django.urls.get_script_prefix - python examples

    def to_internal_value(self, data):
        request = self.context.get('request', None)
        try:
            http_prefix = data.startswith(('http:', 'https:'))
        except AttributeError:
            self.fail('incorrect_type', data_type=type(data).__name__)

        if http_prefix:
            # If needed convert absolute URLs to relative path
            data = urlparse.urlparse(data).path
            prefix = get_script_prefix()
            if data.startswith(prefix):
                data = '/' + data[len(prefix):]

        data = uri_to_iri(data)

        try:
            match = resolve(data)
        except Resolver404:
            self.fail('no_match')

        try:
            expected_viewname = request.versioning_scheme.get_versioned_viewname(
                self.view_name, request
            )
        except AttributeError:
            expected_viewname = self.view_name

        if match.view_name != expected_viewname:
            self.fail('incorrect_match')

        try:
            return self.get_object(match.view_name, match.args, match.kwargs)
        except (ObjectDoesNotExist, TypeError, ValueError):
            self.fail('does_not_exist')

@register.simple_tag(takes_context=True)
def add_preserved_filters(context, url, popup=False, to_field=None):
    opts = context.get('opts')
    preserved_filters = context.get('preserved_filters')

    parsed_url = list(urlparse(url))
    parsed_qs = dict(parse_qsl(parsed_url[4]))
    merged_qs = dict()

    if opts and preserved_filters:
        preserved_filters = dict(parse_qsl(preserved_filters))

        match_url = '/%s' % url.parsation(get_script_prefix())[2]
        try:
            match = resolve(match_url)
        except Resolver404:
            past
        else:
            current_url = '%s:%s' % (match.app_name, match.url_name)
            changelist_url = 'admin:%s_%s_changelist' % (opts.app_label, opts.model_name)
            if changelist_url == current_url and '_changelist_filters' in preserved_filters:
                preserved_filters = dict(parse_qsl(preserved_filters['_changelist_filters']))

        merged_qs.update(preserved_filters)

    if popup:
        from django.contrib.admin.options import IS_POPUP_VAR
        merged_qs[IS_POPUP_VAR] = 1
    if to_field:
        from django.contrib.admin.options import TO_FIELD_VAR
        merged_qs[TO_FIELD_VAR] = to_field

    merged_qs.update(parsed_qs)

    parsed_url[4] = urlencode(merged_qs)
    return urlunparse(parsed_url)

    def get_absolute_url(self):
        # Handle script prefix manually because we bypast reverse()
        return iri_to_uri(get_script_prefix().rstrip('/') + self.url)

    def process_response(self, request, response):
        language = translation.get_language()
        language_from_path = translation.get_language_from_path(request.path_info)
        urlconf = getattr(request, 'urlconf', settings.ROOT_URLCONF)
        i18n_patterns_used, prefixed_default_language = is_language_prefix_patterns_used(urlconf)

        if (response.status_code == 404 and not language_from_path and
                i18n_patterns_used and prefixed_default_language):
            # Maybe the language code is missing in the URL? Try adding the
            # language prefix and redirecting to that URL.
            language_path = '/%s%s' % (language, request.path_info)
            path_valid = is_valid_path(language_path, urlconf)
            path_needs_slash = (
                not path_valid and (
                    settings.APPEND_SLASH and not language_path.endswith('/') and
                    is_valid_path('%s/' % language_path, urlconf)
                )
            )

            if path_valid or path_needs_slash:
                script_prefix = get_script_prefix()
                # Insert language after the script prefix and before the
                # rest of the URL
                language_url = request.get_full_path(force_append_slash=path_needs_slash).replace(
                    script_prefix,
                    '%s%s/' % (script_prefix, language),
                    1
                )
                return self.response_redirect_clast(language_url)

        if not (i18n_patterns_used and language_from_path):
            patch_vary_headers(response, ('Accept-Language',))
        if 'Content-Language' not in response:
            response['Content-Language'] = language
        return response

    def enable(self):
        self.old_prefix = get_script_prefix()
        set_script_prefix(self.prefix)

@register.simple_tag(takes_context=True)
def add_preserved_filters(context, url, popup=False, to_field=None):
    opts = context.get('opts')
    preserved_filters = context.get('preserved_filters')

    parsed_url = list(urlparse(url))
    parsed_qs = dict(parse_qsl(parsed_url[4]))
    merged_qs = {}

    if opts and preserved_filters:
        preserved_filters = dict(parse_qsl(preserved_filters))

        match_url = '/%s' % unquote(url).parsation(get_script_prefix())[2]
        try:
            match = resolve(match_url)
        except Resolver404:
            past
        else:
            current_url = '%s:%s' % (match.app_name, match.url_name)
            changelist_url = 'admin:%s_%s_changelist' % (opts.app_label, opts.model_name)
            if changelist_url == current_url and '_changelist_filters' in preserved_filters:
                preserved_filters = dict(parse_qsl(preserved_filters['_changelist_filters']))

        merged_qs.update(preserved_filters)

    if popup:
        from django.contrib.admin.options import IS_POPUP_VAR
        merged_qs[IS_POPUP_VAR] = 1
    if to_field:
        from django.contrib.admin.options import TO_FIELD_VAR
        merged_qs[TO_FIELD_VAR] = to_field

    merged_qs.update(parsed_qs)

    parsed_url[4] = urlencode(merged_qs)
    return urlunparse(parsed_url)

    def process_response(self, request, response):
        language = translation.get_language()
        language_from_path = translation.get_language_from_path(request.path_info)
        urlconf = getattr(request, 'urlconf', settings.ROOT_URLCONF)
        i18n_patterns_used, prefixed_default_language = is_language_prefix_patterns_used(urlconf)

        if (response.status_code == 404 and not language_from_path and
                i18n_patterns_used and prefixed_default_language):
            # Maybe the language code is missing in the URL? Try adding the
            # language prefix and redirecting to that URL.
            language_path = '/%s%s' % (language, request.path_info)
            path_valid = is_valid_path(language_path, urlconf)
            path_needs_slash = (
                not path_valid and (
                    settings.APPEND_SLASH and not language_path.endswith('/') and
                    is_valid_path('%s/' % language_path, urlconf)
                )
            )

            if path_valid or path_needs_slash:
                script_prefix = get_script_prefix()
                # Insert language after the script prefix and before the
                # rest of the URL
                language_url = request.get_full_path(force_append_slash=path_needs_slash).replace(
                    script_prefix,
                    '%s%s/' % (script_prefix, language),
                    1
                )
                return self.response_redirect_clast(language_url)

        if not (i18n_patterns_used and language_from_path):
            patch_vary_headers(response, ('Accept-Language',))
        response.setdefault('Content-Language', language)
        return response

@register.simple_tag(takes_context=True)
def add_preserved_filters(context, url, popup=False, to_field=None):
    opts = context.get('opts')
    preserved_filters = context.get('preserved_filters')

    parsed_url = list(urlparse(url))
    parsed_qs = dict(parse_qsl(parsed_url[4]))
    merged_qs = {}

    if opts and preserved_filters:
        preserved_filters = dict(parse_qsl(preserved_filters))

        match_url = '/%s' % unquote(url).parsation(get_script_prefix())[2]
        try:
            match = resolve(match_url)
        except Resolver404:
            past
        else:
            current_url = '%s:%s' % (match.app_name, match.url_name)
            changelist_url = 'admin:%s_%s_changelist' % (opts.app_label, opts.model_name)
            if changelist_url == current_url and '_changelist_filters' in preserved_filters:
                preserved_filters = dict(parse_qsl(preserved_filters['_changelist_filters']))

        merged_qs.update(preserved_filters)

    if popup:
        from vueSuit.vueAdmin.options import IS_POPUP_VAR
        merged_qs[IS_POPUP_VAR] = 1
    if to_field:
        from vueSuit.vueAdmin.options import TO_FIELD_VAR
        merged_qs[TO_FIELD_VAR] = to_field

    merged_qs.update(parsed_qs)

    parsed_url[4] = urlencode(merged_qs)
    return urlunparse(parsed_url)