This file is indexed.

/usr/share/pyshared/gluon/shell.py is in python-gluon 1.99.7-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
This file is part of the web2py Web Framework
Developed by Massimo Di Pierro <mdipierro@cs.depaul.edu>,
limodou <limodou@gmail.com> and srackham <srackham@gmail.com>.
License: LGPLv3 (http://www.gnu.org/licenses/lgpl.html)

"""

import os
import sys
import code
import logging
import types
import re
import optparse
import glob
import traceback
import fileutils
import settings
from utils import web2py_uuid
from compileapp import build_environment, read_pyc, run_models_in
from restricted import RestrictedError
from globals import Request, Response, Session
from storage import Storage
from admin import w2p_unpack
from dal import BaseAdapter


logger = logging.getLogger("web2py")

def exec_environment(
    pyfile='',
    request=None,
    response=None,
    session=None,
    ):
    """
    .. function:: gluon.shell.exec_environment([pyfile=''[, request=Request()
        [, response=Response[, session=Session()]]]])

        Environment builder and module loader.


        Builds a web2py environment and optionally executes a Python
        file into the environment.
        A Storage dictionary containing the resulting environment is returned.
        The working directory must be web2py root -- this is the web2py default.

    """

    if request is None: request = Request()
    if response is None: response = Response()
    if session is None: session = Session()

    if request.folder is None:
        mo = re.match(r'(|.*/)applications/(?P<appname>[^/]+)', pyfile)
        if mo:
            appname = mo.group('appname')
            request.folder = os.path.join('applications', appname)
        else:
            request.folder = ''
    env = build_environment(request, response, session, store_current=False)
    if pyfile:
        pycfile = pyfile + 'c'
        if os.path.isfile(pycfile):
            exec read_pyc(pycfile) in env
        else:
            execfile(pyfile, env)
    return Storage(env)


def env(
    a,
    import_models=False,
    c=None,
    f=None,
    dir='',
    extra_request={},
    ):
    """
    Return web2py execution environment for application (a), controller (c),
    function (f).
    If import_models is True the exec all application models into the
    environment.

    extra_request allows you to pass along any extra
    variables to the request object before your models
    get executed. This was mainly done to support
    web2py_utils.test_runner, however you can use it
    with any wrapper scripts that need access to the
    web2py environment.
    """

    request = Request()
    response = Response()
    session = Session()
    request.application = a

    # Populate the dummy environment with sensible defaults.

    if not dir:
        request.folder = os.path.join('applications', a)
    else:
        request.folder = dir
    request.controller = c or 'default'
    request.function = f or 'index'
    response.view = '%s/%s.html' % (request.controller,
                                    request.function)
    request.env.path_info = '/%s/%s/%s' % (a, c, f)
    request.env.http_host = '127.0.0.1:8000'
    request.env.remote_addr = '127.0.0.1'
    request.env.web2py_runtime_gae = settings.global_settings.web2py_runtime_gae

    for k,v in extra_request.items():
        request[k] = v

    # Monkey patch so credentials checks pass.

    def check_credentials(request, other_application='admin'):
        return True

    fileutils.check_credentials = check_credentials

    environment = build_environment(request, response, session)

    if import_models:
        try:
            run_models_in(environment)
        except RestrictedError, e:
            sys.stderr.write(e.traceback+'\n')
            sys.exit(1)

    environment['__name__'] = '__main__'
    return environment


def exec_pythonrc():
    pythonrc = os.environ.get('PYTHONSTARTUP')
    if pythonrc and os.path.isfile(pythonrc):
        try:
            execfile(pythonrc)
        except NameError:
            pass


def run(
    appname,
    plain=False,
    import_models=False,
    startfile=None,
    bpython=False,
    python_code=False
    ):
    """
    Start interactive shell or run Python script (startfile) in web2py
    controller environment. appname is formatted like:

    a      web2py application name
    a/c    exec the controller c into the application environment
    """

    (a, c, f) = parse_path_info(appname)
    errmsg = 'invalid application name: %s' % appname
    if not a:
        die(errmsg)
    adir = os.path.join('applications', a)
    if not os.path.exists(adir):
        if raw_input('application %s does not exist, create (y/n)?'
                      % a).lower() in ['y', 'yes']:
            os.mkdir(adir)
            w2p_unpack('welcome.w2p', adir)
            for subfolder in ['models','views','controllers', 'databases',
                              'modules','cron','errors','sessions',
                              'languages','static','private','uploads']:
                subpath =  os.path.join(adir,subfolder)
                if not os.path.exists(subpath):
                    os.mkdir(subpath)
            db = os.path.join(adir,'models/db.py')
            if os.path.exists(db):
                data = fileutils.read_file(db)
                data = data.replace('<your secret key>','sha512:'+web2py_uuid())
                fileutils.write_file(db, data)

    if c:
        import_models = True
    _env = env(a, c=c, import_models=import_models)
    if c:
        cfile = os.path.join('applications', a, 'controllers', c + '.py')
        if not os.path.isfile(cfile):
            cfile = os.path.join('applications', a, 'compiled', "controllers_%s_%s.pyc" % (c,f))
            if not os.path.isfile(cfile):
                die(errmsg)
            else:
                exec read_pyc(cfile) in _env
        else:
            execfile(cfile, _env)

    if f:
        exec ('print %s()' % f, _env)
    elif startfile:
        exec_pythonrc()
        try:
            execfile(startfile, _env)
            if import_models: BaseAdapter.close_all_instances('commit')
        except Exception, e:
            print traceback.format_exc()
            if import_models: BaseAdapter.close_all_instances('rollback')
    elif python_code:
        exec_pythonrc()
        try:
            exec(python_code, _env)
            if import_models: BaseAdapter.close_all_instances('commit')
        except Exception, e:
            print traceback.format_exc()
            if import_models: BaseAdapter.close_all_instances('rollback')
    else:
        if not plain:
            if bpython:
                try:
                    import bpython
                    bpython.embed(locals_=_env)
                    return
                except:
                    logger.warning(
                        'import bpython error; trying ipython...')
            else:
                try:
                    import IPython
                    if IPython.__version__ >= '0.11':
                        from IPython.frontend.terminal.embed import InteractiveShellEmbed
                        shell = InteractiveShellEmbed(user_ns=_env)
                        shell()
                        return
                    else:
                        # following 2 lines fix a problem with
                        # IPython; thanks Michael Toomim
                        if '__builtins__' in _env:
                            del _env['__builtins__']
                        shell = IPython.Shell.IPShell(argv=[],user_ns=_env)
                        shell.mainloop()
                        return
                except:
                    logger.warning(
                        'import IPython error; use default python shell')
        try:
            import readline
            import rlcompleter
        except ImportError:
            pass
        else:
            readline.set_completer(rlcompleter.Completer(_env).complete)
            readline.parse_and_bind('tab:complete')
        exec_pythonrc()
        code.interact(local=_env)


def parse_path_info(path_info):
    """
    Parse path info formatted like a/c/f where c and f are optional
    and a leading / accepted.
    Return tuple (a, c, f). If invalid path_info a is set to None.
    If c or f are omitted they are set to None.
    """

    mo = re.match(r'^/?(?P<a>\w+)(/(?P<c>\w+)(/(?P<f>\w+))?)?$',
                  path_info)
    if mo:
        return (mo.group('a'), mo.group('c'), mo.group('f'))
    else:
        return (None, None, None)


def die(msg):
    print >> sys.stderr, msg
    sys.exit(1)


def test(testpath, import_models=True, verbose=False):
    """
    Run doctests in web2py environment. testpath is formatted like:

    a      tests all controllers in application a
    a/c    tests controller c in application a
    a/c/f  test function f in controller c, application a

    Where a, c and f are application, controller and function names
    respectively. If the testpath is a file name the file is tested.
    If a controller is specified models are executed by default.
    """

    import doctest
    if os.path.isfile(testpath):
        mo = re.match(r'(|.*/)applications/(?P<a>[^/]+)', testpath)
        if not mo:
            die('test file is not in application directory: %s'
                 % testpath)
        a = mo.group('a')
        c = f = None
        files = [testpath]
    else:
        (a, c, f) = parse_path_info(testpath)
        errmsg = 'invalid test path: %s' % testpath
        if not a:
            die(errmsg)
        cdir = os.path.join('applications', a, 'controllers')
        if not os.path.isdir(cdir):
            die(errmsg)
        if c:
            cfile = os.path.join(cdir, c + '.py')
            if not os.path.isfile(cfile):
                die(errmsg)
            files = [cfile]
        else:
            files = glob.glob(os.path.join(cdir, '*.py'))
    for testfile in files:
        globs = env(a, import_models)
        ignores = globs.keys()
        execfile(testfile, globs)

        def doctest_object(name, obj):
            """doctest obj and enclosed methods and classes."""

            if type(obj) in (types.FunctionType, types.TypeType,
                             types.ClassType, types.MethodType,
                             types.UnboundMethodType):

                # Reload environment before each test.

                globs = env(a, c=c, f=f, import_models=import_models)
                execfile(testfile, globs)
                doctest.run_docstring_examples(obj, globs=globs,
                        name='%s: %s' % (os.path.basename(testfile),
                        name), verbose=verbose)
                if type(obj) in (types.TypeType, types.ClassType):
                    for attr_name in dir(obj):

                        # Execute . operator so decorators are executed.

                        o = eval('%s.%s' % (name, attr_name), globs)
                        doctest_object(attr_name, o)

        for (name, obj) in globs.items():
            if name not in ignores and (f is None or f == name):
                doctest_object(name, obj)


def get_usage():
    usage = """
  %prog [options] pythonfile
"""
    return usage


def execute_from_command_line(argv=None):
    if argv is None:
        argv = sys.argv

    parser = optparse.OptionParser(usage=get_usage())

    parser.add_option('-S', '--shell', dest='shell', metavar='APPNAME',
        help='run web2py in interactive shell or IPython(if installed) ' + \
            'with specified appname')
    msg = 'run web2py in interactive shell or bpython (if installed) with'
    msg += ' specified appname (if app does not exist it will be created).'
    msg += '\n Use combined with --shell'
    parser.add_option(
        '-B',
        '--bpython',
        action='store_true',
        default=False,
        dest='bpython',
        help=msg,
        )
    parser.add_option(
        '-P',
        '--plain',
        action='store_true',
        default=False,
        dest='plain',
        help='only use plain python shell, should be used with --shell option',
        )
    parser.add_option(
        '-M',
        '--import_models',
        action='store_true',
        default=False,
        dest='import_models',
        help='auto import model files, default is False, ' + \
            ' should be used with --shell option',
        )
    parser.add_option(
        '-R',
        '--run',
        dest='run',
        metavar='PYTHON_FILE',
        default='',
        help='run PYTHON_FILE in web2py environment, ' + \
            'should be used with --shell option',
        )

    (options, args) = parser.parse_args(argv[1:])

    if len(sys.argv) == 1:
        parser.print_help()
        sys.exit(0)

    if len(args) > 0:
        startfile = args[0]
    else:
        startfile = ''
    run(options.shell, options.plain, startfile=startfile, bpython=options.bpython)


if __name__ == '__main__':
    execute_from_command_line()