Merge pull request #1733 from flask-admin/export-example

Add csv and xls export to example app

examples/sqla/app.py

@@ -43,6 +43,9 @@ class User(db.Model):
     def __str__(self):
         return "{}, {}".format(self.last_name, self.first_name)
 
+    def __repr__(self):
+        return "{}: {}".format(self.id, self.__str__())
+
 
 class Pet(db.Model):
     id = db.Column(db.Integer, primary_key=True)
@@ -187,9 +190,10 @@ class UserAdmin(sqla.ModelView):
 
 # Customized Post model admin
 class PostAdmin(sqla.ModelView):
-    column_exclude_list = ['text']
+    column_list = ['id', 'user', 'title', 'date', 'tags']
     column_default_sort = ('date', True)
     column_sortable_list = [
+        'id',
         'title',
         'date',
         ('user', ('user.last_name', 'user.first_name')),  # sort on multiple columns
@@ -208,6 +212,9 @@ class PostAdmin(sqla.ModelView):
         'tags',
         filters.FilterLike(Post.title, 'Fixed Title', options=(('test1', 'Test 1'), ('test2', 'Test 2'))),
     ]
+    can_export = True
+    export_max_rows = 1000
+    export_types = ['csv', 'xls']
 
     # Pass arguments to WTForms. In this case, change label for text field to
     # be 'Big Text' and add required() validator.

examples/sqla/requirements.txt

 Flask
 Flask-Admin
 Flask-SQLAlchemy
+tablib

flask_admin/model/base.py

@@ -2330,12 +2330,12 @@ class BaseModelView(BaseView, ActionsMixin):
         if encoding:
             mimetype = '%s; charset=%s' % (mimetype, encoding)
 
-        ds = tablib.Dataset(headers=[c[1] for c in self._export_columns])
+        ds = tablib.Dataset(headers=[csv_encode(c[1]) for c in self._export_columns])
 
         count, data = self._export_data()
 
         for row in data:
-            vals = [self.get_export_value(row, c[0]) for c in self._export_columns]
+            vals = [csv_encode(self.get_export_value(row, c[0])) for c in self._export_columns]
             ds.append(vals)
 
         try: