topic Is it possible to specify max length for arcpy parameter of datatype GPString? in Python Questions https://community.esri.com/t5/python-questions/is-it-possible-to-specify-max-length-for-arcpy/m-p/725448#M56205 <HTML><HEAD></HEAD><BODY><P>In my Python GP tool <STRONG>getParameterInfo</STRONG> method I want to declare a string parameter like this:</P><PRE class="lia-code-sample line-numbers language-none"><CODE><SPAN class="keyword token">def</SPAN> <SPAN class="token function">getParameterInfo</SPAN><SPAN class="punctuation token">(</SPAN>self<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">:</SPAN> <SPAN class="string token">"""Define parameter definitions"""</SPAN> paramName <SPAN class="operator token">=</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>Parameter<SPAN class="punctuation token">(</SPAN> displayName <SPAN class="operator token">=</SPAN> <SPAN class="string token">'Name'</SPAN><SPAN class="punctuation token">,</SPAN> name <SPAN class="operator token">=</SPAN> <SPAN class="string token">'in_name'</SPAN><SPAN class="punctuation token">,</SPAN> datatype <SPAN class="operator token">=</SPAN> <SPAN class="string token">'GPString'</SPAN><SPAN class="punctuation token">,</SPAN> parameterType <SPAN class="operator token">=</SPAN> <SPAN class="string token">'Required'</SPAN><SPAN class="punctuation token">,</SPAN> direction <SPAN class="operator token">=</SPAN> <SPAN class="string token">'Input'</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">return</SPAN> <SPAN class="punctuation token">[</SPAN>paramName<SPAN class="punctuation token">]</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><P>Can I specify maximum length of it her? I want 255 as this input will go to the table attribute of varchar(255).</P><P></P><P>Or I should deal with such validation myself in <STRONG>updateParameters</STRONG>/<STRONG>updateMessages</STRONG> methods?</P></BODY></HTML> Sun, 12 Dec 2021 07:01:23 GMT RemigijusPankevičius 2021-12-12T07:01:23Z Is it possible to specify max length for arcpy parameter of datatype GPString? https://community.esri.com/t5/python-questions/is-it-possible-to-specify-max-length-for-arcpy/m-p/725448#M56205 <HTML><HEAD></HEAD><BODY><P>In my Python GP tool <STRONG>getParameterInfo</STRONG> method I want to declare a string parameter like this:</P><PRE class="lia-code-sample line-numbers language-none"><CODE><SPAN class="keyword token">def</SPAN> <SPAN class="token function">getParameterInfo</SPAN><SPAN class="punctuation token">(</SPAN>self<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">:</SPAN> <SPAN class="string token">"""Define parameter definitions"""</SPAN> paramName <SPAN class="operator token">=</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>Parameter<SPAN class="punctuation token">(</SPAN> displayName <SPAN class="operator token">=</SPAN> <SPAN class="string token">'Name'</SPAN><SPAN class="punctuation token">,</SPAN> name <SPAN class="operator token">=</SPAN> <SPAN class="string token">'in_name'</SPAN><SPAN class="punctuation token">,</SPAN> datatype <SPAN class="operator token">=</SPAN> <SPAN class="string token">'GPString'</SPAN><SPAN class="punctuation token">,</SPAN> parameterType <SPAN class="operator token">=</SPAN> <SPAN class="string token">'Required'</SPAN><SPAN class="punctuation token">,</SPAN> direction <SPAN class="operator token">=</SPAN> <SPAN class="string token">'Input'</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">return</SPAN> <SPAN class="punctuation token">[</SPAN>paramName<SPAN class="punctuation token">]</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><P>Can I specify maximum length of it her? I want 255 as this input will go to the table attribute of varchar(255).</P><P></P><P>Or I should deal with such validation myself in <STRONG>updateParameters</STRONG>/<STRONG>updateMessages</STRONG> methods?</P></BODY></HTML> Sun, 12 Dec 2021 07:01:23 GMT https://community.esri.com/t5/python-questions/is-it-possible-to-specify-max-length-for-arcpy/m-p/725448#M56205 RemigijusPankevičius 2021-12-12T07:01:23Z