python – So schreiben Sie ein Skript, um eine bestimmte Zeile mit Testdaten in der Datenbank zu löschen
阿神
阿神 2017-05-18 10:50:07
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Es ist notwendig, ein Skript zu schreiben, das eine Mobiltelefonnummer zum Testen enthält. Nach der Registrierung müssen diese Daten gelöscht oder auf Null gesetzt werden . Dies ist ein ähnliches Skript.

aus

Zukunft print_function importierenitertools importieren
pymysql.cursors importieren
csv importieren

aus den Dienstprogrammen importieren is_telephone, is_email

if

name == '__main__':sg_connection = pymysql.connect(
host='localhost',
user='root',
password='root',
db='sellergrowth',
charset=' utf8',
cursorclass=pymysql.cursors.DictCursor
)

uc_connection = pymysql.connect(

host='localhost',
user='root',
password='root',
db='sguc',
charset='utf8',
cursorclass=pymysql.cursors.DictCursor
)

def _filter_valid(entity):

wenn nicht entity['username']:
false zurückgeben
wenn entity['telephone'] und nicht is_telephone(entity['telephone']):
false zurückgeben
if entity['email' ] und nicht is_email(entity['email']):
false zurückgeben
wenn nicht (
(entity['telephone'] und entity['telephone_verified']) oder (entity['email'] und entity['email_verified' ])):
falsch zurückgeben
wahr zurückgeben

def _map_to_correct(entity):

def _set_blank_to_none(name):
if not entity[name]:
entity[name] = None

_set_blank_to_none('telephone')

_set_blank_to_none('email')
wenn entity['telephone'] und nicht entity['telephone_verified']:
entity['telephone'] = None
wenn entity['email'] und nicht entity['email_verified']:
entity['email'] = None
_set_blank_to_none('password')
_set_blank_to_none('wechat_unionid')
_set_blank_to_none('wechat_app_openid')
_set_blank_to_none('wechat_public_openid' )
_set_blank_to_none('wechat_site_openid' )
_set_blank_to_none('qq_openid')
_set_blank_to_none('last_login')
_set_blank_to_none('sign_url')
_set_blank_to_none('user_uuid')
wenn nicht. entity['signup_service_id']:
entity['sign up_service_id'] = 11300
if entity['signup_method'] == 1:
entity['signup_method'] = 'MOBILE'
elif entity['signup_method'] == 2:
entity['signup_method'] = 'TABLET'
elif entity['signup_method '] == 3:
entity['signup_method'] = 'WE_CHAT_PUBLIC'
elif-Entity['signup_method'] == 4:
entity['signup_method'] = 'WE_CHAT_SITE'
elif-Entity['signup_method'] == 12:
entity['signup_method'] = 'WE_CHAT_APP'
elif-Entity['signup_method'] == 6:
entity['signup_method'] = 'QQ_WEB'
elif-Entity['signup_method'] == 7:
entity ['signup_method'] = 'QQ_WEBAPP'
else:
entity['signup_method'] = Keine
entity['is_active'] = 1, wenn entity['is_active'] sonst 0
Entität zurückgeben

def _dict_to_tuple(entity):
return tuple((
entity['telefon'], entity['email'], entity['username'], entity['password'], entity['wechat_unionid'],
entity ['wechat_app_openid'],
entity['wechat_public_openid'], entity['wechat_site_openid'], entity['qq_openid'],
int(entity['signup_service_id']), entity['date_joined'], entity['last_login '], Entity['is_active'],
Entity['signup_method'], Entity['sign_url'], Entity['user_uuid']
))

try:
mit sg_connection.cursor() als Cursor, uc_connection.cursor() als uc_cursor:
sql = 'SELECT is_active, p.telephone, email, username, password, p.wechat_unionid, p.wechat_app_openid, p.wechat_public_openid, p.wechat_site_openid, p.qq_openid, p.signup_service_id, p.telephone_verified, p.email_verified, date_joined, last_login, p.signup_method, e.sign_url, p2.user_uuid FROM account_profile p LEFT JOIN event_baseevent e ON e.id=p.signup_event_id LEFT JOIN account_profile p2 ON p2.user_id=p.inviter_id, auth_user u WHERE p.user_id=u.id'
cursor.execute(sql)
cursor, Cursor_for_record = itertools .tee(cursor)
cursor = itertools.ifilter(_filter_valid, Cursor)
cursor = itertools.imap(_map_to_correct, Cursor)
cursor = itertools.imap(_dict_to_tuple, Cursor)

sql = 'INSERT into cas_service (service_id, service_group) VALUES (%s, %s)'
service_list = ((11300, 'SG'), (12300, 'SGASK'), (13300, 'YQSXY'), ( 14300, 'CHUANGLAN'))
uc_cursor.executemany(sql, service_list)
uc_connection.commit()

insert_sql = 'INSERT into cas_user (Telefon, E-Mail, Benutzername1, Passwort1, wechat_unionid, wechat_app_openid, wechat_public_openid, wechat_site_openid, qq_openid, sign_up_service_id, date_joined, last_login, is_active, sign_up_device, sg_event_url, sg_inviter_uid) WERTE (%s, %s, %s , %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)'
uc_cursor.executemany(insert_sql, list( Cursor))
uc_connection.commit()

mit open('not_migration_report.csv', 'wb') als csvfile:
spamwriter = csv.writer(csvfile, delimiter=',', quotechar='|', quoting=csv.QUOTE_MINIMAL)
init = False
cursor_for_record = itertools.ifilterfalse(_filter_valid, Cursor_for_Record)
for i in Cursor_for_Record:
if not init:
init = True
print(i.keys())
spamwriter.writerow(
[a.encode("utf8") if type (a) == Unicode else a für a in i.values()])
finally:
sg_connection.close()
uc_connection.close()

阿神
阿神

闭关修行中......

Antworte allen(1)
迷茫

如果对表有操作权限的话 只需要 增加一个标识状态的flag即可 如 flag = test

DELETE * FROM table_name WHERE flag = test
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