<div dir="ltr"><div><div>AFAIU, string.Template doesn't help.<br><br></div>This seems to be helpful:<br><br><pre style="" class="lang-py prettyprint prettyprinted"><code><span class="kwd">import</span><span class="pln"> re

</span><span class="kwd">def</span><span class="pln"> interp</span><span class="pun">(</span><span class="pln">string</span><span class="pun">,</span><span class="pln"> params</span><span class="pun">):</span><span class="pln">
  </span><span class="kwd">for</span><span class="pln"> item </span><span class="kwd">in</span><span class="pln"> re</span><span class="pun">.</span><span class="pln">findall</span><span class="pun">(</span><span class="pln">r</span><span class="str">'#\{([^}]*)\}'</span><span class="pun">,</span><span class="pln"> string</span><span class="pun">):</span><span class="pln">
    string </span><span class="pun">=</span><span class="pln"> string</span><span class="pun">.</span><span class="pln">replace</span><span class="pun">(</span><span class="str">'#{%s}'</span><span class="pln"> </span><span class="pun">%</span><span class="pln"> item</span><span class="pun">,</span><span class="pln"> str</span><span class="pun">(</span><span class="pln">eval</span><span class="pun">(</span><span class="pln">item</span><span class="pun">,</span><span class="pln"> </span><span class="pun">{},</span><span class="pln"> params</span><span class="pun">)))</span><span class="pln">
  </span><span class="kwd">return</span><span class="pln"> string</span></code></pre><br></div>Evgeniy, do you know some better options for this?<br><br><br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr">Aleksey Kasatkin
<br><br></div></div></div>
<br><div class="gmail_quote">On Tue, Jul 28, 2015 at 1:12 PM, Sergey Vasilenko <span dir="ltr"><<a href="mailto:svasilenko@mirantis.com" target="_blank">svasilenko@mirantis.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><span class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>If we need only substitution, probably it's better to use standard templating<br></div><div>in python [1], there is a way to redefine tokens, so you will be able to use</div><div><% %> syntax if you want to.</div><div><br></div><div>[1] <a href="https://docs.python.org/dev/library/string.html#template-strings" target="_blank">https://docs.python.org/2.6/library/string.html#template-strings</a></div><div>[2] <a href="http://pymotw.com/2/string/#advanced-templates" target="_blank">http://pymotw.com/2/string/#advanced-templates</a></div></div></blockquote><div><br></div></span><div>I think it's a better solution for this issue.</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>/sv </div></font></span></div></div></div>
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