示例#1
0
    def __init__(self, fields, prefix='', meta=DefaultMeta()):
        """
        :param fields:
            A dict or sequence of 2-tuples of partially-constructed fields.
        :param prefix:
            If provided, all fields will have their name prefixed with the
            value.
        :param meta:
            A meta instance which is used for configuration and customization
            of WTForms behaviors.
        """
        if prefix and prefix[-1] not in '-_;:/.':
            prefix += '-'

        self.meta = meta
        self._prefix = prefix
        self._errors = None
        self._fields = OrderedDict()

        if hasattr(fields, 'items'):
            fields = fields.items()

        translations = self._get_translations()
        extra_fields = []
        if meta.csrf:
            self._csrf = meta.build_csrf(self)
            extra_fields.extend(self._csrf.setup_form(self))

        for name, unbound_field in itertools.chain(fields, extra_fields):
            options = dict(name=name, prefix=prefix, translations=translations)
            field = meta.bind_field(self, unbound_field, options)
            self._fields[name] = field
示例#2
0
    def __init__(self,
                 formdata=None,
                 obj=None,
                 data=None,
                 csrf_enabled=None,
                 csrf_context=None,
                 secret_key=None,
                 prefix='',
                 meta=DefaultMeta()):

        if csrf_enabled is None:
            csrf_enabled = current_app.config.get('WTF_CSRF_ENABLED', True)

        self.csrf_enabled = csrf_enabled

        if self.csrf_enabled:
            if csrf_context is None:
                csrf_context = session
            if secret_key is None:
                # It wasn't passed in, check if the class has a SECRET_KEY
                secret_key = getattr(self, "SECRET_KEY", None)

            self.SECRET_KEY = secret_key
        else:
            csrf_context = {}
            self.SECRET_KEY = ''

        if prefix and prefix[-1] not in '-_;:/.':
            prefix += '-'

        self.meta = meta
        self._prefix = prefix
        self._errors = None

        translations = self._get_translations()
        extra_fields = []
        if meta.csrf:
            self._csrf = meta.build_csrf(self)
            extra_fields.extend(self._csrf.setup_form(self))

        def bind_fields(tab):
            tab.children = []
            for field in tab.unbound_children:
                name = field.kwargs["name"]
                del field.kwargs["name"]
                tab.children.append(field.bind(self, name))
            tab.unbound_children = []
            for t in tab.tabs:
                c = bind_fields(t)
                if c == 0:
                    print(t)
                    print(t.name)
                    del t
                    print(tab.children)
            return len(tab.children)

        bind_fields(self._fields.root)
        self.process(formdata, obj, data)
示例#3
0
class UploadForm(FlaskForm):

    meta = DefaultMeta()
    message = HiddenField("Masge", validators=[DataRequired()], _meta=meta)

    demo = FileField(validators=[
        FileAllowed(file_ext, 'This extension is not allowed!'),
        FileRequired('File was empty!')
    ])
    submit = SubmitField('Upload')
示例#4
0
文件: form.py 项目: tresni/wtforms
import itertools
from collections import OrderedDict

from wtforms.meta import DefaultMeta

__all__ = ("BaseForm", "Form")

_default_meta = DefaultMeta()


class BaseForm:
    """
    Base Form Class.  Provides core behaviour like field construction,
    validation, and data and error proxying.
    """
    def __init__(self, fields, prefix="", meta=_default_meta):
        """
        :param fields:
            A dict or sequence of 2-tuples of partially-constructed fields.
        :param prefix:
            If provided, all fields will have their name prefixed with the
            value.
        :param meta:
            A meta instance which is used for configuration and customization
            of WTForms behaviors.
        """
        if prefix and prefix[-1] not in "-_;:/.":
            prefix += "-"

        self.meta = meta
        self._prefix = prefix