Lock directory when uploading to it - python

I've been thinking of updating the directory name with username and datetime when an user uploads files to it. So that the newest upload from a user would show on it. I have a upload function and rename like so:
# Check if form is valid and upload
if form.is_valid():
form.save(request.FILES, request)
# Edit the previous folder to have new datetime and user marking if the folder has such.
currentPath = post_data.get('path').encode("utf-8")
prevfolder = os.path.basename(post_data.get('path').encode("utf-8"))
try:
casename, rest = prevfolder.split(" [",1)
#print(casename)
dest = renameOnUpload(request,currentPath, casename)
except:
dest = form.path
return HttpResponseRedirect('/fm/list/%s' % dest)
def renameOnUpload(request,path,casename):
datetime_string = get_currenttime()
user_string = " ["+ request.user.username + "]"
newcasename = casename+user_string.encode("utf-8")+datetime_string
dest = os.path.join(os.path.dirname(path), newcasename)
if not path == dest:
fmoper.move(path, dest)
else:
dest = path
return dest
fmoper.move
def move(src, dst, replace=False):
ensure_dir(dst) # Ensure that we have a destination folder, if not create it.
if not replace and os.path.exists(dst):
dst = existname(dst)
return shutil.move(src, dst)
So it uploads the files and does a move after. Which causes problems when an user is uploading and another one uploads at the same time, renaming the folder in the process causing one uploader to upload to an folder that doesn't exist.
Is there some neat way I could lock the folder when an user is uploading to it? currentPath is the folder uploaded to and dest the renamed one.

Related

I can't find my uploaded files in Dropbox

I'm working on uploading some countries' admin data to my Dropbox app. Here below is my code that does that:
# importing the required libraries
import dropbox, sys, os
import requests
# Get your app key and secret from the Dropbox developer website
app_key = 'qie********'
app_secret = 'qom**********'
dbx = dropbox.Dropbox('YYPRp-*******************_JzclLe-***************-3Js')
# verify if the account is connected
dbx.users_get_current_account()
#find all the folders present
for entry in dbx.files_list_folder('').entries:
print(entry.name)
# creating a path to where all the data to be uploaded is
root_dir = "H:/WORK/Upwork/Project 7 - Python School Data Analysis/Planning and Costing Model/Updated Script/Extracted"
print ("Attempting to upload...")
z = 1
for dir, dirs, files in os.walk(root_dir):
# the first dir is the root dir itself so we skip it
if z == 1:
z = z + 1
continue
# uploading contents of the file path
elif z > 15:
# split the path to get the country, which is the very last item after split (-1)
split_dir = dir.split('\\')
folder_name = split_dir[-1] # country name
# creating a new folder in my Dropbox for each country
country_name = dbx.files_create_folder('/Data/'+ folder_name)
dropbox_folder = country_name.path_display #obtaining the name of the folder
folder_split = dropbox_folder.split('/') # splitting the path to get root folder and created folder
folder_created = folder_split[-1] #created/country folder
dest_path = os.path.join('/Data/', folder_created) #joining the two to make a full path
print(dest_path)
# looping through the files in each of the country's folder
for file in files:
try:
# getting the path for each of the file in the folder
file_path = os.path.join(dir, file)
print(f'Uploading to {folder_name} in Dropbox')
f = open(file_path, 'rb')
connect = '/' # will be used to separate the destination path and the file
# this is where the file will be saved
d_path = os.path.join(dest_path, connect, file)
dbx.files_upload(f.read(), d_path, mode=dropbox.files.WriteMode.overwrite)
print(dest_path)
print(file_path)
print(dir)
print('\n')
except Exception as err:
print("Error!", file, err)
z = z + 1
The code runs successfully with no errors. Here is how it looks at the console:
It successfully creates the folders for each of the countries. Note that in my countries' folders, it has several files (max of 15). When I visit my dropbox app, the folders are there but nothing is inside the folders. There are completely not files, I receive the message notification that says:
This Folder is Empty
See below the images:
With folders created
One of the countries, with no files:
I have given it over an hour but nothing changes. Also note that I configured all permissions necessary for writing files and folders. Could there be something I may have done wrong? I will appreciate any assistance. Thanks!
After some help from Greg, I was able to find where the issue was. The files_upload class functions expects a working path as part of its parameters. The path provided could not be found in the App and so I added the following to make it work: d_path = dest_path+d_path
Here is the full working code:
# importing the required libraries
import dropbox, sys, os
import requests
# Get your app key and secret from the Dropbox developer website
app_key = 'qie********'
app_secret = 'qom**********'
dbx = dropbox.Dropbox('YYPRp-*******************_JzclLe-***************-3Js')
# verify if the account is connected
dbx.users_get_current_account()
#find all the folders present
for entry in dbx.files_list_folder('').entries:
print(entry.name)
# creating a path to where all the data to be uploaded is
root_dir = "H:/WORK/Upwork/Project 7 - Python School Data Analysis/Planning and Costing Model/Updated Script/Extracted"
print ("Attempting to upload...")
z = 1
for dir, dirs, files in os.walk(root_dir):
# the first dir is the root dir itself so we skip it
if z == 1:
z = z + 1
continue
# uploading contents of the file path
elif z > 15:
# split the path to get the country, which is the very last item after split (-1)
split_dir = dir.split('\\')
folder_name = split_dir[-1] # country name
# creating a new folder in my Dropbox for each country
country_name = dbx.files_create_folder('/Data/'+ folder_name)
dropbox_folder = country_name.path_display #obtaining the name of the folder
folder_split = dropbox_folder.split('/') # splitting the path to get root folder and created folder
folder_created = folder_split[-1] #created/country folder
dest_path = os.path.join('/Data/', folder_created) #joining the two to make a full path
print(dest_path)
# looping through the files in each of the country's folder
for file in files:
try:
# getting the path for each of the file in the folder
file_path = os.path.join(dir, file)
print(f'Uploading to {folder_name} in Dropbox')
f = open(file_path, 'rb')
connect = '/' # will be used to separate the destination path and the file
# this is where the file will be saved
d_path = os.path.join(dest_path, connect, file)
d_path = dest_path+d_path
dbx.files_upload(f.read(), d_path, mode=dropbox.files.WriteMode.overwrite)
print(dest_path)
print(file_path)
print(dir)
print('\n')
except Exception as err:
print("Error!", file, err)
z = z + 1

Can i have two different sets of app configurations?

I have made a flask server REST API that does an upload to a specific folder.
The upload must comply to a specific file extension, and must be in a specific folder.
So i made these two app.configs:
app.config['UPLOAD_EXTENSIONS'] = ['.stp', '.step']
app.config['UPLOAD_PATH'] = 'uploads'
However, i want to make a new route, for a new upload of a specific file extension to another folder.
So can i have two sets of app.config['UPLOAD_EXTENSIONS'] and app.config['UPLOAD_PATH']?
One set will be for extension1 in folder1 and the other set for extension2 in folder2.
Try using the extension Flask-Uploads .
Or, proceeding from the file format, form a subdirectory in your UPLOAD_PATH.
import os
def select_directory(filename: str) -> str:
file_format = filename.split('.')[1]
your_path1 = 'path1'
your_path2 = 'path2'
if file_format in ('your format1', 'your format2'):
full_path = os.path.join(app.config['UPLOAD_FOLDER'], your_path1, filename)
else:
full_path = os.path.join(app.config['UPLOAD_FOLDER'], your_path2, filename)
return full_path

UploadWriteFailed(reason=WriteError('disallowed_name', None)

I'm trying to upload a whole folder to dropbox but only the files get uploaded. Should I create a folder programatically or can I solve the folder-uploading so simple? Thanks
import os
import dropbox
access_token = '***********************'
dbx = dropbox.Dropbox(access_token)
dropbox_destination = '/live'
local_directory = 'C:/Users/xoxo/Desktop/man'
for root, dirs, files in os.walk(local_directory):
for filename in files:
local_path = root + '/' + filename
print("local_path", local_path)
relative_path = os.path.relpath(local_path, local_directory)
dropbox_path = dropbox_destination + '/' + relative_path
# upload the file
with open(local_path, 'rb') as f:
dbx.files_upload(f.read(), dropbox_path)
error:
dropbox.exceptions.ApiError: ApiError('xxf84e5axxf86', UploadError('path', UploadWriteFailed(reason=WriteError('disallowed_name', None), upload_session_id='xxxxxxxxxxx')))
[Cross-linking for reference: https://www.dropboxforum.com/t5/API-support/UploadWriteFailed-reason-WriteError-disallowed-name-None/td-p/245765 ]
There are a few things to note here:
In your sample, you're only iterating over files, so you won't get dirs uploaded/created.
The /2/files/upload endpoint only accepts file uploads, not folders. If you want to create folders, use /2/files/create_folder_v2. You don't need to explicitly create folders for any parent folders in the path for files you upload via /2/files/upload though. Those will be automatically created with the upload.
Per the /2/files/upload documentation, disallowed_name means:
Dropbox will not save the file or folder because of its name.
So, it's likely you're getting this error because you're trying to upload an ignored filed, e.g., ".DS_STORE". You can find more information on those in this help article under "Ignored files".

How to get path of sub directory of a temporary directory in Django

I need to pass path of subdirectory of a temporary directory to another function.
Real scenario:
User will upload a zip or tar archive then it will be extracted inside a temporary directory, now I need the path of that extracted directory.
is there a way to get path of a subdirectory in case we couldn't known the name of that directory?
Here's what I'm doing in code;
views.py
if form.is_valid():
deployment = TarWithDocker()
deployment.name = form.cleaned_data['name']
deployment.user = request.user
deployment.archive = form.cleaned_data['archive']
deployment.save()
tmpdir = tempfile.mkdtemp()
saved_umask = os.umask(0o077)
path = os.path.join(tmpdir)
arpath = deployment.archive.path
patoolib.extract_archive(arpath, outdir=path)
client = docker.from_env()
dirp = os.path.join(path)
client.images.build(path=# Here i need to pass sub path of directory of temp dir #}
, gzip=False, tag='newdep')
os.umask(saved_umask)
shutil.rmtree(tmpdir)
Help me, please!
Thanks in Advance!
Given that you are running
client = docker.from_env()
client.images.build(...)
I will assume that you are expecting a Dockerfile in the archive.
So after extracting the data into tmpdir, try this:
import glob
docker_glob = os.path.join(tmpdir, "*", "Dockerfile")
docker_file = glob.glob(docker_glob)[0]
docker_folder = os.path.dirname(docker_file)
client.images.build(path=docker_folder, ...)

Downloading a directory tree with ftplib

This will not download the contents of sub-directories; how can I do so?
import ftplib
import configparser
import os
directories = []
def add_directory(line):
if line.startswith('d'):
bits = line.split()
dirname = bits[8]
directories.append(dirname)
def makeDir(archiveTo):
for dir in directories:
newDir = os.path.join(archiveTo, dir)
if os.path.isdir(newDir) == True:
print("Directory \"" + dir + "\" already exists!")
else:
os.mkdir(newDir)
def getFiles(archiveTo, ftp):
files = ftp.nlst()
for filename in files:
try:
directories.index(filename)
except:
ftp.retrbinary('RETR %s' % filename, open(os.path.join(archiveTo, filename), 'wb').write)
def runBackups():
#Load INI
filename = 'connections.ini'
config = configparser.SafeConfigParser()
config.read(filename)
connections = config.sections()
i = 0
while i < len(connections):
#Load Settings
uri = config.get(connections[i], "uri")
username = config.get(connections[i], "username")
password = config.get(connections[i], "password")
backupPath = config.get(connections[i], "backuppath")
archiveTo = config.get(connections[i], "archiveto")
#Start Back-ups
ftp = ftplib.FTP(uri)
ftp.login(username, password)
ftp.cwd(backupPath)
#Map Directory Tree
ftp.retrlines('LIST', add_directory)
#Make Directories Locally
makeDir(archiveTo)
#Gather Files
getFiles(archiveTo, ftp)
#End connection and increase counter.
ftp.quit()
i += 1
print()
print("Back-ups complete.")
print()
this should do the trick :)
import sys
import ftplib
import os
from ftplib import FTP
ftp=FTP("ftp address")
ftp.login("user","password")
def downloadFiles(path,destination):
#path & destination are str of the form "/dir/folder/something/"
#path should be the abs path to the root FOLDER of the file tree to download
try:
ftp.cwd(path)
#clone path to destination
os.chdir(destination)
os.mkdir(destination[0:len(destination)-1]+path)
print destination[0:len(destination)-1]+path+" built"
except OSError:
#folder already exists at destination
pass
except ftplib.error_perm:
#invalid entry (ensure input form: "/dir/folder/something/")
print "error: could not change to "+path
sys.exit("ending session")
#list children:
filelist=ftp.nlst()
for file in filelist:
try:
#this will check if file is folder:
ftp.cwd(path+file+"/")
#if so, explore it:
downloadFiles(path+file+"/",destination)
except ftplib.error_perm:
#not a folder with accessible content
#download & return
os.chdir(destination[0:len(destination)-1]+path)
#possibly need a permission exception catch:
with open(os.path.join(destination,file),"wb") as f:
ftp.retrbinary("RETR "+file, f.write)
print file + " downloaded"
return
source="/ftproot/folder_i_want/"
dest="/systemroot/where_i_want_it/"
downloadFiles(source,dest)
This is a very old question, but I had a similar need that i wanted to satisfy in a very general manner. I ended up writing my own solution that works very well for me. I've placed it on Gist here https://gist.github.com/Jwely/ad8eb800bacef9e34dd775f9b3aad987
and pasted it below in case i ever take the gist offline.
Example usage:
import ftplib
ftp = ftplib.FTP(mysite, username, password)
download_ftp_tree(ftp, remote_dir, local_dir)
The code above will look for a directory called "remote_dir" on the ftp host, and then duplicate the directory and its entire contents into the "local_dir".
It invokes the script below.
import ftplib
import os
def _is_ftp_dir(ftp_handle, name, guess_by_extension=True):
""" simply determines if an item listed on the ftp server is a valid directory or not """
# if the name has a "." in the fourth to last position, its probably a file extension
# this is MUCH faster than trying to set every file to a working directory, and will work 99% of time.
if guess_by_extension is True:
if name[-4] == '.':
return False
original_cwd = ftp_handle.pwd() # remember the current working directory
try:
ftp_handle.cwd(name) # try to set directory to new name
ftp_handle.cwd(original_cwd) # set it back to what it was
return True
except:
return False
def _make_parent_dir(fpath):
""" ensures the parent directory of a filepath exists """
dirname = os.path.dirname(fpath)
while not os.path.exists(dirname):
try:
os.mkdir(dirname)
print("created {0}".format(dirname))
except:
_make_parent_dir(dirname)
def _download_ftp_file(ftp_handle, name, dest, overwrite):
""" downloads a single file from an ftp server """
_make_parent_dir(dest)
if not os.path.exists(dest) or overwrite is True:
with open(dest, 'wb') as f:
ftp_handle.retrbinary("RETR {0}".format(name), f.write)
print("downloaded: {0}".format(dest))
else:
print("already exists: {0}".format(dest))
def _mirror_ftp_dir(ftp_handle, name, overwrite, guess_by_extension):
""" replicates a directory on an ftp server recursively """
for item in ftp_handle.nlst(name):
if _is_ftp_dir(ftp_handle, item):
_mirror_ftp_dir(ftp_handle, item, overwrite, guess_by_extension)
else:
_download_ftp_file(ftp_handle, item, item, overwrite)
def download_ftp_tree(ftp_handle, path, destination, overwrite=False, guess_by_extension=True):
"""
Downloads an entire directory tree from an ftp server to the local destination
:param ftp_handle: an authenticated ftplib.FTP instance
:param path: the folder on the ftp server to download
:param destination: the local directory to store the copied folder
:param overwrite: set to True to force re-download of all files, even if they appear to exist already
:param guess_by_extension: It takes a while to explicitly check if every item is a directory or a file.
if this flag is set to True, it will assume any file ending with a three character extension ".???" is
a file and not a directory. Set to False if some folders may have a "." in their names -4th position.
"""
os.chdir(destination)
_mirror_ftp_dir(ftp_handle, path, overwrite, guess_by_extension)
this is an alternative. you can try using ftputil package. You can then use it to walk the remote directories and get your files
Using ftp.mlsd() instead of ftp.nlst():
import sys
import ftplib
import os
from ftplib import FTP
def fetchFiles(ftp, path, destination, overwrite=True):
'''Fetch a whole folder from ftp. \n
Parameters
----------
ftp : ftplib.FTP object
path : string ('/dir/folder/')
destination : string ('D:/dir/folder/') folder where the files will be saved
overwrite : bool - Overwrite file if already exists.
'''
try:
ftp.cwd(path)
os.mkdir(destination[:-1] + path)
print('New folder made: ' + destination[:-1] + path)
except OSError:
# folder already exists at the destination
pass
except ftplib.error_perm:
# invalid entry (ensure input form: "/dir/folder/")
print("error: could not change to " + path)
sys.exit("ending session")
# list children:
filelist = [i for i in ftp.mlsd()]
print('Current folder: ' + filelist.pop(0)[0])
for file in filelist:
if file[1]['type'] == 'file':
fullpath = os.path.join(destination[:-1] + path, file[0])
if (not overwrite and os.path.isfile(fullpath)):
continue
else:
with open(fullpath, 'wb') as f:
ftp.retrbinary('RETR ' + file[0], f.write)
print(file[0] + ' downloaded')
elif file[1]['type'] == 'dir':
fetchFiles(ftp, path + file[0] + '/', destination, overwrite)
else:
print('Unknown type: ' + file[1]['type'])
if __name__ == "__main__":
ftp = FTP('ftp address')
ftp.login('user', 'password')
source = r'/Folder/'
dest = r'D:/Data/'
fetchFiles(ftp, source, dest, overwrite=True)
ftp.quit()
Using ftputil, a fast solution could be:
def download(folder):
for item in ftp.walk(folder):
print("Creating dir " + item[0])
os.mkdir(item[0])
for subdir in item[1]:
print("Subdirs " + subdir)
for file in item[2]:
print(r"Copying File {0} \ {1}".format(item[0], file))
ftp.download(ftp.path.join(item[0],file), os.path.join(item[0],file))
It is non-trivial at least. In the simplest case, you only assume you have files and directories. This isn't always the case, there are softlinks and hardlinks and Windows-style shortcut. Softlink and directory shortcut are particularly problematic since they make recursive directory possible, which would confuse naive-ly implemented ftp grabber.
How would you handle such recursive directory depends on your need; you might simply not follow softlinks or you might try to detect recursive links. Detecting recursive link is inherently tricky, you cannot do it reliably.

Categories

Resources