This file is indexed.

/usr/share/pyshared/rope/base/project.py is in python-rope 0.9.2-1ubuntu1.

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
419
420
421
422
423
424
425
426
427
428
import cPickle as pickle
import os
import shutil
import sys
import warnings

import rope.base.fscommands
from rope.base import exceptions, taskhandle, prefs, history, pycore, utils
from rope.base.resourceobserver import *
from rope.base.resources import File, Folder, _ResourceMatcher


class _Project(object):

    def __init__(self, fscommands):
        self.observers = []
        self.fscommands = fscommands
        self.prefs = prefs.Prefs()
        self.data_files = _DataFiles(self)

    def get_resource(self, resource_name):
        """Get a resource in a project.

        `resource_name` is the path of a resource in a project.  It is
        the path of a resource relative to project root.  Project root
        folder address is an empty string.  If the resource does not
        exist a `exceptions.ResourceNotFound` exception would be
        raised.  Use `get_file()` and `get_folder()` when you need to
        get nonexistent `Resource`\s.

        """
        path = self._get_resource_path(resource_name)
        if not os.path.exists(path):
            raise exceptions.ResourceNotFoundError(
                'Resource <%s> does not exist' % resource_name)
        elif os.path.isfile(path):
            return File(self, resource_name)
        elif os.path.isdir(path):
            return Folder(self, resource_name)
        else:
            raise exceptions.ResourceNotFoundError('Unknown resource '
                                                   + resource_name)

    def validate(self, folder):
        """Validate files and folders contained in this folder

        It validates all of the files and folders contained in this
        folder if some observers are interested in them.

        """
        for observer in list(self.observers):
            observer.validate(folder)

    def add_observer(self, observer):
        """Register a `ResourceObserver`

        See `FilteredResourceObserver`.
        """
        self.observers.append(observer)

    def remove_observer(self, observer):
        """Remove a registered `ResourceObserver`"""
        if observer in self.observers:
            self.observers.remove(observer)

    def do(self, changes, task_handle=taskhandle.NullTaskHandle()):
        """Apply the changes in a `ChangeSet`

        Most of the time you call this function for committing the
        changes for a refactoring.
        """
        self.history.do(changes, task_handle=task_handle)

    def get_pycore(self):
        return self.pycore

    def get_file(self, path):
        """Get the file with `path` (it may not exist)"""
        return File(self, path)

    def get_folder(self, path):
        """Get the folder with `path` (it may not exist)"""
        return Folder(self, path)

    def is_ignored(self, resource):
        return False

    def get_prefs(self):
        return self.prefs

    def _get_resource_path(self, name):
        pass

    @property
    @utils.saveit
    def history(self):
        return history.History(self)

    @property
    @utils.saveit
    def pycore(self):
        return pycore.PyCore(self)

    def close(self):
        warnings.warn('Cannot close a NoProject',
                      DeprecationWarning, stacklevel=2)

    ropefolder = None


class Project(_Project):
    """A Project containing files and folders"""

    def __init__(self, projectroot, fscommands=None,
                 ropefolder='.ropeproject', **prefs):
        """A rope project

        :parameters:
            - `projectroot`: The address of the root folder of the project
            - `fscommands`: Implements the file system operations used
              by rope; have a look at `rope.base.fscommands`
            - `ropefolder`: The name of the folder in which rope stores
              project configurations and data.  Pass `None` for not using
              such a folder at all.
            - `prefs`: Specify project preferences.  These values
              overwrite config file preferences.

        """
        if projectroot != '/':
            projectroot = _realpath(projectroot).rstrip('/\\')
        self._address = projectroot
        self._ropefolder_name = ropefolder
        if not os.path.exists(self._address):
            os.mkdir(self._address)
        elif not os.path.isdir(self._address):
            raise exceptions.RopeError('Project root exists and'
                                       ' is not a directory')
        if fscommands is None:
            fscommands = rope.base.fscommands.create_fscommands(self._address)
        super(Project, self).__init__(fscommands)
        self.ignored = _ResourceMatcher()
        self.file_list = _FileListCacher(self)
        self.prefs.add_callback('ignored_resources', self.ignored.set_patterns)
        if ropefolder is not None:
            self.prefs['ignored_resources'] = [ropefolder]
        self._init_prefs(prefs)

    def get_files(self):
        return self.file_list.get_files()

    def _get_resource_path(self, name):
        return os.path.join(self._address, *name.split('/'))

    def _init_ropefolder(self):
        if self.ropefolder is not None:
            if not self.ropefolder.exists():
                self._create_recursively(self.ropefolder)
            if not self.ropefolder.has_child('config.py'):
                config = self.ropefolder.create_file('config.py')
                config.write(self._default_config())

    def _create_recursively(self, folder):
        if folder.parent != self.root and not folder.parent.exists():
            self._create_recursively(folder.parent)
        folder.create()

    def _init_prefs(self, prefs):
        run_globals = {}
        if self.ropefolder is not None:
            config = self.get_file(self.ropefolder.path + '/config.py')
            run_globals.update({'__name__': '__main__',
                                '__builtins__': __builtins__,
                                '__file__': config.real_path})
            if config.exists():
                config = self.ropefolder.get_child('config.py')
                execfile(config.real_path, run_globals)
            else:
                exec(self._default_config(), run_globals)
            if 'set_prefs' in run_globals:
                run_globals['set_prefs'](self.prefs)
        for key, value in prefs.items():
            self.prefs[key] = value
        self._init_other_parts()
        self._init_ropefolder()
        if 'project_opened' in run_globals:
            run_globals['project_opened'](self)

    def _default_config(self):
        import rope.base.default_config
        import inspect
        return inspect.getsource(rope.base.default_config)

    def _init_other_parts(self):
        # Forcing the creation of `self.pycore` to register observers
        self.pycore

    def is_ignored(self, resource):
        return self.ignored.does_match(resource)

    def sync(self):
        """Closes project open resources"""
        self.close()

    def close(self):
        """Closes project open resources"""
        self.data_files.write()

    def set(self, key, value):
        """Set the `key` preference to `value`"""
        self.prefs.set(key, value)

    @property
    def ropefolder(self):
        if self._ropefolder_name is not None:
            return self.get_folder(self._ropefolder_name)

    def validate(self, folder=None):
        if folder is None:
            folder = self.root
        super(Project, self).validate(folder)

    root = property(lambda self: self.get_resource(''))
    address = property(lambda self: self._address)


class NoProject(_Project):
    """A null object for holding out of project files.

    This class is singleton use `get_no_project` global function
    """

    def __init__(self):
        fscommands = rope.base.fscommands.FileSystemCommands()
        super(NoProject, self).__init__(fscommands)

    def _get_resource_path(self, name):
        real_name = name.replace('/', os.path.sep)
        return _realpath(real_name)

    def get_resource(self, name):
        universal_name = _realpath(name).replace(os.path.sep, '/')
        return super(NoProject, self).get_resource(universal_name)

    def get_files(self):
        return []

    _no_project = None


def get_no_project():
    if NoProject._no_project is None:
        NoProject._no_project = NoProject()
    return NoProject._no_project


class _FileListCacher(object):

    def __init__(self, project):
        self.project = project
        self.needs_gc = True
        self.files = set()
        self.folders = set()

    def get_files(self):
        if self.needs_gc:
            # forcing the creation of the observer
            self.observer
            for file in list(self.files):
                if not file.exists():
                    self.files.remove(file)
            for folder in list(self.folders):
                if not folder.exists():
                    self.folders.remove(folder)
                    self.observer.remove_resource(folder)
            self.needs_gc = False
        return self.files

    def _updated_resources(self, folder):
        if not folder.exists():
            return set(), set()
        files = set()
        folders = set([folder])
        files.update(folder.get_files())
        for child in folder.get_folders():
            if child not in self.folders:
                newfiles, newfolders = self._updated_resources(child)
                files.update(newfiles)
                folders.update(newfolders)
        return files, folders

    def _update_folder(self, folder):
        files, folders = self._updated_resources(folder)
        self.files.update(files)
        for child in folders - self.folders:
            self.folders.add(child)
            self.observer.add_resource(child)
        self.needs_gc = True

    @property
    @utils.saveit
    def observer(self):
        rawobserver = ResourceObserver(
            self._changed, self._moved, self._created,
            self._removed, self._validate)
        observer = FilteredResourceObserver(rawobserver)
        self.project.add_observer(observer)
        self._update_folder(self.project.root)
        return observer

    def _changed(self, resource):
        if resource.is_folder():
            self._update_folder(resource)

    def _moved(self, resource, new_resource):
        if resource.is_folder():
            self._update_folder(resource)
            self._update_folder(new_resource)
        else:
            self._removed(resource)
            self._created(new_resource)

    def _created(self, resource):
        if resource.is_folder():
            self._update_folder(resource)
        else:
            if not self.project.is_ignored(resource):
                self.files.add(resource)

    def _removed(self, resource):
        if resource.is_folder():
            self._update_folder(resource)
        else:
            if resource in self.files:
                self.files.remove(resource)

    def _validate(self, resource):
        pass


class _DataFiles(object):

    def __init__(self, project):
        self.project = project
        self.hooks = []

    def read_data(self, name, compress=False, import_=False):
        if self.project.ropefolder is None:
            return None
        compress = compress and self._can_compress()
        opener = self._get_opener(compress)
        file = self._get_file(name, compress)
        if not compress and import_:
            self._import_old_files(name)
        if file.exists():
            input = opener(file.real_path, 'rb')
            try:
                result = []
                try:
                    while True:
                        result.append(pickle.load(input))
                except EOFError:
                    pass
                if len(result) == 1:
                    return result[0]
                if len(result) > 1:
                    return result
            finally:
                input.close()

    def write_data(self, name, data, compress=False):
        if self.project.ropefolder is not None:
            compress = compress and self._can_compress()
            file = self._get_file(name, compress)
            opener = self._get_opener(compress)
            output = opener(file.real_path, 'wb')
            try:
                pickle.dump(data, output, 2)
            finally:
                output.close()

    def add_write_hook(self, hook):
        self.hooks.append(hook)

    def write(self):
        for hook in self.hooks:
            hook()

    def _can_compress(self):
        try:
            import gzip
            return True
        except ImportError:
            return False

    def _import_old_files(self, name):
        old = self._get_file(name + '.pickle', False)
        new = self._get_file(name, False)
        if old.exists() and not new.exists():
            shutil.move(old.real_path, new.real_path)

    def _get_opener(self, compress):
        if compress:
            try:
                import gzip
                return gzip.open
            except ImportError:
                pass
        return open

    def _get_file(self, name, compress):
        path = self.project.ropefolder.path + '/' + name
        if compress:
            path += '.gz'
        return self.project.get_file(path)


def _realpath(path):
    """Return the real path of `path`

    Is equivalent to ``realpath(abspath(expanduser(path)))``.

    """
    # there is a bug in cygwin for os.path.abspath() for abs paths
    if sys.platform == 'cygwin':
        if path[1:3] == ':\\':
            return path
        return os.path.abspath(os.path.expanduser(path))
    return os.path.realpath(os.path.abspath(os.path.expanduser(path)))