in clients.values()},
463
 
                      fp=sys.stdout, indent=4,
464
 
                      separators=(',', ': '))
465
 
            print()
466
 
        else:
467
 
            print_clients(clients.values(), keywords)
468
 
    else:
469
 
        # Process each client in the list by all selected options
470
 
        for client in clients:
471
 
 
472
 
            def set_client_prop(prop, value):
473
 
                """Set a Client D-Bus property"""
474
 
                client.Set(client_interface, prop, value,
475
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
476
 
 
477
 
            def set_client_prop_ms(prop, value):
478
 
                """Set a Client D-Bus property, converted
479
 
                from a string to milliseconds."""
480
 
                set_client_prop(prop,
481
 
                                string_to_delta(value).total_seconds()
482
 
                                * 1000)
483
 
 
484
 
            if options.remove:
485
 
                mandos_serv.RemoveClient(client.__dbus_object_path__)
486
 
            if options.enable:
487
 
                set_client_prop("Enabled", dbus.Boolean(True))
488
 
            if options.disable:
489
 
                set_client_prop("Enabled", dbus.Boolean(False))
490
 
            if options.bump_timeout:
491
 
                set_client_prop("LastCheckedOK", "")
492
 
            if options.start_checker:
493
 
                set_client_prop("CheckerRunning", dbus.Boolean(True))
494
 
            if options.stop_checker:
495
 
                set_client_prop("CheckerRunning", dbus.Boolean(False))
496
 
            if options.is_enabled:
497
 
                if client.Get(client_interface, "Enabled",
498
 
                              dbus_interface=dbus.PROPERTIES_IFACE):
499
 
                    sys.exit(0)
500
 
                else:
501
 
                    sys.exit(1)
502
 
            if options.checker is not None:
503
 
                set_client_prop("Checker", options.checker)
504
 
            if options.host is not None:
505
 
                set_client_prop("Host", options.host)
506
 
            if options.interval is not None:
507
 
                set_client_prop_ms("Interval", options.interval)
508
 
            if options.approval_delay is not None:
509
 
                set_client_prop_ms("ApprovalDelay",
510
 
                                   options.approval_delay)
511
 
            if options.approval_duration is not None:
512
 
                set_client_prop_ms("ApprovalDuration",
513
 
                                   options.approval_duration)
514
 
            if options.timeout is not None:
515
 
                set_client_prop_ms("Timeout", options.timeout)
516
 
            if options.extended_timeout is not None:
517
 
                set_client_prop_ms("ExtendedTimeout",
518
 
                                   options.extended_timeout)
519
 
            if options.secret is not None:
520
 
                set_client_prop("Secret",
521
 
                                dbus.ByteArray(options.secret.read()))
522
 
            if options.approved_by_default is not None:
523
 
                set_client_prop("ApprovedByDefault",
524
 
                                dbus.Boolean(options
525
 
                                             .approved_by_default))
526
 
            if options.approve:
527
 
                client.Approve(dbus.Boolean(True),
528
 
                               dbus_interface=client_interface)
529
 
            elif options.deny:
530
 
                client.Approve(dbus.Boolean(False),
531
 
                               dbus_interface=client_interface)
532
 
 
533
 
 
534
 
class Test_milliseconds_to_string(unittest.TestCase):
535
 
    def test_all(self):
536
 
        self.assertEqual(milliseconds_to_string(93785000),
537
 
                         "1T02:03:05")
538
 
    def test_no_days(self):
539
 
        self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
540
 
    def test_all_zero(self):
541
 
        self.assertEqual(milliseconds_to_string(0), "00:00:00")
542
 
    def test_no_fractional_seconds(self):
543
 
        self.assertEqual(milliseconds_to_string(400), "00:00:00")
544
 
        self.assertEqual(milliseconds_to_string(900), "00:00:00")
545
 
        self.assertEqual(milliseconds_to_string(1900), "00:00:01")
546
 
 
547
 
 
548
 
def should_only_run_tests():
549
 
    parser = argparse.ArgumentParser(add_help=False)
550
 
    parser.add_argument("--check", action='store_true')
551
 
    args, unknown_args = parser.parse_known_args()
552
 
    run_tests = args.check
553
 
    if run_tests:
554
 
        # Remove --check argument from sys.argv
555
 
        sys.argv[1:] = unknown_args
556
 
    return run_tests
557
 
 
558
 
# Add all tests from doctest strings
559
 
def load_tests(loader, tests, none):
560
 
    import doctest
561
 
    tests.addTests(doctest.DocTestSuite())
562
 
    return tests
563
 
 
564
 
if __name__ == "__main__":
565
 
    if should_only_run_tests():
566
 
        # Call using ./tdd-python-script --check [--verbose]
567
 
        unittest.main()
568
 
    else:
569
 
        main()