Some small cleanups

ihatemoney/forms.py

@@ -162,8 +162,8 @@ class EditProjectForm(FlaskForm):
             else:
                 return LoggingMode.ENABLED
 
-    def validate_default_currency(form, field):
-        project = Project.query.get(form.id.data)
+    def validate_default_currency(self, field):
+        project = Project.query.get(self.id.data)
         if (
             project is not None
             and field.data == CurrencyConverter.no_currency
@@ -234,13 +234,13 @@ class ProjectForm(EditProjectForm):
         )
         return project
 
-    def validate_id(form, field):
-        form.id.data = slugify(field.data)
-        if (form.id.data == "dashboard") or Project.query.get(form.id.data):
+    def validate_id(self, field):
+        self.id.data = slugify(field.data)
+        if (self.id.data == "dashboard") or Project.query.get(self.id.data):
             message = _(
                 'A project with this identifier ("%(project)s") already exists. '
                 "Please choose a new identifier",
-                project=form.id.data,
+                project=self.id.data,
             )
             raise ValidationError(Markup(message))
 
@@ -250,7 +250,7 @@ class ProjectFormWithCaptcha(ProjectForm):
         _("Which is a real currency: Euro or Petro dollar?"), default=""
     )
 
-    def validate_captcha(form, field):
+    def validate_captcha(self, field):
         if not field.data.lower() == _("euro"):
             message = _("Please, validate the captcha to proceed.")
             raise ValidationError(Markup(message))
@@ -277,11 +277,11 @@ class DestructiveActionProjectForm(FlaskForm):
         self.id = SimpleNamespace(data=kwargs.pop("id", ""))
         super().__init__(*args, **kwargs)
 
-    def validate_password(form, field):
-        project = Project.query.get(form.id.data)
+    def validate_password(self, field):
+        project = Project.query.get(self.id.data)
         if project is None:
             raise ValidationError(_("Unknown error"))
-        if not check_password_hash(project.password, form.password.data):
+        if not check_password_hash(project.password, self.password.data):
             raise ValidationError(_("Invalid private code."))
 
 
@@ -300,7 +300,7 @@ class PasswordReminder(FlaskForm):
     id = StringField(_("Project identifier"), validators=[DataRequired()])
     submit = SubmitField(_("Send me the code by email"))
 
-    def validate_id(form, field):
+    def validate_id(self, field):
         if not Project.query.get(field.data):
             raise ValidationError(_("This project does not exists"))
 
@@ -398,14 +398,14 @@ class MemberForm(FlaskForm):
         self.project = project
         self.edit = edit
 
-    def validate_name(form, field):
-        if field.data == form.name.default:
+    def validate_name(self, field):
+        if field.data == self.name.default:
             raise ValidationError(_("The participant name is invalid"))
         if (
-            not form.edit
+            not self.edit
             and Person.query.filter(
                 Person.name == field.data,
-                Person.project == form.project,
+                Person.project == self.project,
                 Person.activated,
             ).all()
         ):  # NOQA
@@ -428,8 +428,8 @@ class InviteForm(FlaskForm):
     emails = StringField(_("People to notify"), render_kw={"class": "tag"})
     submit = SubmitField(_("Send invites"))
 
-    def validate_emails(form, field):
-        for email in [email.strip() for email in form.emails.data.split(",")]:
+    def validate_emails(self, field):
+        for email in [email.strip() for email in self.emails.data.split(",")]:
             try:
                 email_validator.validate_email(email)
             except email_validator.EmailNotValidError:

ihatemoney/manage.py

@@ -62,7 +62,7 @@ def generate_config(config_file):
                 random.SystemRandom().choice(
                     "abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*(-_=+)"
                 )
-                for i in range(50)
+                for _ in range(50)
             ]
         )
 

ihatemoney/templates/home.html

@@ -42,8 +42,7 @@
           id="authentication-form"
           class="form-horizontal"
           action="{{ url_for('.authenticate') }}"
-          method="post"
-        >
+          method="post">
           <fieldset class="form-group">
             <legend></legend>
             {{ forms.authenticate(auth_form, home=True) }}

ihatemoney/utils.py

@@ -12,11 +12,12 @@ import socket
 
 from babel import Locale
 from babel.numbers import get_currency_name, get_currency_symbol
-from flask import current_app, escape, redirect, render_template
+from flask import current_app, redirect, render_template
 from flask_babel import get_locale, lazy_gettext as _
 import jinja2
-from markupsafe import Markup
-from werkzeug.routing import HTTPException, RoutingException
+from markupsafe import Markup, escape
+from werkzeug.exceptions import HTTPException
+from werkzeug.routing import RoutingException
 
 
 def slugify(value):

ihatemoney/web.py

@@ -11,6 +11,7 @@ and `add_project_id` for a quick overview)
 from functools import wraps
 import json
 import os
+from datetime import datetime
 
 from flask import (
     Blueprint,