mongo-python-driver/pymongo_context.py at fork · wolfmanx/mongo-python-driver

Repository navigation

History

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

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

461

462

463

464

465

466

467

468

469

470

471

472

473

474

475

476

477

478

479

480

481

482

483

484

485

486

487

488

489

490

491

492

493

494

495

496

497

498

499

500

501

502

503

504

505

506

507

508

509

510

511

512

513

514

515

516

517

518

519

520

521

522

523

524

525

526

527

528

529

530

531

532

533

534

535

536

537

538

539

540

541

542

543

544

545

546

547

548

549

550

551

552

553

554

555

556

557

558

559

560

561

562

563

564

565

566

567

568

569

570

571

572

573

574

575

576

577

578

579

580

581

582

583

584

585

586

587

588

589

590

591

592

593

594

595

596

597

598

599

600

601

602

603

604

605

606

607

608

609

610

611

612

613

614

615

616

617

618

619

620

621

622

623

624

625

626

627

628

629

630

631

632

633

634

635

636

637

638

639

640

641

642

643

644

645

646

647

648

649

650

651

652

653

654

655

656

657

658

659

660

661

662

663

664

665

666

667

668

669

670

671

672

673

674

675

676

677

678

679

680

681

682

683

684

685

686

687

688

689

690

691

692

693

694

695

696

697

698

699

700

701

702

703

704

705

706

707

708

709

710

711

712

713

714

715

716

717

718

719

720

721

722

723

724

725

726

727

728

729

730

731

732

733

734

735

736

737

738

739

740

741

742

743

744

745

746

747

748

749

750

751

752

753

754

755

756

757

758

759

760

761

762

763

764

765

766

767

768

769

770

771

772

773

774

775

776

777

778

779

780

781

782

783

784

785

786

787

788

789

790

791

792

793

794

795

# -*- coding: utf-8 -*-

# Sponsored by WIEDENMANN SEILE GMBH, http://www.wiedenmannseile.de

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

# http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

'''PyMongo/BSON Context Extension.

usage: import pymongo_context

- BSON encoding/decoding context

- enable/disable C extensions at runtime

- threading support (thread-local context)

Works with PyMongo driver fork at

https://github.com/wolfmanx/mongo-python-driver

'''

import sys

import ast

import copy

import pkgutil

import bson

import pymongo.message

try:

import bson.context

bson_context = bson.context

must_patch = False

except ImportError:

try:

from pymongo_context import bson_context

except ImportError:

if __name__ == '__main__':

sys.modules['pymongo_context'] = sys.modules['__main__']

import bson_context

sys.modules['pymongo_context.bson_context'] = bson_context

must_patch = True

try:

getattr(dict(), 'iteritems')

ditems = lambda d: getattr(d, 'iteritems')()

dkeys = lambda d: getattr(d, 'iterkeys')()

dvalues = lambda d: getattr(d, 'itervalues')()

except AttributeError:

ditems = lambda d: getattr(d, 'items')()

dkeys = lambda d: getattr(d, 'keys')()

dvalues = lambda d: getattr(d, 'values')()

# --------------------------------------------------

# |||:sec:||| Dump Utilities

# --------------------------------------------------

# (progn (forward-line 1) (snip-insert-mode "py.f.dump.object" t) (insert "\n"))

def matching_object_attribs(obj, pattern): # ||:fnc:||

"""List of object attributes matching pattern."""

import re

attribs = []

for attr in dir(obj):

if re.search(pattern, attr):

attribs.append(attr)

return attribs

def dump_dict(dct, exclude=None, include=None, as_is=False): # ||:fnc:||

fwid = (len(globals()['dbg_comm'] if 'dbg_comm' in globals() else '# ')

+ (globals()['dbg_twid'] if 'dbg_twid' in globals() else 9)

+ (globals()['dbg_fwid'] if 'dbg_fwid' in globals() else 15)

+ 1)

if exclude is None:

exclude = list()

_exclude = list(exclude)

ditems = dct.items()

if not as_is:

ditems = sorted(ditems)

for attr, value in ditems:

if include is not None and attr not in include:

continue

if attr in _exclude:

continue

print('{1:<{0}s}: {2!r}'.format(fwid, attr, value))

def dump_object(obj, exclude=None, *args, **kwargs): # ||:fnc:||

if exclude is None:

exclude = list()

kwargs['as_is'] = kwargs.get('as_is', False)

_exclude = list(exclude)

_exclude.extend((

'__builtins__',

'__doc__',

))

dump_dict(vars(obj), _exclude, *args, **kwargs)

def dump_bson(): # ||:fnc:||

dump_object(bson,

exclude=matching_object_attribs(bson, '^_element|^_to|^is_valid'),

include=matching_object_attribs(bson, '(_dict|decode|^_py|^_context|_ctx|^enable|^is_)(?i)'))

def dump_message(): # ||:fnc:||

dump_object(pymongo.message,

#exclude=matching_object_attribs(bson, '^_element|^_to|^is_valid'),

include=matching_object_attribs(pymongo.message, '^(get_more|insert|query|update|^_py)(?i)')

)

# --------------------------------------------------

# |||:sec:||| Module Resource/Extract Section

# --------------------------------------------------

import os

def path_split_all(path, path_mod=None):

if path_mod is None:

path_mod = os.path

parts = []

head = path

while True:

head, tail = path_mod.split(head)

if len(tail) != 0:

part=tail

tail = ''

elif len(head) != 0:

part=head

head = ''

else:

part = ''

if len(part) == 0:

break

parts.append(part)

return reversed(parts)

import posixpath

def path_to_posixpath(path, with_drive=False, native_path_mod=None, fast=False):

'''convert path to POSIX path.

:param fast: when True, use posixpath.abspath, if native_path_mod

== posixpath.'''

if native_path_mod is None:

native_path_mod = os.path

(drive, file_path) = native_path_mod.splitdrive(path)

if not with_drive:

drive = ''

parts = []

if native_path_mod == posixpath and fast:

parts.append(posixpath.abspath(file_path))

else:

for part in path_split_all(file_path, native_path_mod):

if part == native_path_mod.sep:

part = posixpath.sep

if part == native_path_mod.pardir:

parts.append(posixpath.pardir)

elif part == native_path_mod.curdir:

parts.append(posixpath.curdir)

else:

parts.append(part)

return ''.join((drive, posixpath.join(*parts)))

# |:note:| needs path_to_posixpath

def module_resource_from_path(path, module, level=1): # ||:fnc:||

'''Get module resource from path to resource.

>>> resource = module_resource_from_path(__file__, __name__)

>>> start = resource.find("def module_resource_from_path")

>>> if start >= 0:

... end = resource[start:].find(":")

... printf(resource[start:start+end+1])

def module_resource_from_path(path, module, level=1):

'''

ppath = path_to_posixpath(path.replace('.pyc', '.py'))

parts = list(path_split_all(ppath, posixpath))

parts = parts[-level:]

resource_location = posixpath.join(*parts)

return pkgutil.get_data(module, resource_location)

# (progn (forward-line 1) (snip-insert-mode "py.f.extract.section" t) (insert "\n"))

import re

def extract_section(string, section_name_rx, section_tag=None, anchor_rx=None): # ||:fnc:||

'''Extract section from string.

>>> sections="""

... # |||\x3asec:||| section_name

... # in section section_name

... # |||\x3asec:||| other_section

... # in section other_section

... # |||\x3asec:|||

... # rest

... """

>>> printf(extract_section(sections, 'section_name'))

# |||\x3asec:||| section_name

# in section section_name

>>> printf(extract_section(sections, 'other_section'))

# |||\x3asec:||| other_section

# in section other_section

>>> len(extract_section(sections, 'not_here')) == 0

True

'''

if section_tag is None:

section_tag = '|||' ':sec:|||'

if anchor_rx is None:

anchor_rx = '^#[ \t]*'

ste = re.escape(section_tag)

section_rx = ''.join((anchor_rx, ste))

section_start_rx = ''.join((section_rx, '[ \t]*', section_name_rx))

mo = re.search(section_start_rx, string, re.M)

if mo is None:

return ''

section = string[mo.start(0):]

mo = re.search(section_rx, section[1:], re.M)

if mo is not None:

section = section[:mo.start(0)]

return section

# --------------------------------------------------

# |||:sec:||| AST Manipulation

# --------------------------------------------------

def map_ast_functions( # ||:fnc:||

ast_module,

function_copy_map=None,

function_rename_map=None,

append=True):

if function_copy_map is None:

function_copy_map = dict()

if function_rename_map is None:

function_rename_map = dict()

function_copy_map_done = dict()

function_rename_map_done = dict()

for key in function_copy_map:

function_copy_map_done[key] = False

for key in function_rename_map:

function_rename_map_done[key] = False

# Rename Python AST objects, copy Python AST objects with new name

# (first occurence only)

mapped_objects = list()

for node in ast.walk(ast_module):

if isinstance(node, ast.FunctionDef):

if node.name in function_rename_map:

if not function_rename_map_done[node.name]:

node.name = function_rename_map[node.name]

function_rename_map_done[node.name] = True

if node.name in function_copy_map:

if not function_copy_map_done[node.name]:

cnode = copy.deepcopy(node)

cnode.name = function_copy_map[node.name]

mapped_objects.append(cnode)

function_copy_map_done[node.name] = True

# Append Python implementations to module

if append:

for node in mapped_objects:

ast_module.body.append(node)

return mapped_objects

if False:

# --------------------------------------------------

# |||:sec:||| BSON Module Patch Setup

# --------------------------------------------------

from pymongo_context.bson_context import *

_context = Context()

_default_ctx = _context

_thread_ctx = ThreadContext()

_context.setDefault('_use_c_encoding', _use_c)

_context.setDefault('_use_c_decoding', _use_c)

check_context = lambda x: None

if _use_c:

_context._register_decoding_alternative('_bson_to_dict', _py_bson_to_dict, _cbson._bson_to_dict)

_context.setDefault('_bson_to_dict', _cbson._bson_to_dict)

else:

_context.setDefault('_bson_to_dict', _py_bson_to_dict)

def _bson_to_dict(*args, **kwargs):

return _context._bson_to_dict(*args, **kwargs)

if _use_c:

_context._register_encoding_alternative('_dict_to_bson', _py_dict_to_bson, _cbson._dict_to_bson)

_context.setDefault('_dict_to_bson', _cbson._dict_to_bson)

else:

_context.setDefault('_dict_to_bson', _py_dict_to_bson)

def _dict_to_bson(dct, check_keys, uuid_subtype, top_level=True, **kwargs):

ctx = kwargs.pop('context', None)

ctx = _context

try:

return ctx._dict_to_bson(dct, check_keys, uuid_subtype, top_level)

except TypeError:

# C extension behaves differently see https://jira.mongodb.org/browse/PYTHON-380

return ctx._dict_to_bson(dct, check_keys, uuid_subtype)

if _use_c:

_context._register_decoding_alternative('decode_all', _py_decode_all, _cbson.decode_all)

_context.setDefault('decode_all', _cbson.decode_all)

else:

_context.setDefault('decode_all', _py_decode_all)

def decode_all(*args, **kwargs):

return _context.decode_all(*args, **kwargs)

# wrapper around _element_to_bson to support object_state_hooks

_context.setDefault('_element_to_bson', _element_to_bson)

def _try_object_hooks(value, need_dict, context):

ctx = _context

hook_defs = ctx.object_state_hooks

for hook_def in hook_defs:

dict_required = need_dict or hook_def[1]

try:

hook = getattr(value, hook_def[0])

except AttributeError:

pass

else:

if callable(hook):

result = hook()

else:

result = hook

if not dict_required or isinstance(result, dict):

return (True, result)

get_object_state = ctx.get_object_state

if get_object_state is not None:

valid, result = get_object_state(value, need_dict)

if valid and (not need_dict or isinstance(result, dict)):

return (True, result)

return (False, None)

import sys

def _element_to_bson(key, value, *args):

try:

return _context._element_to_bson(key, value, *args)

except InvalidDocument:

(t, e, tb) = sys.exc_info()

del(tb)

valid, converted = _try_object_hooks(value, False, None)

if valid:

return _context._element_to_bson(key, converted, *args)

raise e

_update_thread_context()

# --------------------------------------------------

# |||:sec:||| Patch BSON Module

# --------------------------------------------------

def patch_bson(module_resource): # ||:fnc:||

function_copy_map_bson = {

'_dict_to_bson': '_py_dict_to_bson',

'_bson_to_dict': '_py_bson_to_dict',

'decode_all': '_py_decode_all',

}

# get the AST tree for module

# use pkgutil, in case the source is in a ZIP file.

bson_resource = pkgutil.get_data('bson', '__init__.py')

bson_ast_module = ast.parse(bson_resource)

map_ast_functions(bson_ast_module, function_copy_map=function_copy_map_bson)

patch_setup = []

for line in extract_section(module_resource, 'BSON Module Patch Setup').splitlines():

if line.startswith(' '):

line = line[4:]

patch_setup.append(line)

patch_setup = '\n'.join(patch_setup)

patch_setup_ast = ast.parse(patch_setup)

bson_ast_module.body.extend(patch_setup_ast.body)

# recompile module

source_file = bson.__file__.replace('.pyc', '.py')

exec(compile(bson_ast_module, source_file, 'exec'), vars(bson))

if False:

# --------------------------------------------------

# |||:sec:||| PyMongo Message Module Patch Setup

# --------------------------------------------------

if _use_c:

bson._context._register_encoding_alternative('_insert_message', _py_insert, _cmessage._insert_message)

bson._context.setDefault('_insert_message', _cmessage._insert_message)

else:

bson._context.setDefault('_insert_message', _py_insert)

def insert(collection_name, docs, check_keys,

safe, last_error_args, continue_on_error, uuid_subtype, context=None):

ctx = bson._context

return ctx._insert_message(

collection_name, docs, check_keys,

safe, last_error_args, continue_on_error, uuid_subtype)

if _use_c:

bson._context._register_encoding_alternative('_update_message', _py_update, _cmessage._update_message)

bson._context.setDefault('_update_message', _cmessage._update_message)

else:

bson._context.setDefault('_update_message', _py_update)

def update(collection_name, upsert, multi,

spec, doc, safe, last_error_args, check_keys, uuid_subtype, context=None):

ctx = bson._context

return ctx._update_message(

collection_name, upsert, multi,

spec, doc, safe, last_error_args, check_keys, uuid_subtype)

if _use_c:

bson._context._register_encoding_alternative('_query_message', _py_query, _cmessage._query_message)

bson._context.setDefault('_query_message', _cmessage._query_message)

else:

bson._context.setDefault('_query_message', _py_query)

def query(options, collection_name, num_to_skip,

num_to_return, query, field_selector=None,

uuid_subtype=OLD_UUID_SUBTYPE, context=None):

ctx = bson._context

return ctx._query_message(

options, collection_name, num_to_skip,

num_to_return, query, field_selector,

uuid_subtype)

if _use_c:

bson._context._register_encoding_alternative('_get_more_message', _py_get_more, _cmessage._get_more_message)

bson._context.setDefault('_get_more_message', _cmessage._get_more_message)

else:

bson._context.setDefault('_get_more_message', _py_get_more)

def get_more(collection_name, num_to_return, cursor_id, context=None):

ctx = bson._context

return ctx._get_more_message(

collection_name, num_to_return, cursor_id)

# --------------------------------------------------

# |||:sec:||| Patch PyMongo Message Module

# --------------------------------------------------

def patch_message(module_resource): # ||:fnc:||

function_copy_map_message = {

'get_more': '_py_get_more',

'insert': '_py_insert',

'query': '_py_query',

'update': '_py_update',

}

# get the AST tree for module

# use pkgutil, in case the source is in a ZIP file.

message_resource = pkgutil.get_data('pymongo', 'message.py')

message_ast_module = ast.parse(message_resource)

map_ast_functions(message_ast_module, function_copy_map=function_copy_map_message)

patch_setup = []

for line in extract_section(module_resource, 'PyMongo Message Module Patch Setup').splitlines():

if line.startswith(' '):

line = line[4:]

patch_setup.append(line)

patch_setup = '\n'.join(patch_setup)

patch_setup_ast = ast.parse(patch_setup)

message_ast_module.body.extend(patch_setup_ast.body)

# recompile module

source_file = pymongo.message.__file__.replace('.pyc', '.py')

exec(compile(message_ast_module, source_file, 'exec'), vars(pymongo.message))

if must_patch:

if __name__ == '__main__':

print('--------------------------------------------------')

dump_bson()

print('--------------------------------------------------')

dump_message()

module_resource = module_resource_from_path(__file__, __name__)

patch_bson(module_resource)

#bson_context.export_to_bson()

patch_message(module_resource)

# support for wrapping :func:`_element_to_bson`

if not hasattr(bson._context, '_element_to_bson'):

bson._context.setDefault('_element_to_bson', bson._element_to_bson)

bson._update_thread_context()

if __name__ == '__main__':

print('--------------------------------------------------')

dump_bson()

print('--------------------------------------------------')

dump_message()

if hasattr(bson, '_context'):

print('--------------------------------------------------')

print(bson._context)

print('--------------------------------------------------')

# --------------------------------------------------

# |||:sec:||| Unit Test

# --------------------------------------------------

if __name__ == '__main__':

import unittest

from bson.son import SON

class TestBSONContext(unittest.TestCase): # ||:cls:||

def setUp(self): # |:mth:|

pass

def test_context_dict_access(self): # |:mth:|

context = bson.get_context()

da_use_c_encoding = context['_use_c_encoding']

self.assertEqual(da_use_c_encoding, context._use_c_encoding)

context['_use_c_encoding'] = not da_use_c_encoding

self.assertEqual(not da_use_c_encoding, context._use_c_encoding)

def test_threading(self): # |:mth:|

import threading

class Thread(threading.Thread):

def run(self):

sv_context = bson.lock()

context = bson.get_context()

bson.unlock(sv_context)

sv_can_enable_threading = bson_context._can_enable_threading

# threading cannot be re-enabled

bson.enable_threading(False)

self.assertRaises(bson.errors.InvalidConfiguration, bson.enable_threading, True)

# default lock

# no threads can be started, if this lock is held

bson.enable_threading(False)

sv_context = bson.lock()

context = bson.get_context()

bson.unlock(sv_context)

# global thread lock

bson_context._can_enable_threading = True

bson.enable_threading(True)

sv_context = bson.lock()

context = bson.get_context()

thread = Thread()

thread.daemon = True

thread.start()

thread.join()

bson.unlock(sv_context)

# restore _can_enable_threading

bson_context._can_enable_threading = sv_can_enable_threading

def test_enable_c(self): # |:mth:|

# Make sure that all possible combinations of C/Python encoding/decoding

# with or without system-wide available C extension work correctly.

for _function_category in bson._context._c_functions_:

if not bson.has_c():

self.assertEqual(len(_function_category), 0)

continue

for _functions in _function_category:

self.assertTrue(repr(_functions[1]).startswith('<function'))

self.assertTrue(repr(_functions[2]).startswith('<built-in function'))

document = { 'a': 99 }

sv_context = bson.lock()

try:

context = bson.get_context()

def check_c_state(self, encoding, decoding):

# get active context

context = bson.get_context()

if not (encoding or decoding):

self.assertFalse(context.is_c_enabled())

self.assertFalse(context.is_c_enabled(False))

self.assertFalse(context.is_c_enabled(True))

else:

self.assertTrue(context.is_c_enabled())

self.assertTrue(context.is_c_enabled(False))

if encoding:

self.assertTrue(context.is_c_encoding_enabled())

self.assertTrue(repr(context._dict_to_bson).startswith('<built-in function'))

else:

self.assertFalse(context.is_c_encoding_enabled())

self.assertTrue(repr(context._dict_to_bson).startswith('<function'))

if decoding:

self.assertTrue(context.is_c_decoding_enabled())

self.assertTrue(repr(context._bson_to_dict).startswith('<built-in function'))

self.assertTrue(repr(context.decode_all).startswith('<built-in function'))

else:

self.assertFalse(context.is_c_decoding_enabled())

self.assertTrue(repr(context._bson_to_dict).startswith('<function'))

self.assertTrue(repr(context.decode_all).startswith('<function'))

if encoding and decoding:

self.assertTrue(context.is_c_enabled(True))

else:

self.assertFalse(context.is_c_enabled(True))

# coverage:

# - C-encode, C-decode

# - C-encode, Py-decode

# - Py-encode, C-decode

# - Py-encode, Py-decode

try:

def enc(document, context=None):

return bson.BSON.encode(document, context=context)

enc(document)

except TypeError:

def enc(document, context=None):

return bson.BSON.encode(document)

self.assertEqual(99, enc(document).decode(bson.SON)["a"])

self.assertEqual(

bson._context.decode_all(

enc(document)

+ enc(document)),

[document, document])

context.enable_c(False)

self.assertFalse(context.is_c_enabled(True))

bson.set_context(context)

check_c_state(self, False, False)

context.enable_c(True)

enabled = context.is_c_enabled()

bson.set_context(context)

if not bson.has_c():

self.assertFalse(enabled)

check_c_state(self, False, False)

else:

self.assertTrue(enabled)

check_c_state(self, True, True)

context.enable_c(False)

self.assertFalse(context.is_c_enabled())

bson.set_context(context)

check_c_state(self, False, False)

context.enable_c_encoding(True)

self.assertTrue(context.is_c_encoding_enabled())

bson.set_context(context)

check_c_state(self, True, False)

context.enable_c_encoding(False)

self.assertFalse(context.is_c_encoding_enabled())

self.assertFalse(context.is_c_enabled())

context.enable_c_decoding(True)

self.assertTrue(context.is_c_decoding_enabled())

bson.set_context(context)

check_c_state(self, False, True)

context.enable_c_decoding(False)

self.assertFalse(context.is_c_decoding_enabled())

self.assertFalse(context.is_c_enabled())

context.enable_c(True)

bson.set_context(context)

finally:

bson.unlock(sv_context)

def test_enable_c_message(self): # |:mth:|

collection_name = 'test_enable_c_message'

docs = [SON({'a': 'b'})]

check_keys = True

safe = False

last_error_args = dict()

uuid_subtype = bson.OLD_UUID_SUBTYPE

with_c_results = []

without_c_results = []

def check_test_enable_c_message(results):

continue_on_error = True

result = pymongo.message.insert(

collection_name, docs, check_keys,

safe, last_error_args, continue_on_error, uuid_subtype, None)[1]

result = result[:4] + result[9:]

results.append(result)

upsert = True

multi = False

spec = { '_id': 'hello' }

doc = docs[0]

result = pymongo.message.update(

collection_name, upsert, multi,

spec, doc, safe, last_error_args, check_keys, uuid_subtype, None)[1]

result = result[:4] + result[9:]

results.append(result)

options = 0

num_to_skip = 2

num_to_return = 1

query = { '_id': 'hello' }

result = pymongo.message.query(

options, collection_name, num_to_skip,

num_to_return, query, None,

uuid_subtype, None)[1]

result = result[:4] + result[9:]

results.append(result)

cursor_id = 555

result = pymongo.message.get_more(

collection_name, num_to_return, cursor_id, None)[1]

result = result[:4] + result[9:]

results.append(result)

sv_context = bson.lock()

try:

context = bson.get_context()

context.enable_c(True)

bson.set_context(context)

check_test_enable_c_message(with_c_results)

context.enable_c(False)

bson.set_context(context)

check_test_enable_c_message(without_c_results)

for indx, result in enumerate(with_c_results):

self.assertEqual(result, without_c_results[indx])

finally:

bson.unlock(sv_context)

def test_explicit_context(self): # |:mth:|

collection_name = 'test_explicit_context'

docs = [SON({'a': 'b'})]

check_keys = True

safe = False

last_error_args = dict()

uuid_subtype = bson.OLD_UUID_SUBTYPE

continue_on_error = True

sv_context = bson.lock()

if True:

sv_check_context = bson.check_context

sv_message_check_context = pymongo.message.check_context

sv_message_insert = pymongo.message.insert

last_context_vector_was_c = []

def dbg_insert(*args, **kwargs):

ctx = bson._context

if ctx is not None:

#print(repr(ctx._insert_message))

last_context_vector_was_c.append(repr(ctx._insert_message).startswith('<built-in function'))

else:

last_context_vector_was_c.append(None)

import traceback

traceback.print_stack()

return sv_message_insert(*args, **kwargs)

try:

if True:

bson.check_context = bson.dbg_check_context_required

pymongo.message.check_context = bson.dbg_check_context_required

pymongo.message.insert = dbg_insert

context = bson.get_context()

context.enable_c(True)

bson.set_context(context)

result_c = pymongo.message.insert(

collection_name, docs, check_keys,

safe, last_error_args, continue_on_error, uuid_subtype, None)[1]

result_c = result_c[:4] + result_c[9:]

self.assertTrue(last_context_vector_was_c[-1])

context.enable_c(False)

bson.set_context(context)

result_p = pymongo.message.insert(

collection_name, docs, check_keys,

safe, last_error_args, continue_on_error, uuid_subtype, None)[1]

result_p = result_p[:4] + result_p[9:]

self.assertFalse(last_context_vector_was_c[-1])

self.assertEqual(result_c, result_p)

finally:

pymongo.message.insert = sv_message_insert

if True:

pymongo.message.check_context = sv_message_check_context

bson.check_context = sv_check_context

bson.unlock(sv_context)

unittest.main()

# :ide: COMPILE: Run with python3 --verbose

# . (progn (save-buffer) (compile (concat "python3 ./" (file-name-nondirectory (buffer-file-name)) " --verbose")))

# :ide: COMPILE: Run with --verbose

# . (progn (save-buffer) (compile (concat "python ./" (file-name-nondirectory (buffer-file-name)) " --verbose")))

FilesExpand file tree

pymongo_context.py

Latest commit

History

pymongo_context.py

File metadata and controls