Working Example

This commit is contained in:
Rich
2021-07-03 19:40:40 +01:00
parent d50fbde5de
commit c357c654a6
16 changed files with 416 additions and 23 deletions

View File

@@ -7,6 +7,8 @@ name = "pypi"
flask = "*"
flask_wtf = "*"
flask-login = "*"
flask-sqlalchemy = "*"
flask-migrate = "*"
[dev-packages]
pylint = "*"

146
Pipfile.lock generated
View File

@@ -1,7 +1,7 @@
{
"_meta": {
"hash": {
"sha256": "6f468a10e748aa502127b19811e3cb91bc60a239cbe1c6fa7cc3d0a90dc9ab30"
"sha256": "6d1e954a069f0d93d3fff2ba6d3bd3a08da50fa809099a6b572b3a9d97905749"
},
"pipfile-spec": 6,
"requires": {
@@ -16,6 +16,13 @@
]
},
"default": {
"alembic": {
"hashes": [
"sha256:a21fedebb3fb8f6bbbba51a11114f08c78709377051384c9c5ead5705ee93a51",
"sha256:e78be5b919f5bb184e3e0e2dd1ca986f2362e29a2bc933c446fe89f39dbe4e9c"
],
"version": "==1.6.5"
},
"click": {
"hashes": [
"sha256:8c04c11192119b1ef78ea049e0a6f0463e4c48ef00a30160c704337586f3ad7a",
@@ -39,6 +46,22 @@
"index": "pypi",
"version": "==0.5.0"
},
"flask-migrate": {
"hashes": [
"sha256:4d42e8f861d78cb6e9319afcba5bf76062e5efd7784184dd2a1cccd9de34a702",
"sha256:df9043d2050df3c0e0f6313f6b529b62c837b6033c20335e9d0b4acdf2c40e23"
],
"index": "pypi",
"version": "==3.0.1"
},
"flask-sqlalchemy": {
"hashes": [
"sha256:2bda44b43e7cacb15d4e05ff3cc1f8bc97936cc464623424102bfc2c35e95912",
"sha256:f12c3d4cc5cc7fdcc148b9527ea05671718c3ea45d50c7e732cceb33f574b390"
],
"index": "pypi",
"version": "==2.5.1"
},
"flask-wtf": {
"hashes": [
"sha256:6ff7af73458f182180906a37a783e290bdc8a3817fe4ad17227563137ca285bf",
@@ -47,6 +70,61 @@
"index": "pypi",
"version": "==0.15.1"
},
"greenlet": {
"hashes": [
"sha256:03f28a5ea20201e70ab70518d151116ce939b412961c33827519ce620957d44c",
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"sha256:c87df8ae3f01ffb4483c796fe1b15232ce2b219f0b18126948616224d3f658ee",
"sha256:ca1c4a569232c063615f9e70ff9a1e2fee8c66a6fb5caf0f5e8b21a396deec3e",
"sha256:cc407b68e0a874e7ece60f6639df46309376882152345508be94da608cc0b831",
"sha256:da862b8f7de577bc421323714f63276acb2f759ab8c5e33335509f0b89e06b8f",
"sha256:dfe7eac0d253915116ed0cd160a15a88981a1d194c1ef151e862a5c7d2f853d3",
"sha256:ed1377feed808c9c1139bdb6a61bcbf030c236dd288d6fca71ac26906ab03ba6",
"sha256:f42ad188466d946f1b3afc0a9e1a266ac8926461ee0786c06baac6bd71f8a6f3",
"sha256:f92731609d6625e1cc26ff5757db4d32b6b810d2a3363b0ff94ff573e5901f6f"
],
"markers": "python_version >= '3'",
"version": "==1.1.0"
},
"itsdangerous": {
"hashes": [
"sha256:5174094b9637652bdb841a3029700391451bd092ba3db90600dea710ba28e97c",
@@ -61,6 +139,13 @@
],
"version": "==3.0.1"
},
"mako": {
"hashes": [
"sha256:17831f0b7087c313c0ffae2bcbbd3c1d5ba9eeac9c38f2eb7b50e8c99fe9d5ab",
"sha256:aea166356da44b9b830c8023cd9b557fa856bd8b4035d6de771ca027dfc5cc6e"
],
"version": "==1.1.4"
},
"markupsafe": {
"hashes": [
"sha256:01a9b8ea66f1658938f65b93a85ebe8bc016e6769611be228d797c9d998dd298",
@@ -100,6 +185,65 @@
],
"version": "==2.0.1"
},
"python-dateutil": {
"hashes": [
"sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c",
"sha256:75bb3f31ea686f1197762692a9ee6a7550b59fc6ca3a1f4b5d7e32fb98e2da2a"
],
"version": "==2.8.1"
},
"python-editor": {
"hashes": [
"sha256:1bf6e860a8ad52a14c3ee1252d5dc25b2030618ed80c022598f00176adc8367d",
"sha256:51fda6bcc5ddbbb7063b2af7509e43bd84bfc32a4ff71349ec7847713882327b",
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"sha256:ea87e17f6ec459e780e4221f295411462e0d0810858e055fc514684350a2f522"
],
"version": "==1.0.4"
},
"six": {
"hashes": [
"sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
"sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
],
"version": "==1.16.0"
},
"sqlalchemy": {
"hashes": [
"sha256:0f6d467b67a7e5048f1408e8ea60d6caa70be5b386d0eebbf1185ab49cb8c7e4",
"sha256:238d78b3110b7f7cffdb70bf9cda686e0d876a849bc78ba4d471aa7b1461f306",
"sha256:25c0e0f3a7e8c19350086b3c0fe93c4def045cec053d749ef15da710c4d54c81",
"sha256:2f60a2e599cf5cf5e5327ce60f2918b897e42ad9f405d10dd01e37869c0ce6fc",
"sha256:38ee3a266afef2978e82824650457f70c5d74ec0cadec1b10fe5ed6f038eb5d0",
"sha256:46361690f1e1c5385994a4caeb6e8126063ff593a5c635700bbc1245de793c1e",
"sha256:46b99eab618cdc1c871ea707b7c52edc23cfea6c750740cd242ba62b5c84de7f",
"sha256:4a67371752fd86d1d03a3b82d4e75404608f6f4d579b9676124079a22a40c79f",
"sha256:525dd3c2205b11a2bc6d770bf1ec63bde0253fd754b4c19c399d27ddc9dad0d3",
"sha256:6c8406c3d8c1c7d15da454de15d77f7bb48d14ede5db994f74226c348cf1050e",
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"sha256:ff8bebc7a9d297dff2003460e01db2c20c63818b45fb19170f388b1a72fe5a14"
],
"version": "==1.4.20"
},
"werkzeug": {
"hashes": [
"sha256:1de1db30d010ff1af14a009224ec49ab2329ad2cde454c8a708130642d579c42",

BIN
app.db Normal file

Binary file not shown.

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@@ -1,9 +1,14 @@
from flask import Flask
from config import Config
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
from flask_login import LoginManager
app = Flask(__name__)
app.config["SECRET_KEY"] = "fdsaGHJ768fdsGHKJHG656&*(&%&*(fsd"
app.config.from_object(Config)
db = SQLAlchemy(app)
migrate = Migrate(app, db)
login = LoginManager(app)
login.login_view = "login"
from app import routes
from app import routes, models

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@@ -6,5 +6,4 @@ from wtforms.validators import DataRequired
class LoginForm(FlaskForm):
username = StringField("Username", validators=[DataRequired()])
password = PasswordField("Password", validators=[DataRequired()])
remember_me = BooleanField("Remember Me")
submit = SubmitField("Sign In")

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@@ -1,9 +1,18 @@
from werkzeug.security import generate_password_hash, check_password_hash
from flask_login import UserMixin
from app import login
from werkzeug.security import check_password_hash, generate_password_hash
from app import db, login
class User(UserMixin):
class User(UserMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(64), index=True, unique=True)
email = db.Column(db.String(120), index=True, unique=True)
password_hash = db.Column(db.String(128))
def __repr__(self):
return "<User {}>".format(self.username)
def set_password(self, password):
self.password_hash = generate_password_hash(password)
@@ -13,4 +22,4 @@ class User(UserMixin):
@login.user_loader
def load_user(id):
return 0
return User.query.get(int(id))

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@@ -1,10 +1,19 @@
from flask import render_template, flash, redirect, url_for
from flask import flash, redirect, render_template, url_for
from flask_login import current_user, login_required, login_user, logout_user
from app import app
from app.forms import LoginForm
from flask_login import current_user, login_user, login_required
from app.models import User
@app.route("/")
@app.route("/index")
@login_required
def index():
user = {"username": "Miguel"}
return render_template("index.html", title="Home", user=user)
@app.route("/login", methods=["GET", "POST"])
def login():
if current_user.is_authenticated:
@@ -20,13 +29,7 @@ def login():
return render_template("login.html", title="Sign In", form=form)
@app.route("/")
@app.route("/index")
@login_required
def index():
user = {"username": "Miguel"}
posts = [
{"author": {"username": "John"}, "body": "Beautiful day in Portland!"},
{"author": {"username": "Susan"}, "body": "The Avengers movie was so cool!"},
]
return render_template("index.html", title="Home", user=user, posts=posts)
@app.route("/logout")
def logout():
logout_user()
return redirect(url_for("index"))

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@@ -4,11 +4,17 @@
{{ form.hidden_tag() }}
<p>
{{ form.username.label }}<br>
{{ form.username(size=32) }}
{{ form.username(size=32) }}<br>
{% for error in form.username.errors %}
<span style="color: red;">[{{ error }}]</span>
{% endfor %}
</p>
<p>
{{ form.password.label }}<br>
{{ form.password(size=32) }}
{{ form.password(size=32) }}<br>
{% for error in form.password.errors %}
<span style="color: red;">[{{ error }}]</span>
{% endfor %}
</p>
<p>{{ form.submit() }}</p>
</form>

9
config.py Normal file
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@@ -0,0 +1,9 @@
import os
basedir = os.path.abspath(os.path.dirname(__file__))
class Config(object):
SECRET_KEY = os.environ.get("SECRET_KEY") or "dfsads1!FASASF231(*&FADSs"
SQLALCHEMY_DATABASE_URI = os.environ.get("DATABASE_URL") or "sqlite:///" + os.path.join(basedir, "app.db")
SQLALCHEMY_TRACK_MODIFICATIONS = False

1
migrations/README Normal file
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@@ -0,0 +1 @@
Generic single-database configuration.

50
migrations/alembic.ini Normal file
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@@ -0,0 +1,50 @@
# A generic, single database configuration.
[alembic]
# template used to generate migration files
# file_template = %%(rev)s_%%(slug)s
# set to 'true' to run the environment during
# the 'revision' command, regardless of autogenerate
# revision_environment = false
# Logging configuration
[loggers]
keys = root,sqlalchemy,alembic,flask_migrate
[handlers]
keys = console
[formatters]
keys = generic
[logger_root]
level = WARN
handlers = console
qualname =
[logger_sqlalchemy]
level = WARN
handlers =
qualname = sqlalchemy.engine
[logger_alembic]
level = INFO
handlers =
qualname = alembic
[logger_flask_migrate]
level = INFO
handlers =
qualname = flask_migrate
[handler_console]
class = StreamHandler
args = (sys.stderr,)
level = NOTSET
formatter = generic
[formatter_generic]
format = %(levelname)-5.5s [%(name)s] %(message)s
datefmt = %H:%M:%S

91
migrations/env.py Normal file
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@@ -0,0 +1,91 @@
from __future__ import with_statement
import logging
from logging.config import fileConfig
from flask import current_app
from alembic import context
# this is the Alembic Config object, which provides
# access to the values within the .ini file in use.
config = context.config
# Interpret the config file for Python logging.
# This line sets up loggers basically.
fileConfig(config.config_file_name)
logger = logging.getLogger('alembic.env')
# add your model's MetaData object here
# for 'autogenerate' support
# from myapp import mymodel
# target_metadata = mymodel.Base.metadata
config.set_main_option(
'sqlalchemy.url',
str(current_app.extensions['migrate'].db.get_engine().url).replace(
'%', '%%'))
target_metadata = current_app.extensions['migrate'].db.metadata
# other values from the config, defined by the needs of env.py,
# can be acquired:
# my_important_option = config.get_main_option("my_important_option")
# ... etc.
def run_migrations_offline():
"""Run migrations in 'offline' mode.
This configures the context with just a URL
and not an Engine, though an Engine is acceptable
here as well. By skipping the Engine creation
we don't even need a DBAPI to be available.
Calls to context.execute() here emit the given string to the
script output.
"""
url = config.get_main_option("sqlalchemy.url")
context.configure(
url=url, target_metadata=target_metadata, literal_binds=True
)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online():
"""Run migrations in 'online' mode.
In this scenario we need to create an Engine
and associate a connection with the context.
"""
# this callback is used to prevent an auto-migration from being generated
# when there are no changes to the schema
# reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
def process_revision_directives(context, revision, directives):
if getattr(config.cmd_opts, 'autogenerate', False):
script = directives[0]
if script.upgrade_ops.is_empty():
directives[:] = []
logger.info('No changes in schema detected.')
connectable = current_app.extensions['migrate'].db.get_engine()
with connectable.connect() as connection:
context.configure(
connection=connection,
target_metadata=target_metadata,
process_revision_directives=process_revision_directives,
**current_app.extensions['migrate'].configure_args
)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()

24
migrations/script.py.mako Normal file
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@@ -0,0 +1,24 @@
"""${message}
Revision ID: ${up_revision}
Revises: ${down_revision | comma,n}
Create Date: ${create_date}
"""
from alembic import op
import sqlalchemy as sa
${imports if imports else ""}
# revision identifiers, used by Alembic.
revision = ${repr(up_revision)}
down_revision = ${repr(down_revision)}
branch_labels = ${repr(branch_labels)}
depends_on = ${repr(depends_on)}
def upgrade():
${upgrades if upgrades else "pass"}
def downgrade():
${downgrades if downgrades else "pass"}

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@@ -0,0 +1,38 @@
"""users table
Revision ID: ca4165261e83
Revises:
Create Date: 2021-07-03 19:24:44.648471
"""
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision = 'ca4165261e83'
down_revision = None
branch_labels = None
depends_on = None
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.create_table('user',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('username', sa.String(length=64), nullable=True),
sa.Column('email', sa.String(length=120), nullable=True),
sa.Column('password_hash', sa.String(length=128), nullable=True),
sa.PrimaryKeyConstraint('id')
)
op.create_index(op.f('ix_user_email'), 'user', ['email'], unique=True)
op.create_index(op.f('ix_user_username'), 'user', ['username'], unique=True)
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.drop_index(op.f('ix_user_username'), table_name='user')
op.drop_index(op.f('ix_user_email'), table_name='user')
op.drop_table('user')
# ### end Alembic commands ###

7
tr.py
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@@ -1 +1,6 @@
from app import app
from app import app, db
from app.models import User
@app.shell_context_processor
def make_shell_context():
return {'db': db, 'User': User}

7
users.json Normal file
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@@ -0,0 +1,7 @@
{
"1": {
"username": "root",
"email": "root@example.com",
"password": "123"
}
}