regluit/frontend/forms/bibforms.py

229 lines
7.8 KiB
Python

# encoding: utf-8
'''
forms for bib models
'''
import re
from ckeditor.widgets import CKEditorWidget
from django import forms
from django.conf.global_settings import LANGUAGES
from django.utils.translation import ugettext_lazy as _
from selectable.forms import (
AutoCompleteSelectWidget,
AutoCompleteSelectField
)
from regluit.core.lookups import (
WorkLookup,
PublisherNameLookup,
SubjectLookup,
EditionNoteLookup,
)
from regluit.bisac.models import BisacHeading
from regluit.core.isbn import ISBN
from regluit.core.models import Edition, Identifier
from regluit.core.parameters import (
AGE_LEVEL_CHOICES,
ID_CHOICES,
TEXT_RELATION_CHOICES,
)
from regluit.utils.fields import ISBNField
from regluit.utils.text import sanitize_line, remove_badxml
CREATOR_RELATIONS = (
('aut', 'Author'),
('edt', 'Editor'),
('trl', 'Translator'),
('ill', 'Illustrator'),
('dsr', 'Designer'),
('aui', 'Author of Introduction'),
)
NULLS = [False, 'delete', '']
bisac_headings = BisacHeading.objects.all()
ID_VALIDATION = {
'http': (re.compile(r"(https?|ftp)://(-\.)?([^\s/?\.#]+\.?)+(/[^\s]*)?$",
flags=re.IGNORECASE|re.S ),
"The Web Address must be a valid http(s) URL."),
'isbn': (r'^([\dxX\-–— ]+|delete)$',
"The ISBN must be a valid ISBN-13."),
'doab': (r'^(\d{1,6}|delete)$',
"The value must be 1-6 digits."),
'gtbg': (r'^(\d{1,6}|delete)$',
"The Gutenberg number must be 1-6 digits."),
'doi': (r'^(https?://dx\.doi\.org/|https?://doi\.org/)?(10\.\d+/\S+|delete)$',
"The DOI value must be a valid DOI."),
'oclc': (r'^(\d{8,12}|delete)$',
"The OCLCnum must be 8 or more digits."),
'goog': (r'^([a-zA-Z0-9\-_]{12}|delete)$',
"The Google id must be 12 alphanumeric characters, dash or underscore."),
'olib': (r'^(\d{1,8}|delete)$',
"The Open Library ID must be 1-8 digits."),
'gdrd': (r'^(\d{1,8}|delete)$',
"The Goodreads ID must be 1-8 digits."),
'thng': (r'(^\d{1,8}|delete)$',
"The LibraryThing ID must be 1-8 digits."),
'olwk': (r'^(\d{1,8}|delete)$',
"The Open Library ID must be 1-8 digits."),
'glue': (r'^(\d{1,6}|delete)$',
"The Unglue.it ID must be 1-6 digits."),
'ltwk': (r'^(\d{1,8}|delete)$',
"The LibraryThing ID must be 1-8 digits."),
}
def isbn_cleaner(value):
if not value:
raise forms.ValidationError('no identifier value found')
elif value == 'delete':
return value
isbn=ISBN(value)
if isbn.error:
raise forms.ValidationError(isbn.error)
isbn.validate()
return isbn.to_string()
ID_MORE_VALIDATION = {
'isbn': isbn_cleaner
}
def identifier_cleaner(id_type):
print id_type
if ID_VALIDATION.has_key(id_type):
(regex, err_msg) = ID_VALIDATION[id_type]
extra = ID_MORE_VALIDATION.get(id_type, None)
if isinstance(regex, (str, unicode)):
regex = re.compile(regex)
def cleaner(value):
if regex.match(value):
if extra:
value = extra(value)
return value
else:
raise forms.ValidationError(err_msg)
return cleaner
return lambda value: value
class IdentifierForm(forms.ModelForm):
id_type = forms.ChoiceField(label='Identifier Type', choices=ID_CHOICES)
id_value = forms.CharField(label='Identifier Value', widget=forms.TextInput(attrs={'size': 60}))
identifier = None
def clean(self):
id_type = self.cleaned_data['id_type']
id_value = self.cleaned_data['id_value'].strip()
identifier = Identifier.objects.filter(type=id_type, value=id_value)
if identifier:
self.identifier = identifier[0]
return self.cleaned_data
self.cleaned_data['value'] = identifier_cleaner(id_type)(id_value)
return self.cleaned_data
class Meta:
model = Identifier
fields = ('id_type', 'id_value')
widgets = {
'id_value': forms.TextInput(attrs={'size': 40}),
}
class EditionForm(forms.ModelForm):
'''
form for bibliographic data (both editions and works
'''
add_author = forms.CharField(max_length=500, required=False)
add_author_relation = forms.ChoiceField(choices=CREATOR_RELATIONS, initial=('aut', 'Author'))
add_subject = AutoCompleteSelectField(
SubjectLookup,
widget=AutoCompleteSelectWidget(SubjectLookup, allow_new=True),
label='Keyword',
required=False,
)
add_related_work = AutoCompleteSelectField(
WorkLookup,
widget=AutoCompleteSelectWidget(WorkLookup, allow_new=False, attrs={'size': 40}),
label='Related Work',
required=False,
)
add_work_relation = forms.ChoiceField(
choices=TEXT_RELATION_CHOICES,
initial=('translation', 'translation'),
required=False,
)
bisac = forms.ModelChoiceField( bisac_headings, required=False )
publisher_name = AutoCompleteSelectField(
PublisherNameLookup,
label='Publisher Name',
widget=AutoCompleteSelectWidget(PublisherNameLookup,allow_new=True),
required=False,
allow_new=True,
)
id_type = forms.ChoiceField(label='Identifier Type', choices=ID_CHOICES)
id_value = forms.CharField(label='Identifier Value', widget=forms.TextInput(attrs={'size': 60}))
language = forms.ChoiceField(choices=LANGUAGES)
age_level = forms.ChoiceField(choices=AGE_LEVEL_CHOICES, required=False)
description = forms.CharField( required=False, widget=CKEditorWidget())
coverfile = forms.ImageField(required=False)
note = AutoCompleteSelectField(
EditionNoteLookup,
widget=AutoCompleteSelectWidget(EditionNoteLookup, allow_new=True),
label='Edition Note',
required=False,
allow_new=True,
)
def __init__(self, *args, **kwargs):
super(EditionForm, self).__init__(*args, **kwargs)
self.relators = []
if self.instance:
for relator in self.instance.relators.all():
select = forms.Select(choices=CREATOR_RELATIONS).render(
'change_relator_%s' % relator.id,
relator.relation.code
)
self.relators.append({'relator':relator, 'select':select})
def clean_doi(self):
doi = self.cleaned_data["doi"]
if doi and doi.startswith("http"):
return doi.split('/', 3)[3]
return doi
def clean_title(self):
return sanitize_line(self.cleaned_data["title"])
def clean_add_author(self):
return sanitize_line(self.cleaned_data["add_author"])
def clean_description(self):
return remove_badxml(self.cleaned_data["description"])
def clean(self):
id_type = self.cleaned_data['id_type']
id_value = self.cleaned_data['id_value'].strip()
identifier = Identifier.objects.filter(type=id_type, value=id_value)
if identifier:
err_msg = "{} is a duplicate for work #{}.".format(identifier[0], identifier[0].work.id)
self.add_error('id_value', forms.ValidationError(err_msg))
try:
self.cleaned_data['value'] = identifier_cleaner(id_type)(id_value)
except forms.ValidationError, ve:
self.add_error('id_value', forms.ValidationError('{}: {}'.format(ve.message, id_value)))
return self.cleaned_data
class Meta:
model = Edition
exclude = ('created', 'work')
widgets = {
'title': forms.TextInput(attrs={'size': 40}),
'add_author': forms.TextInput(attrs={'size': 30}),
'add_subject': forms.TextInput(attrs={'size': 30}),
'unglued': forms.CheckboxInput(),
'cover_image': forms.TextInput(attrs={'size': 60}),
}