django1/django/contrib/admin/views/doc.py

347 lines
14 KiB
Python

from django import template, templatetags
from django.template import RequestContext
from django.conf import settings
from django.contrib.admin.views.decorators import staff_member_required
from django.db import models
from django.shortcuts import render_to_response
from django.core.exceptions import ImproperlyConfigured, ViewDoesNotExist
from django.http import Http404, get_host
from django.core import urlresolvers
from django.contrib.admin import utils
from django.contrib.sites.models import Site
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 utils.docutils_is_available:
return missing_docutils_page(request)
return render_to_response('admin_doc/index.html', context_instance=RequestContext(request))
doc_index = staff_member_required(doc_index)
def bookmarklets(request):
# Hack! This couples this view to the URL it lives at.
admin_root = request.path[:-len('doc/bookmarklets/')]
return render_to_response('admin_doc/bookmarklets.html', {
'admin_url': "%s://%s%s" % (os.environ.get('HTTPS') == 'on' and 'https' or 'http', get_host(request), admin_root),
}, context_instance=RequestContext(request))
bookmarklets = staff_member_required(bookmarklets)
def template_tag_index(request):
if not utils.docutils_is_available:
return missing_docutils_page(request)
load_all_installed_template_libraries()
tags = []
for module_name, library in template.libraries.items():
for tag_name, tag_func in library.tags.items():
title, body, metadata = utils.parse_docstring(tag_func.__doc__)
if title:
title = utils.parse_rst(title, 'tag', 'tag:' + tag_name)
if body:
body = utils.parse_rst(body, 'tag', 'tag:' + tag_name)
for key in metadata:
metadata[key] = utils.parse_rst(metadata[key], 'tag', 'tag:' + tag_name)
if library in template.builtins:
tag_library = None
else:
tag_library = module_name.split('.')[-1]
tags.append({
'name': tag_name,
'title': title,
'body': body,
'meta': metadata,
'library': tag_library,
})
return render_to_response('admin_doc/template_tag_index.html', {'tags': tags}, context_instance=RequestContext(request))
template_tag_index = staff_member_required(template_tag_index)
def template_filter_index(request):
if not utils.docutils_is_available:
return missing_docutils_page(request)
load_all_installed_template_libraries()
filters = []
for module_name, library in template.libraries.items():
for filter_name, filter_func in library.filters.items():
title, body, metadata = utils.parse_docstring(filter_func.__doc__)
if title:
title = utils.parse_rst(title, 'filter', 'filter:' + filter_name)
if body:
body = utils.parse_rst(body, 'filter', 'filter:' + filter_name)
for key in metadata:
metadata[key] = utils.parse_rst(metadata[key], 'filter', 'filter:' + filter_name)
if library in template.builtins:
tag_library = None
else:
tag_library = module_name.split('.')[-1]
filters.append({
'name': filter_name,
'title': title,
'body': body,
'meta': metadata,
'library': tag_library,
})
return render_to_response('admin_doc/template_filter_index.html', {'filters': filters}, context_instance=RequestContext(request))
template_filter_index = staff_member_required(template_filter_index)
def view_index(request):
if not utils.docutils_is_available:
return missing_docutils_page(request)
if settings.ADMIN_FOR:
settings_modules = [__import__(m, '', '', ['']) for m in settings.ADMIN_FOR]
else:
settings_modules = [settings]
views = []
for settings_mod in settings_modules:
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': Site.objects.get(pk=settings_mod.SITE_ID),
'url': simplify_regex(regex),
})
return render_to_response('admin_doc/view_index.html', {'views': views}, context_instance=RequestContext(request))
view_index = staff_member_required(view_index)
def view_detail(request, view):
if not utils.docutils_is_available:
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 = utils.parse_docstring(view_func.__doc__)
if title:
title = utils.parse_rst(title, 'view', 'view:' + view)
if body:
body = utils.parse_rst(body, 'view', 'view:' + view)
for key in metadata:
metadata[key] = utils.parse_rst(metadata[key], 'model', 'view:' + view)
return render_to_response('admin_doc/view_detail.html', {
'name': view,
'summary': title,
'body': body,
'meta': metadata,
}, context_instance=RequestContext(request))
view_detail = staff_member_required(view_detail)
def model_index(request):
if not utils.docutils_is_available:
return missing_docutils_page(request)
m_list = [m._meta for m in models.get_models()]
return render_to_response('admin_doc/model_index.html', {'models': m_list}, context_instance=RequestContext(request))
model_index = staff_member_required(model_index)
def model_detail(request, app_label, model_name):
if not utils.docutils_is_available:
return missing_docutils_page(request)
# Get the model class.
try:
app_mod = models.get_app(app_label)
except ImproperlyConfigured:
raise Http404, "App %r not found" % app_label
model = None
for m in models.get_models(app_mod):
if m._meta.object_name.lower() == model_name:
model = m
break
if model is None:
raise Http404, "Model %r not found in app %r" % (model_name, app_label)
opts = model._meta
# Gather fields/field descriptions.
fields = []
for field in opts.fields:
# ForeignKey is a special case since the field will actually be a
# descriptor that returns the other object
if isinstance(field, models.ForeignKey):
data_type = related_object_name = field.rel.to.__name__
app_label = field.rel.to._meta.app_label
verbose = utils.parse_rst(("the related `%s.%s` object" % (app_label, data_type)), 'model', 'model:' + data_type)
else:
data_type = get_readable_field_data_type(field)
verbose = field.verbose_name
fields.append({
'name': field.name,
'data_type': data_type,
'verbose': verbose,
'help': field.help_text,
})
# Gather model methods.
for func_name, func in model.__dict__.items():
if (inspect.isfunction(func) and len(inspect.getargspec(func)[0]) == 1):
try:
for exclude in MODEL_METHODS_EXCLUDE:
if func_name.startswith(exclude):
raise StopIteration
except StopIteration:
continue
verbose = func.__doc__
if verbose:
verbose = utils.parse_rst(utils.trim_docstring(verbose), 'model', 'model:' + opts.module_name)
fields.append({
'name': func_name,
'data_type': get_return_data_type(func_name),
'verbose': verbose,
})
# Gather related objects
for rel in opts.get_all_related_objects():
verbose = "related `%s.%s` objects" % (rel.opts.app_label, rel.opts.object_name)
accessor = rel.get_accessor_name()
fields.append({
'name' : "%s.all" % accessor,
'verbose' : utils.parse_rst("all " + verbose , 'model', 'model:' + opts.module_name),
})
fields.append({
'name' : "%s.count" % accessor,
'verbose' : utils.parse_rst("number of " + verbose , 'model', 'model:' + opts.module_name),
})
return render_to_response('admin_doc/model_detail.html', {
'name': '%s.%s' % (opts.app_label, opts.object_name),
'summary': "Fields on %s objects" % opts.object_name,
'description': model.__doc__,
'fields': fields,
}, context_instance=RequestContext(request))
model_detail = staff_member_required(model_detail)
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': Site.objects.get(pk=settings_mod.SITE_ID),
'order': list(settings_mod.TEMPLATE_DIRS).index(dir),
})
return render_to_response('admin_doc/template_detail.html', {
'name': template,
'templates': templates,
}, context_instance=RequestContext(request))
template_detail = staff_member_required(template_detail)
####################
# Helper functions #
####################
def missing_docutils_page(request):
"""Display an error message for people without docutils"""
return render_to_response('admin_doc/missing_docutils.html')
def load_all_installed_template_libraries():
# Load/register all 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 library_name in libraries:
try:
lib = template.get_library("django.templatetags.%s" % library_name.split('.')[-1])
except template.InvalidTemplateLibrary:
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)'),
'OneToOneField' : _('Relation to parent model'),
'PhoneNumberField' : _('Phone number'),
'PositiveIntegerField' : _('Integer'),
'PositiveSmallIntegerField' : _('Integer'),
'SlugField' : _('String (up to %(maxlength)s)'),
'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):
return DATA_TYPE_MAPPING[field.get_internal_type()] % 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
named_group_matcher = re.compile(r'\(\?P(<\w+>).+?\)')
non_named_group_matcher = re.compile(r'\(.*?\)')
def simplify_regex(pattern):
"""
Clean up urlpattern regexes into something somewhat readable by Mere Humans:
turns something like "^(?P<sport_slug>\w+)/athletes/(?P<athlete_slug>\w+)/$"
into "<sport_slug>/athletes/<athlete_slug>/"
"""
# handle named groups first
pattern = named_group_matcher.sub(lambda m: m.group(1), pattern)
# handle non-named groups
pattern = non_named_group_matcher.sub("<var>", pattern)
# clean up any outstanding regex-y characters.
pattern = pattern.replace('^', '').replace('$', '').replace('?', '').replace('//', '/').replace('\\', '')
if not pattern.startswith('/'):
pattern = '/' + pattern
return pattern