While using time based rotating file handler.Getting error
os.rename('logthred.log', dfn)
WindowsError: [Error 32] The process cannot access the file because it
is being used by another process
config :
[loggers]
keys=root
[logger_root]
level=INFO
handlers=timedRotatingFileHandler
[formatters]
keys=timedRotatingFormatter
[formatter_timedRotatingFormatter]
format = %(asctime)s %(levelname)s %(name)s.%(functionname)s:%(lineno)d %
(output)s
datefmt=%y-%m-%d %H:%M:%S
[handlers]
keys=timedRotatingFileHandler
[handler_timedRotatingFileHandler]
class=handlers.TimedRotatingFileHandler
level=INFO
formatter=timedRotatingFormatter
args=('D:\\log.out', 'M', 2, 0, None, False, False)
Want to achieve time based rotating file handler and multiple process can write same log file.In python,I didn't find any thing which can help to resolve this issue.
I have read discussion on this issue (python issues).
Any suggestion which can resolve this issue.
Found the solution : Problem in Python 2.7 whenever we create child Process then file handles of parent process also inherited by child process so this is causing error. We can block this inheritance using this code.
import sys
from ctypes import windll
import msvcrt
import __builtin__
if sys.platform == 'win32':
__builtin__open = __builtin__.open
def __open_inheritance_hack(*args, **kwargs):
result = __builtin__open(*args, **kwargs)
handle = msvcrt.get_osfhandle(result.fileno())
if filename in args: # which filename handle you don't want to give to child process.
windll.kernel32.SetHandleInformation(handle, 1, 0)
return result
__builtin__.open = __open_inheritance_hack
Related
I am learning python and PySimpleGUI seems like a good start for exercises. With this self-exercise I'm working on, I would like to view and edit a YAML file. So far, I am able to create a prompt to browse and select a yaml. I am able to print the data in the console. But my next step is to view the yaml view PySimpleGUI window. I will work on how to edit the yaml content once I can figure out how to display it.
Here is my code:
import PySimpleGUI as sg
import yaml
from yaml.loader import SafeLoader
import os
working_directory = os.getcwd()
layout = [
[sg.Text("Shoose your yaml file:")],
[sg.InputText(key="-FILE_PATH-"),
sg.FileBrowse(initial_folder=working_directory, file_types=[("YAML Files","*.yaml")])],
[sg.Button("Submit"), sg.Exit()],
[sg.Multiline(size=(30,5), key= data)]
]
window = sg.Window("File Loader", layout).Finalize()
while True:
event, values = window.read()
if event in (sg.WIN_CLOSED, 'Exit'):
break
elif event == "Submit":
file_path = values["-FILE_PATH-"];
with open(file_path) as f:
data = yaml.load(f, Loader=SafeLoader)
# print(data)
print(values[data])
window.close()
Running this code i get this error:
Traceback (most recent call last):
File "yaml_gui.py", line 13, in <module>
[sg.Multiline(size=(30,5), key= data)]
NameError: name 'data' is not defined
I'm stuck because I am not sure why it is returning this error. The code works if I decide to just print the results in my terminal by using print(data). But when I use print(values[data]), it doesn't work.
I work with a Mac. I have been trying to make a multiple sequence alignment in Python using Muscle. This is the code I have been running:
from Bio.Align.Applications import MuscleCommandline
cline = MuscleCommandline(input="testunaligned.fasta", out="testunaligned.aln", clwstrict=True)
print(cline)
from Bio import AlignIO
align = AlignIO.read(open("testunaligned.aln"), "clustal")
print(align)
I keep getting the following error:
FileNotFoundError: [Errno 2] No such file or directory: 'testunaligned.aln'
Does anyone know how I could fix this? I am very new to Python and computer science in general, and I am totally at a loss. Thanks!
cline in your code is an instance of MuscleCommandline object that you initialized with all the parameters. After the initialization, this instance can run muscle, but it will only do that if you call it. That means you have to invoke cline()
When you simply print the cline object, it will return a string that corresponds to the command you can manually run on the command line to get the same result as when you invoke cline().
And here the working code:
from Bio.Align.Applications import MuscleCommandline
cline = MuscleCommandline(
input="testunaligned.fasta",
out="testunaligned.aln",
clwstrict=True
)
print(cline)
cline() # this is where mucle runs
from Bio import AlignIO
align = AlignIO.read(open("testunaligned.aln"), "clustal")
print(align)
I am getting this error in pip search while studying python.
The picture is an error when I pip search. Can you tell me how to fix it?
$ pip search pdbx
ERROR: Exception:
Traceback (most recent call last):
File "*/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 224, in _main
status = self.run(options, args)
File "*/lib/python3.7/site-packages/pip/_internal/commands/search.py", line 62, in run
pypi_hits = self.search(query, options)
File "*/lib/python3.7/site-packages/pip/_internal/commands/search.py", line 82, in search
hits = pypi.search({'name': query, 'summary': query}, 'or')
File "/usr/lib/python3.7/xmlrpc/client.py", line 1112, in __call__
return self.__send(self.__name, args)
File "/usr/lib/python3.7/xmlrpc/client.py", line 1452, in __request
verbose=self.__verbose
File "*/lib/python3.7/site-packages/pip/_internal/network/xmlrpc.py", line 46, in request
return self.parse_response(response.raw)
File "/usr/lib/python3.7/xmlrpc/client.py", line 1342, in parse_response
return u.close()
File "/usr/lib/python3.7/xmlrpc/client.py", line 656, in close
raise Fault(**self._stack[0])
xmlrpc.client.Fault: <Fault -32500: 'RuntimeError: This API has been temporarily disabled due to unmanageable load and will be deprecated in the near future. Please use the Simple or JSON API instead.'>
The pip search command queries PyPI's servers, and PyPI's maintainers have explained that the API endpoint that the pip search command queries is very resource intensive and too expensive for them to always keep open to the public. Consequently they sometimes throttle access and are actually planning to remove it completely soon.
See this GitHub issues thread ...
The solution I am using for now is to pip install pip-search (a utility created by GitHub user #victorgarric).
So, instead of 'pip search', I use pip_search. Definitely beats searching PyPI via a web browser
Follow the suggestion from JRK at the discussion at github (last comment) the search command is temporarily disabled, use your browser to search for packages meanwhile:
Check the thread on github and give him a thumb up ;)
search on website, https://pypi.org/,
then install the package you wanted
The error says
Please use the Simple or JSON API instead
You can try pypi-simple to query the pip repository
https://pypi.org/project/pypi-simple/
It gives an example too, I tried to use it here:
pypi-simple version 0.8.0 DistributionPackage' object has no attribute 'get_digest':
!/usr/bin/env python3
-*- coding: utf-8 -*-
"""
Created on Thu Nov 11 17:40:03 2020
#author: Pietro
"""
from pypi_simple import PyPISimple
def simple():
package=input('\npackage to be checked ')
try:
with PyPISimple() as client:
requests_page = client.get_project_page(package)
except:
print("\n SOMETHING WENT WRONG !!!!! \n\n",
"CHECK INTERNET CONNECTION OR DON'T KNOW WHAT HAPPENED !!!\n")
pkg = requests_page.packages[0]
print(pkg)
print(type(pkg))
print('\n',pkg,'\n')
print('\n'+pkg.filename+'\n')
print('\n'+pkg.url+'\n')
print('\n'+pkg.project+'\n')
print('\n'+pkg.version+'\n')
print('\n'+pkg.package_type+'\n')
#print('\n'+pkg.get_digest()+'\n','ENDs HERE !!!!') #wasnt working
if __name__ == '__main__':
simple()
got -4 so far for this answer don't know why , figureout I can try to check for a package with:
# package_name = input('insert package name : ')
package_name = 'numpy'
import requests
url = ('https://pypi.org/pypi/'+package_name+'/json')
r = requests.get(url)
try:
data = r.json()
for i in data:
if i == 'info':
print('ok')
for j in data[i]:
if j == 'name':
print((data[i])[j])
print([k for k in (data['releases'])])
except:
print('something went south !!!!!!!!!!')
I am new to multiprocessing in python.I am extracting some features from a list of 70,000 URLs. I have them from 2 different files. After the feature extraction process I pass the result to a list and then to a CSV file.
The code runs but then stops with the error.I tried to catch the error but it produced another one.
Python version = 3.5
from feature_extractor import Feature_extraction
import pandas as pd
from pandas.core.frame import DataFrame
import sys
from multiprocessing.dummy import Pool as ThreadPool
import threading as thread
from multiprocessing import Process,Manager,Array
import time
class main():
lst = None
def __init__(self):
manager = Manager()
self.lst = manager.list()
self.dostuff()
self.read_lst()
def feature_extraction(self,url):
if self.lst is None:
self.lst = []
features = Feature_extraction(url)
self.lst.append(features.get_features())
print(len(self.lst))
def Pool(self,url):
pool = ThreadPool(8)
results = pool.map(self.feature_extraction, url)
def dostuff(self):
df = pd.read_csv('verified_online.csv',encoding='latin-1')
df['label'] = df['phish_id'] * 0
mal_urls = df['url']
df2 = pd.read_csv('new.csv')
df2['label'] = df['phish_id']/df['phish_id']
ben_urls = df2['urls']
t = Process(target=self.Pool,args=(mal_urls,))
t2 = Process(target=self.Pool,args=(ben_urls,))
t.start()
t2.start()
t.join()
t2.join
def read_lst(self):
nw_df = DataFrame(list(self.lst))
nw_df.columns = ['Redirect count','ssl_classification','url_length','hostname_length','subdomain_count','at_sign_in_url','exe_extension_in_request_url','exe_extension_in_landing_url',
'ip_as_domain_name','no_of_slashes_in requst_url','no_of_slashes_in_landing_url','no_of_dots_in_request_url','no_of_dots_in_landing_url','tld_value','age_of_domain',
'age_of_last_modified','content_length','same_landing_and_request_ip','same_landing_and_request_url']
frames = [df['label'],df2['label']]
new_df = pd.concat(frames)
new_df = new_df.reset_index()
nw_df['label'] = new_df['label']
nw_df.to_csv('dataset.csv', sep=',', encoding='latin-1')
if __name__ == '__main__':
start_time = time.clock()
try:
main()
except BrokenPipeError:
print("broken pipe....")
pass
print (time.clock() - start_time, "seconds")
Error Traceback
Process Process-3:
Traceback (most recent call last):
File "F:\Continuum\Anaconda3\lib\multiprocessing\connection.py", line 312, in _recv_bytes
nread, err = ov.GetOverlappedResult(True)
BrokenPipeError: [WinError 109] The pipe has been ended
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "F:\Continuum\Anaconda3\lib\multiprocessing\process.py", line 249, in _bootstrap
self.run()
File "F:\Continuum\Anaconda3\lib\multiprocessing\process.py", line 93, in run
self._target(*self._args, **self._kwargs)
File "H:\Projects\newoproject\src\main.py", line 33, in Pool
results = pool.map(self.feature_extraction, url)
File "F:\Continuum\Anaconda3\lib\multiprocessing\pool.py", line 260, in map
return self._map_async(func, iterable, mapstar, chunksize).get()
File "F:\Continuum\Anaconda3\lib\multiprocessing\pool.py", line 608, in get
raise self._value
File "F:\Continuum\Anaconda3\lib\multiprocessing\pool.py", line 119, in worker
result = (True, func(*args, **kwds))
File "F:\Continuum\Anaconda3\lib\multiprocessing\pool.py", line 44, in mapstar
return list(map(*args))
File "H:\Projects\newoproject\src\main.py", line 26, in feature_extraction
self.lst.append(features.get_features())
File "<string>", line 2, in append
File "F:\Continuum\Anaconda3\lib\multiprocessing\managers.py", line 717, in _callmethod
kind, result = conn.recv()
File "F:\Continuum\Anaconda3\lib\multiprocessing\connection.py", line 250, in recv
buf = self._recv_bytes()
File "F:\Continuum\Anaconda3\lib\multiprocessing\connection.py", line 321, in _recv_bytes
raise EOFError
EOFError
My response is late and does not address the posted problem directly; but hopefully will provide a clue to others who encounter similar errors.
Errors that I encountered:
BrokenPipeError
WinError 109 The pipe has been ended &
WinError 232 The pipe is being closed
Observed with Python 36 on Windows 7, when:
(1) the same async function was submitted multiple times, each time with a different instance of a multiprocessing data store, a Queue in my case (multiprocessing.Manager().Queue())
AND
(2) the references to the Queues were saved in short-life local variables in the enveloping function.
The errors were occurring despite the fact that the Queues, shared with the successfully spawned and executing async-functions, had items and would still be in active use (put() & get()) at the time of exception.
The error consistently occurred when the same async_func was called the 2nd time with a 2nd instance of the Queue. Immediately after apply_async() of the function, the connection to the 1st Queue supplied to the async_func the 1st time, would get broken.
The issue got resolved when the references to the Queues were saved in non-overlapping (like a Queue-list) & longer-life variables (like variables returned to functions higher in the call-stack) in the enveloping function.
I have already looked at and tried the resolutions to this question that others have posted. One user said that to try and change my setup.py file from:
from distutils.core import setup
import py2exe
setup(console=["dev.py"])
to
from distutils.core import setup
import py2exe
setup(service=["dev.py"])
I got the following results:
running py2exe
*** searching for required modules ***
Traceback (most recent call last):
File "C:\Python27\Scripts\distutils-setup.py", line 5, in <module>
setup(service=["C:\Python27\Scripts\dev.py"])
File "C:\Python27\lib\distutils\core.py", line 152, in setup
dist.run_commands()
File "C:\Python27\lib\distutils\dist.py", line 953, in run_commands
self.run_command(cmd)
File "C:\Python27\lib\distutils\dist.py", line 972, in run_command
cmd_obj.run()
File "C:\Python27\lib\site-packages\py2exe\build_exe.py", line 243, in run
self._run()
File "C:\Python27\lib\site-packages\py2exe\build_exe.py", line 296, in _run
self.find_needed_modules(mf, required_files, required_modules)
File "C:\Python27\lib\site-packages\py2exe\build_exe.py", line 1274, in
find_needed_modules
mf.import_hook(mod)
File "C:\Python27\lib\site-packages\py2exe\mf.py", line 719, in import_hook
return Base.import_hook(self,name,caller,fromlist,level)
File "C:\Python27\lib\site-packages\py2exe\mf.py", line 136, in import_hook
q, tail = self.find_head_package(parent, name)
File "C:\Python27\lib\site-packages\py2exe\mf.py", line 204, in find_head_package
raise ImportError, "No module named " + qname
ImportError: No module named dev
Now, when I run py2exe with "console" in my setup script it works fine, but the service doesn't start and I get the error. When I run py2exe with "service" in my setup script py2exe doesn't run and tells me it can't find my module.
I have tried to re-install py2exe to no resolution. I have also tried to change:
def SvcDoRun(self):
servicemanager.LogMsg(servicemanager.EVENTLOG_INFORMATION_TYPE,
servicemanager.PYS_SERVICE_STARTED,
(self._svc_name_,''))
to
def SvcDoRun(self):
self.ReportServiceStatus(win32service.SERVICE_RUNNING)
win32event.WaitForSingleObject(self.hWaitStop, win32event.INFINITE)
Didn't make a difference either. CAN ANYONE HELP ME PLEASE? Here is what I am working on. It monitors a server and spits back a text file every 60 seconds which I use to monitor my servers at any given minute. Any help you guys and gals can give would be great.
import win32serviceutil
import win32service
import win32event
import servicemanager
import socket
import wmi
import _winreg
from time import sleep
import os
class SrvMonSvc (win32serviceutil.ServiceFramework):
_svc_name_ = "SrvMonSvc"
_svc_display_name_ = "Server Monitor"
def __init__(self,args):
win32serviceutil.ServiceFramework.__init__(self,args)
self.hWaitStop = win32event.CreateEvent(None,0,0,None)
socket.setdefaulttimeout(60)
def SvcStop(self):
self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
win32event.SetEvent(self.hWaitStop)
def SvcDoRun(self):
servicemanager.LogMsg(servicemanager.EVENTLOG_INFORMATION_TYPE,
servicemanager.PYS_SERVICE_STARTED,
(self._svc_name_,''))
self.main()
def main(self):
host = wmi.WMI(namespace="root/default").StdRegProv
try:
result, api = host.GetStringValue(
hDefKey = _winreg.HKEY_LOCAL_MACHINE,
sSubKeyName = "SOFTWARE\Server Monitor",
sValueName = "API")
if api == None:
raise Exception
else:
pass
except:
exit()
while 1 == 1:
with open("C:/test.txt", "wb") as b:
computer = wmi.WMI(computer="exsan100")
for disk in computer.Win32_LogicalDisk (DriveType=3):
name = disk.caption
size = round(float(disk.Size)/1073741824, 2)
free = round(float(disk.FreeSpace)/1073741824, 2)
used = round(float(size), 2) - round(float(free), 2)
for mem in computer.Win32_OperatingSystem():
a_mem = (int(mem.FreePhysicalMemory)/1024)
for me in computer.Win32_ComputerSystem():
t_mem = (int(me.TotalPhysicalMemory)/1048576)
u_mem = t_mem - a_mem
for cpu in computer.Win32_Processor():
load = cpu.LoadPercentage
print >>b, api
print >>b, name
print >>b, size
print >>b, used
print >>b, t_mem
print >>b, u_mem
print >>b, load
b.close()
date_list = []
stamp = time.strftime("%c",time.localtime(time.time()))
date_list.append(stamp)
name = re.sub(r"[^\w\s]", "",date_list[0])
os.rename("C:/test.txt", ("C:/%s.txt" % name))
try:
sleep(60.00)
except:
exit()
if __name__ == '__main__':
win32serviceutil.HandleCommandLine(SrvMonSvc)
Have you progressed from your original problem. I had similar problem with a python service and found out that it was missing DLLs since the 'System Path' (not the user path) was not complete.
Running pythonservice.exe with -debug from the command prompt was not a problem because it used correct PATH environment variable, but if your service is installed as a System service it's worth checking out if the System Path variable has all the paths for the required DLLs (MSVC, Python, System32). For me it was missing the python DLLs path, after that it worked again.