How to use gen_ignore method in hypothesis

Best Python code snippet using hypothesis

merge.py

Source:merge.py

1# -*- coding: utf-8 -*-2from datetime import datetime3from django.utils.encoding import force_unicode4from adminactions import api5from django.contrib import messages6from django.contrib.admin import helpers7from django import forms8from django.forms import TextInput, HiddenInput9from django.db import models10from django.forms.formsets import formset_factory11from django.forms.models import modelform_factory, model_to_dict12from django.shortcuts import render_to_response13from django.template import RequestContext14from django.utils.safestring import mark_safe15from django.http import HttpResponseRedirect16from django.utils.translation import gettext as _17from adminactions.forms import GenericActionForm18from adminactions.models import get_permission_codename19from adminactions.utils import clone_instance, model_supports_transactions20import adminactions.compat as transaction21class MergeForm(GenericActionForm):22    DEP_MOVE = 123    DEP_DELETE = 224    GEN_IGNORE = 125    GEN_RELATED = 226    GEN_DEEP = 327    dependencies = forms.ChoiceField(label=_('Dependencies'),28                                     choices=((DEP_MOVE, _("Move")), (DEP_DELETE, _("Delete"))))29    # generic = forms.ChoiceField(label=_('Search GenericForeignKeys'),30    #                             help_text=_("Search for generic relation"),31    #                             choices=((GEN_IGNORE, _("No")),32    #                                      (GEN_RELATED, _("Only Related (look for Managers)")),33    #                                      (GEN_DEEP, _("Analyze Mode (very slow)"))))34    master_pk = forms.CharField(widget=HiddenInput)35    other_pk = forms.CharField(widget=HiddenInput)36    field_names = forms.CharField(required=False, widget=HiddenInput)37    def action_fields(self):38        for fieldname in ['dependencies', 'master_pk', 'other_pk', 'field_names']:39            bf = self[fieldname]40            yield HiddenInput().render(fieldname, bf.value())41    def clean_dependencies(self):42        return int(self.cleaned_data['dependencies'])43    def clean_field_names(self):44        return self.cleaned_data['field_names'].split(',')45    def full_clean(self):46        super(MergeForm, self).full_clean()47    def clean(self):48        return super(MergeForm, self).clean()49    def is_valid(self):50        return super(MergeForm, self).is_valid()51    class Media:52        js = ['adminactions/js/merge.min.js']53        css = {'all': ['adminactions/css/adminactions.min.css']}54def merge(modeladmin, request, queryset):55    """56    Merge two model instances. Move all foreign keys.57    """58    opts = modeladmin.model._meta59    perm = "{0}.{1}".format(opts.app_label.lower(), get_permission_codename('adminactions_merge', opts))60    if not request.user.has_perm(perm):61        messages.error(request, _('Sorry you do not have rights to execute this action (%s)' % perm))62        return63    def raw_widget(field, **kwargs):64        """ force all fields as not required"""65        kwargs['widget'] = TextInput({'class': 'raw-value'})66        return field.formfield(**kwargs)67    merge_form = getattr(modeladmin, 'merge_form', MergeForm)68    MForm = modelform_factory(modeladmin.model,69                              form=merge_form,70                              exclude=('pk', ),71                              formfield_callback=raw_widget)72    OForm = modelform_factory(modeladmin.model,73                              exclude=('pk', ),74                              formfield_callback=raw_widget)75    tpl = 'adminactions/merge.html'76    # transaction_supported = model_supports_transactions(modeladmin.model)77    ctx = {78        '_selected_action': request.POST.getlist(helpers.ACTION_CHECKBOX_NAME),79        'transaction_supported': 'Un',80        'select_across': request.POST.get('select_across') == '1',81        'action': request.POST.get('action'),82        'fields': [f for f in queryset.model._meta.fields if not f.primary_key and f.editable],83        'app_label': queryset.model._meta.app_label,84        'result': '',85        'opts': queryset.model._meta}86    if 'preview' in request.POST:87        master = queryset.get(pk=request.POST.get('master_pk'))88        original = clone_instance(master)89        other = queryset.get(pk=request.POST.get('other_pk'))90        formset = formset_factory(OForm)(initial=[model_to_dict(master), model_to_dict(other)])91        with transaction.nocommit():92            form = MForm(request.POST, instance=master)93            other.delete()94            form_is_valid = form.is_valid()95        if form_is_valid:96            ctx.update({'original': original})97            tpl = 'adminactions/merge_preview.html'98        else:99            master = queryset.get(pk=request.POST.get('master_pk'))100            other = queryset.get(pk=request.POST.get('other_pk'))101    elif 'apply' in request.POST:102        master = queryset.get(pk=request.POST.get('master_pk'))103        other = queryset.get(pk=request.POST.get('other_pk'))104        formset = formset_factory(OForm)(initial=[model_to_dict(master), model_to_dict(other)])105        with transaction.nocommit():106            form = MForm(request.POST, instance=master)107            stored_pk = other.pk108            other.delete()109            ok = form.is_valid()110            other.pk = stored_pk111        if ok:112            if form.cleaned_data['dependencies'] == MergeForm.DEP_MOVE:113                related = api.ALL_FIELDS114            else:115                related = None116            fields = form.cleaned_data['field_names']117            api.merge(master, other, fields=fields, commit=True, related=related)118            return HttpResponseRedirect(request.path)119        else:120            messages.error(request, form.errors)121    else:122        try:123            master, other = queryset.all()124            # django 1.4 need to remove the trailing milliseconds125            for field in master._meta.fields:126                if isinstance(field, models.DateTimeField):127                    for target in (master, other):128                        raw_value = getattr(target, field.name)129                        fixed_value = datetime(raw_value.year, raw_value.month, raw_value.day,130                                               raw_value.hour, raw_value.minute, raw_value.second)131                        setattr(target, field.name, fixed_value)132        except ValueError:133            messages.error(request, _('Please select exactly 2 records'))134            return135        initial = {'_selected_action': request.POST.getlist(helpers.ACTION_CHECKBOX_NAME),136                   'select_across': 0,137                   'generic': MergeForm.GEN_IGNORE,138                   'dependencies': MergeForm.DEP_MOVE,139                   'action': 'merge',140                   'master_pk': master.pk,141                   'other_pk': other.pk}142        formset = formset_factory(OForm)(initial=[model_to_dict(master), model_to_dict(other)])143        form = MForm(initial=initial, instance=master)144    adminForm = helpers.AdminForm(form, modeladmin.get_fieldsets(request), {}, [], model_admin=modeladmin)145    media = modeladmin.media + adminForm.media146    ctx.update({'adminform': adminForm,147                'formset': formset,148                'media': mark_safe(media),149                'title': u"Merge %s" % force_unicode(modeladmin.opts.verbose_name_plural),150                'master': master,151                'other': other})152    return render_to_response(tpl, RequestContext(request, ctx))...

codegen.py

Source:codegen.py

...26    def gen_footer(self) -> List[str]:27        return [28            '#endif /* {} */'.format(self.mark),29        ]30    def gen_ignore(self) -> List[str]:31        return [32            '#define _VARDEF_IGNORE(...)'33        ]34    def gen_pack(self, num_group: int, group_size: int) -> List[str]:35        exprs = []  # type: List[str]36        # common37        vardef = 'VARDEF{}'.format(group_size)38        prefix = '_' + vardef + '_'39        # generate SELECT40        elems = []  # type: List[str]41        for i in range(num_group + 1):42            for j in range(group_size):43                elems.append('{}{}'.format(Generator_VARDEF.CHARSET[j], i))44        exprs.append(45            '#define {}SELECT({}, N, ...) N'.format(46                prefix, ', '.join(elems)47            )48        )49        # generate GROUP_X50        arg_group = ', '.join([51            Generator_VARDEF.CHARSET[j] for j in range(group_size)52        ])53        exprs.append(54            '#define {}GROUP0(Func, None, ...) None'.format(55                prefix56            )57        )58        for i in range(1, num_group + 1, 1):59            exprs.append(' '.join([60                '#define',61                '{}GROUP{}(Func, None, {}, ...)'.format(prefix, i, arg_group),62                'Func({})'.format(arg_group),63                '{}GROUP{}(Func, None, ##__VA_ARGS__)'.format(prefix, i - 1),64            ]))65        # generate VARDEF66        exprs.append(' '.join([67            '#define',68            '{}(Func, None, ...)'.format(vardef),69            '{}SELECT({}##__VA_ARGS__, {})(Func, None, ##__VA_ARGS__)'.format(70                prefix, ', ' * group_size, ', '.join([71                    '{}GROUP{}'.format(prefix, i) +72                    ', _VARDEF_IGNORE' * (group_size - 1)73                    for i in range(num_group, -1, -1)74                ])75            )76        ]))77        return exprs78    def gen(self) -> str:79        stmts = self.gen_header() + self.gen_ignore()80        for i in range(1, self.max_group_size + 1, 1):81            stmts += self.gen_pack(self.num_group, i)82        stmts += self.gen_footer()83        return '\n'.join(stmts)84if __name__ == '__main__':85    g = Generator_VARDEF(num_group=8, max_group_size=6)...

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