Support MySQL.

generators/app/index.js

@@ -113,6 +113,7 @@ module.exports = AllYourBase.extend({
           'Make sure you\'ve got it installed first, of course!',
         choices: [
           { name: 'PostgreSQL', value: 'postgresql' },
+          { name: 'MySQL', value: 'mysql' },
           { name: 'SQLite', value: 'sqlite' },
           { name: 'None / Other', value: 'none' }
         ],
@@ -318,16 +319,25 @@ module.exports = AllYourBase.extend({
         python.pipInstall('psycopg2');
       }
 
+      if (this.config.get('database') === 'mysql') {
+        python.pipInstall(
+          'mysql-connector-python',
+          ['--allow-external', 'mysql-connector-python']
+        );
+      }
+
       if (this.config.get('databaseMapper') === 'sqlalchemy') {
         python.pipInstall(['flask-sqlalchemy', 'marshmallow-sqlalchemy']);
       }
 
       this.log(chalk.cyan('Writing requirements file...'));
 
-      this.fs.write(
-        this.destinationPath('requirements.txt'),
-        python.pipFreeze()
-      );
+      var requirements = python.pipFreeze();
+      if (this.config.get('database') === 'mysql') {
+        requirements = '--allow-external mysql-connector-python\n' +
+          requirements;
+      }
+      this.fs.write(this.destinationPath('requirements.txt'), requirements);
     }
   },
 

generators/endpoint/templates/endpoint.py

@@ -1,6 +1,8 @@
 <% if (databaseMapper === 'none') { -%>
 <% if (database === 'postgresql') { -%>
 import psycopg2
+<% } else if (database === 'mysql') { -%>
+import mysql.connector
 <% } else if (database === 'sqlite') { -%>
 import sqlite3
 

generators/model/templates/object_model.py

@@ -1,5 +1,7 @@
 <% if (database === 'postgresql') { -%>
 import psycopg2
+<% } else if (database === 'mysql') { -%>
+import mysql.connector
 <% } else if (database === 'sqlite') { -%>
 import sqlite3
 <% } -%>

test/test-app.js

@@ -465,7 +465,37 @@ describe('app with install', function () {
   });
 });
 
-describe('app without database or mapper', function () {
+describe('app with install with mysql', function () {
+  before(function (done) {
+    helpers.run(path.join(__dirname, '../generators/app'))
+      .withOptions({ skipInstall: false })
+      .withPrompts({
+        database: 'mysql',
+        versioningScheme: 'none'
+      })
+      .on('ready', function () {
+        sandbox.stub(python, 'pipInstall');
+        sandbox.stub(python, 'pipFreeze').returns('');
+        sandbox.stub(python, 'whichPython');
+        sandbox.stub(python, 'whichPip');
+        sandbox.stub(python, 'inVirtualEnv').returns(true);
+        sandbox.stub(python, 'linkActiveVirtualEnv');
+      })
+      .on('end', done);
+  });
+
+  after(function () {
+    sandbox.restore();
+  });
+
+  it('creates a requirements file with external source', function () {
+    assert.fileContent(
+      'requirements.txt', /--allow-external mysql-connector-python/
+    );
+  });
+});
+
+describe('app with install without database or mapper', function () {
   before(function (done) {
     helpers.run(path.join(__dirname, '../generators/app'))
       .withOptions({ skipInstall: false })