(Chilkat2-Python) FTP Non-Recursive Sync Directory (Download)

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Download files from the server that have filenames matchhing a pattern, and don't yet exist in a local directory.

Chilkat2 Python Downloads install with pip pip3 install chilkat2 or download... Python Module for Windows, Linux, Alpine Linux, MacOS, Solaris

import sys
import chilkat2

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

ftp = chilkat2.Ftp2()

ftp.Hostname = "ftp.example.com"
ftp.Username = "myUsername"
ftp.Password = "myPassword"
ftp.Port = 21
ftp.AuthTls = True

# Connect and login to the FTP server.
success = ftp.Connect()
if (success != True):
    print(ftp.LastErrorText)
    sys.exit()

# Change to the remote directory where the files are located.
# This step is only necessary if the files are not in the root directory
# of the FTP account.
success = ftp.ChangeRemoteDir("qa")
if (success != True):
    print(ftp.LastErrorText)
    sys.exit()

# Indicate that we only want to download files with filenames ending in ".txt"
ftp.SyncMustMatch = "*.txt"

# Modes for synchronization are as follows:
# mode=0: Download all files
# mode=1: Download all files that do not exist on the local filesystem.
# mode=2: Download newer or non-existant files.
# mode=3: Download only newer files. If a file does not already exist on the local filesystem, it is not downloaded from the server.
# mode=5: Download only missing files or files with size differences.
# mode=6: Same as mode 5, but also download newer files.
# mode=99: Do not download files, but instead delete remote files that do not exist locally.
mode = 1

# Download all files matching "*.txt" from the current remote ftp directory.
# The files are downloaded into c:/temp/qa_output
success = ftp.SyncLocalDir("c:/temp/qa_output",mode)
if (success != True):
    print(ftp.LastErrorText)
    sys.exit()

# We can see what files were downloaded in the SyncedFiles property,
# which lists the files one per line.
print(ftp.SyncedFiles)

# Perhaps we wish to delete the files we just downloaded from the server..
sb = chilkat2.StringBuilder()
sb.Append(ftp.SyncedFiles)

st = chilkat2.StringTable()
st.AppendFromSb(sb)

numFiles = st.Count
i = 0

while i < numFiles :
    remoteFilename = st.StringAt(i)
    print("Deleting " + remoteFilename + " from the FTP server")
    success = ftp.DeleteRemoteFile(remoteFilename)
    if (success != True):
        print(ftp.LastErrorText)
        sys.exit()

    i = i + 1

success = ftp.Disconnect()