Copying files locally with rsync and subprocess












2












$begingroup$


I have Python code to copy the Files locally on the Server from one Directory to another using rsync and subprocess module, this is just in continuation of the post from this post where I tried to get various insight but opted to use below code finally.



Please advise if this further can be improved or optimized in pythonic way and help to provide your esteemed reviews please.



#!/bin/python3

import os

import glob

import datetime

import subprocess



def Copy_Logs():

   # Variable Declaration to get the month and Curr_date_month

    Info_month = datetime.datetime.now().strftime("%B")

    Curr_date_month = datetime.datetime.now().strftime("%b_%d_%y") 

    Sourcedir = "/data1/logs"

    Destdir = "/data2/logs/"

    ###### End of your variable section #######################

    # The result of the below glob _is_ a full path

    for filename in glob.glob("{2}/{0}/{1}/*.txt".format(Info_month, Curr_date_month, Sourcedir)):

        if os.path.getsize(filename) > 0:

            if not os.path.exists(Destdir + os.path.basename(filename)):

                subprocess.call(['rsync', '-avz', '--min-size=1', filename, Destdir ])



if __name__ == '__main__':

    Copy_Logs()





python python-3.x







share|improve this question









New contributor




krock1516 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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$endgroup$

















    2












    $begingroup$


    I have Python code to copy the Files locally on the Server from one Directory to another using rsync and subprocess module, this is just in continuation of the post from this post where I tried to get various insight but opted to use below code finally.



    Please advise if this further can be improved or optimized in pythonic way and help to provide your esteemed reviews please.



    #!/bin/python3
    
import os
    
import glob
    
import datetime
    
import subprocess
    

    
def Copy_Logs():
    
   # Variable Declaration to get the month and Curr_date_month
    
    Info_month = datetime.datetime.now().strftime("%B")
    
    Curr_date_month = datetime.datetime.now().strftime("%b_%d_%y") 
    
    Sourcedir = "/data1/logs"
    
    Destdir = "/data2/logs/"
    
    ###### End of your variable section #######################
    
    # The result of the below glob _is_ a full path
    
    for filename in glob.glob("{2}/{0}/{1}/*.txt".format(Info_month, Curr_date_month, Sourcedir)):
    
        if os.path.getsize(filename) > 0:
    
            if not os.path.exists(Destdir + os.path.basename(filename)):
    
                subprocess.call(['rsync', '-avz', '--min-size=1', filename, Destdir ])
    

    
if __name__ == '__main__':
    
    Copy_Logs()





    python python-3.x







    share|improve this question









    New contributor




    krock1516 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$















      2












      2








      2





      $begingroup$


      I have Python code to copy the Files locally on the Server from one Directory to another using rsync and subprocess module, this is just in continuation of the post from this post where I tried to get various insight but opted to use below code finally.



      Please advise if this further can be improved or optimized in pythonic way and help to provide your esteemed reviews please.



      #!/bin/python3
      
import os
      
import glob
      
import datetime
      
import subprocess
      

      
def Copy_Logs():
      
   # Variable Declaration to get the month and Curr_date_month
      
    Info_month = datetime.datetime.now().strftime("%B")
      
    Curr_date_month = datetime.datetime.now().strftime("%b_%d_%y") 
      
    Sourcedir = "/data1/logs"
      
    Destdir = "/data2/logs/"
      
    ###### End of your variable section #######################
      
    # The result of the below glob _is_ a full path
      
    for filename in glob.glob("{2}/{0}/{1}/*.txt".format(Info_month, Curr_date_month, Sourcedir)):
      
        if os.path.getsize(filename) > 0:
      
            if not os.path.exists(Destdir + os.path.basename(filename)):
      
                subprocess.call(['rsync', '-avz', '--min-size=1', filename, Destdir ])
      

      
if __name__ == '__main__':
      
    Copy_Logs()





      python python-3.x







      share|improve this question









      New contributor




      krock1516 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      I have Python code to copy the Files locally on the Server from one Directory to another using rsync and subprocess module, this is just in continuation of the post from this post where I tried to get various insight but opted to use below code finally.



      Please advise if this further can be improved or optimized in pythonic way and help to provide your esteemed reviews please.



      #!/bin/python3
      
import os
      
import glob
      
import datetime
      
import subprocess
      

      
def Copy_Logs():
      
   # Variable Declaration to get the month and Curr_date_month
      
    Info_month = datetime.datetime.now().strftime("%B")
      
    Curr_date_month = datetime.datetime.now().strftime("%b_%d_%y") 
      
    Sourcedir = "/data1/logs"
      
    Destdir = "/data2/logs/"
      
    ###### End of your variable section #######################
      
    # The result of the below glob _is_ a full path
      
    for filename in glob.glob("{2}/{0}/{1}/*.txt".format(Info_month, Curr_date_month, Sourcedir)):
      
        if os.path.getsize(filename) > 0:
      
            if not os.path.exists(Destdir + os.path.basename(filename)):
      
                subprocess.call(['rsync', '-avz', '--min-size=1', filename, Destdir ])
      

      
if __name__ == '__main__':
      
    Copy_Logs()





      python python-3.x




      python python-3.x






      share|improve this question









      New contributor




      krock1516 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









      New contributor




      krock1516 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question








      edited 2 hours ago









      Jamal♦

      30.3k11116226




      30.3k11116226






      New contributor




      krock1516 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 15 hours ago









      krock1516krock1516

      1134




      1134




      New contributor




      krock1516 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





      New contributor





      krock1516 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      krock1516 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















          1 Answer
          1






          active

          oldest

          votes


















          2












          $begingroup$

          You're calling now() twice - what will happen if the month changes between those two calls?



          Your code skips all files that exist, even though your linked question indicates that you need to update changed files.



          Your code checks that file is non-empty, but rsync is already doing this for you with --min-size=1.



          More generally, before you code up file-sync logic, it's best to read the rsync man page and see if your problem is already solved. Syncing files is a task full of corner cases and gotchas; life is too short for you to find them all. Just let rsync take care of it, whenever possible.



          The code below will update changed files while skipping unchanged files (as in your problem description). If you want to copy only new, non-existing files (as in your posted code), add --ignore-existing to the rsync options.



          import datetime
          
import subprocess
          

          
def Copy_Logs():
          
    Sourcedir = datetime.datetime.now().strftime("/data1/logs/%B/%b_%d_%y/")
          
    Destdir = "/data2/logs/"
          
    subprocess.call(['rsync', '-avz', '--min-size=1', '--include=*.txt', '--exclude=*', Sourcedir, Destdir ])





          share|improve this answer









          $endgroup$









          • 1




            $begingroup$
            This is a good answer! I'd recommend using PEP8 names though (copy_logs, source_dir, and dest_dir). It may also be prudent to note that you may be able to achieve this with a bash oneliner like rsync -avz --min-size=1 --include=*.txt --exclude=* /data/logs/$(date "+%B/%b_%d_%y/") /data2/logs/. Don't pull out Python when you don't need to!
            $endgroup$
            – Bailey Parker
            5 hours ago










          • $begingroup$
            If this isn't part of some larger Python project, you're absolutely right and there's no reason to use more than rsync and a shell. I will point out that your one-liner should quote the wildcards (yes, they'll almost never get interpolated by the shell as-is, but will it ever be baffling on the day that you have a file named --exclude=!) and doesn't need to quote the date format: rsync -avz --min-size=1 --include="*.txt" --exclude="*" /data1/logs/$(date +%B/%b_%d_%y/) /data2/logs/
            $endgroup$
            – Oh My Goodness
            5 hours ago












          • $begingroup$
            @OhMyGoodness, thanks for giving the nice and precise details, However, current code I have do not skips all the files it only skips the empty files as I test the code by running it on my data but its current not to use own method while rsync is taking care that already.
            $endgroup$
            – krock1516
            3 hours ago












          • $begingroup$
            @BaileyParker, many thanks for a suggesting a nice one liner i'll keep that handy though.
            $endgroup$
            – krock1516
            3 hours ago










          • $begingroup$
            @krock1516 I don't understand how this doesn't skip existing files. What does if not os.path.exists(Destdir + os.path.basename(filename)): do? It tests that the file does not exist...
            $endgroup$
            – Oh My Goodness
            3 hours ago











          Your Answer





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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          2












          $begingroup$

          You're calling now() twice - what will happen if the month changes between those two calls?



          Your code skips all files that exist, even though your linked question indicates that you need to update changed files.



          Your code checks that file is non-empty, but rsync is already doing this for you with --min-size=1.



          More generally, before you code up file-sync logic, it's best to read the rsync man page and see if your problem is already solved. Syncing files is a task full of corner cases and gotchas; life is too short for you to find them all. Just let rsync take care of it, whenever possible.



          The code below will update changed files while skipping unchanged files (as in your problem description). If you want to copy only new, non-existing files (as in your posted code), add --ignore-existing to the rsync options.



          import datetime
          
import subprocess
          

          
def Copy_Logs():
          
    Sourcedir = datetime.datetime.now().strftime("/data1/logs/%B/%b_%d_%y/")
          
    Destdir = "/data2/logs/"
          
    subprocess.call(['rsync', '-avz', '--min-size=1', '--include=*.txt', '--exclude=*', Sourcedir, Destdir ])





          share|improve this answer









          $endgroup$









          • 1




            $begingroup$
            This is a good answer! I'd recommend using PEP8 names though (copy_logs, source_dir, and dest_dir). It may also be prudent to note that you may be able to achieve this with a bash oneliner like rsync -avz --min-size=1 --include=*.txt --exclude=* /data/logs/$(date "+%B/%b_%d_%y/") /data2/logs/. Don't pull out Python when you don't need to!
            $endgroup$
            – Bailey Parker
            5 hours ago










          • $begingroup$
            If this isn't part of some larger Python project, you're absolutely right and there's no reason to use more than rsync and a shell. I will point out that your one-liner should quote the wildcards (yes, they'll almost never get interpolated by the shell as-is, but will it ever be baffling on the day that you have a file named --exclude=!) and doesn't need to quote the date format: rsync -avz --min-size=1 --include="*.txt" --exclude="*" /data1/logs/$(date +%B/%b_%d_%y/) /data2/logs/
            $endgroup$
            – Oh My Goodness
            5 hours ago












          • $begingroup$
            @OhMyGoodness, thanks for giving the nice and precise details, However, current code I have do not skips all the files it only skips the empty files as I test the code by running it on my data but its current not to use own method while rsync is taking care that already.
            $endgroup$
            – krock1516
            3 hours ago












          • $begingroup$
            @BaileyParker, many thanks for a suggesting a nice one liner i'll keep that handy though.
            $endgroup$
            – krock1516
            3 hours ago










          • $begingroup$
            @krock1516 I don't understand how this doesn't skip existing files. What does if not os.path.exists(Destdir + os.path.basename(filename)): do? It tests that the file does not exist...
            $endgroup$
            – Oh My Goodness
            3 hours ago
















          2












          $begingroup$

          You're calling now() twice - what will happen if the month changes between those two calls?



          Your code skips all files that exist, even though your linked question indicates that you need to update changed files.



          Your code checks that file is non-empty, but rsync is already doing this for you with --min-size=1.



          More generally, before you code up file-sync logic, it's best to read the rsync man page and see if your problem is already solved. Syncing files is a task full of corner cases and gotchas; life is too short for you to find them all. Just let rsync take care of it, whenever possible.



          The code below will update changed files while skipping unchanged files (as in your problem description). If you want to copy only new, non-existing files (as in your posted code), add --ignore-existing to the rsync options.



          import datetime
          
import subprocess
          

          
def Copy_Logs():
          
    Sourcedir = datetime.datetime.now().strftime("/data1/logs/%B/%b_%d_%y/")
          
    Destdir = "/data2/logs/"
          
    subprocess.call(['rsync', '-avz', '--min-size=1', '--include=*.txt', '--exclude=*', Sourcedir, Destdir ])





          share|improve this answer









          $endgroup$









          • 1




            $begingroup$
            This is a good answer! I'd recommend using PEP8 names though (copy_logs, source_dir, and dest_dir). It may also be prudent to note that you may be able to achieve this with a bash oneliner like rsync -avz --min-size=1 --include=*.txt --exclude=* /data/logs/$(date "+%B/%b_%d_%y/") /data2/logs/. Don't pull out Python when you don't need to!
            $endgroup$
            – Bailey Parker
            5 hours ago










          • $begingroup$
            If this isn't part of some larger Python project, you're absolutely right and there's no reason to use more than rsync and a shell. I will point out that your one-liner should quote the wildcards (yes, they'll almost never get interpolated by the shell as-is, but will it ever be baffling on the day that you have a file named --exclude=!) and doesn't need to quote the date format: rsync -avz --min-size=1 --include="*.txt" --exclude="*" /data1/logs/$(date +%B/%b_%d_%y/) /data2/logs/
            $endgroup$
            – Oh My Goodness
            5 hours ago












          • $begingroup$
            @OhMyGoodness, thanks for giving the nice and precise details, However, current code I have do not skips all the files it only skips the empty files as I test the code by running it on my data but its current not to use own method while rsync is taking care that already.
            $endgroup$
            – krock1516
            3 hours ago












          • $begingroup$
            @BaileyParker, many thanks for a suggesting a nice one liner i'll keep that handy though.
            $endgroup$
            – krock1516
            3 hours ago










          • $begingroup$
            @krock1516 I don't understand how this doesn't skip existing files. What does if not os.path.exists(Destdir + os.path.basename(filename)): do? It tests that the file does not exist...
            $endgroup$
            – Oh My Goodness
            3 hours ago














          2












          2








          2





          $begingroup$

          You're calling now() twice - what will happen if the month changes between those two calls?



          Your code skips all files that exist, even though your linked question indicates that you need to update changed files.



          Your code checks that file is non-empty, but rsync is already doing this for you with --min-size=1.



          More generally, before you code up file-sync logic, it's best to read the rsync man page and see if your problem is already solved. Syncing files is a task full of corner cases and gotchas; life is too short for you to find them all. Just let rsync take care of it, whenever possible.



          The code below will update changed files while skipping unchanged files (as in your problem description). If you want to copy only new, non-existing files (as in your posted code), add --ignore-existing to the rsync options.



          import datetime
          
import subprocess
          

          
def Copy_Logs():
          
    Sourcedir = datetime.datetime.now().strftime("/data1/logs/%B/%b_%d_%y/")
          
    Destdir = "/data2/logs/"
          
    subprocess.call(['rsync', '-avz', '--min-size=1', '--include=*.txt', '--exclude=*', Sourcedir, Destdir ])





          share|improve this answer









          $endgroup$



          You're calling now() twice - what will happen if the month changes between those two calls?



          Your code skips all files that exist, even though your linked question indicates that you need to update changed files.



          Your code checks that file is non-empty, but rsync is already doing this for you with --min-size=1.



          More generally, before you code up file-sync logic, it's best to read the rsync man page and see if your problem is already solved. Syncing files is a task full of corner cases and gotchas; life is too short for you to find them all. Just let rsync take care of it, whenever possible.



          The code below will update changed files while skipping unchanged files (as in your problem description). If you want to copy only new, non-existing files (as in your posted code), add --ignore-existing to the rsync options.



          import datetime
          
import subprocess
          

          
def Copy_Logs():
          
    Sourcedir = datetime.datetime.now().strftime("/data1/logs/%B/%b_%d_%y/")
          
    Destdir = "/data2/logs/"
          
    subprocess.call(['rsync', '-avz', '--min-size=1', '--include=*.txt', '--exclude=*', Sourcedir, Destdir ])






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 8 hours ago









          Oh My GoodnessOh My Goodness

          25114




          25114








          • 1




            $begingroup$
            This is a good answer! I'd recommend using PEP8 names though (copy_logs, source_dir, and dest_dir). It may also be prudent to note that you may be able to achieve this with a bash oneliner like rsync -avz --min-size=1 --include=*.txt --exclude=* /data/logs/$(date "+%B/%b_%d_%y/") /data2/logs/. Don't pull out Python when you don't need to!
            $endgroup$
            – Bailey Parker
            5 hours ago










          • $begingroup$
            If this isn't part of some larger Python project, you're absolutely right and there's no reason to use more than rsync and a shell. I will point out that your one-liner should quote the wildcards (yes, they'll almost never get interpolated by the shell as-is, but will it ever be baffling on the day that you have a file named --exclude=!) and doesn't need to quote the date format: rsync -avz --min-size=1 --include="*.txt" --exclude="*" /data1/logs/$(date +%B/%b_%d_%y/) /data2/logs/
            $endgroup$
            – Oh My Goodness
            5 hours ago












          • $begingroup$
            @OhMyGoodness, thanks for giving the nice and precise details, However, current code I have do not skips all the files it only skips the empty files as I test the code by running it on my data but its current not to use own method while rsync is taking care that already.
            $endgroup$
            – krock1516
            3 hours ago












          • $begingroup$
            @BaileyParker, many thanks for a suggesting a nice one liner i'll keep that handy though.
            $endgroup$
            – krock1516
            3 hours ago










          • $begingroup$
            @krock1516 I don't understand how this doesn't skip existing files. What does if not os.path.exists(Destdir + os.path.basename(filename)): do? It tests that the file does not exist...
            $endgroup$
            – Oh My Goodness
            3 hours ago














          • 1




            $begingroup$
            This is a good answer! I'd recommend using PEP8 names though (copy_logs, source_dir, and dest_dir). It may also be prudent to note that you may be able to achieve this with a bash oneliner like rsync -avz --min-size=1 --include=*.txt --exclude=* /data/logs/$(date "+%B/%b_%d_%y/") /data2/logs/. Don't pull out Python when you don't need to!
            $endgroup$
            – Bailey Parker
            5 hours ago










          • $begingroup$
            If this isn't part of some larger Python project, you're absolutely right and there's no reason to use more than rsync and a shell. I will point out that your one-liner should quote the wildcards (yes, they'll almost never get interpolated by the shell as-is, but will it ever be baffling on the day that you have a file named --exclude=!) and doesn't need to quote the date format: rsync -avz --min-size=1 --include="*.txt" --exclude="*" /data1/logs/$(date +%B/%b_%d_%y/) /data2/logs/
            $endgroup$
            – Oh My Goodness
            5 hours ago












          • $begingroup$
            @OhMyGoodness, thanks for giving the nice and precise details, However, current code I have do not skips all the files it only skips the empty files as I test the code by running it on my data but its current not to use own method while rsync is taking care that already.
            $endgroup$
            – krock1516
            3 hours ago












          • $begingroup$
            @BaileyParker, many thanks for a suggesting a nice one liner i'll keep that handy though.
            $endgroup$
            – krock1516
            3 hours ago










          • $begingroup$
            @krock1516 I don't understand how this doesn't skip existing files. What does if not os.path.exists(Destdir + os.path.basename(filename)): do? It tests that the file does not exist...
            $endgroup$
            – Oh My Goodness
            3 hours ago








          1




          1




          $begingroup$
          This is a good answer! I'd recommend using PEP8 names though (copy_logs, source_dir, and dest_dir). It may also be prudent to note that you may be able to achieve this with a bash oneliner like rsync -avz --min-size=1 --include=*.txt --exclude=* /data/logs/$(date "+%B/%b_%d_%y/") /data2/logs/. Don't pull out Python when you don't need to!
          $endgroup$
          – Bailey Parker
          5 hours ago




          $begingroup$
          This is a good answer! I'd recommend using PEP8 names though (copy_logs, source_dir, and dest_dir). It may also be prudent to note that you may be able to achieve this with a bash oneliner like rsync -avz --min-size=1 --include=*.txt --exclude=* /data/logs/$(date "+%B/%b_%d_%y/") /data2/logs/. Don't pull out Python when you don't need to!
          $endgroup$
          – Bailey Parker
          5 hours ago












          $begingroup$
          If this isn't part of some larger Python project, you're absolutely right and there's no reason to use more than rsync and a shell. I will point out that your one-liner should quote the wildcards (yes, they'll almost never get interpolated by the shell as-is, but will it ever be baffling on the day that you have a file named --exclude=!) and doesn't need to quote the date format: rsync -avz --min-size=1 --include="*.txt" --exclude="*" /data1/logs/$(date +%B/%b_%d_%y/) /data2/logs/
          $endgroup$
          – Oh My Goodness
          5 hours ago






          $begingroup$
          If this isn't part of some larger Python project, you're absolutely right and there's no reason to use more than rsync and a shell. I will point out that your one-liner should quote the wildcards (yes, they'll almost never get interpolated by the shell as-is, but will it ever be baffling on the day that you have a file named --exclude=!) and doesn't need to quote the date format: rsync -avz --min-size=1 --include="*.txt" --exclude="*" /data1/logs/$(date +%B/%b_%d_%y/) /data2/logs/
          $endgroup$
          – Oh My Goodness
          5 hours ago














          $begingroup$
          @OhMyGoodness, thanks for giving the nice and precise details, However, current code I have do not skips all the files it only skips the empty files as I test the code by running it on my data but its current not to use own method while rsync is taking care that already.
          $endgroup$
          – krock1516
          3 hours ago






          $begingroup$
          @OhMyGoodness, thanks for giving the nice and precise details, However, current code I have do not skips all the files it only skips the empty files as I test the code by running it on my data but its current not to use own method while rsync is taking care that already.
          $endgroup$
          – krock1516
          3 hours ago














          $begingroup$
          @BaileyParker, many thanks for a suggesting a nice one liner i'll keep that handy though.
          $endgroup$
          – krock1516
          3 hours ago




          $begingroup$
          @BaileyParker, many thanks for a suggesting a nice one liner i'll keep that handy though.
          $endgroup$
          – krock1516
          3 hours ago












          $begingroup$
          @krock1516 I don't understand how this doesn't skip existing files. What does if not os.path.exists(Destdir + os.path.basename(filename)): do? It tests that the file does not exist...
          $endgroup$
          – Oh My Goodness
          3 hours ago




          $begingroup$
          @krock1516 I don't understand how this doesn't skip existing files. What does if not os.path.exists(Destdir + os.path.basename(filename)): do? It tests that the file does not exist...
          $endgroup$
          – Oh My Goodness
          3 hours ago










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