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""""""
Add a t_hosts record
:param f_ipaddr: IP address
:param f_macaddr: MAC Address
:param f_hostname: Hostname
:param f_netbios_name: NetBIOS Name
:param f_engineer: Engineer username
:param f_asset_group: Asset group
:param f_confirmed: Confirmed boolean
:return: (True/False, t_hosts.id or response message)
""""""
return self.send.host_add(f_ipaddr, f_macaddr, f_hostname, f_netbios_name, f_engineer,
f_asset_group, f_confirmed)"
721,"def parse_now_field(s):
""""""Return a datetime instance from a string generated by now_field.
IMPORTANT: the datetime will be in UTC""""""
if not s.startswith('UTC:'):
return None # Invalid string
s = s[4:]
# isoformat can return strings both with and without microseconds - we
# account for both
try:
dt = datetime.datetime.strptime(s, '%Y-%m-%dT%H:%M:%S.%f')
except ValueError:
dt = datetime.datetime.strptime(s, '%Y-%m-%dT%H:%M:%S')
return dt"
722,"def get_ftp(ftp_conf, debug=0):
""""""得到一个 已经打开的FTP 实例，和一个 ftp 路径。
:param dict ftp_conf: ftp配置文件，格式如下：
>>> {
>>> 'server':'127.0.0.1',
>>> 'start_path':None,
>>> 'user':'admin',
>>> 'password':'123456',
>>> }
:returns: ftp, ftpserverstr
:rtype: :class:`ftplib.FTP` , str
""""""
server = ftp_conf.get('server')
user = ftp_conf.get('user')
password = ftp_conf.get('password')
start_path = ftp_conf.get('start_path')
slog.info(""Connecting FTP server %s ......"", server)
ftpStr = 'ftp://%s/'%server
if start_path:
ftpStr = ftpStr+start_path
ftp = ftplib.FTP(server, user, password)
ftp.set_debuglevel(debug)
if start_path:
ftp.cwd(start_path)
serverFiles = ftp.nlst()
slog.info('There are some files in %s:\n[%s]'%(ftpStr, ', '.join(serverFiles)))
return ftp, ftpStr"
723,"def upload_file(file_path, remote_path, ftp_conf, remove_file=False):
""""""上传第一个指定的文件到 FTP 服务器。
:param str file_path: 待上传文件的绝对路径。
:param str remote_path: 文件在 FTP 服务器上的相对路径（相对于 FTP 服务器的初始路径）。
:param dict ftp_conf: ftp配置文件，详见 :func:`get_ftp` 。
:param bool remove_file: 上传成功后是否删除本地文件。
:returns: FTP 服务器上的文件列表
:rtype: list
""""""
check_ftp_conf(ftp_conf)
ftp, ftpStr = get_ftp(ftp_conf)
lf = open(file_path, 'rb')
slog.info('Uploading ""%s"" to ""%s/%s"" ......'%(file_path, ftpStr, remote_path))
ftp.storbinary(""STOR %s""%remote_path, lf)
filelist = ftp.nlst()
ftp.quit()
lf.close()
if remove_file:
os.remove(file_path)
slog.info('Upload done.')
return filelist"
724,"def retrieve_data(self):
""""""
Retrives data as a DataFrame.
""""""
#==== Retrieve data ====#
df = self.manager.get_historic_data(self.start.date(), self.end.date())
df.replace(0, np.nan, inplace=True)
return df"
725,"def get_min_risk(self, weights, cov_matrix):
""""""
Minimizes the variance of a portfolio.
""""""
def func(weights):