def remove(cls, lst):
if type(lst) == cls:
DAL.delete_from(cls.table, **lst._working_dict())
else:
with DAL.connection():
for entry in lst:
DAL.delete_from(cls.table, **entry._working_dict())
def add(cls, lst):
if type(lst) == cls:
DAL.insert_into(cls.table, **lst._working_dict())
else:
# 是否需要保持事务性?
with DAL.connection():
for entry in lst:
DAL.insert_into(cls.table, **entry._working_dict())
def save_html(url, html):
import base64
encoded_html = base64.b64encode(html)
print encoded_html
with DAL.connection():
t = Entry.Page(url=url, content=encoded_html)
Entry.Page.add(t)
del (t)
def save():
global Q
with DAL.connection():
while not Q.empty():
u = Q.get()
t = Entry.Url(url=u)
Entry.Url.add(t)
del (t)
print 'all saved!!!!!!!!!!!!!!!!'
return True
import src.DB.DAL as DAL
import urllib2
from utils import DBconfig
import src.DB.Entry as Entry
__author__ = "Sapocaly"
config = DBconfig.DBConfig("conf/byyy_ba_db.cfg")
config_args = dict(
zip(["host", "user", "passwd", "database"], [config.DB_HOST, config.DB_USER, config.DB_PASSWORD, config.DB_NAME])
)
DAL.create_engine(**config_args)
with DAL.connection():
for i in range(10):
t = Entry.Page(url="test_url", content="test_content")
Entry.Page.add(t)
del (t)
with DAL.transaction():
Entry.Page.remove(Entry.Page.get())
import src.DB.Entry as Entry
import src.DB.DAL as DAL
from utils import DBconfig
Q = Queue.Queue()
S = set()
config = DBconfig.DBConfig("conf/byyy_ba_db.cfg")
config_args = dict(zip(['host', 'user', 'passwd', 'database'],
[config.DB_HOST, config.DB_USER, config.DB_PASSWORD, config.DB_NAME]))
DAL.create_engine(**config_args)
def save():
global Q
with DAL.connection():
while not Q.empty():
u = Q.get()
t = Entry.Url(url=u)
Entry.Url.add(t)
del (t)
print 'all saved!!!!!!!!!!!!!!!!'
return True
def put(url):
try:
def get(cls, **args):
selection = DAL.select_from(cls.table, **args)
# 获取entry信息，创建新instance，initialize，生成list
return [cls(**dict(zip(cls.fields, entry))) for entry in selection]
def save(self):
DAL.update(self.__class__.table, **self)
for key in self.__class__.fields:
self[key] = self['_' + key]
