Moved django.views.admin.template and django.views.admin.doc to django.contrib.admin.views. Refs #627

git-svn-id: http://code.djangoproject.com/svn/django/trunk@923 bcc190cf-cafb-0310-a4f2-bffc1f526a37

2 files changed, 383 insertions, 0 deletions

diff --git a/django/contrib/admin/views/doc.py b/django/contrib/admin/views/doc.py
new file mode 100644
index 0000000000..e7e791b2e4
--- /dev/null
+++ b/django/contrib/admin/views/doc.py
@@ -0,0 +1,315 @@
+from django.core import meta
+from django import templatetags
+from django.conf import settings
+from django.models.core import sites
+from django.core.extensions import DjangoContext, render_to_response
+from django.core.exceptions import Http404, ViewDoesNotExist
+from django.core import template, urlresolvers
+from django.core.template import defaulttags, defaultfilters, loader
+try:
+    from django.parts.admin import doc
+except ImportError:
+    doc = None
+import inspect, os, re
+
+# Exclude methods starting with these strings from documentation
+MODEL_METHODS_EXCLUDE = ('_', 'add_', 'delete', 'save', 'set_')
+
+def doc_index(request):
+    if not doc:
+        return missing_docutils_page(request)
+    return render_to_response('doc/index', context_instance=DjangoContext(request))
+
+def bookmarklets(request):
+    return render_to_response('doc/bookmarklets', {
+        'admin_url' : "%s://%s" % (os.environ.get('HTTPS') == 'on' and 'https' or 'http', request.META['HTTP_HOST']),
+    }, context_instance=DjangoContext(request))
+
+def template_tag_index(request):
+    import sys
+
+    if not doc:
+        return missing_docutils_page(request)
+
+    # We have to jump through some hoops with registered_tags to make sure
+    # they don't get messed up by loading outside tagsets
+    saved_tagset = template.registered_tags.copy(), template.registered_filters.copy()
+    load_all_installed_template_libraries()
+
+    # Gather docs
+    tags = []
+    for tagname in template.registered_tags:
+        title, body, metadata = doc.parse_docstring(template.registered_tags[tagname].__doc__)
+        if title:
+            title = doc.parse_rst(title, 'tag', 'tag:' + tagname)
+        if body:
+            body = doc.parse_rst(body, 'tag', 'tag:' + tagname)
+        for key in metadata:
+            metadata[key] = doc.parse_rst(metadata[key], 'tag', 'tag:' + tagname)
+        library = template.registered_tags[tagname].__module__.split('.')[-1]
+        if library == 'template_loader' or library == 'defaulttags':
+            library = None
+        tags.append({
+            'name'    : tagname,
+            'title'   : title,
+            'body'    : body,
+            'meta'    : metadata,
+            'library' : library,
+        })
+
+    # Fix registered_tags
+    template.registered_tags, template.registered_filters = saved_tagset
+
+    return render_to_response('doc/template_tag_index', {'tags': tags}, context_instance=DjangoContext(request))
+
+def template_filter_index(request):
+    if not doc:
+        return missing_docutils_page(request)
+
+    saved_tagset = template.registered_tags.copy(), template.registered_filters.copy()
+    load_all_installed_template_libraries()
+
+    filters = []
+    for filtername in template.registered_filters:
+        title, body, metadata = doc.parse_docstring(template.registered_filters[filtername][0].__doc__)
+        if title:
+            title = doc.parse_rst(title, 'filter', 'filter:' + filtername)
+        if body:
+            body = doc.parse_rst(body, 'filter', 'filter:' + filtername)
+        for key in metadata:
+            metadata[key] = doc.parse_rst(metadata[key], 'filter', 'filter:' + filtername)
+        metadata['AcceptsArgument'] = template.registered_filters[filtername][1]
+        library = template.registered_filters[filtername][0].__module__.split('.')[-1]
+        if library == 'template_loader' or library == 'defaultfilters':
+            library = None
+        filters.append({
+            'name'    : filtername,
+            'title'   : title,
+            'body'    : body,
+            'meta'    : metadata,
+            'library' : library,
+        })
+
+    template.registered_tags, template.registered_filters = saved_tagset
+
+    return render_to_response('doc/template_filter_index', {'filters': filters}, context_instance=DjangoContext(request))
+
+def view_index(request):
+    if not doc:
+        return missing_docutils_page(request)
+
+    views = []
+    for site_settings_module in settings.ADMIN_FOR:
+        settings_mod = __import__(site_settings_module, '', '', [''])
+        urlconf = __import__(settings_mod.ROOT_URLCONF, '', '', [''])
+        view_functions = extract_views_from_urlpatterns(urlconf.urlpatterns)
+        for (func, regex) in view_functions:
+            views.append({
+                'name'   : func.__name__,
+                'module' : func.__module__,
+                'site_id': settings_mod.SITE_ID,
+                'site'   : sites.get_object(pk=settings_mod.SITE_ID),
+                'url'    : simplify_regex(regex),
+            })
+    return render_to_response('doc/view_index', {'views': views}, context_instance=DjangoContext(request))
+
+def view_detail(request, view):
+    if not doc:
+        return missing_docutils_page(request)
+
+    mod, func = urlresolvers.get_mod_func(view)
+    try:
+        view_func = getattr(__import__(mod, '', '', ['']), func)
+    except (ImportError, AttributeError):
+        raise Http404
+    title, body, metadata = doc.parse_docstring(view_func.__doc__)
+    if title:
+        title = doc.parse_rst(title, 'view', 'view:' + view)
+    if body:
+        body = doc.parse_rst(body, 'view', 'view:' + view)
+    for key in metadata:
+        metadata[key] = doc.parse_rst(metadata[key], 'model', 'view:' + view)
+    return render_to_response('doc/view_detail', {
+        'name': view,
+        'summary': title,
+        'body': body,
+        'meta': metadata,
+    }, context_instance=DjangoContext(request))
+
+def model_index(request):
+    if not doc:
+        return missing_docutils_page(request)
+
+    models = []
+    for app in meta.get_installed_model_modules():
+        for model in app._MODELS:
+            opts = model._meta
+            models.append({
+                'name'   : '%s.%s' % (opts.app_label, opts.module_name),
+                'module' : opts.app_label,
+                'class'  : opts.module_name,
+            })
+    return render_to_response('doc/model_index', {'models': models}, context_instance=DjangoContext(request))
+
+def model_detail(request, model):
+    if not doc:
+        return missing_docutils_page(request)
+
+    try:
+        model = meta.get_app(model)
+    except ImportError:
+        raise Http404
+    opts = model.Klass._meta
+
+    # Gather fields/field descriptions
+    fields = []
+    for field in opts.fields:
+        fields.append({
+            'name'     : field.name,
+            'data_type': get_readable_field_data_type(field),
+            'verbose'  : field.verbose_name,
+            'help'     : field.help_text,
+        })
+    for func_name, func in model.Klass.__dict__.items():
+        if callable(func) and len(inspect.getargspec(func)[0]) == 0:
+            try:
+                for exclude in MODEL_METHODS_EXCLUDE:
+                    if func_name.startswith(exclude):
+                        raise StopIteration
+            except StopIteration:
+                continue
+            verbose = func.__doc__
+            if verbose:
+                verbose = doc.parse_rst(doc.trim_docstring(verbose), 'model', 'model:' + opts.module_name)
+            fields.append({
+                'name'      : func_name,
+                'data_type' : get_return_data_type(func_name),
+                'verbose'   : verbose,
+            })
+    return render_to_response('doc/model_detail', {
+        'name': '%s.%s' % (opts.app_label, opts.module_name),
+        'summary': "Fields on %s objects" % opts.verbose_name,
+        'fields': fields,
+    }, context_instance=DjangoContext(request))
+
+def template_detail(request, template):
+    templates = []
+    for site_settings_module in settings.ADMIN_FOR:
+        settings_mod = __import__(site_settings_module, '', '', [''])
+        for dir in settings_mod.TEMPLATE_DIRS:
+            template_file = os.path.join(dir, "%s.html" % template)
+            templates.append({
+                'file'      : template_file,
+                'exists'    : os.path.exists(template_file),
+                'contents'  : lambda: os.path.exists(template_file) and open(template_file).read() or '',
+                'site_id'   : settings_mod.SITE_ID,
+                'site'      : sites.get_object(pk=settings_mod.SITE_ID),
+                'order'     : list(settings_mod.TEMPLATE_DIRS).index(dir),
+            })
+    return render_to_response('doc/template_detail', {
+        'name': template,
+        'templates': templates,
+    }, context_instance=DjangoContext(request))
+
+####################
+# Helper functions #
+####################
+
+def missing_docutils_page(request):
+    """Display an error message for people without docutils"""
+    return render_to_response('doc/missing_docutils')
+
+def load_all_installed_template_libraries():
+    # Clear out and reload default tags
+    template.registered_tags.clear()
+    reload(defaulttags)
+    reload(loader) # loader defines the block/extends tags
+
+    # Load any template tag libraries from installed apps
+    for e in templatetags.__path__:
+        libraries = [os.path.splitext(p)[0] for p in os.listdir(e) if p.endswith('.py') and p[0].isalpha()]
+        for lib in libraries:
+            try:
+                mod = defaulttags.LoadNode.load_taglib(lib)
+                reload(mod)
+            except ImportError:
+                pass
+
+def get_return_data_type(func_name):
+    """Return a somewhat-helpful data type given a function name"""
+    if func_name.startswith('get_'):
+        if func_name.endswith('_list'):
+            return 'List'
+        elif func_name.endswith('_count'):
+            return 'Integer'
+    return ''
+
+# Maps Field objects to their human-readable data types, as strings.
+# Column-type strings can contain format strings; they'll be interpolated
+# against the values of Field.__dict__ before being output.
+# If a column type is set to None, it won't be included in the output.
+DATA_TYPE_MAPPING = {
+    'AutoField'                 : 'Integer',
+    'BooleanField'              : 'Boolean (Either True or False)',
+    'CharField'                 : 'String (up to %(maxlength)s)',
+    'CommaSeparatedIntegerField': 'Comma-separated integers',
+    'DateField'                 : 'Date (without time)',
+    'DateTimeField'             : 'Date (with time)',
+    'EmailField'                : 'E-mail address',
+    'FileField'                 : 'File path',
+    'FloatField'                : 'Decimal number',
+    'ForeignKey'                : 'Integer',
+    'ImageField'                : 'File path',
+    'IntegerField'              : 'Integer',
+    'IPAddressField'            : 'IP address',
+    'ManyToManyField'           : '',
+    'NullBooleanField'          : 'Boolean (Either True, False or None)',
+    'PhoneNumberField'          : 'Phone number',
+    'PositiveIntegerField'      : 'Integer',
+    'PositiveSmallIntegerField' : 'Integer',
+    'SlugField'                 : 'String (up to 50)',
+    'SmallIntegerField'         : 'Integer',
+    'TextField'                 : 'Text',
+    'TimeField'                 : 'Time',
+    'URLField'                  : 'URL',
+    'USStateField'              : 'U.S. state (two uppercase letters)',
+    'XMLField'                  : 'XML text',
+}
+
+def get_readable_field_data_type(field):
+    # ForeignKey is a special case. Use the field type of the relation.
+    if field.__class__.__name__ == 'ForeignKey':
+        field = field.rel.get_related_field()
+    return DATA_TYPE_MAPPING[field.__class__.__name__] % field.__dict__
+
+def extract_views_from_urlpatterns(urlpatterns, base=''):
+    """
+    Return a list of views from a list of urlpatterns.
+
+    Each object in the returned list is a two-tuple: (view_func, regex)
+    """
+    views = []
+    for p in urlpatterns:
+        if hasattr(p, 'get_callback'):
+            try:
+                views.append((p.get_callback(), base + p.regex.pattern))
+            except ViewDoesNotExist:
+                continue
+        elif hasattr(p, '_get_url_patterns'):
+            views.extend(extract_views_from_urlpatterns(p.url_patterns, base + p.regex.pattern))
+        else:
+            raise TypeError, "%s does not appear to be a urlpattern object" % p
+    return views
+
+# Clean up urlpattern regexes into something somewhat readable by Mere Humans:
+# turns something like "^(?P<sport_slug>\w+)/athletes/(?P<athlete_slug>\w+)/$"
+# into "<sport_slug>/athletes/<athlete_slug>/"
+
+named_group_matcher = re.compile(r'\(\?P(<\w+>).+?\)')
+
+def simplify_regex(pattern):
+    pattern = named_group_matcher.sub(lambda m: m.group(1), pattern)
+    pattern = pattern.replace('^', '').replace('$', '').replace('?', '').replace('//', '/')
+    if not pattern.startswith('/'):
+        pattern = '/' + pattern
+    return pattern
diff --git a/django/contrib/admin/views/template.py b/django/contrib/admin/views/template.py
new file mode 100644
index 0000000000..c35770178e
--- /dev/null
+++ b/django/contrib/admin/views/template.py
@@ -0,0 +1,68 @@
+from django.core import formfields, validators
+from django.core import template
+from django.core.template import loader
+from django.core.extensions import DjangoContext, render_to_response
+from django.models.core import sites
+from django.conf import settings
+
+def template_validator(request):
+    """
+    Displays the template validator form, which finds and displays template
+    syntax errors.
+    """
+    # get a dict of {site_id : settings_module} for the validator
+    settings_modules = {}
+    for mod in settings.ADMIN_FOR:
+        settings_module = __import__(mod, '', '', [''])
+        settings_modules[settings_module.SITE_ID] = settings_module
+    manipulator = TemplateValidator(settings_modules)
+    new_data, errors = {}, {}
+    if request.POST:
+        new_data = request.POST.copy()
+        errors = manipulator.get_validation_errors(new_data)
+        if not errors:
+            request.user.add_message('The template is valid.')
+    return render_to_response('template_validator', {
+        'title': 'Template validator',
+        'form': formfields.FormWrapper(manipulator, new_data, errors),
+    }, context_instance=DjangoContext(request))
+
+class TemplateValidator(formfields.Manipulator):
+    def __init__(self, settings_modules):
+        self.settings_modules = settings_modules
+        site_list = sites.get_in_bulk(settings_modules.keys()).values()
+        self.fields = (
+            formfields.SelectField('site', is_required=True, choices=[(s.id, s.name) for s in site_list]),
+            formfields.LargeTextField('template', is_required=True, rows=25, validator_list=[self.isValidTemplate]),
+        )
+
+    def isValidTemplate(self, field_data, all_data):
+        # get the settings module
+        # if the site isn't set, we don't raise an error since the site field will
+        try:
+            site_id = int(all_data.get('site', None))
+        except (ValueError, TypeError):
+            return
+        settings_module = self.settings_modules.get(site_id, None)
+        if settings_module is None:
+            return
+
+        # so that inheritance works in the site's context, register a new function
+        # for "extends" that uses the site's TEMPLATE_DIR instead
+        def new_do_extends(parser, token):
+            node = loader.do_extends(parser, token)
+            node.template_dirs = settings_module.TEMPLATE_DIRS
+            return node
+        template.register_tag('extends', new_do_extends)
+
+        # now validate the template using the new template dirs
+        # making sure to reset the extends function in any case
+        error = None
+        try:
+            tmpl = loader.get_template_from_string(field_data)
+            tmpl.render(template.Context({}))
+        except template.TemplateSyntaxError, e:
+            error = e
+        template.register_tag('extends', loader.do_extends)
+        if error:
+            raise validators.ValidationError, e.args