/
messages.py
65 lines (46 loc) · 2.08 KB
/
messages.py
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from django.contrib import messages
from django.core.exceptions import NON_FIELD_ERRORS
from django.template.loader import render_to_string
from django.utils.html import format_html, format_html_join
def render(message, buttons, detail=''):
return render_to_string('wagtailadmin/shared/messages.html', {
'message': message,
'buttons': buttons,
'detail': detail,
})
def debug(request, message, buttons=None):
return messages.debug(request, render(message, buttons))
def info(request, message, buttons=None):
return messages.info(request, render(message, buttons))
def success(request, message, buttons=None):
return messages.success(request, render(message, buttons))
def warning(request, message, buttons=None):
return messages.warning(request, render(message, buttons))
def error(request, message, buttons=None):
return messages.error(request, render(message, buttons))
def validation_error(request, message, form, buttons=None):
if not form.non_field_errors():
# just output the generic "there were validation errors" message, and leave
# the per-field highlighting to do the rest
detail = ''
else:
# display the full list of field and non-field validation errors
all_errors = []
for field_name, errors in form.errors.items():
if field_name == NON_FIELD_ERRORS:
prefix = ''
else:
try:
field_label = form[field_name].label
except KeyError:
field_label = field_name
prefix = "%s: " % field_label
for error in errors:
all_errors.append(prefix + error)
errors_html = format_html_join('\n', '<li>{}</li>', ((e,) for e in all_errors))
detail = format_html("""<ul class="errorlist">{}</ul>""", errors_html)
return messages.error(request, render(message, buttons, detail=detail))
def button(url, text, new_window=False):
if url is None:
raise ValueError("Button URLs must not be None")
return url, text, new_window