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POcalling rsync from python subprocess.call
 

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    <p>I'm trying to execute rsync over ssh from a subprocess in a python script to copy images from one server to another. I have a function defined as:</p> <pre><code>def rsyncBookContent(bookIds, serverEnv): bookPaths = "" if len(bookIds) &gt; 1: bookPaths = "{" + ",".join(("book_"+str(x)) for x in bookIds) + "}" else: bookPaths = "book_" + str(bookIds[0]) for host in serverEnv['content.hosts']: args = ["rsync", "-avz", "--include='*/'", "--include='*.jpg'", "--exclude='*'", "-e", "ssh", options.bookDestDir + "/" + bookPaths, "jill@" + host + ":/home/jill/web/public/static/"] print "executing " + ' '.join(args) subprocess.call(args) </code></pre> <p>What I'm ultimately trying to do is have Python execute this (which works from a bash shell):</p> <pre><code>rsync -avz --include='*/' --include='*.jpg' --exclude='*' -e ssh /shared/books/{book_482,book_347} jill@10.12.27.20:/home/jill/web/public/static/ </code></pre> <p>And indeed my print statement outputs:</p> <pre><code>executing rsync -avz --include='*/' --include='*.jpg' --exclude='*' -e ssh /shared/books/{book_482,book_347} jill@10.12.27.20:/home/jill/web/public/static/ </code></pre> <p>But when executed from within this python script, there are two problems:</p> <ol> <li>if len(bookIds) > 1, the list of sub-directories under /shared/books/ is somehow misinterpreted by bash or rsync. The error message is: <ul> <li>rsync: link_stat "/shared/books/{book_482,book_347}" failed: No such file or directory (2))</li> </ul></li> <li>if len(bookIds) == 1, <em>all</em> files under the source directory are rsynced (not just *.jpg, as is my intention)</li> </ol> <p>Seems as if the subprocess.call function requires some characters to be escaped or something, no?</p>
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    1. COOut of curiosity, what happens if you set `shell=True` in your call? For instance, `subprocess.call(args, shell=True)`
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