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How to use database method in hypothesis

Best Python code snippet using hypothesis

models.py

Source:models.py

1'''2Each class in this file serves as an object relational map for the tables 3in the underlying database. This is done through the use of Flask-SQLAlchemy.4In general, each class function serves only to initialize the object (analogous5to an entry into or already existing in the database) and to represent the object6as a string. The exceptions to this rule can be found in the Account class which7contains a number of getter and setter methods.8'''9from handlers.Database import database10	11class Account (database.db.Model):12	id = database.db.Column(database.db.Integer, primary_key=True)13	pword = database.db.Column(database.db.String(255), nullable=False)14	q1_id = database.db.Column(database.db.Integer, database.db.ForeignKey('question.id',ondelete='RESTRICT',onupdate='RESTRICT'), nullable=False)15	q2_id = database.db.Column(database.db.Integer, database.db.ForeignKey('question.id',ondelete='RESTRICT',onupdate='RESTRICT'), nullable=False)16	answer1 = database.db.Column(database.db.Text, nullable=False)17	answer2 = database.db.Column(database.db.Text, nullable=False)18	created = database.db.Column(database.db.DateTime, nullable=False)19	authenticated = database.db.Column(database.db.Boolean, default=False)20	code = database.db.Column(database.db.Integer,default=None,nullable=True)21	22	admin = database.db.relationship('Admin', backref='account',uselist=False,lazy='joined',cascade='all, delete-orphan')23	manager = database.db.relationship('Manager', backref='account', uselist=False, lazy='joined',cascade='all, delete-orphan')24	q1 = database.db.relationship('Question',foreign_keys=[q1_id])25	q2 = database.db.relationship('Question',foreign_keys=[q2_id])26	27	def __init__(self,pword,q1,q2,a1,a2,created):28		self.pword = pword29		self.q1_id = q130		self.q2_id = q231		self.answer1 = a132		self.answer2 = a233		self.created = created34	def __repr__(self):35		return '<Account {0}>'.format(self.id)36		37	def is_active(self):38		return True39	def get_id(self):40		return self.id41	def is_authenticated(self):42		return self.authenticated43	def is_anonymous(self):44		return False45class Question(database.db.Model):46		id = database.db.Column(database.db.Integer, primary_key=True)47		prompt = database.db.Column(database.db.String(255), nullable=False)48		49		def __init__(self,prompt):50			self.prompt = prompt51			52		def __repr__(self):53			return '{0}'.format(self.prompt)		54	55class Admin (database.db.Model):56	id = database.db.Column(database.db.Integer, primary_key=True)57	account_id = database.db.Column(database.db.Integer, database.db.ForeignKey('account.id',ondelete='CASCADE',onupdate='RESTRICT'), nullable=False)58	email = database.db.Column(database.db.String(32), nullable=False, unique=True)59	fname = database.db.Column(database.db.String(32), nullable=False)60	lname = database.db.Column(database.db.String(32), nullable=False)61	62	def __init__(self,account,email,fname,lname):63		self.account = account64		self.email = email65		self.fname = fname66		self.lname = lname67		68	def __repr__(self):69		return '<Admin {0} {1}>'.format(self.fname,self.lname)70class Manager (database.db.Model):71	id = database.db.Column(database.db.Integer, primary_key=True)72	account_id = database.db.Column(database.db.Integer, database.db.ForeignKey('account.id',ondelete='CASCADE',onupdate='RESTRICT'), nullable=False)73	title = database.db.Column(database.db.String(32), nullable=False)74	fname = database.db.Column(database.db.String(32), nullable=False)75	lname = database.db.Column(database.db.String(32), nullable=False)76	signature = database.db.Column(database.db.Text, nullable=False)77	email = database.db.Column(database.db.String(32), nullable=False, unique=True)78	79	createdBy = database.db.relationship('Award', backref='manager',lazy='dynamic')80	81	def __init__(self,account,title,fname,lname,signature,email):82		self.account = account83		self.title = title84		self.fname = fname85		self.lname = lname86		self.signature = signature87		self.email = email88	def __repr__(self):89		return '<Manager {0}>'.format(self.fname + ' ' + self.lname)90class AwardType (database.db.Model):91	id = database.db.Column(database.db.Integer, primary_key=True)92	name = database.db.Column(database.db.String(32),nullable=False)93	type = database.db.relationship('Award', backref='award_type', lazy='dynamic')94	def __init__(self,name):95		self.name = name96	def __repr__(self):97		return '<AwardType {0}>'.format(self.name)98class Award (database.db.Model):99	id = database.db.Column(database.db.Integer, primary_key=True)100	creator = database.db.Column(database.db.Integer, database.db.ForeignKey('manager.id',ondelete='SET NULL',onupdate='RESTRICT'),nullable=True)101	type_id = database.db.Column(database.db.Integer, database.db.ForeignKey('award_type.id',ondelete='RESTRICT',onupdate='RESTRICT'),nullable=False)102	message = database.db.Column(database.db.String(255),nullable=False)103	issuedOn = database.db.Column(database.db.Date,nullable=False)104	recipient = database.db.Column(database.db.Integer,database.db.ForeignKey('employee.id',ondelete='SET NULL',onupdate='RESTRICT'),nullable=True)105	background_id = database.db.Column(database.db.Integer,database.db.ForeignKey('award_background.id',ondelete='RESTRICT',onupdate='RESTRICT'),nullable=False)106	theme_id = database.db.Column(database.db.Integer,database.db.ForeignKey('award_theme.id',ondelete='RESTRICT',onupdate='RESTRICT'),nullable=False)107	border_id = database.db.Column(database.db.Integer,database.db.ForeignKey('award_border.id',ondelete='RESTRICT',onupdate='RESTRICT'),nullable=False)108	109	def __init__(self,creator,typeId,message,issuedOn,recipient,background,theme,border):110		self.creator = creator111		self.type_id = typeId112		self.message = message113		self.issuedOn = issuedOn114		self.recipient = recipient115		self.background_id = background116		self.theme_id = theme117		self.border_id = border118	def __repr__(self):119		return '<Award {0} {1} {2}>'.format(self.creator,self.type_id,self.message)120	def check_row(self):121		if self.creator is None and self.recipient is None:122			return True123		124class AwardBackground(database.db.Model):125		id = database.db.Column(database.db.Integer, primary_key=True)126		filename = database.db.Column(database.db.String(32), nullable=False)127		128		background = database.db.relationship('Award', backref='award_background', lazy='dynamic')129		130		def __init__(self,filename):131			self.filename = filename132			133		def __repr__(self):134			return '<AwardBackground {0}>'.format(self.filename)135class AwardTheme(database.db.Model):136		id = database.db.Column(database.db.Integer, primary_key=True)137		theme = database.db.Column(database.db.String(32), nullable=False)138		139		color = database.db.relationship('Award', backref='award_theme', lazy='dynamic')140		141		def __init__(self,theme):142			self.theme = theme143			144		def __repr__(self):145			return '<AwardTheme {0}>'.format(self.theme)146class AwardBorder(database.db.Model):147		id = database.db.Column(database.db.Integer, primary_key=True)148		filename = database.db.Column(database.db.String(32), nullable=False)149		150		border = database.db.relationship('Award', backref='award_border', lazy='dynamic')151		152		def __init__(self,filename):153			self.filename = filename154			155		def __repr__(self):156			return '<AwardBorder {0}>'.format(self.filename)157		158class Employee(database.db.Model):159	id = database.db.Column(database.db.Integer,primary_key=True)160	fname = database.db.Column(database.db.String(32),nullable=False)161	lname = database.db.Column(database.db.String(32),nullable=False)162	email = database.db.Column(database.db.String(32),nullable=False,unique=True)163	164	award = database.db.relationship('Award', backref='employee', lazy='dynamic')165	166	def __init__(self,fname,lname,email):167		self.fname = fname168		self.lname = lname169		self.email = email170			171	def __repr__(self):172		return '<Employee {0} {1} {2}>'.format(self.fname,self.lname,self.email)173	174	...

creation.py

Source:creation.py

1import os2import shutil3import sys4from pathlib import Path5from django.db.backends.base.creation import BaseDatabaseCreation6class DatabaseCreation(BaseDatabaseCreation):7    @staticmethod8    def is_in_memory_db(database_name):9        return not isinstance(database_name, Path) and (10            database_name == ':memory:' or 'mode=memory' in database_name11        )12    def _get_test_db_name(self):13        test_database_name = self.connection.settings_dict['TEST']['NAME'] or ':memory:'14        if test_database_name == ':memory:':15            return 'file:memorydb_%s?mode=memory&cache=shared' % self.connection.alias16        return test_database_name17    def _create_test_db(self, verbosity, autoclobber, keepdb=False):18        test_database_name = self._get_test_db_name()19        if keepdb:20            return test_database_name21        if not self.is_in_memory_db(test_database_name):22            # Erase the old test database23            if verbosity >= 1:24                self.log('Destroying old test database for alias %s...' % (25                    self._get_database_display_str(verbosity, test_database_name),26                ))27            if os.access(test_database_name, os.F_OK):28                if not autoclobber:29                    confirm = input(30                        "Type 'yes' if you would like to try deleting the test "31                        "database '%s', or 'no' to cancel: " % test_database_name32                    )33                if autoclobber or confirm == 'yes':34                    try:35                        os.remove(test_database_name)36                    except Exception as e:37                        self.log('Got an error deleting the old test database: %s' % e)38                        sys.exit(2)39                else:40                    self.log('Tests cancelled.')41                    sys.exit(1)42        return test_database_name43    def get_test_db_clone_settings(self, suffix):44        orig_settings_dict = self.connection.settings_dict45        source_database_name = orig_settings_dict['NAME']46        if self.is_in_memory_db(source_database_name):47            return orig_settings_dict48        else:49            root, ext = os.path.splitext(orig_settings_dict['NAME'])50            return {**orig_settings_dict, 'NAME': '{}_{}.{}'.format(root, suffix, ext)}51    def _clone_test_db(self, suffix, verbosity, keepdb=False):52        source_database_name = self.connection.settings_dict['NAME']53        target_database_name = self.get_test_db_clone_settings(suffix)['NAME']54        # Forking automatically makes a copy of an in-memory database.55        if not self.is_in_memory_db(source_database_name):56            # Erase the old test database57            if os.access(target_database_name, os.F_OK):58                if keepdb:59                    return60                if verbosity >= 1:61                    self.log('Destroying old test database for alias %s...' % (62                        self._get_database_display_str(verbosity, target_database_name),63                    ))64                try:65                    os.remove(target_database_name)66                except Exception as e:67                    self.log('Got an error deleting the old test database: %s' % e)68                    sys.exit(2)69            try:70                shutil.copy(source_database_name, target_database_name)71            except Exception as e:72                self.log('Got an error cloning the test database: %s' % e)73                sys.exit(2)74    def _destroy_test_db(self, test_database_name, verbosity):75        if test_database_name and not self.is_in_memory_db(test_database_name):76            # Remove the SQLite database file77            os.remove(test_database_name)78    def test_db_signature(self):79        """80        Return a tuple that uniquely identifies a test database.81        This takes into account the special cases of ":memory:" and "" for82        SQLite since the databases will be distinct despite having the same83        TEST NAME. See https://www.sqlite.org/inmemorydb.html84        """85        test_database_name = self._get_test_db_name()86        sig = [self.connection.settings_dict['NAME']]87        if self.is_in_memory_db(test_database_name):88            sig.append(self.connection.alias)89        else:90            sig.append(test_database_name)...

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