I'm trying to download a file from an FTPS server, using Python ftplib.
But the downloaded file has always 0 bytes (is empty).
If I see the file in the server with WinSCP, the file has data (about 1Kb).
In WinSCP I'm using the options "Encryption: Explicit TSL" and "PassiveMode=False".
What is wrong with the code?
Thanks!!
This is the code I am using:
import ftplib
server='10.XX.XX.XX'
username='username'
password='password'
session = ftplib.FTP_TLS(server)
session.login(user=username,passwd=password)
session.prot_p()
session.set_pasv(False)
session.nlst()
session.cwd("home")
print(session.pwd())
filename = "test.txt"
# Open a local file to store the downloaded file
my_file = open(r'c:\temp\ftpTest.txt', 'wb')
session.retrbinary('RETR ' + filename, my_file.write, 1024)
session.quit()
You are not closing the local file after the download. You should use context manager for that. Similarly also for the FTP session:
with ftplib.FTP_TLS(server) as session:
session.login(user=username, passwd=password)
session.prot_p()
session.set_pasv(False)
session.nlst()
session.cwd("home")
print(session.pwd())
filename = "test.txt"
# Open a local file to store the downloaded file
with open(r'c:\temp\ftpTest.txt', 'wb') as my_file:
session.retrbinary('RETR ' + filename, my_file.write, 1024)
Related
I am trying to read a CSV file from a folder in FTP. The file has 3072 rows. However, when I am running the code, it is not reading all the rows. Certain rows from the bottom are getting missed out.
## FTP host name and credentials
ftp = ftplib.FTP('IP', 'username','password')
## Go to the required directory
ftp.cwd("Folder_Name")
names = ftp.nlst()
final_names= [line for line in names if '.csv' in line]
latest_time = None
latest_name = None
#os.chdir(filepath)
for name in final_names:
time1 = ftp.sendcmd("MDTM " + name)
if (latest_time is None) or (time1 > latest_time):
latest_name = name
latest_time = time1
file = open(latest_name, 'wb')
ftp.retrbinary('RETR '+ latest_name, file.write)
dat = pd.read_csv(latest_name)
The CSV file to be read from FTP is as given below-
The output from the code is as-
Make sure you close the file, before you try to read it, using file.close(), or even better using with:
with open(latest_name, 'wb') as file:
ftp.retrbinary('RETR '+ latest_name, file.write)
dat = pd.read_csv(latest_name)
If you do not need to actually store the file to local file system, and the file is not too large, you can download it to memory only:
Reading files from FTP server to DataFrame in Python
I’m having a hard time with this simple script. It’s giving me an error of file or directory not found but the file is there. Script below I’ve masked user and pass plus FTP site
Here is my script
from ftplib import FTP
ftp = FTP('ftp.domain.ca')
pas = str('PASSWORD')
ftp.login(user = 'user', passwd=pas)
ftp.cwd('/public_html/')
filepaths = open('errorstest.csv', 'rb')
for j in filepaths:
print(j)
ftp.delete(str(j))
ftp.quit()
The funny thing tho is if I slight change the script to have ftp.delete() it finds the file and deletes it. So modified to be like this:
from ftplib import FTP
ftp = FTP('ftp.domain.ca')
pas = str('PASSWORD')
ftp.login(user = 'user', passwd=pas)
ftp.cwd('/public_html/')
ftp.delete(<file path>)
ftp.quit()
I’m trying to read this from a csv file. What am I doing wrong?
Whatever you have showed seems to be fine. But could you try this?
from ftplib import FTP
ftp = FTP(host)
ftp.login(username, password)
ftp.cwd('/public_html/')
print(ftp.pwd())
print(ftp.nlst())
with open('errorstest.csv') as file:
for line in file:
if line.strip():
ftp.delete(line.strip())
print(ftp.nlst())
I'm appending values to a log file every 6th second. Every 30 sec I'm transferring this log to an FTP server as a file. But instead of transfering the whole file, I just want to append the collected data to the file on my server. I haven't been able to figure out how to open the server file and then append the values.
My code so far:
session = ftplib.FTP(authData[0],authData[1],authData[2])
session.cwd("//"+serverCatalog()+"//") # open server catalog
file = open(fileName(),'rb')
with open(fileName(), 'rb') as f:
f = f.readlines()
for line in f:
collected = line
# In some way open server file, write lines to it
session.storbinary('STOR ' + fileName(), open(fileName(), 'a'), 1024)
file.close()
session.quit()
Instead, do I have to download the server file open and append, then send it back?
Above was my question, the full solution is below:
session.cwd("//"+serverCatalog()+"//") # open server catalog
localfile = open("logfile.txt",'rb')
session.storbinary('APPE serverfile.txt', localfile)
localfile.close()
Use APPE instead of STOR.
Source: http://www.gossamer-threads.com/lists/python/python/22960 (link to web.archive.org)
I'm trying to retrieve a zip folder(s) from an ftp site and save them to my local machine, using python (ideally I'd like to specify where they are saved on my C:).
The code below connects to the FTP site and then *something happens in the PyScripter window that looks like random characters for about 1000 lines... but nothing actually gets downloaded to my hard drive.
Any tips?
import ftplib
import sys
def gettext(ftp, filename, outfile=None):
# fetch a text file
if outfile is None:
outfile = sys.stdout
# use a lambda to add newlines to the lines read from the server
ftp.retrlines("RETR " + filename, lambda s, w=outfile.write: w(s+"\n"))
def getbinary(ftp, filename, outfile=None):
# fetch a binary file
if outfile is None:
outfile = sys.stdout
ftp.retrbinary("RETR " + filename, outfile.write)
ftp = ftplib.FTP("FTP IP Address")
ftp.login("username", "password")
ftp.cwd("/MCPA")
#gettext(ftp, "subbdy.zip")
getbinary(ftp, "subbdy.zip")
Well, it seems that you simply forgot to open the file you want to write into.
Something like:
getbinary(ftp, "subbdy.zip", open(r'C:\Path\to\subbdy.zip', 'wb'))
quick and simple:
I have the following function, works well if i specify the file name.
import os
import ftplib
def ftpcon(self, host, port, login, pwd, path):
ftp = ftplib.FTP()
ftp.connect(host, port, 20)
try:
ftp.login(login, pwd)
ftp.cwd(path)
for files in ftp.nlst():
if files.endswith('.doc') or files.endswith('.DOC'):
ftp.retrbinary('RETR ' + files, open(file, 'wb').write)
print files
But when i use the for loop with ftp.nlst() to try to match an specific type of file, i receive the error:
coercing to Unicode: need string or buffer, type found
Since im not sure if this is the best way to do it, what could the "correct" way to download a file ?
Maybe try:
from ftplib import FTP
server = FTP("ip/serveradress")
server.login("user", "password")
server.retrlines("LIST") # Will show a FTP content list.
server.cwd("Name_Of_Folder_in_FTP_to_browse_to") # browse to folder containing your file for DL
then:
server.sendcmd("TYPE i") # ready for file transfer
server.retrbinary("RETR %s"%("FILENAME+EXT to DL"), open("DESTINATIONPATH+EXT", "wb").write) # this will transfer the selected file...to selected path/file
believe this is as correct as serves..
u can set server.set_debuglevel(0) to (1) or (2) for more detailed description while logged in to server.