def find_fixtures(self, fixture_label, fixture_dirs): """ Search for fixture_label in fixture_dirs. Returns list of tuples. In each tuple first element is fixture's full path, second element is compression format. """ fixtures = [] for fixture_dir in fixture_dirs: if self.verbosity >= 2: self.stdout.write("Checking %s for fixtures...\n" % humanize(fixture_dir)) label_found = False for combo in product(["json"], self.compression_formats): format, compression_format = combo file_name = ".".join(p for p in [self.fixture_name, format, compression_format] if p) if self.verbosity >= 3: self.stdout.write( "Trying %s for %s fixture '%s'...\n" % (humanize(fixture_dir), file_name, self.fixture_name) ) full_path = os.path.join(fixture_dir, file_name) try: fixture = open_fixture(full_path, compression_format) except IOError: if self.verbosity >= 2: self.stdout.write( "No %s fixture '%s' in %s.\n" % (format, self.fixture_name, humanize(fixture_dir)) ) else: try: if label_found: self.stderr.write( "Multiple fixtures named '%s' in %s. Aborting.\n" % (self.fixture_name, humanize(fixture_dir)) ) return fixtures.append((full_path, compression_format)) if self.verbosity >= 2: self.stdout.write( "Installing %s fixture '%s' from %s.\n" % (format, self.fixture_name, humanize(fixture_dir)) ) label_found = True finally: fixture.close() return fixtures
def find_fixtures(self, fixture_label, fixture_dirs): """ Search for fixture_label in fixture_dirs. Returns list of tuples. In each tuple first element is fixture's full path, second element is compression format. """ fixtures = [] for fixture_dir in fixture_dirs: if self.verbosity >= 2: self.stdout.write("Checking %s for fixtures...\n" % humanize(fixture_dir)) label_found = False for combo in product(['json'], self.compression_formats): format, compression_format = combo file_name = '.'.join( p for p in [ self.fixture_name, format, compression_format ] if p ) if self.verbosity >= 3: self.stdout.write("Trying %s for %s fixture '%s'...\n" % \ (humanize(fixture_dir), file_name, self.fixture_name)) full_path = os.path.join(fixture_dir, file_name) try: fixture = open_fixture(full_path, compression_format) except IOError: if self.verbosity >= 2: self.stdout.write("No %s fixture '%s' in %s.\n" % \ (format, self.fixture_name, humanize(fixture_dir))) else: try: if label_found: self.stderr.write("Multiple fixtures named '%s' in %s. Aborting.\n" % (self.fixture_name, humanize(fixture_dir))) return fixtures.append((full_path, compression_format)) if self.verbosity >= 2: self.stdout.write("Installing %s fixture '%s' from %s.\n" % \ (format, self.fixture_name, humanize(fixture_dir))) label_found = True finally: fixture.close() return fixtures
def handle(self, *fixture_labels, **options): using = options.get('database', DEFAULT_DB_ALIAS) connection = connections[using] self.style = no_style() verbosity = int(options.get('verbosity', 1)) show_traceback = options.get('traceback', False) # commit is a stealth option - it isn't really useful as # a command line option, but it can be useful when invoking # loaddata from within another script. # If commit=True, loaddata will use its own transaction; # if commit=False, the data load SQL will become part of # the transaction in place when loaddata was invoked. commit = options.get('commit', True) # Keep a count of the installed objects and fixtures fixture_count = 0 loaded_object_count = 0 fixture_object_count = 0 models = set() humanize = lambda dirname: dirname and "'%s'" % dirname or 'absolute path' # Get a cursor (even though we don't need one yet). This has # the side effect of initializing the test database (if # it isn't already initialized). cursor = connection.cursor() # Start transaction management. All fixtures are installed in a # single transaction to ensure that all references are resolved. if commit: transaction.commit_unless_managed(using=using) transaction.enter_transaction_management(using=using) transaction.managed(True, using=using) class SingleZipReader(zipfile.ZipFile): def __init__(self, *args, **kwargs): zipfile.ZipFile.__init__(self, *args, **kwargs) if settings.DEBUG: assert len( self.namelist() ) == 1, "Zip-compressed fixtures must contain only one file." def read(self): return zipfile.ZipFile.read(self, self.namelist()[0]) compression_types = { None: file, 'gz': gzip.GzipFile, 'zip': SingleZipReader } if has_bz2: compression_types['bz2'] = bz2.BZ2File app_module_paths = [] for app in get_apps(): if hasattr(app, '__path__'): # It's a 'models/' subpackage for path in app.__path__: app_module_paths.append(path) else: # It's a models.py module app_module_paths.append(app.__file__) app_fixtures = [ os.path.join(os.path.dirname(path), 'fixtures') for path in app_module_paths ] for fixture_label in fixture_labels: parts = fixture_label.split('.') if len(parts) > 1 and parts[-1] in compression_types: compression_formats = [parts[-1]] parts = parts[:-1] else: compression_formats = compression_types.keys() if len(parts) == 1: fixture_name = parts[0] formats = serializers.get_public_serializer_formats() else: fixture_name, format = '.'.join(parts[:-1]), parts[-1] if format in serializers.get_public_serializer_formats(): formats = [format] else: formats = [] if formats: if verbosity > 1: self.stdout.write("Loading '%s' fixtures...\n" % fixture_name) else: self.stderr.write( self.style.ERROR( "Problem installing fixture '%s': %s is not a known serialization format.\n" % (fixture_name, format))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return if os.path.isabs(fixture_name): fixture_dirs = [fixture_name] else: fixture_dirs = app_fixtures + list( settings.FIXTURE_DIRS) + [''] for fixture_dir in fixture_dirs: if verbosity > 1: self.stdout.write("Checking %s for fixtures...\n" % humanize(fixture_dir)) label_found = False for combo in product([using, None], formats, compression_formats): database, format, compression_format = combo file_name = '.'.join( p for p in [fixture_name, database, format, compression_format] if p) if verbosity > 1: self.stdout.write("Trying %s for %s fixture '%s'...\n" % \ (humanize(fixture_dir), file_name, fixture_name)) full_path = os.path.join(fixture_dir, file_name) open_method = compression_types[compression_format] try: fixture = open_method(full_path, 'r') if label_found: fixture.close() self.stderr.write( self.style.ERROR( "Multiple fixtures named '%s' in %s. Aborting.\n" % (fixture_name, humanize(fixture_dir)))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management( using=using) return else: fixture_count += 1 objects_in_fixture = 0 loaded_objects_in_fixture = 0 if verbosity > 0: self.stdout.write("Installing %s fixture '%s' from %s.\n" % \ (format, fixture_name, humanize(fixture_dir))) try: objects = serializers.deserialize(format, fixture, using=using) for obj in objects: objects_in_fixture += 1 if router.allow_syncdb( using, obj.object.__class__): loaded_objects_in_fixture += 1 models.add(obj.object.__class__) obj.save(using=using) loaded_object_count += loaded_objects_in_fixture fixture_object_count += objects_in_fixture label_found = True except (SystemExit, KeyboardInterrupt): raise except Exception: import traceback fixture.close() if commit: transaction.rollback(using=using) transaction.leave_transaction_management( using=using) if show_traceback: traceback.print_exc() else: self.stderr.write( self.style.ERROR( "Problem installing fixture '%s': %s\n" % (full_path, ''.join( traceback.format_exception( sys.exc_type, sys.exc_value, sys.exc_traceback))))) return fixture.close() # If the fixture we loaded contains 0 objects, assume that an # error was encountered during fixture loading. if objects_in_fixture == 0: self.stderr.write( self.style.ERROR( "No fixture data found for '%s'. (File format may be invalid.)\n" % (fixture_name))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management( using=using) return except Exception, e: if verbosity > 1: self.stdout.write("No %s fixture '%s' in %s.\n" % \ (format, fixture_name, humanize(fixture_dir)))
def handle(self, *fixture_labels, **options): using = options.get('database') connection = connections[using] self.style = no_style() verbosity = int(options.get('verbosity')) show_traceback = options.get('traceback') # commit is a stealth option - it isn't really useful as # a command line option, but it can be useful when invoking # loaddata from within another script. # If commit=True, loaddata will use its own transaction; # if commit=False, the data load SQL will become part of # the transaction in place when loaddata was invoked. commit = options.get('commit', True) # Keep a count of the installed objects and fixtures fixture_count = 0 loaded_object_count = 0 fixture_object_count = 0 models = set() humanize = lambda dirname: dirname and "'%s'" % dirname or 'absolute path' # Get a cursor (even though we don't need one yet). This has # the side effect of initializing the test database (if # it isn't already initialized). cursor = connection.cursor() # Start transaction management. All fixtures are installed in a # single transaction to ensure that all references are resolved. if commit: transaction.commit_unless_managed(using=using) transaction.enter_transaction_management(using=using) transaction.managed(True, using=using) class SingleZipReader(zipfile.ZipFile): def __init__(self, *args, **kwargs): zipfile.ZipFile.__init__(self, *args, **kwargs) if settings.DEBUG: assert len(self.namelist()) == 1, "Zip-compressed fixtures must contain only one file." def read(self): return zipfile.ZipFile.read(self, self.namelist()[0]) compression_types = { None: open, 'gz': gzip.GzipFile, 'zip': SingleZipReader } if has_bz2: compression_types['bz2'] = bz2.BZ2File app_module_paths = [] for app in get_apps(): if hasattr(app, '__path__'): # It's a 'models/' subpackage for path in app.__path__: app_module_paths.append(path) else: # It's a models.py module app_module_paths.append(app.__file__) app_fixtures = [os.path.join(os.path.dirname(path), 'fixtures') for path in app_module_paths] for fixture_label in fixture_labels: parts = fixture_label.split('.') if len(parts) > 1 and parts[-1] in compression_types: compression_formats = [parts[-1]] parts = parts[:-1] else: compression_formats = compression_types.keys() if len(parts) == 1: fixture_name = parts[0] formats = serializers.get_public_serializer_formats() else: fixture_name, format = '.'.join(parts[:-1]), parts[-1] if format in serializers.get_public_serializer_formats(): formats = [format] else: formats = [] if formats: if verbosity >= 2: self.stdout.write("Loading '%s' fixtures...\n" % fixture_name) else: self.stderr.write( self.style.ERROR("Problem installing fixture '%s': %s is not a known serialization format.\n" % (fixture_name, format))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return if os.path.isabs(fixture_name): fixture_dirs = [fixture_name] else: fixture_dirs = app_fixtures + list(settings.FIXTURE_DIRS) + [''] for fixture_dir in fixture_dirs: if verbosity >= 2: self.stdout.write("Checking %s for fixtures...\n" % humanize(fixture_dir)) label_found = False for combo in product([using, None], formats, compression_formats): database, format, compression_format = combo file_name = '.'.join( p for p in [ fixture_name, database, format, compression_format ] if p ) if verbosity >= 3: self.stdout.write("Trying %s for %s fixture '%s'...\n" % \ (humanize(fixture_dir), file_name, fixture_name)) full_path = os.path.join(fixture_dir, file_name) open_method = compression_types[compression_format] try: fixture = open_method(full_path, 'r') if label_found: fixture.close() self.stderr.write(self.style.ERROR("Multiple fixtures named '%s' in %s. Aborting.\n" % (fixture_name, humanize(fixture_dir)))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return else: fixture_count += 1 objects_in_fixture = 0 loaded_objects_in_fixture = 0 if verbosity >= 2: self.stdout.write("Installing %s fixture '%s' from %s.\n" % \ (format, fixture_name, humanize(fixture_dir))) try: objects = serializers.deserialize(format, fixture, using=using) with connection.constraint_checks_disabled(): for obj in objects: objects_in_fixture += 1 if router.allow_syncdb(using, obj.object.__class__): loaded_objects_in_fixture += 1 models.add(obj.object.__class__) try: obj.save(using=using) except (DatabaseError, IntegrityError), e: msg = "Could not load %(app_label)s.%(object_name)s(pk=%(pk)s): %(error_msg)s" % { 'app_label': obj.object._meta.app_label, 'object_name': obj.object._meta.object_name, 'pk': obj.object.pk, 'error_msg': e } raise e.__class__, e.__class__(msg), sys.exc_info()[2] # Since we disabled constraint checks, we must manually check for # any invalid keys that might have been added table_names = [model._meta.db_table for model in models] connection.check_constraints(table_names=table_names) loaded_object_count += loaded_objects_in_fixture fixture_object_count += objects_in_fixture label_found = True except (SystemExit, KeyboardInterrupt): raise except Exception: import traceback fixture.close() if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) if show_traceback: traceback.print_exc() else: self.stderr.write( self.style.ERROR("Problem installing fixture '%s': %s\n" % (full_path, ''.join(traceback.format_exception(sys.exc_type, sys.exc_value, sys.exc_traceback))))) return fixture.close() # If the fixture we loaded contains 0 objects, assume that an # error was encountered during fixture loading. if objects_in_fixture == 0: self.stderr.write( self.style.ERROR("No fixture data found for '%s'. (File format may be invalid.)\n" % (fixture_name))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return except Exception, e: if verbosity >= 2: self.stdout.write("No %s fixture '%s' in %s.\n" % \ (format, fixture_name, humanize(fixture_dir)))
def load_fixture(self, fixture_label, using, commit=True): fixture_count = 0 loaded_object_count = 0 fixture_object_count = 0 models = set() parts = fixture_label.split('.') if len(parts) > 1 and parts[-1] in compression_types: compression_formats = [parts[-1]] parts = parts[:-1] else: compression_formats = compression_types.keys() if len(parts) == 1: fixture_name = parts[0] formats = serializers.get_public_serializer_formats() else: fixture_name, format = '.'.join(parts[:-1]), parts[-1] if format in serializers.get_public_serializer_formats(): formats = [format] else: formats = [] if formats: if self.verbosity >= 2: self.stdout.write("Loading '%s' fixtures...\n" % fixture_name) else: self.stderr.write( self.style.ERROR("Problem installing fixture '%s': %s is not a known serialization format.\n" % (fixture_name, format))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return if os.path.isabs(fixture_name): fixture_dirs = [fixture_name] else: fixture_dirs = self.get_app_fixtures() + list(settings.FIXTURE_DIRS) + [''] for fixture_dir in fixture_dirs: if self.verbosity >= 2: self.stdout.write("Checking %s for fixtures...\n" % humanize(fixture_dir)) label_found = False for combo in product([using, None], formats, compression_formats): database, format, compression_format = combo file_name = '.'.join( p for p in [ fixture_name, database, format, compression_format ] if p ) if self.verbosity >= 3: self.stdout.write("Trying %s for %s fixture '%s'...\n" % \ (humanize(fixture_dir), file_name, fixture_name)) full_path = os.path.join(fixture_dir, file_name) open_method = compression_types[compression_format] try: fixture = open_method(full_path, 'r') except IOError: if self.verbosity >= 2: self.stdout.write("No %s fixture '%s' in %s.\n" % \ (format, fixture_name, humanize(fixture_dir))) continue try: if label_found: self.stderr.write(self.style.ERROR("Multiple fixtures named '%s' in %s. Aborting.\n" % (fixture_name, humanize(fixture_dir)))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return fixture_count += 1 objects_in_fixture = 0 loaded_objects_in_fixture = 0 if self.verbosity >= 2: self.stdout.write("Installing %s fixture '%s' from %s.\n" % \ (format, fixture_name, humanize(fixture_dir))) objects = serializers.deserialize(format, fixture, using=using) for obj in objects: objects_in_fixture += 1 if router.allow_syncdb(using, obj.object.__class__): loaded_objects_in_fixture += 1 models.add(obj.object.__class__) try: obj.save(using=using) except (DatabaseError, IntegrityError), e: msg = "Could not load %(app_label)s.%(object_name)s(pk=%(pk)s): %(error_msg)s" % { 'app_label': obj.object._meta.app_label, 'object_name': obj.object._meta.object_name, 'pk': obj.object.pk, 'error_msg': e } raise e.__class__, e.__class__(msg), sys.exc_info()[2] loaded_object_count += loaded_objects_in_fixture fixture_object_count += objects_in_fixture label_found = True except (SystemExit, KeyboardInterrupt): raise except Exception: if self.show_traceback: traceback.print_exc() else: self.stderr.write( self.style.ERROR("Problem installing fixture '%s': %s\n" % (full_path, ''.join(traceback.format_exception(sys.exc_type, sys.exc_value, sys.exc_traceback)))))
def tables_used_by_fixtures(fixture_labels, using=DEFAULT_DB_ALIAS): """Act like Django's stock loaddata command, but, instead of loading data, return an iterable of the names of the tables into which data would be loaded.""" # Keep a count of the installed objects and fixtures fixture_count = 0 loaded_object_count = 0 fixture_object_count = 0 tables = set() class SingleZipReader(zipfile.ZipFile): def __init__(self, *args, **kwargs): zipfile.ZipFile.__init__(self, *args, **kwargs) if settings.DEBUG: assert len(self.namelist()) == 1, "Zip-compressed fixtures must contain only one file." def read(self): return zipfile.ZipFile.read(self, self.namelist()[0]) compression_types = { None: file, 'gz': gzip.GzipFile, 'zip': SingleZipReader } if has_bz2: compression_types['bz2'] = bz2.BZ2File app_module_paths = [] for app in get_apps(): if hasattr(app, '__path__'): # It's a 'models/' subpackage for path in app.__path__: app_module_paths.append(path) else: # It's a models.py module app_module_paths.append(app.__file__) app_fixtures = [os.path.join(os.path.dirname(path), 'fixtures') for path in app_module_paths] for fixture_label in fixture_labels: parts = fixture_label.split('.') if len(parts) > 1 and parts[-1] in compression_types: compression_formats = [parts[-1]] parts = parts[:-1] else: compression_formats = list(compression_types.keys()) if len(parts) == 1: fixture_name = parts[0] formats = serializers.get_public_serializer_formats() else: fixture_name, format = '.'.join(parts[:-1]), parts[-1] if format in serializers.get_public_serializer_formats(): formats = [format] else: formats = [] if not formats: # stderr.write(style.ERROR("Problem installing fixture '%s': %s is # not a known serialization format.\n" % (fixture_name, format))) return set() if os.path.isabs(fixture_name): fixture_dirs = [fixture_name] else: fixture_dirs = app_fixtures + list(settings.FIXTURE_DIRS) + [''] for fixture_dir in fixture_dirs: # stdout.write("Checking %s for fixtures...\n" % # humanize(fixture_dir)) label_found = False for combo in product([using, None], formats, compression_formats): database, format, compression_format = combo file_name = '.'.join( p for p in [ fixture_name, database, format, compression_format ] if p ) # stdout.write("Trying %s for %s fixture '%s'...\n" % \ # (humanize(fixture_dir), file_name, fixture_name)) full_path = os.path.join(fixture_dir, file_name) open_method = compression_types[compression_format] try: fixture = open_method(full_path, 'r') if label_found: fixture.close() # stderr.write(style.ERROR("Multiple fixtures named # '%s' in %s. Aborting.\n" % (fixture_name, # humanize(fixture_dir)))) return set() else: fixture_count += 1 objects_in_fixture = 0 loaded_objects_in_fixture = 0 # stdout.write("Installing %s fixture '%s' from %s.\n" # % (format, fixture_name, humanize(fixture_dir))) try: objects = serializers.deserialize(format, fixture, using=using) for obj in objects: objects_in_fixture += 1 if router.allow_syncdb(using, obj.object.__class__): loaded_objects_in_fixture += 1 tables.add( obj.object.__class__._meta.db_table) loaded_object_count += loaded_objects_in_fixture fixture_object_count += objects_in_fixture label_found = True except (SystemExit, KeyboardInterrupt): raise except Exception: fixture.close() # stderr.write( style.ERROR("Problem installing # fixture '%s': %s\n" % (full_path, ''.join(tra # ceback.format_exception(sys.exc_type, # sys.exc_value, sys.exc_traceback))))) return set() fixture.close() # If the fixture we loaded contains 0 objects, assume that an # error was encountered during fixture loading. if objects_in_fixture == 0: # stderr.write( style.ERROR("No fixture data found # for '%s'. (File format may be invalid.)\n" % # (fixture_name))) return set() except Exception: # stdout.write("No %s fixture '%s' in %s.\n" % \ (format, # fixture_name, humanize(fixture_dir))) pass return tables
def get_posting_list(cls, movie_id): try: return cls.objects.get(movie_id=movie_id).scores except MMovieVectorTable.DoesNotExist: return None if __name__ == "__main__": list_of_mmovies = MMovieVector.objects.all() list_of_mmovie_vectors = [] for mm in list_of_mmovies: list_of_mmovie_vectors.append(mm.to_movie_vector()) # list_of_mmovie_vectors=list_of_mmovie_vectors[1:5] boosts = {'movie_name':0,'subcates':0.04, 'directors':0.36, 'casts':0.36,\ 'location':0.07, 'release_date':0.01, 'imdb_score':0.01,\ 'is_HD':0, 'is_free':0, 'is_single_movie':0,'view_count':0.4} #t1 = time.time() for m1 , m2 in product(list_of_mmovie_vectors, list_of_mmovie_vectors): t1 = time.time() if m2['movie_id'] > m1['movie_id']: score = MMovieVectorTable.calc_2movie_score(m1, m2, **boosts) if score > 0.25: MMovieVectorTable.add_or_update_movie_score(m1['movie_id'], m2['movie_id'], score) #print "[%d - % d] : %f" %(m1['movie_id'], m2['movie_id'], score) #print (time.time()-t1)*1000 list_of_results = MMovieVectorTable.objects.all() for i in list_of_results: print i.movie_id, len(i.scores)
def handle(self, *fixture_labels, **options): using = options.get('database') connection = connections[using] self.style = no_style() if not len(fixture_labels): self.stderr.write( self.style.ERROR("No database fixture specified. Please provide the path of at least one fixture in the command line.\n") ) return verbosity = int(options.get('verbosity')) show_traceback = options.get('traceback') # commit is a stealth option - it isn't really useful as # a command line option, but it can be useful when invoking # loaddata from within another script. # If commit=True, loaddata will use its own transaction; # if commit=False, the data load SQL will become part of # the transaction in place when loaddata was invoked. commit = options.get('commit', True) # Keep a count of the installed objects and fixtures fixture_count = 0 loaded_object_count = 0 fixture_object_count = 0 models = set() humanize = lambda dirname: "'%s'" % dirname if dirname else 'absolute path' # Get a cursor (even though we don't need one yet). This has # the side effect of initializing the test database (if # it isn't already initialized). cursor = connection.cursor() # Start transaction management. All fixtures are installed in a # single transaction to ensure that all references are resolved. if commit: transaction.commit_unless_managed(using=using) transaction.enter_transaction_management(using=using) transaction.managed(True, using=using) class SingleZipReader(zipfile.ZipFile): def __init__(self, *args, **kwargs): zipfile.ZipFile.__init__(self, *args, **kwargs) if settings.DEBUG: assert len(self.namelist()) == 1, "Zip-compressed fixtures must contain only one file." def read(self): return zipfile.ZipFile.read(self, self.namelist()[0]) compression_types = { None: open, 'gz': gzip.GzipFile, 'zip': SingleZipReader } if has_bz2: compression_types['bz2'] = bz2.BZ2File app_module_paths = [] for app in get_apps(): if hasattr(app, '__path__'): # It's a 'models/' subpackage for path in app.__path__: app_module_paths.append(path) else: # It's a models.py module app_module_paths.append(app.__file__) app_fixtures = [os.path.join(os.path.dirname(path), 'fixtures') for path in app_module_paths] try: with connection.constraint_checks_disabled(): for fixture_label in fixture_labels: parts = fixture_label.split('.') if len(parts) > 1 and parts[-1] in compression_types: compression_formats = [parts[-1]] parts = parts[:-1] else: compression_formats = compression_types.keys() if len(parts) == 1: fixture_name = parts[0] formats = serializers.get_public_serializer_formats() else: fixture_name, format = '.'.join(parts[:-1]), parts[-1] if format in serializers.get_public_serializer_formats(): formats = [format] else: formats = [] if formats: if verbosity >= 2: self.stdout.write("Loading '%s' fixtures...\n" % fixture_name) else: self.stderr.write( self.style.ERROR("Problem installing fixture '%s': %s is not a known serialization format.\n" % (fixture_name, format))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return if os.path.isabs(fixture_name): fixture_dirs = [fixture_name] else: fixture_dirs = app_fixtures + list(settings.FIXTURE_DIRS) + [''] for fixture_dir in fixture_dirs: if verbosity >= 2: self.stdout.write("Checking %s for fixtures...\n" % humanize(fixture_dir)) label_found = False for combo in product([using, None], formats, compression_formats): database, format, compression_format = combo file_name = '.'.join( p for p in [ fixture_name, database, format, compression_format ] if p ) if verbosity >= 3: self.stdout.write("Trying %s for %s fixture '%s'...\n" %\ (humanize(fixture_dir), file_name, fixture_name)) full_path = os.path.join(fixture_dir, file_name) open_method = compression_types[compression_format] try: fixture = open_method(full_path, 'r') except IOError: if verbosity >= 2: self.stdout.write("No %s fixture '%s' in %s.\n" %\ (format, fixture_name, humanize(fixture_dir))) else: try: if label_found: self.stderr.write(self.style.ERROR("Multiple fixtures named '%s' in %s. Aborting.\n" % (fixture_name, humanize(fixture_dir)))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return fixture_count += 1 objects_in_fixture = 0 loaded_objects_in_fixture = 0 if verbosity >= 2: self.stdout.write("Installing %s fixture '%s' from %s.\n" %\ (format, fixture_name, humanize(fixture_dir))) objects = serializers.deserialize(format, fixture, using=using) object_write_buffer = {} for obj in objects: objects_in_fixture += 1 if router.allow_syncdb(using, obj.object.__class__): loaded_objects_in_fixture += 1 models.add(obj.object.__class__) try: obj.save(using=using) #todo The commented code below (and after the except) should activate an alternative save that is done in bulk. Not working yet... # the_model = type(obj.object) # if the_model not in object_write_buffer: # object_write_buffer.update({the_model:[]}) # item = {} # item.update( {'account':obj.object.account}) # for field in obj.object._meta.fields: # item.update( {field.attname : getattr(obj.object, field.attname ) } ) # object_write_buffer[the_model].append(item) # if len(object_write_buffer[the_model]) > 500: # the_model.objects.bulk_insert(object_write_buffer[the_model]) # object_write_buffer[the_model]=[] except (DatabaseError, IntegrityError), e: msg = "Could not load %(app_label)s.%(object_name)s(pk=%(pk)s): %(error_msg)s" % { 'app_label': obj.object._meta.app_label, 'object_name': obj.object._meta.object_name, 'pk': obj.object.pk, 'error_msg': e } raise e.__class__, e.__class__(msg), sys.exc_info()[2] # for the_model in object_write_buffer.keys(): # if len(object_write_buffer[the_model]) > 0: # the_model.objects.bulk_insert(object_write_buffer[the_model]) # object_write_buffer[the_model]=[] loaded_object_count += loaded_objects_in_fixture fixture_object_count += objects_in_fixture label_found = True finally: fixture.close() # If the fixture we loaded contains 0 objects, assume that an # error was encountered during fixture loading. if objects_in_fixture == 0: self.stderr.write( self.style.ERROR("No fixture data found for '%s'. (File format may be invalid.)\n" % (fixture_name))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return except (SystemExit, KeyboardInterrupt): raise except Exception: if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) if show_traceback: traceback.print_exc() else: self.stderr.write( self.style.ERROR("Problem installing fixture '%s': %s\n" % (full_path, ''.join(traceback.format_exception(sys.exc_type, sys.exc_value, sys.exc_traceback))))) return # If we found even one object in a fixture, we need to reset the # database sequences. if loaded_object_count > 0: sequence_sql = connection.ops.sequence_reset_sql(self.style, models) if sequence_sql: if verbosity >= 2: self.stdout.write("Resetting sequences\n") for line in sequence_sql: cursor.execute(line) if commit: transaction.commit(using=using) transaction.leave_transaction_management(using=using) if verbosity >= 1: if fixture_object_count == loaded_object_count: self.stdout.write("Installed %d object(s) from %d fixture(s)\n" % ( loaded_object_count, fixture_count)) else: self.stdout.write("Installed %d object(s) (of %d) from %d fixture(s)\n" % ( loaded_object_count, fixture_object_count, fixture_count)) # Close the DB connection. This is required as a workaround for an # edge case in MySQL: if the same connection is used to # create tables, load data, and query, the query can return # incorrect results. See Django #7572, MySQL #37735. if commit: connection.close()
def handle(self, *fixture_labels, **options): ''' All database code is unnecessary but remove it will broke. ''' #TODO remove database, connection code and stuff using = options.get('database') connection = connections[using] self.style = no_style() if not len(fixture_labels): print("No database fixture specified. Please provide the path of at least one fixture in the command line.\n") return verbosity = int(options.get('verbosity')) show_traceback = options.get('traceback') # commit is a stealth option - it isn't really useful as # a command line option, but it can be useful when invoking # loaddata from within another script. # If commit=True, loaddata will use its own transaction; # if commit=False, the data load SQL will become part of # the transaction in place when loaddata was invoked. commit = options.get('commit', True) # Keep a count of the installed objects and fixtures fixture_count = 0 loaded_object_count = 0 fixture_object_count = 0 models = set() humanize = lambda dirname: "'%s'" % dirname if dirname else 'absolute path' # Get a cursor (even though we don't need one yet). This has # the side effect of initializing the test database (if # it isn't already initialized). cursor = connection.cursor() # Start transaction management. All fixtures are installed in a # single transaction to ensure that all references are resolved. if commit: transaction.commit_unless_managed(using=using) transaction.enter_transaction_management(using=using) transaction.managed(True, using=using) class SingleZipReader(zipfile.ZipFile): def __init__(self, *args, **kwargs): zipfile.ZipFile.__init__(self, *args, **kwargs) if settings.DEBUG: assert len(self.namelist()) == 1, "Zip-compressed fixtures must contain only one file." def read(self): return zipfile.ZipFile.read(self, self.namelist()[0]) compression_types = { None: open, 'gz': gzip.GzipFile, 'zip': SingleZipReader } if has_bz2: compression_types['bz2'] = bz2.BZ2File app_module_paths = [] for app in get_apps(): if hasattr(app, '__path__'): # It's a 'models/' subpackage for path in app.__path__: app_module_paths.append(path) else: # It's a models.py module app_module_paths.append(app.__file__) app_fixtures = [os.path.join(os.path.dirname(path), 'fixtures') for path in app_module_paths] instances = [] apps = set() try: #with connection.constraint_checks_disabled(): for fixture_label in fixture_labels: parts = fixture_label.split('.') if len(parts) > 1 and parts[-1] in compression_types: compression_formats = [parts[-1]] parts = parts[:-1] else: compression_formats = compression_types.keys() if len(parts) == 1: fixture_name = parts[0] formats = serializers.get_public_serializer_formats() else: fixture_name, format = '.'.join(parts[:-1]), parts[-1] if format in serializers.get_public_serializer_formats(): formats = [format] else: formats = [] if formats: if verbosity >= 2: print("Loading '%s' fixtures...\n" % fixture_name) else: print("Problem installing fixture '%s': %s is not a known serialization format.\n" % (fixture_name, format)) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return if os.path.isabs(fixture_name): fixture_dirs = [fixture_name] else: fixture_dirs = app_fixtures + list(settings.FIXTURE_DIRS) + [''] for fixture_dir in fixture_dirs: if verbosity >= 2: self.stdout.write("Checking %s for fixtures...\n" % humanize(fixture_dir)) label_found = False for combo in product([using, None], formats, compression_formats): database, format, compression_format = combo file_name = '.'.join( p for p in [ fixture_name, database, format, compression_format ] if p ) if verbosity >= 3: self.stdout.write("Trying %s for %s fixture '%s'...\n" % \ (humanize(fixture_dir), file_name, fixture_name)) full_path = os.path.join(fixture_dir, file_name) open_method = compression_types[compression_format] try: fixture = open_method(full_path, 'r') except IOError: if verbosity >= 2: self.stdout.write("No %s fixture '%s' in %s.\n" % \ (format, fixture_name, humanize(fixture_dir))) else: try: if label_found: print("Multiple fixtures named '%s' in %s. Aborting.\n" % (fixture_name, humanize(fixture_dir))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return fixture_count += 1 objects_in_fixture = 0 loaded_objects_in_fixture = 0 if verbosity >= 2: self.stdout.write("Installing %s fixture '%s' from %s.\n" % \ (format, fixture_name, humanize(fixture_dir))) objects = serializers.deserialize(format, fixture, using=using) for obj in objects: objects_in_fixture += 1 if router.allow_syncdb(using, obj.object.__class__): loaded_objects_in_fixture += 1 models.add(obj.object.__class__) try: obj.object.save = partial(memory_save, obj.object) #if obj.object.__class__.__name__ == "PedidoExame": # import ipdb; ipdb.set_trace() ### XXX BREAKPOINT obj.object.save() instances.append(obj) except (DatabaseError, IntegrityError), e: msg = "Could not load %(app_label)s.%(object_name)s(pk=%(pk)s): %(error_msg)s" % { 'app_label': obj.object._meta.app_label, 'object_name': obj.object._meta.object_name, 'pk': obj.object.pk, 'error_msg': e } raise e.__class__, e.__class__(msg), sys.exc_info()[2] loaded_object_count += loaded_objects_in_fixture fixture_object_count += objects_in_fixture label_found = True finally: fixture.close() # If the fixture we loaded contains 0 objects, assume that an # error was encountered during fixture loading. if objects_in_fixture == 0: print("No fixture data found for '%s'. (File format may be invalid.)\n" % (fixture_name)) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return # Since we disabled constraint checks, we must manually check for # any invalid keys that might have been added table_names = [model._meta.db_table for model in models]
def handle(self, *fixture_labels, **options): using = options.get('database', DEFAULT_DB_ALIAS) connection = connections[using] self.style = no_style() verbosity = int(options.get('verbosity', 1)) show_traceback = options.get('traceback', False) # commit is a stealth option - it isn't really useful as # a command line option, but it can be useful when invoking # loaddata from within another script. # If commit=True, loaddata will use its own transaction; # if commit=False, the data load SQL will become part of # the transaction in place when loaddata was invoked. commit = options.get('commit', True) # Keep a count of the installed objects and fixtures fixture_count = 0 loaded_object_count = 0 fixture_object_count = 0 models = set() humanize = lambda dirname: dirname and "'%s'" % dirname or 'absolute path' # Get a cursor (even though we don't need one yet). This has # the side effect of initializing the test database (if # it isn't already initialized). cursor = connection.cursor() # Start transaction management. All fixtures are installed in a # single transaction to ensure that all references are resolved. if commit: transaction.commit_unless_managed(using=using) transaction.enter_transaction_management(using=using) transaction.managed(True, using=using) class SingleZipReader(zipfile.ZipFile): def __init__(self, *args, **kwargs): zipfile.ZipFile.__init__(self, *args, **kwargs) if settings.DEBUG: assert len(self.namelist()) == 1, "Zip-compressed fixtures must contain only one file." def read(self): return zipfile.ZipFile.read(self, self.namelist()[0]) compression_types = { None: file, 'gz': gzip.GzipFile, 'zip': SingleZipReader } if has_bz2: compression_types['bz2'] = bz2.BZ2File for fixture_label in fixture_labels: parts = fixture_label.split('.') if len(parts) > 1 and parts[-1] in compression_types: compression_formats = [parts[-1]] parts = parts[:-1] else: compression_formats = compression_types.keys() if len(parts) == 1: fixture_name = parts[0] formats = serializers.get_public_serializer_formats() else: fixture_name, format = '.'.join(parts[:-1]), parts[-1] if format in serializers.get_public_serializer_formats(): formats = [format] else: formats = [] if formats: if verbosity >= 2: self.stdout.write("Loading '%s' fixtures...\n" % fixture_name) else: self.stderr.write( self.style.ERROR("Problem installing fixture '%s': %s is not a known serialization format.\n" % (fixture_name, format))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return if os.path.isabs(fixture_name): fixture_dirs = [fixture_name] else: fixture_dirs = self._get_app_fixtures() + list(settings.FIXTURE_DIRS) + [''] for fixture_dir in fixture_dirs: if verbosity >= 2: self.stdout.write("Checking %s for fixtures...\n" % humanize(fixture_dir)) label_found = False for combo in product([using, None], formats, compression_formats): database, format, compression_format = combo file_name = '.'.join( p for p in [ fixture_name, database, format, compression_format ] if p ) if verbosity >= 3: self.stdout.write("Trying %s for %s fixture '%s'...\n" % \ (humanize(fixture_dir), file_name, fixture_name)) full_path = os.path.join(fixture_dir, file_name) open_method = compression_types[compression_format] try: fixture = open_method(full_path, 'r') if label_found: fixture.close() self.stderr.write(self.style.ERROR("Multiple fixtures named '%s' in %s. Aborting.\n" % (fixture_name, humanize(fixture_dir)))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return else: fixture_count += 1 objects_in_fixture = 0 loaded_objects_in_fixture = 0 if verbosity >= 2: self.stdout.write("Installing %s fixture '%s' from %s.\n" % \ (format, fixture_name, humanize(fixture_dir))) try: objects = serializers.deserialize(format, fixture, using=using) with connection.constraint_checks_disabled(): for obj in objects: objects_in_fixture += 1 if router.allow_syncdb(using, obj.object.__class__): loaded_objects_in_fixture += 1 models.add(obj.object.__class__) obj.save(using=using) # Since we disabled constraint checks, we must manually check for # any invalid keys that might have been added table_names = [model._meta.db_table for model in models] connection.check_constraints(table_names=table_names) loaded_object_count += loaded_objects_in_fixture fixture_object_count += objects_in_fixture label_found = True except (SystemExit, KeyboardInterrupt): raise except Exception: import traceback fixture.close() if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) if show_traceback: traceback.print_exc() else: self.stderr.write( self.style.ERROR("Problem installing fixture '%s': %s\n" % (full_path, ''.join(traceback.format_exception(sys.exc_type, sys.exc_value, sys.exc_traceback))))) return fixture.close() # If the fixture we loaded contains 0 objects, assume that an # error was encountered during fixture loading. if objects_in_fixture == 0: self.stderr.write( self.style.ERROR("No fixture data found for '%s'. (File format may be invalid.)\n" % (fixture_name))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return except Exception: if verbosity >= 2: self.stdout.write("No %s fixture '%s' in %s.\n" % \ (format, fixture_name, humanize(fixture_dir))) # If we found even one object in a fixture, we need to reset the # database sequences. if loaded_object_count > 0: sequence_sql = connection.ops.sequence_reset_sql(self.style, models) if sequence_sql: if verbosity >= 2: self.stdout.write("Resetting sequences\n") for line in sequence_sql: cursor.execute(line) if commit: transaction.commit(using=using) transaction.leave_transaction_management(using=using) if fixture_object_count == 0: if verbosity >= 1: self.stdout.write("No fixtures found.\n") else: if verbosity >= 1: if fixture_object_count == loaded_object_count: self.stdout.write("Installed %d object(s) from %d fixture(s)\n" % ( loaded_object_count, fixture_count)) else: self.stdout.write("Installed %d object(s) (of %d) from %d fixture(s)\n" % ( loaded_object_count, fixture_object_count, fixture_count)) # Close the DB connection. This is required as a workaround for an # edge case in MySQL: if the same connection is used to # create tables, load data, and query, the query can return # incorrect results. See Django #7572, MySQL #37735. if commit: connection.close()
def handle(self, *fixture_labels, **options): using = options.get('database') connection = connections[using] self.style = no_style() if not len(fixture_labels): self.stderr.write( self.style.ERROR( "No database fixture specified. Please provide the path of at least one fixture in the command line.\n" )) return verbosity = int(options.get('verbosity')) show_traceback = options.get('traceback') # commit is a stealth option - it isn't really useful as # a command line option, but it can be useful when invoking # loaddata from within another script. # If commit=True, loaddata will use its own transaction; # if commit=False, the data load SQL will become part of # the transaction in place when loaddata was invoked. commit = options.get('commit', True) # Keep a count of the installed objects and fixtures fixture_count = 0 loaded_object_count = 0 fixture_object_count = 0 models = set() humanize = lambda dirname: "'%s'" % dirname if dirname else 'absolute path' # Get a cursor (even though we don't need one yet). This has # the side effect of initializing the test database (if # it isn't already initialized). cursor = connection.cursor() # Start transaction management. All fixtures are installed in a # single transaction to ensure that all references are resolved. if commit: transaction.commit_unless_managed(using=using) transaction.enter_transaction_management(using=using) transaction.managed(True, using=using) class SingleZipReader(zipfile.ZipFile): def __init__(self, *args, **kwargs): zipfile.ZipFile.__init__(self, *args, **kwargs) if settings.DEBUG: assert len( self.namelist() ) == 1, "Zip-compressed fixtures must contain only one file." def read(self): return zipfile.ZipFile.read(self, self.namelist()[0]) compression_types = { None: open, 'gz': gzip.GzipFile, 'zip': SingleZipReader } if has_bz2: compression_types['bz2'] = bz2.BZ2File app_module_paths = [] for app in get_apps(): if hasattr(app, '__path__'): # It's a 'models/' subpackage for path in app.__path__: app_module_paths.append(path) else: # It's a models.py module app_module_paths.append(app.__file__) app_fixtures = [ os.path.join(os.path.dirname(path), 'fixtures') for path in app_module_paths ] try: with connection.constraint_checks_disabled(): for fixture_label in fixture_labels: parts = fixture_label.split('.') if len(parts) > 1 and parts[-1] in compression_types: compression_formats = [parts[-1]] parts = parts[:-1] else: compression_formats = compression_types.keys() if len(parts) == 1: fixture_name = parts[0] formats = serializers.get_public_serializer_formats() else: fixture_name, format = '.'.join(parts[:-1]), parts[-1] if format in serializers.get_public_serializer_formats( ): formats = [format] else: formats = [] if formats: if verbosity >= 2: self.stdout.write("Loading '%s' fixtures...\n" % fixture_name) else: self.stderr.write( self.style.ERROR( "Problem installing fixture '%s': %s is not a known serialization format.\n" % (fixture_name, format))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management( using=using) return if os.path.isabs(fixture_name): fixture_dirs = [fixture_name] else: fixture_dirs = app_fixtures + list( settings.FIXTURE_DIRS) + [''] for fixture_dir in fixture_dirs: if verbosity >= 2: self.stdout.write("Checking %s for fixtures...\n" % humanize(fixture_dir)) label_found = False for combo in product([using, None], formats, compression_formats): database, format, compression_format = combo file_name = '.'.join(p for p in [ fixture_name, database, format, compression_format ] if p) if verbosity >= 3: self.stdout.write("Trying %s for %s fixture '%s'...\n" %\ (humanize(fixture_dir), file_name, fixture_name)) full_path = os.path.join(fixture_dir, file_name) open_method = compression_types[compression_format] try: fixture = open_method(full_path, 'r') except IOError: if verbosity >= 2: self.stdout.write("No %s fixture '%s' in %s.\n" %\ (format, fixture_name, humanize(fixture_dir))) else: try: if label_found: self.stderr.write( self.style.ERROR( "Multiple fixtures named '%s' in %s. Aborting.\n" % (fixture_name, humanize(fixture_dir)))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management( using=using) return fixture_count += 1 objects_in_fixture = 0 loaded_objects_in_fixture = 0 if verbosity >= 2: self.stdout.write("Installing %s fixture '%s' from %s.\n" %\ (format, fixture_name, humanize(fixture_dir))) objects = serializers.deserialize( format, fixture, using=using) object_write_buffer = {} for obj in objects: objects_in_fixture += 1 if router.allow_syncdb( using, obj.object.__class__): loaded_objects_in_fixture += 1 models.add(obj.object.__class__) try: obj.save(using=using) #todo The commented code below (and after the except) should activate an alternative save that is done in bulk. Not working yet... # the_model = type(obj.object) # if the_model not in object_write_buffer: # object_write_buffer.update({the_model:[]}) # item = {} # item.update( {'account':obj.object.account}) # for field in obj.object._meta.fields: # item.update( {field.attname : getattr(obj.object, field.attname ) } ) # object_write_buffer[the_model].append(item) # if len(object_write_buffer[the_model]) > 500: # the_model.objects.bulk_insert(object_write_buffer[the_model]) # object_write_buffer[the_model]=[] except (DatabaseError, IntegrityError), e: msg = "Could not load %(app_label)s.%(object_name)s(pk=%(pk)s): %(error_msg)s" % { 'app_label': obj.object._meta.app_label, 'object_name': obj.object._meta. object_name, 'pk': obj.object.pk, 'error_msg': e } raise e.__class__, e.__class__( msg), sys.exc_info()[2] # for the_model in object_write_buffer.keys(): # if len(object_write_buffer[the_model]) > 0: # the_model.objects.bulk_insert(object_write_buffer[the_model]) # object_write_buffer[the_model]=[] loaded_object_count += loaded_objects_in_fixture fixture_object_count += objects_in_fixture label_found = True finally: fixture.close() # If the fixture we loaded contains 0 objects, assume that an # error was encountered during fixture loading. if objects_in_fixture == 0: self.stderr.write( self.style.ERROR( "No fixture data found for '%s'. (File format may be invalid.)\n" % (fixture_name))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management( using=using) return except (SystemExit, KeyboardInterrupt): raise except Exception: if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) if show_traceback: traceback.print_exc() else: self.stderr.write( self.style.ERROR("Problem installing fixture '%s': %s\n" % (full_path, ''.join( traceback.format_exception( sys.exc_type, sys.exc_value, sys.exc_traceback))))) return # If we found even one object in a fixture, we need to reset the # database sequences. if loaded_object_count > 0: sequence_sql = connection.ops.sequence_reset_sql( self.style, models) if sequence_sql: if verbosity >= 2: self.stdout.write("Resetting sequences\n") for line in sequence_sql: cursor.execute(line) if commit: transaction.commit(using=using) transaction.leave_transaction_management(using=using) if verbosity >= 1: if fixture_object_count == loaded_object_count: self.stdout.write( "Installed %d object(s) from %d fixture(s)\n" % (loaded_object_count, fixture_count)) else: self.stdout.write( "Installed %d object(s) (of %d) from %d fixture(s)\n" % (loaded_object_count, fixture_object_count, fixture_count)) # Close the DB connection. This is required as a workaround for an # edge case in MySQL: if the same connection is used to # create tables, load data, and query, the query can return # incorrect results. See Django #7572, MySQL #37735. if commit: connection.close()
def tables_used_by_fixtures(fixture_labels, using=DEFAULT_DB_ALIAS): """Act like Django's stock loaddata command, but, instead of loading data, return an iterable of the names of the tables into which data would be loaded.""" # Keep a count of the installed objects and fixtures fixture_count = 0 loaded_object_count = 0 fixture_object_count = 0 tables = set() class SingleZipReader(zipfile.ZipFile): def __init__(self, *args, **kwargs): zipfile.ZipFile.__init__(self, *args, **kwargs) if settings.DEBUG: assert len(self.namelist()) == 1, "Zip-compressed fixtures must contain only one file." def read(self): return zipfile.ZipFile.read(self, self.namelist()[0]) compression_types = { None: file, 'gz': gzip.GzipFile, 'zip': SingleZipReader } if has_bz2: compression_types['bz2'] = bz2.BZ2File app_module_paths = [] for app in get_apps(): if hasattr(app, '__path__'): # It's a 'models/' subpackage for path in app.__path__: app_module_paths.append(path) else: # It's a models.py module app_module_paths.append(app.__file__) app_fixtures = [os.path.join(os.path.dirname(path), 'fixtures') for path in app_module_paths] for fixture_label in fixture_labels: parts = fixture_label.split('.') if len(parts) > 1 and parts[-1] in compression_types: compression_formats = [parts[-1]] parts = parts[:-1] else: compression_formats = compression_types.keys() if len(parts) == 1: fixture_name = parts[0] formats = serializers.get_public_serializer_formats() else: fixture_name, format = '.'.join(parts[:-1]), parts[-1] if format in serializers.get_public_serializer_formats(): formats = [format] else: formats = [] if not formats: # stderr.write(style.ERROR("Problem installing fixture '%s': %s is # not a known serialization format.\n" % (fixture_name, format))) return set() if os.path.isabs(fixture_name): fixture_dirs = [fixture_name] else: fixture_dirs = app_fixtures + list(settings.FIXTURE_DIRS) + [''] for fixture_dir in fixture_dirs: # stdout.write("Checking %s for fixtures...\n" % # humanize(fixture_dir)) label_found = False for combo in product([using, None], formats, compression_formats): database, format, compression_format = combo file_name = '.'.join( p for p in [ fixture_name, database, format, compression_format ] if p ) # stdout.write("Trying %s for %s fixture '%s'...\n" % \ # (humanize(fixture_dir), file_name, fixture_name)) full_path = os.path.join(fixture_dir, file_name) open_method = compression_types[compression_format] try: fixture = open_method(full_path, 'r') if label_found: fixture.close() # stderr.write(style.ERROR("Multiple fixtures named # '%s' in %s. Aborting.\n" % (fixture_name, # humanize(fixture_dir)))) return set() else: fixture_count += 1 objects_in_fixture = 0 loaded_objects_in_fixture = 0 # stdout.write("Installing %s fixture '%s' from %s.\n" # % (format, fixture_name, humanize(fixture_dir))) try: objects = serializers.deserialize(format, fixture, using=using) for obj in objects: objects_in_fixture += 1 if router.allow_syncdb(using, obj.object.__class__): loaded_objects_in_fixture += 1 tables.add( obj.object.__class__._meta.db_table) loaded_object_count += loaded_objects_in_fixture fixture_object_count += objects_in_fixture label_found = True except (SystemExit, KeyboardInterrupt): raise except Exception: fixture.close() # stderr.write( style.ERROR("Problem installing # fixture '%s': %s\n" % (full_path, ''.join(tra # ceback.format_exception(sys.exc_type, # sys.exc_value, sys.exc_traceback))))) return set() fixture.close() # If the fixture we loaded contains 0 objects, assume that an # error was encountered during fixture loading. if objects_in_fixture == 0: # stderr.write( style.ERROR("No fixture data found # for '%s'. (File format may be invalid.)\n" % # (fixture_name))) return set() except Exception: # stdout.write("No %s fixture '%s' in %s.\n" % \ (format, # fixture_name, humanize(fixture_dir))) pass return tables
def handle(self, *fixture_labels, **options): self.style = no_style() verbosity = int(options.get('verbosity', 1)) show_traceback = options.get('traceback', False) # Keep a count of the installed objects and fixtures fixture_count = 0 loaded_object_count = 0 fixture_object_count = 0 models = set() humanize = lambda dirname: dirname and "'%s'" % dirname or 'absolute path' class SingleZipReader(zipfile.ZipFile): def __init__(self, *args, **kwargs): zipfile.ZipFile.__init__(self, *args, **kwargs) if settings.DEBUG: assert len(self.namelist()) == 1, "Zip-compressed fixtures must contain only one file." def read(self): return zipfile.ZipFile.read(self, self.namelist()[0]) compression_types = { None: file, 'gz': gzip.GzipFile, 'zip': SingleZipReader } if has_bz2: compression_types['bz2'] = bz2.BZ2File app_module_paths = [] for app in get_apps(): if hasattr(app, '__path__'): # It's a 'models/' subpackage for path in app.__path__: app_module_paths.append(path) else: # It's a models.py module app_module_paths.append(app.__file__) app_fixtures = [os.path.join(os.path.dirname(path), 'fixtures') for path in app_module_paths] for fixture_label in fixture_labels: parts = fixture_label.split('.') if len(parts) > 1 and parts[-1] in compression_types: compression_formats = [parts[-1]] parts = parts[:-1] else: compression_formats = compression_types.keys() if len(parts) == 1: fixture_name = parts[0] formats = serializers.get_public_serializer_formats() else: fixture_name, format = '.'.join(parts[:-1]), parts[-1] if format in serializers.get_public_serializer_formats(): formats = [format] else: formats = [] if formats: if verbosity >= 2: self.stdout.write("Loading '%s' fixtures...\n" % fixture_name) else: self.stderr.write( self.style.ERROR("Problem installing fixture '%s': %s is not a known serialization format.\n" % (fixture_name, format))) return if os.path.isabs(fixture_name): fixture_dirs = [fixture_name] else: fixture_dirs = app_fixtures + list(settings.FIXTURE_DIRS) + [''] for fixture_dir in fixture_dirs: if verbosity >= 2: self.stdout.write("Checking %s for fixtures...\n" % humanize(fixture_dir)) label_found = False for combo in product(formats, compression_formats): format, compression_format = combo file_name = '.'.join( p for p in [ fixture_name, format, compression_format ] if p ) if verbosity >= 3: self.stdout.write("Trying %s for %s fixture '%s'...\n" % \ (humanize(fixture_dir), file_name, fixture_name)) full_path = os.path.join(fixture_dir, file_name) open_method = compression_types[compression_format] try: fixture = open_method(full_path, 'r') if label_found: fixture.close() self.stderr.write(self.style.ERROR("Multiple fixtures named '%s' in %s. Aborting.\n" % (fixture_name, humanize(fixture_dir)))) return else: fixture_count += 1 objects_in_fixture = 0 loaded_objects_in_fixture = 0 if verbosity >= 2: self.stdout.write("Installing %s fixture '%s' from %s.\n" % \ (format, fixture_name, humanize(fixture_dir))) try: objects = serializers.deserialize(format, fixture) for obj in objects: objects_in_fixture += 1 loaded_objects_in_fixture += 1 models.add(obj.object.__class__) obj.save() loaded_object_count += loaded_objects_in_fixture fixture_object_count += objects_in_fixture label_found = True except (SystemExit, KeyboardInterrupt): raise except Exception: import traceback fixture.close() if show_traceback: traceback.print_exc() else: self.stderr.write( self.style.ERROR("Problem installing fixture '%s': %s\n" % (full_path, ''.join(traceback.format_exception(sys.exc_type, sys.exc_value, sys.exc_traceback))))) return fixture.close() # If the fixture we loaded contains 0 objects, assume that an # error was encountered during fixture loading. if objects_in_fixture == 0: self.stderr.write( self.style.ERROR("No fixture data found for '%s'. (File format may be invalid.)\n" % (fixture_name))) return except Exception, e: if verbosity >= 2: self.stdout.write("No %s fixture '%s' in %s.\n" % \ (format, fixture_name, humanize(fixture_dir)))
def handle(self, *fixture_labels, **options): verbosity = int(options.get('verbosity', 1)) show_traceback = options.get('traceback', False) commit = options.get('commit', True) self.style = no_style() session = orm.sessionmaker() # Keep a count of the installed objects and fixtures fixture_count = 0 loaded_object_count = 0 fixture_object_count = 0 models = set() humanize = lambda dirname: dirname and "'%s'" % dirname or 'absolute path' """ class SingleZipReader(zipfile.ZipFile): def __init__(self, *args, **kwargs): zipfile.ZipFile.__init__(self, *args, **kwargs) if settings.DEBUG: assert len(self.namelist()) == 1, "Zip-compressed fixtures must contain only one file." def read(self): return zipfile.ZipFile.read(self, self.namelist()[0]) """ compression_types = { None: file, #'gz': gzip.GzipFile, #'zip': SingleZipReader } #if has_bz2: # compression_types['bz2'] = bz2.BZ2File app_module_paths = [] for app in get_apps(): if hasattr(app, '__path__'): # It's a 'models/' subpackage for path in app.__path__: app_module_paths.append(path) else: # It's a models.py module app_module_paths.append(app.__file__) app_fixtures = [os.path.join(os.path.dirname(path), 'fixtures') \ for path in app_module_paths] for fixture_label in fixture_labels: parts = fixture_label.split('.') if len(parts) > 1 and parts[-1] in compression_types: compression_formats = [parts[-1]] parts = parts[:-1] else: compression_formats = compression_types.keys() if len(parts) == 1: fixture_name = parts[0] formats = serializers.get_public_serializer_formats() else: fixture_name, format = '.'.join(parts[:-1]), parts[-1] if format in serializers.get_public_serializer_formats(): formats = [format] else: formats = [] if formats: if verbosity >= 2: self.stdout.write("Loading '%s' fixtures...\n" % fixture_name) else: self.stderr.write( self.style.ERROR( "Problem installing fixture '%s': %s is not a known serialization format.\n" % (fixture_name, format))) if commit: transaction.rollback(using=using) transaction.leave_transaction_management(using=using) return if os.path.isabs(fixture_name): fixture_dirs = [fixture_name] else: fixture_dirs = app_fixtures + list( settings.FIXTURE_DIRS) + [''] for fixture_dir in fixture_dirs: if verbosity >= 2: self.stdout.write("Checking %s for fixtures...\n" % humanize(fixture_dir)) label_found = False for combo in product([None], formats, compression_formats): database, format, compression_format = combo file_name = '.'.join( p for p in [fixture_name, database, format, compression_format] if p) if verbosity >= 3: self.stdout.write("Trying %s for %s fixture '%s'...\n" % \ (humanize(fixture_dir), file_name, fixture_name)) full_path = os.path.join(fixture_dir, file_name) open_method = compression_types[compression_format] try: fixture = open_method(full_path, 'r') if label_found: fixture.close() self.stderr.write( self.style.ERROR( "Multiple " "fixtures named '%s' in %s. Aborting.\n" % (fixture_name, humanize(fixture_dir)))) if commit: session.rollback() return else: fixture_count += 1 objects_in_fixture = 0 loaded_objects_in_fixture = 0 if verbosity >= 2: self.stdout.write("Installing %s fixture " "'%s' from %s.\n" % (format, fixture_name, humanize(fixture_dir))) try: objects = serializers.deserialize( format, fixture) for obj in objects: objects_in_fixture += 1 loaded_objects_in_fixture += 1 models.add(obj.__class__) session.add(obj) session.commit() loaded_object_count += loaded_objects_in_fixture fixture_object_count += objects_in_fixture label_found = True #session.commit() except (SystemExit, KeyboardInterrupt): raise except Exception: import traceback fixture.close() if commit: session.rollback() if show_traceback: traceback.print_exc() else: self.stderr.write( self.style.ERROR( "Problem installing " "fixture '%s': %s\n" % (full_path, ''.join( traceback.format_exception( sys.exc_type, sys.exc_value, sys.exc_traceback))))) return fixture.close() # If the fixture we loaded contains 0 objects, assume that an # error was encountered during fixture loading. if objects_in_fixture == 0: self.stderr.write( self.style.ERROR("No fixture data found " \ "for '%s'. (File format may be " \ "invalid.)\n" % (fixture_name))) if commit: session.rollback() return except Exception, e: if verbosity >= 2: self.stdout.write("No %s fixture '%s' in %s.\n" % \ (format, fixture_name, humanize(fixture_dir)))