import logging
import projex.rest
import projex.security
import projex.text
from collections import defaultdict
from projex.locks import ReadLocker, ReadWriteLock, WriteLocker
from projex.lazymodule import lazy_import
from projex import funcutil
from .metamodel import MetaModel
from .search import SearchEngine
log = logging.getLogger(__name__)
orb = lazy_import('orb')
errors = lazy_import('orb.errors')
class Model(object):
"""
Defines the base class type that all database records should inherit from.
"""
# define the table meta class
__metaclass__ = MetaModel
__model__ = False
__search_engine__ = 'basic'
__auth__ = None
def __len__(self):
return len(self.schema().columns())
"""
Defines a searching algorithm for searching across multiple tables.
"""
from projex.lazymodule import lazy_import
orb = lazy_import('orb')
pyparsing = lazy_import('pyparsing')
class SearchJoiner(object):
def __init__(self, text):
self._text = text
def __str__(self):
return self.toString()
def toString(self):
return self._text
# ---------------------------------------------------------------------
class SearchTerm(object):
def __init__(self, engine, text, column=''):
self._engine = engine
self._text = text
self._column = column
def __str__(self):
return self.toString()
import datetime
import logging
import time
from projex.lazymodule import lazy_import
from ..column import Column
# optional imports
try:
from dateutil import parser as dateutil_parser
except ImportError:
dateutil_parser = None
log = logging.getLogger(__name__)
orb = lazy_import('orb')
pytz = lazy_import('pytz')
class AbstractDatetimeColumn(Column):
def __init__(self, defaultFormat='%Y-%m-%d %H:%M:%S', **kwds):
super(AbstractDatetimeColumn, self).__init__(**kwds)
self.__defaultFormat = defaultFormat
def defaultFormat(self):
"""
Returns the default format for this datetime column.
:return: <str>
""" Defines the base database class. """
# ------------------------------------------------------------------------------
import logging
from collections import defaultdict
from multiprocessing.util import register_after_fork
from projex.lazymodule import lazy_import
from projex.text import nativestring as nstr
log = logging.getLogger(__name__)
orb = lazy_import('orb')
errors = lazy_import('orb.errors')
class Database(object):
""" Contains all the database connectivity information. """
def __init__(self,
connectionType,
code='',
username='',
password='',
host=None,
port=None,
name=None,
timeout=20000,
credentials=None):
# define custom properties
conn = orb.Connection.byName(connectionType)
""" Defines an indexing system to use when looking up records. """
import logging
import projex.text
from xml.etree import ElementTree
from projex.lazymodule import lazy_import
from projex.text import nativestring as nstr
log = logging.getLogger(__name__)
orb = lazy_import("orb")
errors = lazy_import("orb.errors")
class Index(object):
"""
Defines an indexed way to lookup information from a database.
Creating an Index generates an object that works like a method, however
has a preset query built into it, along with caching options.
"""
def __init__(self, name="", columns=None, unique=False, order=None, cached=False, referenced=False):
if columns is None:
columns = []
self.__name__ = name
self._schema = None
self._columnNames = columns
self._unique = unique
import datetime
import glob
import logging
import os
import projex.security
import projex.text
from projex.lazymodule import lazy_import
from projex.text import nativestring as nstr
from xml.etree import ElementTree
from xml.parsers.expat import ExpatError
from .settings import Settings
log = logging.getLogger(__name__)
orb = lazy_import('orb')
pytz = lazy_import('pytz')
tzlocal = lazy_import('tzlocal')
class Manager(object):
_instance = None
def __init__(self):
# system wide options
self._environment = None # current environment
self._database = None # current database
self._tableclass = None # base table class (default: orb.Table)
self._namespace = '' # current namespace
self._token = None # security token -- CREATE NEW TOKEN!!!!
import logging
import os
import projex.text
import random
import yaml
from projex.lazymodule import lazy_import
from projex import rest
from ..column import Column
log = logging.getLogger(__name__)
pickle = lazy_import('cPickle')
orb = lazy_import('orb')
class BinaryColumn(Column):
TypeMap = {
'Postgres': 'TEXT',
'SQLite': 'BLOB',
'MySQL': 'TEXT'
}
def random(self):
"""
Returns a random value that fits this column's parameters.
:return: <variant>
"""
return os.urandom(16).encode('hex')
import cPickle
from projex.lazymodule import lazy_import
from orb.caching.datacache import DataCache
redis = lazy_import('redis')
orb = lazy_import('orb')
# noinspection PyAbstractClass
class RedisCache(DataCache):
""" Base caching object for tracking data caches """
def __init__(self, host='localhost', port=6379, timeout=0):
super(RedisCache, self).__init__(timeout)
# define custom properties
self._client = redis.StrictRedis(host=host, port=port)
@staticmethod
def __key(key):
return 'ORB({0})'.format(key or '*')
def expire(self, key=None):
"""
Expires out all the ORB related keys from the redis cache.
:param key | <hashable>
"""
if key:
key = self.__key(key)
self._client.delete(self.__key(key))
"""
Defines a searching algorithm for searching across multiple tables.
"""
from projex.lazymodule import lazy_import
orb = lazy_import('orb')
pyparsing = lazy_import('pyparsing')
class SearchJoiner(object):
def __init__(self, text):
self._text = text
def __str__(self):
return self.toString()
def toString(self):
return self._text
# ---------------------------------------------------------------------
class SearchTerm(object):
def __init__(self, engine, text, column=''):
self._engine = engine
self._text = text
self._column = column
def __str__(self):
return self.toString()
"""
import time
import cPickle
import datetime
import decimal
import orb
import orb.errors
import projex.rest
from projex.addon import AddonManager
from projex.lazymodule import lazy_import
from projex.text import nativestring as nstr
from .converter import DataConverter
yaml = lazy_import('yaml')
pytz = lazy_import('pytz')
class DataStore(AddonManager):
def restore(self, column, db_value):
"""
Restores the inputted value from the database to a Python value.
:param column | <orb.Column>
db_value | <variant>
:return <variant> | python value
"""
if not column:
return db_value
import datetime
import logging
import time
from projex.lazymodule import lazy_import
from ..column import Column
# optional imports
try:
from dateutil import parser as dateutil_parser
except ImportError:
dateutil_parser = None
log = logging.getLogger(__name__)
orb = lazy_import('orb')
pytz = lazy_import('pytz')
class AbstractDatetimeColumn(Column):
def __init__(self, defaultFormat='%Y-%m-%d %H:%M:%S', **kwds):
super(AbstractDatetimeColumn, self).__init__(**kwds)
self.__defaultFormat = defaultFormat
def defaultFormat(self):
"""
Returns the default format for this datetime column.
:return: <str>
"""
return self.__defaultFormat
"""
Defines methods for aggregation within the database system.
"""
from projex.lazymodule import lazy_import
orb = lazy_import("orb")
class ColumnAggregator(object):
def __init__(self, type, reference, referenceColumn=None, targetColumn=None, where=None):
"""
Defines a new column aggregation mechanism. This class allows
defining a column on a schema that generates an <orb.QueryAggregate>
rather than an actual column in the backend database.
:param type | <orb.QueryAggregate.Type>
reference | <str>
referenceColumn | <str>
targetColumn | <str>
where | <orb.Query> or None
"""
self._aggregateType = type
self._reference = reference
self._referenceColumn = referenceColumn
self._targetColumn = targetColumn
self._where = where
def aggregateType(self):
"""
Returns the aggregation type for this instance.
import logging
import os
import projex.text
import random
from ..column import Column
from projex.lazymodule import lazy_import
from projex import rest
log = logging.getLogger(__name__)
pickle = lazy_import('cPickle')
orb = lazy_import('orb')
yaml = lazy_import('yaml')
class BinaryColumn(Column):
TypeMap = {'Postgres': 'TEXT', 'SQLite': 'BLOB', 'MySQL': 'TEXT'}
def random(self):
"""
Returns a random value that fits this column's parameters.
:return: <variant>
"""
return os.urandom(16).encode('hex')
def dbRestore(self, db_value, context=None):
"""
Converts a stored database value to Python.
:param py_value: <variant>
"""
Defines methods for joining columns within the database system.
"""
from projex.lazymodule import lazy_import
orb = lazy_import('orb')
class ColumnJoiner(object):
def __init__(self,
reference,
referenceColumn=None,
targetColumn=None,
where=None):
self._reference = reference
self._referenceColumn = referenceColumn
self._targetColumn = targetColumn
self._where = where
def query(self, column):
"""
Generates the where query for this joiner for the given column.
:param column | <orb.Column>
:return <orb.Query>
"""
where = self.where(column)
out = where if where is not None else orb.Query()
out &= orb.Query(self.referenceColumn()) == orb.Query(
""" Defines a mapper for converting Qt information to and from the database. """
import binascii
import logging
from projex.text import nativestring as nstr
from projex.lazymodule import lazy_import
from ..converter import DataConverter
log = logging.getLogger(__name__)
QtCore = lazy_import('xqt.QtCore')
class QDataConverter(DataConverter):
"""
Maps Qt values to standard python values.
"""
def convert(self, value):
"""
Converts the inputted value to a Python value.
:param value | <variant>
:return <variant>
"""
val_name = type(value).__name__
if val_name == 'QString':
return nstr(value.toUtf8())
elif val_name == 'QVariant':
return value.toPyObject()
from projex.lazymodule import lazy_import
from ..sqliteconnection import SQLiteStatement
orb = lazy_import('orb')
class CREATE(SQLiteStatement):
def __call__(self, model, owner='', includeReferences=True):
if issubclass(model, orb.Table):
return self._createTable(model, owner, includeReferences)
elif issubclass(model, orb.View):
return self._createView(model, owner, includeReferences)
else:
raise orb.errors.OrbError('Cannot create model for type: '.format(type(model)))
def _createTable(self, model, owner, includeReferences):
ADD_COLUMN = self.byName('ADD COLUMN')
add_i18n = []
add_standard = []
# divide columns between standard and translatable
for col in model.schema().columns(recurse=False).values():
if col.testFlag(col.Flags.Virtual):
continue
if not includeReferences and isinstance(col, orb.ReferenceColumn):
continue
if col.testFlag(col.Flags.I18n):
add_i18n.append(col)
import cPickle
from projex.lazymodule import lazy_import
from orb.caching.datacache import DataCache
redis = lazy_import('redis')
orb = lazy_import('orb')
# noinspection PyAbstractClass
class RedisCache(DataCache):
""" Base caching object for tracking data caches """
def __init__(self, host='localhost', port=6379, timeout=0):
super(RedisCache, self).__init__(timeout)
# define custom properties
self._client = redis.StrictRedis(host=host, port=port)
@staticmethod
def __key(key):
return 'ORB({0})'.format(key or '*')
def expire(self, key=None):
"""
Expires out all the ORB related keys from the redis cache.
:param key | <hashable>
"""
if key:
key = self.__key(key)
self._client.delete(self.__key(key))
