Reformat with black

https://github.com/python/black

examples/tutorial/flaskr/blog.py

@@ -1,24 +1,22 @@
-from flask import (
-    Blueprint, flash, g, redirect, render_template, request, url_for
-)
+from flask import Blueprint, flash, g, redirect, render_template, request, url_for
 from werkzeug.exceptions import abort
 
 from flaskr.auth import login_required
 from flaskr.db import get_db
 
-bp = Blueprint('blog', __name__)
+bp = Blueprint("blog", __name__)
 
 
-@bp.route('/')
+@bp.route("/")
 def index():
     """Show all the posts, most recent first."""
     db = get_db()
     posts = db.execute(
-        'SELECT p.id, title, body, created, author_id, username'
-        ' FROM post p JOIN user u ON p.author_id = u.id'
-        ' ORDER BY created DESC'
+        "SELECT p.id, title, body, created, author_id, username"
+        " FROM post p JOIN user u ON p.author_id = u.id"
+        " ORDER BY created DESC"
     ).fetchall()
-    return render_template('blog/index.html', posts=posts)
+    return render_template("blog/index.html", posts=posts)
 
 
 def get_post(id, check_author=True):
@@ -33,78 +31,80 @@ def get_post(id, check_author=True):
     :raise 404: if a post with the given id doesn't exist
     :raise 403: if the current user isn't the author
     """
-    post = get_db().execute(
-        'SELECT p.id, title, body, created, author_id, username'
-        ' FROM post p JOIN user u ON p.author_id = u.id'
-        ' WHERE p.id = ?',
-        (id,)
-    ).fetchone()
+    post = (
+        get_db()
+        .execute(
+            "SELECT p.id, title, body, created, author_id, username"
+            " FROM post p JOIN user u ON p.author_id = u.id"
+            " WHERE p.id = ?",
+            (id,),
+        )
+        .fetchone()
+    )
 
     if post is None:
         abort(404, "Post id {0} doesn't exist.".format(id))
 
-    if check_author and post['author_id'] != g.user['id']:
+    if check_author and post["author_id"] != g.user["id"]:
         abort(403)
 
     return post
 
 
-@bp.route('/create', methods=('GET', 'POST'))
+@bp.route("/create", methods=("GET", "POST"))
 @login_required
 def create():
     """Create a new post for the current user."""
-    if request.method == 'POST':
-        title = request.form['title']
-        body = request.form['body']
+    if request.method == "POST":
+        title = request.form["title"]
+        body = request.form["body"]
         error = None
 
         if not title:
-            error = 'Title is required.'
+            error = "Title is required."
 
         if error is not None:
             flash(error)
         else:
             db = get_db()
             db.execute(
-                'INSERT INTO post (title, body, author_id)'
-                ' VALUES (?, ?, ?)',
-                (title, body, g.user['id'])
+                "INSERT INTO post (title, body, author_id)" " VALUES (?, ?, ?)",
+                (title, body, g.user["id"]),
             )
             db.commit()
-            return redirect(url_for('blog.index'))
+            return redirect(url_for("blog.index"))
 
-    return render_template('blog/create.html')
+    return render_template("blog/create.html")
 
 
-@bp.route('/<int:id>/update', methods=('GET', 'POST'))
+@bp.route("/<int:id>/update", methods=("GET", "POST"))
 @login_required
 def update(id):
     """Update a post if the current user is the author."""
     post = get_post(id)
 
-    if request.method == 'POST':
-        title = request.form['title']
-        body = request.form['body']
+    if request.method == "POST":
+        title = request.form["title"]
+        body = request.form["body"]
         error = None
 
         if not title:
-            error = 'Title is required.'
+            error = "Title is required."
 
         if error is not None:
             flash(error)
         else:
             db = get_db()
             db.execute(
-                'UPDATE post SET title = ?, body = ? WHERE id = ?',
-                (title, body, id)
+                "UPDATE post SET title = ?, body = ? WHERE id = ?", (title, body, id)
             )
             db.commit()
-            return redirect(url_for('blog.index'))
+            return redirect(url_for("blog.index"))
 
-    return render_template('blog/update.html', post=post)
+    return render_template("blog/update.html", post=post)
 
 
-@bp.route('/<int:id>/delete', methods=('POST',))
+@bp.route("/<int:id>/delete", methods=("POST",))
 @login_required
 def delete(id):
     """Delete a post.
@@ -114,6 +114,6 @@ def delete(id):
     """
     get_post(id)
     db = get_db()
-    db.execute('DELETE FROM post WHERE id = ?', (id,))
+    db.execute("DELETE FROM post WHERE id = ?", (id,))
     db.commit()
-    return redirect(url_for('blog.index'))
+    return redirect(url_for("blog.index"))