def _sendText(self, receivers, title, content):
# 设置email信息
# 邮件内容设置
message = MIMEText(content, 'plain', 'utf-8')
# 邮件主题
message['Subject'] = title
# 发送方信息
message['From'] = self.sender
# 接受方信息
message['To'] = receivers[0]
try:
smtpObj = smtplib.SMTP_SSL(
) if self.sendType == "ssl" else smtplib.SMTP()
# 连接到服务器
smtpObj.connect(self.mailHost, self.mailPort)
smtpObj.ehlo()
if self.sendType == "tls":
smtpObj.starttls()
# 登录到服务器
smtpObj.login(self.sender, self.passwd)
# 发送
smtpObj.sendmail(self.sender, receivers, message.as_string())
# 退出
smtpObj.quit()
Log.i(MailReporter.TAG,
'Mail successfully sent to ' + receivers[0])
except smtplib.SMTPException as e:
Log.e(MailReporter.TAG, 'send() error', e)
def _sendWithAttachment(self, receivers, title, content, attachment=None):
# 设置eamil信息
# 添加一个MIMEmultipart类，处理正文及附件
message = MIMEMultipart()
message['From'] = self.sender
message['To'] = receivers[0]
message['Subject'] = title
part = MIMEApplication(open(attachment, 'rb').read())
part.add_header('Content-Disposition',
'attachment',
filename=attachment)
# 将内容附加到邮件主体中
message.attach(MIMEText(content, 'plain', 'utf-8'))
message.attach(part)
# 登录并发送
try:
smtpObj = smtplib.SMTP_SSL(
) if self.sendType == "ssl" else smtplib.SMTP()
smtpObj.connect(self.mailHost, self.mailPort)
smtpObj.ehlo()
if self.sendType == "tls":
smtpObj.starttls()
smtpObj.login(self.sender, self.passwd)
smtpObj.sendmail(self.sender, receivers, message.as_string())
Log.i(MailReporter.TAG,
'Mail successfully sent to ' + receivers[0])
smtpObj.quit()
except smtplib.SMTPException as e:
Log.e(MailReporter.TAG, 'send() error', e)
def write_pid_file(pid_file, pid):
import fcntl
import stat
try:
fd = os.open(pid_file, os.O_RDWR | os.O_CREAT,
stat.S_IRUSR | stat.S_IWUSR)
except OSError as e:
Log.w(MAIN_TAG, "exception for write_pid_file()", e)
return -1
flags = fcntl.fcntl(fd, fcntl.F_GETFD)
assert flags != -1
flags |= fcntl.FD_CLOEXEC
r = fcntl.fcntl(fd, fcntl.F_SETFD, flags)
assert r != -1
# There is no platform independent way to implement fcntl(fd, F_SETLK, &fl)
# via fcntl.fcntl. So use lockf instead
try:
fcntl.lockf(fd, fcntl.LOCK_EX | fcntl.LOCK_NB, 0, 0, os.SEEK_SET)
except IOError:
r = os.read(fd, 32)
if r:
Log.e(MAIN_TAG, 'already started at pid %s' % Utils.to_str(r))
else:
Log.e(MAIN_TAG, 'already started')
os.close(fd)
return -1
os.ftruncate(fd, 0)
os.write(fd, Utils.to_bytes(str(pid)))
return 0
def daemon_start(pid_file):
def handle_exit(signum, _):
if signum == signal.SIGTERM:
sys.exit(0)
sys.exit(1)
signal.signal(signal.SIGINT, handle_exit)
signal.signal(signal.SIGTERM, handle_exit)
# fork only once because we are sure parent will exit
pid = os.fork()
assert pid != -1
if pid > 0:
# parent waits for its child
time.sleep(5)
sys.exit(0)
# child signals its parent to exit
ppid = os.getppid()
pid = os.getpid()
if write_pid_file(pid_file, pid) != 0:
Log.e(MAIN_TAG, "write_pid_file() failed, pid = " + str(pid))
os.kill(ppid, signal.SIGINT)
sys.exit(1)
os.setsid()
signal.signal(signal.SIG_IGN, signal.SIGHUP)
Log.d(MAIN_TAG, 'started')
os.kill(ppid, signal.SIGTERM)
sys.stdin.close()
def main():
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
configPath = None
parentPath = os.environ.get('HOME')
if not parentPath:
print('can not fetch $HOME')
parentPath = "."
parentPath += "/airbnb"
if not os.path.exists(parentPath):
os.mkdir(parentPath, mode=0o755)
pidFilePath = parentPath + "/" + PID_FILE_NAME
logPath = parentPath + "/all_logs.log"
storagePath = parentPath + "/rooms.db"
shortopts = 'h:c:d:l:s:v' # 命令行参数简写
longopts = [
'help', 'storage-file=', 'log-file=', 'version', 'config-file='
] # 完整体
# 执行动作 start 后台运行，stop 结束后台已经运行的实例
operation = None
optlist, args = getopt.getopt(sys.argv[1:], shortopts, longopts)
# 拿到命令行参数的key value
for key, value in optlist:
if key in ('-v', '--version'):
print("version: airbnb fetcher 0.1")
sys.exit(0)
if key in ('-h', '--help'):
printHelp()
sys.exit(0)
if key in ('-c', '--config-file'):
configPath = value
if key in ('-l', '--log-file'):
logPath = value
if key in ('-s', '--storage-file'):
storagePath = value
if key == '-d':
operation = value
# 配置日志模块
Log.config(logPath, echo=False)
if operation == "start":
daemon_start(pidFilePath)
elif operation == "stop":
daemon_stop(pidFilePath)
sys.exit(0)
if not configPath:
Log.e(MAIN_TAG, "config path not provided")
sys.exit(0)
config = parseConfigFile(configPath)
if not config:
sys.exit(0)
config.localStoragePath = storagePath
service = SearchService(config)
service.start()
def prepareDB(self, path):
conn = sqlite3.connect(path)
cursor = conn.cursor()
try:
# table for room
cursor.execute(
"CREATE TABLE IF NOT EXISTS room_info (_id INTEGER PRIMARY KEY AUTOINCREMENT,\
room_id INTEGER UNIQUE, person_capacity INTEGER, city VARCHAR(20), beds INTEGER, \
localized_neighborhood VARCHAR(50), price INTEGER, pic VARCHAR(200), update_time INTEGER,\
query_str VARCHAR(100))")
# table for reservation
cursor.execute(
"CREATE TABLE IF NOT EXISTS reservation_info (_id INTEGER PRIMARY KEY AUTOINCREMENT,\
room_id INTEGER, date VARCHAR(20) )")
except BaseException as e:
Log.e(StorageService._TAG, "prepareDB() failed", e)
finally:
cursor.close()
conn.commit()
return conn
def start(self):
print("airbnb service start")
while True:
while True:
now = datetime.datetime.now()
if now.hour == self._config.startHour and now.minute == self._config.startMinute:
dates = self.prepareDate()
self.analyzeCollection.clear()
self.forExcel.clear()
try:
for item in dates:
self.doQuery(item[0], item[1], item[2])
except BaseException as e:
Log.e(SearchService.TAG, "doQuery() failed, ", e)
if len(self.analyzeCollection) > 0:
self.reportForAnalyzeResult(self.analyzeCollection, self.forExcel)
else:
Log.w(SearchService.TAG, "no analyze result generated")
time.sleep(70)
else:
time.sleep(10) # in second
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# 测试日志辅助类
import sys
sys.path.append("../")
from LogHelper import Log
TAG = "Test"
Log.d(TAG, "Hello")
Log.e(TAG, "World!")
Log.i(TAG, "Hehe")
Log.w(TAG, "XXXX")
def daemon_stop(pid_file):
import errno
try:
with open(pid_file) as f:
buf = f.read()
pid = Utils.to_str(buf)
if not buf:
Log.e(MAIN_TAG, 'not running')
except IOError as e:
Log.e(MAIN_TAG, "daemon_stop() fail", e)
if e.errno == errno.ENOENT:
# always exit 0 if we are sure daemon is not running
Log.e(MAIN_TAG, 'not running')
return
sys.exit(1)
pid = int(pid)
if pid > 0:
try:
os.kill(pid, signal.SIGTERM)
except OSError as e:
if e.errno == errno.ESRCH:
Log.e(MAIN_TAG, 'not running')
# always exit 0 if we are sure daemon is not running
return
Log.e(MAIN_TAG, "daemon_stop() fail", e)
sys.exit(1)
else:
Log.e(MAIN_TAG, 'pid is not positive: ' + str(pid))
# sleep for maximum 10s
for i in range(0, 200):
try:
# query for the pid
os.kill(pid, 0)
except OSError as e:
if e.errno == errno.ESRCH:
break
time.sleep(0.05)
else:
Log.e(MAIN_TAG, 'timed out when stopping pid ' + str(pid))
sys.exit(1)
Log.d(MAIN_TAG, 'stopped')
os.unlink(pid_file)
