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    <title>DEV Community: filipemot</title>
    <description>The latest articles on DEV Community by filipemot (@filipemot).</description>
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      <title>Descobrindo as Senhas de Wi-Fi salvas com Python</title>
      <dc:creator>filipemot</dc:creator>
      <pubDate>Sat, 29 Jan 2022 00:34:09 +0000</pubDate>
      <link>https://dev.to/filipemot/descobrindo-as-senhas-de-wi-fi-salvas-com-python-3hbb</link>
      <guid>https://dev.to/filipemot/descobrindo-as-senhas-de-wi-fi-salvas-com-python-3hbb</guid>
      <description>&lt;p&gt;No windows para visualizar as informações de uma rede é o comando &lt;code&gt;netsh wlan show profiles&lt;/code&gt;.&lt;/p&gt;

&lt;p&gt;O resultado para deste comando é uma listagem das redes gravadas no seu computador:&lt;br&gt;
&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight python"&gt;&lt;code&gt;&lt;span class="n"&gt;Perfis&lt;/span&gt; &lt;span class="n"&gt;da&lt;/span&gt; &lt;span class="n"&gt;política&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;grupo&lt;/span&gt; &lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;somente&lt;/span&gt; &lt;span class="n"&gt;leitura&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
&lt;span class="o"&gt;---------------------------------&lt;/span&gt;
    &lt;span class="o"&gt;&amp;lt;&lt;/span&gt;&lt;span class="n"&gt;Nenhum&lt;/span&gt;&lt;span class="o"&gt;&amp;gt;&lt;/span&gt;

&lt;span class="n"&gt;Perfis&lt;/span&gt; &lt;span class="n"&gt;do&lt;/span&gt; &lt;span class="n"&gt;usuário&lt;/span&gt;
&lt;span class="o"&gt;-------------&lt;/span&gt;
&lt;span class="n"&gt;Todos&lt;/span&gt; &lt;span class="n"&gt;os&lt;/span&gt; &lt;span class="n"&gt;Perfis&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;Usuários&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Rede&lt;/span&gt; &lt;span class="mi"&gt;1&lt;/span&gt;
&lt;span class="n"&gt;Todos&lt;/span&gt; &lt;span class="n"&gt;os&lt;/span&gt; &lt;span class="n"&gt;Perfis&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;Usuários&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Rede&lt;/span&gt; &lt;span class="mi"&gt;2&lt;/span&gt;
&lt;span class="n"&gt;Todos&lt;/span&gt; &lt;span class="n"&gt;os&lt;/span&gt; &lt;span class="n"&gt;Perfis&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;Usuários&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Rede&lt;/span&gt; &lt;span class="mi"&gt;3&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;



&lt;p&gt;Para as informações mais detalhadas, é através do comando &lt;code&gt;netsh wlan show profile "Rede 1" key = clear&lt;/code&gt;&lt;/p&gt;

&lt;p&gt;O resultado deste comando é todas as informações de rede. A senha é apresentado no campo Conteúdo da Chave.&lt;br&gt;
&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight python"&gt;&lt;code&gt;&lt;span class="n"&gt;Perfil&lt;/span&gt; &lt;span class="n"&gt;Rede&lt;/span&gt; &lt;span class="mi"&gt;1&lt;/span&gt; &lt;span class="n"&gt;na&lt;/span&gt; &lt;span class="n"&gt;interface&lt;/span&gt; &lt;span class="n"&gt;Wi&lt;/span&gt;&lt;span class="o"&gt;-&lt;/span&gt;&lt;span class="n"&gt;Fi&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;
&lt;span class="o"&gt;=======================================================================&lt;/span&gt;

&lt;span class="n"&gt;Aplicado&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Todos&lt;/span&gt; &lt;span class="n"&gt;os&lt;/span&gt; &lt;span class="n"&gt;Perfis&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;Usuários&lt;/span&gt;

&lt;span class="n"&gt;Informações&lt;/span&gt; &lt;span class="n"&gt;do&lt;/span&gt; &lt;span class="n"&gt;perfil&lt;/span&gt;
&lt;span class="o"&gt;-------------------&lt;/span&gt;
    &lt;span class="n"&gt;Versão&lt;/span&gt;                &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="mi"&gt;1&lt;/span&gt;
    &lt;span class="n"&gt;Tipo&lt;/span&gt;                   &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;LAN&lt;/span&gt; &lt;span class="n"&gt;sem&lt;/span&gt; &lt;span class="n"&gt;Fio&lt;/span&gt;
    &lt;span class="n"&gt;Nome&lt;/span&gt;                   &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Rede&lt;/span&gt; &lt;span class="mi"&gt;1&lt;/span&gt;
    &lt;span class="n"&gt;Opções&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;controle&lt;/span&gt;        &lt;span class="p"&gt;:&lt;/span&gt;
        &lt;span class="n"&gt;Modo&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;conexão&lt;/span&gt;    &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Conectar&lt;/span&gt; &lt;span class="n"&gt;automaticamente&lt;/span&gt;
        &lt;span class="n"&gt;Alternância&lt;/span&gt; &lt;span class="n"&gt;automática&lt;/span&gt; &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Não&lt;/span&gt; &lt;span class="n"&gt;alternar&lt;/span&gt; &lt;span class="n"&gt;para&lt;/span&gt; &lt;span class="n"&gt;outra&lt;/span&gt; &lt;span class="n"&gt;rede&lt;/span&gt;
        &lt;span class="n"&gt;Uso&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;MAC&lt;/span&gt; &lt;span class="n"&gt;Aleatório&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Desabilitado&lt;/span&gt;

&lt;span class="n"&gt;Configurações&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;conectividade&lt;/span&gt;
&lt;span class="o"&gt;---------------------&lt;/span&gt;
    &lt;span class="n"&gt;Número&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;SSIDs&lt;/span&gt;        &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="mi"&gt;1&lt;/span&gt;
    &lt;span class="n"&gt;Nome&lt;/span&gt; &lt;span class="n"&gt;SSID&lt;/span&gt;              &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="s"&gt;"Rede 1"&lt;/span&gt;
    &lt;span class="n"&gt;Tipo&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;rede&lt;/span&gt;           &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Infraestrutura&lt;/span&gt;
    &lt;span class="n"&gt;Tipo&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;Rádio&lt;/span&gt;               &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="p"&gt;[&lt;/span&gt; &lt;span class="n"&gt;Qualquer&lt;/span&gt; &lt;span class="n"&gt;Tipo&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;Rádio&lt;/span&gt; &lt;span class="p"&gt;]&lt;/span&gt;
    &lt;span class="n"&gt;Extensão&lt;/span&gt; &lt;span class="n"&gt;do&lt;/span&gt; &lt;span class="n"&gt;fornecedor&lt;/span&gt;       &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Não&lt;/span&gt; &lt;span class="n"&gt;presente&lt;/span&gt;

&lt;span class="n"&gt;Configurações&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;segurança&lt;/span&gt;
&lt;span class="o"&gt;-----------------&lt;/span&gt;
    &lt;span class="n"&gt;Autenticação&lt;/span&gt;         &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;WPA2&lt;/span&gt;&lt;span class="o"&gt;-&lt;/span&gt;&lt;span class="n"&gt;Personal&lt;/span&gt;
    &lt;span class="n"&gt;Codificação&lt;/span&gt;         &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;CCMP&lt;/span&gt;
    &lt;span class="n"&gt;Autenticação&lt;/span&gt;         &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;WPA2&lt;/span&gt;&lt;span class="o"&gt;-&lt;/span&gt;&lt;span class="n"&gt;Personal&lt;/span&gt;
    &lt;span class="n"&gt;Codificação&lt;/span&gt;         &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;GCMP&lt;/span&gt;
    &lt;span class="n"&gt;Chave&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;segurança&lt;/span&gt;           &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Presente&lt;/span&gt;
    &lt;span class="n"&gt;Conteúdo&lt;/span&gt; &lt;span class="n"&gt;da&lt;/span&gt; &lt;span class="n"&gt;Chave&lt;/span&gt;            &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="mi"&gt;123456&lt;/span&gt;

&lt;span class="n"&gt;Configurações&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;custo&lt;/span&gt;
&lt;span class="o"&gt;-------------&lt;/span&gt;
    &lt;span class="n"&gt;Custo&lt;/span&gt;                   &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Irrestrito&lt;/span&gt;
    &lt;span class="n"&gt;Congestionado&lt;/span&gt;              &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Não&lt;/span&gt;
    &lt;span class="n"&gt;Limite&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;Dados&lt;/span&gt; &lt;span class="n"&gt;Aproximado&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Não&lt;/span&gt;
    &lt;span class="n"&gt;Limite&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;Dados&lt;/span&gt; &lt;span class="n"&gt;Excedido&lt;/span&gt;        &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Não&lt;/span&gt;
    &lt;span class="n"&gt;Roaming&lt;/span&gt;                &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Não&lt;/span&gt;
    &lt;span class="n"&gt;Origem&lt;/span&gt; &lt;span class="n"&gt;de&lt;/span&gt; &lt;span class="n"&gt;Custo&lt;/span&gt;            &lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;Padrão&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;



&lt;p&gt;&lt;strong&gt;Execução&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;&lt;code&gt;py main.py&lt;/code&gt;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Resultados do Script&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;['Rede 1 - 123456','Rede 2 - 12345678']&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Execução Testes&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Entrar na pasta &lt;code&gt;tests&lt;/code&gt; e executar o script &lt;code&gt;pytest TestMain.py&lt;/code&gt;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Script&lt;/strong&gt;&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;get_networks: Lista todas as redes configuradas, com as senhas&lt;/li&gt;
&lt;li&gt;information_network: Buscas as informações detalhadas e retorna a senha armazenada
&lt;/li&gt;
&lt;/ul&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight python"&gt;&lt;code&gt;&lt;span class="kn"&gt;import&lt;/span&gt; &lt;span class="nn"&gt;subprocess&lt;/span&gt;

&lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;get_networks&lt;/span&gt;&lt;span class="p"&gt;():&lt;/span&gt;
    &lt;span class="n"&gt;information_command&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;subprocess&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;check_output&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;"netsh wlan show profiles"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;encoding&lt;/span&gt;&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="s"&gt;"cp858"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;shell&lt;/span&gt;&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="bp"&gt;True&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
    &lt;span class="n"&gt;networks&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="p"&gt;[]&lt;/span&gt;
    &lt;span class="k"&gt;for&lt;/span&gt; &lt;span class="n"&gt;line&lt;/span&gt; &lt;span class="ow"&gt;in&lt;/span&gt; &lt;span class="n"&gt;information_command&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;split&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;'&lt;/span&gt;&lt;span class="se"&gt;\n&lt;/span&gt;&lt;span class="s"&gt;'&lt;/span&gt;&lt;span class="p"&gt;):&lt;/span&gt;
        &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="s"&gt;"Todos os Perfis de Usuários"&lt;/span&gt; &lt;span class="ow"&gt;in&lt;/span&gt; &lt;span class="n"&gt;line&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;
            &lt;span class="n"&gt;position&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;line&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;find&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;":"&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
            &lt;span class="n"&gt;network&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;line&lt;/span&gt;&lt;span class="p"&gt;[&lt;/span&gt;&lt;span class="n"&gt;position&lt;/span&gt; &lt;span class="o"&gt;+&lt;/span&gt; &lt;span class="mi"&gt;2&lt;/span&gt;&lt;span class="p"&gt;:]&lt;/span&gt;
            &lt;span class="n"&gt;password&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;information_network&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;network&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
            &lt;span class="n"&gt;networks&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;append&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;network&lt;/span&gt; &lt;span class="o"&gt;+&lt;/span&gt; &lt;span class="s"&gt;" - "&lt;/span&gt; &lt;span class="o"&gt;+&lt;/span&gt; &lt;span class="n"&gt;password&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="n"&gt;networks&lt;/span&gt;

&lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;information_network&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;wifi&lt;/span&gt;&lt;span class="p"&gt;):&lt;/span&gt;
    &lt;span class="n"&gt;information_command&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;subprocess&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;check_output&lt;/span&gt;&lt;span class="p"&gt;([&lt;/span&gt;&lt;span class="s"&gt;"netsh"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="s"&gt;"wlan"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="s"&gt;"show"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="s"&gt;"profile"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;wifi&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="s"&gt;"key"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="s"&gt;"="&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="s"&gt;"clear"&lt;/span&gt;&lt;span class="p"&gt;],&lt;/span&gt;
                                                  &lt;span class="n"&gt;encoding&lt;/span&gt;&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="s"&gt;"cp858"&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;shell&lt;/span&gt;&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="bp"&gt;True&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
    &lt;span class="n"&gt;network&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="s"&gt;''&lt;/span&gt;
    &lt;span class="k"&gt;for&lt;/span&gt; &lt;span class="n"&gt;line&lt;/span&gt; &lt;span class="ow"&gt;in&lt;/span&gt; &lt;span class="n"&gt;information_command&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;split&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;'&lt;/span&gt;&lt;span class="se"&gt;\n&lt;/span&gt;&lt;span class="s"&gt;'&lt;/span&gt;&lt;span class="p"&gt;):&lt;/span&gt;
        &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="s"&gt;"Conteúdo da Chave"&lt;/span&gt; &lt;span class="ow"&gt;in&lt;/span&gt; &lt;span class="n"&gt;line&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;
            &lt;span class="n"&gt;position&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;line&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;find&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;":"&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
            &lt;span class="n"&gt;network&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;line&lt;/span&gt;&lt;span class="p"&gt;[&lt;/span&gt;&lt;span class="n"&gt;position&lt;/span&gt; &lt;span class="o"&gt;+&lt;/span&gt; &lt;span class="mi"&gt;2&lt;/span&gt;&lt;span class="p"&gt;:]&lt;/span&gt;
            &lt;span class="k"&gt;break&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="n"&gt;network&lt;/span&gt;

&lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="n"&gt;__name__&lt;/span&gt; &lt;span class="o"&gt;==&lt;/span&gt; &lt;span class="s"&gt;"__main__"&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;
    &lt;span class="k"&gt;print&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;get_networks&lt;/span&gt;&lt;span class="p"&gt;())&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;



&lt;p&gt;&lt;strong&gt;GitHub&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href="https://github.com/filipemot/python_descobrindo_senha_wifi"&gt;https://github.com/filipemot/python_descobrindo_senha_wifi&lt;/a&gt;&lt;/p&gt;

</description>
    </item>
    <item>
      <title>Criando Decorators em funções no Python</title>
      <dc:creator>filipemot</dc:creator>
      <pubDate>Tue, 14 Dec 2021 22:25:14 +0000</pubDate>
      <link>https://dev.to/filipemot/criando-decorators-em-funcoes-no-python-55m4</link>
      <guid>https://dev.to/filipemot/criando-decorators-em-funcoes-no-python-55m4</guid>
      <description>&lt;p&gt;Decorators são funções que modificam o comportamento de outras funções. Várias vezes temos a necessidade de antes de executar uma função específica, modificar ou validar alguma informação para depois executa-la.&lt;/p&gt;

&lt;p&gt;Vários frameworks da linguagem já utiliza desse recurso para modificar a execução de algumas funções.&lt;/p&gt;

&lt;p&gt;Por exemplo em flask, temos o decorator @app.route, que é utilizado para definir as rotas de uma api.&lt;br&gt;
&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight python"&gt;&lt;code&gt;&lt;span class="kn"&gt;from&lt;/span&gt; &lt;span class="nn"&gt;flask&lt;/span&gt; &lt;span class="kn"&gt;import&lt;/span&gt; &lt;span class="n"&gt;Flask&lt;/span&gt;
&lt;span class="n"&gt;app&lt;/span&gt; &lt;span class="o"&gt;=&lt;/span&gt; &lt;span class="n"&gt;Flask&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;__name__&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;

&lt;span class="o"&gt;@&lt;/span&gt;&lt;span class="n"&gt;app&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;route&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;'/'&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
&lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;hello_world&lt;/span&gt;&lt;span class="p"&gt;():&lt;/span&gt;
   &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="s"&gt;'Hello World'&lt;/span&gt;

&lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="n"&gt;__name__&lt;/span&gt; &lt;span class="o"&gt;==&lt;/span&gt; &lt;span class="s"&gt;'__main__'&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;
   &lt;span class="n"&gt;app&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;run&lt;/span&gt;&lt;span class="p"&gt;()&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;



&lt;p&gt;Vejamos que nesse exemplo a função hello_world, tem apenas uma sintaxe que retorna uma string &lt;/p&gt;

&lt;p&gt;"Hello World", porém a parte de tratar o método e executá-lo como uma api é feito pelo decorator app.route. Sendo assim toda essa parte foi abstraído pelo decorator.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Criando o primeiro decorator&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Decorator em python nada mais é que uma função, para criá-lo basta criar uma função.&lt;br&gt;
&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight python"&gt;&lt;code&gt;&lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;meu_primeiro_decorator&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;main_function&lt;/span&gt;&lt;span class="p"&gt;):&lt;/span&gt;
    &lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;inner_function&lt;/span&gt;&lt;span class="p"&gt;():&lt;/span&gt;
        &lt;span class="k"&gt;print&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;'decorator'&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
        &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="n"&gt;main_function&lt;/span&gt;&lt;span class="p"&gt;()&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="n"&gt;inner_function&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;



&lt;p&gt;Agora para utilizar esse decorator basta coloca-lo em cima de uma outra função:&lt;br&gt;
&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight python"&gt;&lt;code&gt;&lt;span class="o"&gt;@&lt;/span&gt;&lt;span class="n"&gt;meu_primeiro_decorator&lt;/span&gt;
&lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;funcao_com_decorator&lt;/span&gt;&lt;span class="p"&gt;():&lt;/span&gt;
    &lt;span class="k"&gt;print&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;'main_function'&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;



&lt;p&gt;Quando executamos o nosso código obtemos o valor:&lt;br&gt;
&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight python"&gt;&lt;code&gt;&lt;span class="n"&gt;decorator&lt;/span&gt;
&lt;span class="n"&gt;main_function&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;



&lt;p&gt;Vejamos que pela ordem de execução do nosso decorator, primeiramente é executado o print('decorator') e logo após é executado a outra função.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Criando o primeiro decorator com parâmetro&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Podemos também criar decorators com parâmetros&lt;br&gt;
&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight python"&gt;&lt;code&gt;&lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;meu_primeiro_decorator_com_parametros&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;arg1&lt;/span&gt;&lt;span class="p"&gt;):&lt;/span&gt;
    &lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;inner_function&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;function&lt;/span&gt;&lt;span class="p"&gt;):&lt;/span&gt;
        &lt;span class="o"&gt;@&lt;/span&gt;&lt;span class="n"&gt;wraps&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;function&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
        &lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;wrapper&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="o"&gt;*&lt;/span&gt;&lt;span class="n"&gt;args&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="o"&gt;**&lt;/span&gt;&lt;span class="n"&gt;kwargs&lt;/span&gt;&lt;span class="p"&gt;):&lt;/span&gt;
            &lt;span class="k"&gt;print&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;'decorator'&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
            &lt;span class="k"&gt;print&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="sa"&gt;f&lt;/span&gt;&lt;span class="s"&gt;"Argument:&lt;/span&gt;&lt;span class="si"&gt;{&lt;/span&gt;&lt;span class="n"&gt;arg1&lt;/span&gt;&lt;span class="si"&gt;}&lt;/span&gt;&lt;span class="s"&gt;"&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
            &lt;span class="n"&gt;function&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="o"&gt;*&lt;/span&gt;&lt;span class="n"&gt;args&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="o"&gt;**&lt;/span&gt;&lt;span class="n"&gt;kwargs&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
        &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="n"&gt;wrapper&lt;/span&gt;
    &lt;span class="k"&gt;return&lt;/span&gt; &lt;span class="n"&gt;inner_function&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;



&lt;p&gt;Agora para utilizar esse decorator basta coloca-lo em cima de uma outra função e atribuir o valor do parâmetro&lt;br&gt;
&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight python"&gt;&lt;code&gt;&lt;span class="o"&gt;@&lt;/span&gt;&lt;span class="n"&gt;meu_primeiro_decorator_com_parametros&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;'arg1'&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
&lt;span class="k"&gt;def&lt;/span&gt; &lt;span class="nf"&gt;funcao_com_decorator_com_parametros&lt;/span&gt;&lt;span class="p"&gt;():&lt;/span&gt;
    &lt;span class="k"&gt;print&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;'main_function'&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;



&lt;p&gt;Quando executamos o nosso código obtemos o valor:&lt;br&gt;
&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight python"&gt;&lt;code&gt;&lt;span class="n"&gt;decorator&lt;/span&gt;
&lt;span class="n"&gt;Argument&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="n"&gt;arg1&lt;/span&gt;
&lt;span class="n"&gt;main_function&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;



&lt;p&gt;Vejamos que pela ordem de execução do nosso decorator, primeiramente é executado o print('decorator'), depois  print(f"Argument:{arg1}") e logo após é executado a outra função.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;GitHub&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href="https://github.com/filipemot/criando_decorators_em_python"&gt;https://github.com/filipemot/criando_decorators_em_python&lt;/a&gt;&lt;/p&gt;

</description>
    </item>
    <item>
      <title>Criação de Xml com python</title>
      <dc:creator>filipemot</dc:creator>
      <pubDate>Tue, 05 Jan 2021 21:51:22 +0000</pubDate>
      <link>https://dev.to/filipemot/criacao-de-xml-com-python-3fmd</link>
      <guid>https://dev.to/filipemot/criacao-de-xml-com-python-3fmd</guid>
      <description>&lt;h1&gt;
  
  
  Introdução
&lt;/h1&gt;

&lt;p&gt;As vezes surge a necessidade de criar um arquivo XML, essa criação com o Python é feita de maneira bem simples. Criei um código simples para exemplificar como criar um arquivo xml com uma determinada estrutura.&lt;/p&gt;

&lt;p&gt;No exemplo iremos mostrar como criar um xml com a seguinte estrutura:&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight plaintext"&gt;&lt;code&gt;&amp;lt;?xml version="1.0" encoding="UTF-8"?&amp;gt;  
&amp;lt;root&amp;gt;  
    &amp;lt;lista&amp;gt;  
        &amp;lt;values&amp;gt;  
            &amp;lt;value1&amp;gt;4&amp;lt;/value1&amp;gt;  
            &amp;lt;value2&amp;gt;5&amp;lt;/value2&amp;gt;  
            &amp;lt;value3&amp;gt;6&amp;lt;/value3&amp;gt;  
            &amp;lt;value4&amp;gt;7&amp;lt;/value4&amp;gt;  
        &amp;lt;/values&amp;gt;  
        &amp;lt;values&amp;gt;  
            &amp;lt;value1&amp;gt;4&amp;lt;/value1&amp;gt;  
            &amp;lt;value2&amp;gt;5&amp;lt;/value2&amp;gt;  
            &amp;lt;value3&amp;gt;6&amp;lt;/value3&amp;gt;  
            &amp;lt;value4&amp;gt;7&amp;lt;/value4&amp;gt;  
        &amp;lt;/values&amp;gt;  
    &amp;lt;/lista&amp;gt;  
&amp;lt;/root&amp;gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;

&lt;p&gt;Para criar o xml iremos utiliza a a biblioteca do python xml.etree.ElementTree. No código temos três funções que serão necessárias para criação do xml. Abaixo segue a responsabilidade de cada método: &lt;/p&gt;

&lt;p&gt;&lt;strong&gt;create_xml -&lt;/strong&gt; Método "main" para criação do xml, esse método tem a função de chamar o método create_list_results e de gravar o arquivo xml&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight plaintext"&gt;&lt;code&gt;def create_xml(folder_export, file_name, list_cleaner ):
    """
    Create xml file
    :param str | folder_export:
        Url of folder export
    :param str | file_name:
        File name
    :param [{Cleaner}] | list_cleaner:
        List of type Cleaner with cleaner's information
    """
    root = ET.Element("root")

    create_list_results(root, list_cleaner)

    tree = ET.ElementTree(root)
    tree.write(os.path.join(folder_export,file_name), encoding='UTF-8', xml_declaration=True)
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;

&lt;p&gt;&lt;strong&gt;create_list_results -&lt;/strong&gt; Tem a função de criar o "nó" lista e chamar o método create_child_values&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight plaintext"&gt;&lt;code&gt;def create_list_results(root, list_cleaner):
    """
    Create child reference
    :param Object | root:
        Object reference of root xml's file
    :param [{Cleaner}] | list_cleaner:
        List of type Cleaner with cleaner's information
    """
    doc_root = ET.SubElement(root, "lista")

    for cleaner in list_cleaner:
        doc_child = ET.SubElement(doc_root, "values")
        create_child_values(doc_child, cleaner)
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;

&lt;p&gt;&lt;strong&gt;create_child_values&lt;/strong&gt; - Tem a função de criar o "nó" values &lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight plaintext"&gt;&lt;code&gt;def create_child_values(doc_child, cleaner):

    """
    Create child values
    :param Object | doc_child:
        Object reference of child xml's file
    :param {Cleaner} | cleaner:
        The object of type Cleaner with values information
    """

    ET.SubElement(doc_child, "value1").text = str(cleaner['value1'])
    ET.SubElement(doc_child, "value2").text = str(cleaner['value2'])
    ET.SubElement(doc_child, "value3").text = str(cleaner['value3'])
    ET.SubElement(doc_child, "value4").text = str(cleaner['value4'])
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;

&lt;p&gt;Para criar o xml iremos chamar a função create_xml, passando a pasta que será importada e a lista de dados&lt;/p&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight plaintext"&gt;&lt;code&gt;cleaner = {}
cleaner['value1'] = "4"
cleaner['value2'] = "5"
cleaner['value3'] = "6"
cleaner['value4'] = "7"

list_cleaner = []
list_cleaner.append(cleaner)

cleaner = {}

cleaner['value1'] = "4"
cleaner['value2'] = "5"
cleaner['value3'] = "6"
cleaner['value4'] = "7"


list_cleaner.append(cleaner)

create_xml("D:\\Demos_Pessoais\\python_xml", "teste.xml" ,list_cleaner)
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;

&lt;p&gt;Após executar será criado na pasta D:\Demos_Pessoais\python_xml um arquivo xml, como o nome teste.xml&lt;/p&gt;

&lt;h1&gt;
  
  
  O código está disponível no meu Github
&lt;/h1&gt;

&lt;p&gt;&lt;a href="https://github.com/filipemot/python_xml"&gt;https://github.com/filipemot/python_xml&lt;/a&gt;&lt;/p&gt;

</description>
      <category>python</category>
      <category>xml</category>
    </item>
  </channel>
</rss>
