mirror of
https://gitlab2.federez.net/re2o/re2o
synced 2024-11-22 11:23:10 +00:00
Del trucs inutiles
This commit is contained in:
Gabriel Detraz
chirac
parent
80b247b3e5
commit
1f2a3364b3
2 changed files with 0 additions and 633 deletions
|
|
@ -1,228 +0,0 @@
|
||||||
# -*- coding: utf-8 -*-
|
|
||||||
import sys
|
|
||||||
import json
|
|
||||||
|
|
||||||
import six
|
|
||||||
from django.conf import settings
|
|
||||||
from django.core.management.base import BaseCommand, CommandError
|
|
||||||
|
|
||||||
from topologie.management.modelviz import ModelGraph, generate_dot
|
|
||||||
from django_extensions.management.utils import signalcommand
|
|
||||||
|
|
||||||
try:
|
|
||||||
import pygraphviz
|
|
||||||
HAS_PYGRAPHVIZ = True
|
|
||||||
except ImportError:
|
|
||||||
HAS_PYGRAPHVIZ = False
|
|
||||||
|
|
||||||
try:
|
|
||||||
try:
|
|
||||||
import pydotplus as pydot
|
|
||||||
except ImportError:
|
|
||||||
import pydot
|
|
||||||
HAS_PYDOT = True
|
|
||||||
except ImportError:
|
|
||||||
HAS_PYDOT = False
|
|
||||||
|
|
||||||
|
|
||||||
class Command(BaseCommand):
|
|
||||||
help = "Creates a GraphViz dot file for the specified app names. You can pass multiple app names and they will all be combined into a single model. Output is usually directed to a dot file."
|
|
||||||
|
|
||||||
can_import_settings = True
|
|
||||||
|
|
||||||
def __init__(self, *args, **kwargs):
|
|
||||||
"""Allow defaults for arguments to be set in settings.GRAPH_MODELS.
|
|
||||||
Each argument in self.arguments is a dict where the key is the
|
|
||||||
space-separated args and the value is our kwarg dict.
|
|
||||||
The default from settings is keyed as the long arg name with '--'
|
|
||||||
removed and any '-' replaced by '_'.
|
|
||||||
"""
|
|
||||||
self.arguments = {
|
|
||||||
'--pygraphviz': {
|
|
||||||
'action': 'store_true', 'dest': 'pygraphviz',
|
|
||||||
'help': 'Use PyGraphViz to generate the image.'},
|
|
||||||
|
|
||||||
'--pydot': {'action': 'store_true', 'dest': 'pydot',
|
|
||||||
'help': 'Use PyDot(Plus) to generate the image.'},
|
|
||||||
|
|
||||||
'--disable-fields -d': {
|
|
||||||
'action': 'store_true', 'dest': 'disable_fields',
|
|
||||||
'help': 'Do not show the class member fields'},
|
|
||||||
|
|
||||||
'--group-models -g': {
|
|
||||||
'action': 'store_true', 'dest': 'group_models',
|
|
||||||
'help': 'Group models together respective to their '
|
|
||||||
'application'},
|
|
||||||
|
|
||||||
'--all-applications -a': {
|
|
||||||
'action': 'store_true', 'dest': 'all_applications',
|
|
||||||
'help': 'Automatically include all applications from '
|
|
||||||
'INSTALLED_APPS'},
|
|
||||||
|
|
||||||
'--output -o': {
|
|
||||||
'action': 'store', 'dest': 'outputfile',
|
|
||||||
'help': 'Render output file. Type of output dependend on file '
|
|
||||||
'extensions. Use png or jpg to render graph to image.'},
|
|
||||||
|
|
||||||
'--layout -l': {
|
|
||||||
'action': 'store', 'dest': 'layout', 'default': 'dot',
|
|
||||||
'help': 'Layout to be used by GraphViz for visualization. '
|
|
||||||
'Layouts: circo dot fdp neato nop nop1 nop2 twopi'},
|
|
||||||
|
|
||||||
'--verbose-names -n': {
|
|
||||||
'action': 'store_true', 'dest': 'verbose_names',
|
|
||||||
'help': 'Use verbose_name of models and fields'},
|
|
||||||
|
|
||||||
'--language -L': {
|
|
||||||
'action': 'store', 'dest': 'language',
|
|
||||||
'help': 'Specify language used for verbose_name localization'},
|
|
||||||
|
|
||||||
'--exclude-columns -x': {
|
|
||||||
'action': 'store', 'dest': 'exclude_columns',
|
|
||||||
'help': 'Exclude specific column(s) from the graph. '
|
|
||||||
'Can also load exclude list from file.'},
|
|
||||||
|
|
||||||
'--exclude-models -X': {
|
|
||||||
'action': 'store', 'dest': 'exclude_models',
|
|
||||||
'help': 'Exclude specific model(s) from the graph. Can also '
|
|
||||||
'load exclude list from file. Wildcards (*) are allowed.'},
|
|
||||||
|
|
||||||
'--include-models -I': {
|
|
||||||
'action': 'store', 'dest': 'include_models',
|
|
||||||
'help': 'Restrict the graph to specified models. Wildcards '
|
|
||||||
'(*) are allowed.'},
|
|
||||||
|
|
||||||
'--inheritance -e': {
|
|
||||||
'action': 'store_true', 'dest': 'inheritance', 'default': True,
|
|
||||||
'help': 'Include inheritance arrows (default)'},
|
|
||||||
|
|
||||||
'--no-inheritance -E': {
|
|
||||||
'action': 'store_false', 'dest': 'inheritance',
|
|
||||||
'help': 'Do not include inheritance arrows'},
|
|
||||||
|
|
||||||
'--hide-relations-from-fields -R': {
|
|
||||||
'action': 'store_false', 'dest': 'relations_as_fields',
|
|
||||||
'default': True,
|
|
||||||
'help': 'Do not show relations as fields in the graph.'},
|
|
||||||
|
|
||||||
'--disable-sort-fields -S': {
|
|
||||||
'action': 'store_false', 'dest': 'sort_fields',
|
|
||||||
'default': True, 'help': 'Do not sort fields'},
|
|
||||||
|
|
||||||
'--json': {'action': 'store_true', 'dest': 'json',
|
|
||||||
'help': 'Output graph data as JSON'}
|
|
||||||
}
|
|
||||||
|
|
||||||
defaults = getattr(settings, 'GRAPH_MODELS', None)
|
|
||||||
|
|
||||||
if defaults:
|
|
||||||
for argument in self.arguments:
|
|
||||||
arg_split = argument.split(' ')
|
|
||||||
setting_opt = arg_split[0].lstrip('-').replace('-', '_')
|
|
||||||
if setting_opt in defaults:
|
|
||||||
self.arguments[argument]['default'] = defaults[setting_opt]
|
|
||||||
|
|
||||||
super(Command, self).__init__(*args, **kwargs)
|
|
||||||
|
|
||||||
def add_arguments(self, parser):
|
|
||||||
"""Unpack self.arguments for parser.add_arguments."""
|
|
||||||
parser.add_argument('app_label', nargs='*')
|
|
||||||
for argument in self.arguments:
|
|
||||||
parser.add_argument(*argument.split(' '),
|
|
||||||
**self.arguments[argument])
|
|
||||||
|
|
||||||
@signalcommand
|
|
||||||
def handle(self, *args, **options):
|
|
||||||
args = options['app_label']
|
|
||||||
if len(args) < 1 and not options['all_applications']:
|
|
||||||
raise CommandError("need one or more arguments for appname")
|
|
||||||
|
|
||||||
use_pygraphviz = options.get('pygraphviz', False)
|
|
||||||
use_pydot = options.get('pydot', False)
|
|
||||||
use_json = options.get('json', False)
|
|
||||||
if use_json and (use_pydot or use_pygraphviz):
|
|
||||||
raise CommandError("Cannot specify --json with --pydot or --pygraphviz")
|
|
||||||
|
|
||||||
cli_options = ' '.join(sys.argv[2:])
|
|
||||||
graph_models = ModelGraph(args, cli_options=cli_options, **options)
|
|
||||||
graph_models.generate_graph_data()
|
|
||||||
graph_data = graph_models.get_graph_data(as_json=use_json)
|
|
||||||
if use_json:
|
|
||||||
self.render_output_json(graph_data, **options)
|
|
||||||
return
|
|
||||||
|
|
||||||
dotdata = generate_dot(graph_data)
|
|
||||||
if not six.PY3:
|
|
||||||
dotdata = dotdata.encode('utf-8')
|
|
||||||
if options['outputfile']:
|
|
||||||
if not use_pygraphviz and not use_pydot:
|
|
||||||
if HAS_PYGRAPHVIZ:
|
|
||||||
use_pygraphviz = True
|
|
||||||
elif HAS_PYDOT:
|
|
||||||
use_pydot = True
|
|
||||||
if use_pygraphviz:
|
|
||||||
self.render_output_pygraphviz(dotdata, **options)
|
|
||||||
elif use_pydot:
|
|
||||||
self.render_output_pydot(dotdata, **options)
|
|
||||||
else:
|
|
||||||
raise CommandError("Neither pygraphviz nor pydotplus could be found to generate the image")
|
|
||||||
else:
|
|
||||||
self.print_output(dotdata)
|
|
||||||
|
|
||||||
def print_output(self, dotdata):
|
|
||||||
if six.PY3 and isinstance(dotdata, six.binary_type):
|
|
||||||
dotdata = dotdata.decode()
|
|
||||||
|
|
||||||
print(dotdata)
|
|
||||||
|
|
||||||
def render_output_json(self, graph_data, **kwargs):
|
|
||||||
output_file = kwargs.get('outputfile')
|
|
||||||
if output_file:
|
|
||||||
with open(output_file, 'wt') as json_output_f:
|
|
||||||
json.dump(graph_data, json_output_f)
|
|
||||||
else:
|
|
||||||
print(json.dumps(graph_data))
|
|
||||||
|
|
||||||
def render_output_pygraphviz(self, dotdata, **kwargs):
|
|
||||||
"""Renders the image using pygraphviz"""
|
|
||||||
if not HAS_PYGRAPHVIZ:
|
|
||||||
raise CommandError("You need to install pygraphviz python module")
|
|
||||||
|
|
||||||
version = pygraphviz.__version__.rstrip("-svn")
|
|
||||||
try:
|
|
||||||
if tuple(int(v) for v in version.split('.')) < (0, 36):
|
|
||||||
# HACK around old/broken AGraph before version 0.36 (ubuntu ships with this old version)
|
|
||||||
import tempfile
|
|
||||||
tmpfile = tempfile.NamedTemporaryFile()
|
|
||||||
tmpfile.write(dotdata)
|
|
||||||
tmpfile.seek(0)
|
|
||||||
dotdata = tmpfile.name
|
|
||||||
except ValueError:
|
|
||||||
pass
|
|
||||||
|
|
||||||
graph = pygraphviz.AGraph(dotdata)
|
|
||||||
graph.layout(prog=kwargs['layout'])
|
|
||||||
graph.draw(kwargs['outputfile'])
|
|
||||||
|
|
||||||
def render_output_pydot(self, dotdata, **kwargs):
|
|
||||||
"""Renders the image using pydot"""
|
|
||||||
if not HAS_PYDOT:
|
|
||||||
raise CommandError("You need to install pydot python module")
|
|
||||||
|
|
||||||
graph = pydot.graph_from_dot_data(dotdata)
|
|
||||||
if not graph:
|
|
||||||
raise CommandError("pydot returned an error")
|
|
||||||
if isinstance(graph, (list, tuple)):
|
|
||||||
if len(graph) > 1:
|
|
||||||
sys.stderr.write("Found more then one graph, rendering only the first one.\n")
|
|
||||||
graph = graph[0]
|
|
||||||
|
|
||||||
output_file = kwargs['outputfile']
|
|
||||||
formats = ['bmp', 'canon', 'cmap', 'cmapx', 'cmapx_np', 'dot', 'dia', 'emf',
|
|
||||||
'em', 'fplus', 'eps', 'fig', 'gd', 'gd2', 'gif', 'gv', 'imap',
|
|
||||||
'imap_np', 'ismap', 'jpe', 'jpeg', 'jpg', 'metafile', 'pdf',
|
|
||||||
'pic', 'plain', 'plain-ext', 'png', 'pov', 'ps', 'ps2', 'svg',
|
|
||||||
'svgz', 'tif', 'tiff', 'tk', 'vml', 'vmlz', 'vrml', 'wbmp', 'xdot']
|
|
||||||
ext = output_file[output_file.rfind('.') + 1:]
|
|
||||||
format = ext if ext in formats else 'raw'
|
|
||||||
graph.write(output_file, format=format)
|
|
||||||
|
|
@ -1,405 +0,0 @@
|
||||||
# -*- coding: utf-8 -*-
|
|
||||||
"""
|
|
||||||
modelviz.py - DOT file generator for Django Models
|
|
||||||
Based on:
|
|
||||||
Django model to DOT (Graphviz) converter
|
|
||||||
by Antonio Cavedoni <antonio@cavedoni.org>
|
|
||||||
Adapted to be used with django-extensions
|
|
||||||
"""
|
|
||||||
|
|
||||||
import datetime
|
|
||||||
import os
|
|
||||||
import re
|
|
||||||
|
|
||||||
import six
|
|
||||||
from django.apps import apps
|
|
||||||
from django.db.models.fields.related import (
|
|
||||||
ForeignKey, ManyToManyField, OneToOneField, RelatedField,
|
|
||||||
)
|
|
||||||
from django.contrib.contenttypes.fields import GenericRelation
|
|
||||||
from django.template import Context, Template, loader
|
|
||||||
from django.utils.encoding import force_bytes, force_str
|
|
||||||
from django.utils.safestring import mark_safe
|
|
||||||
from django.utils.translation import activate as activate_language
|
|
||||||
|
|
||||||
|
|
||||||
__version__ = "1.1"
|
|
||||||
__license__ = "Python"
|
|
||||||
__author__ = "Bas van Oostveen <v.oostveen@gmail.com>",
|
|
||||||
__contributors__ = [
|
|
||||||
"Antonio Cavedoni <http://cavedoni.com/>"
|
|
||||||
"Stefano J. Attardi <http://attardi.org/>",
|
|
||||||
"limodou <http://www.donews.net/limodou/>",
|
|
||||||
"Carlo C8E Miron",
|
|
||||||
"Andre Campos <cahenan@gmail.com>",
|
|
||||||
"Justin Findlay <jfindlay@gmail.com>",
|
|
||||||
"Alexander Houben <alexander@houben.ch>",
|
|
||||||
"Joern Hees <gitdev@joernhees.de>",
|
|
||||||
"Kevin Cherepski <cherepski@gmail.com>",
|
|
||||||
"Jose Tomas Tocino <theom3ga@gmail.com>",
|
|
||||||
"Adam Dobrawy <naczelnik@jawnosc.tk>",
|
|
||||||
"Mikkel Munch Mortensen <https://www.detfalskested.dk/>",
|
|
||||||
"Andrzej Bistram <andrzej.bistram@gmail.com>",
|
|
||||||
]
|
|
||||||
|
|
||||||
|
|
||||||
def parse_file_or_list(arg):
|
|
||||||
if not arg:
|
|
||||||
return []
|
|
||||||
if isinstance(arg, (list, tuple, set)):
|
|
||||||
return arg
|
|
||||||
if ',' not in arg and os.path.isfile(arg):
|
|
||||||
return [e.strip() for e in open(arg).readlines()]
|
|
||||||
return [e.strip() for e in arg.split(',')]
|
|
||||||
|
|
||||||
|
|
||||||
class ModelGraph(object):
|
|
||||||
def __init__(self, app_labels, **kwargs):
|
|
||||||
self.graphs = []
|
|
||||||
self.cli_options = kwargs.get('cli_options', None)
|
|
||||||
self.disable_fields = kwargs.get('disable_fields', False)
|
|
||||||
self.include_models = parse_file_or_list(
|
|
||||||
kwargs.get('include_models', "")
|
|
||||||
)
|
|
||||||
self.all_applications = kwargs.get('all_applications', False)
|
|
||||||
self.use_subgraph = kwargs.get('group_models', False)
|
|
||||||
self.verbose_names = kwargs.get('verbose_names', False)
|
|
||||||
self.inheritance = kwargs.get('inheritance', True)
|
|
||||||
self.relations_as_fields = kwargs.get("relations_as_fields", True)
|
|
||||||
self.sort_fields = kwargs.get("sort_fields", True)
|
|
||||||
self.language = kwargs.get('language', None)
|
|
||||||
if self.language is not None:
|
|
||||||
activate_language(self.language)
|
|
||||||
self.exclude_columns = parse_file_or_list(
|
|
||||||
kwargs.get('exclude_columns', "")
|
|
||||||
)
|
|
||||||
self.exclude_models = parse_file_or_list(
|
|
||||||
kwargs.get('exclude_models', "")
|
|
||||||
)
|
|
||||||
if self.all_applications:
|
|
||||||
self.app_labels = [app.label for app in apps.get_app_configs()]
|
|
||||||
else:
|
|
||||||
self.app_labels = app_labels
|
|
||||||
|
|
||||||
def generate_graph_data(self):
|
|
||||||
self.process_apps()
|
|
||||||
|
|
||||||
nodes = []
|
|
||||||
for graph in self.graphs:
|
|
||||||
nodes.extend([e['name'] for e in graph['models']])
|
|
||||||
|
|
||||||
for graph in self.graphs:
|
|
||||||
for model in graph['models']:
|
|
||||||
for relation in model['relations']:
|
|
||||||
if relation is not None:
|
|
||||||
if relation['target'] in nodes:
|
|
||||||
relation['needs_node'] = False
|
|
||||||
|
|
||||||
def get_graph_data(self, as_json=False):
|
|
||||||
now = datetime.datetime.now()
|
|
||||||
graph_data = {
|
|
||||||
'created_at': now.strftime("%Y-%m-%d %H:%M"),
|
|
||||||
'cli_options': self.cli_options,
|
|
||||||
'disable_fields': self.disable_fields,
|
|
||||||
'use_subgraph': self.use_subgraph,
|
|
||||||
}
|
|
||||||
|
|
||||||
if as_json:
|
|
||||||
graph_data['graphs'] = [context.flatten() for context in self.graphs]
|
|
||||||
else:
|
|
||||||
graph_data['graphs'] = self.graphs
|
|
||||||
|
|
||||||
return graph_data
|
|
||||||
|
|
||||||
def add_attributes(self, field, abstract_fields):
|
|
||||||
if self.verbose_names and field.verbose_name:
|
|
||||||
label = force_bytes(field.verbose_name)
|
|
||||||
if label.islower():
|
|
||||||
label = label.capitalize()
|
|
||||||
else:
|
|
||||||
label = field.name
|
|
||||||
|
|
||||||
t = type(field).__name__
|
|
||||||
if isinstance(field, (OneToOneField, ForeignKey)):
|
|
||||||
remote_field = field.remote_field if hasattr(field, 'remote_field') else field.rel # Remove me after Django 1.8 is unsupported
|
|
||||||
t += " ({0})".format(remote_field.field_name)
|
|
||||||
# TODO: ManyToManyField, GenericRelation
|
|
||||||
|
|
||||||
return {
|
|
||||||
'name': field.name,
|
|
||||||
'label': label,
|
|
||||||
'type': t,
|
|
||||||
'blank': field.blank,
|
|
||||||
'abstract': field in abstract_fields,
|
|
||||||
'relation': isinstance(field, RelatedField),
|
|
||||||
'primary_key': field.primary_key,
|
|
||||||
}
|
|
||||||
|
|
||||||
def add_relation(self, field, model, extras=""):
|
|
||||||
if self.verbose_names and field.verbose_name:
|
|
||||||
label = force_bytes(field.verbose_name)
|
|
||||||
if label.islower():
|
|
||||||
label = label.capitalize()
|
|
||||||
else:
|
|
||||||
label = field.name
|
|
||||||
|
|
||||||
# show related field name
|
|
||||||
if hasattr(field, 'related_query_name'):
|
|
||||||
related_query_name = field.related_query_name()
|
|
||||||
if self.verbose_names and related_query_name.islower():
|
|
||||||
related_query_name = related_query_name.replace('_', ' ').capitalize()
|
|
||||||
label = '{} ({})'.format(label, force_str(related_query_name))
|
|
||||||
|
|
||||||
# handle self-relationships and lazy-relationships
|
|
||||||
remote_field = field.remote_field if hasattr(field, 'remote_field') else field.rel # Remove me after Django 1.8 is unsupported
|
|
||||||
remote_field_model = remote_field.model if hasattr(remote_field, 'model') else remote_field.to # Remove me after Django 1.8 is unsupported
|
|
||||||
if isinstance(remote_field_model, six.string_types):
|
|
||||||
if remote_field_model == 'self':
|
|
||||||
target_model = field.model
|
|
||||||
else:
|
|
||||||
if '.' in remote_field_model:
|
|
||||||
app_label, model_name = remote_field_model.split('.', 1)
|
|
||||||
else:
|
|
||||||
app_label = field.model._meta.app_label
|
|
||||||
model_name = remote_field_model
|
|
||||||
target_model = apps.get_model(app_label, model_name)
|
|
||||||
else:
|
|
||||||
target_model = remote_field_model
|
|
||||||
|
|
||||||
_rel = self.get_relation_context(target_model, field, label, extras)
|
|
||||||
|
|
||||||
if _rel not in model['relations'] and self.use_model(_rel['target']):
|
|
||||||
return _rel
|
|
||||||
|
|
||||||
def get_abstract_models(self, appmodels):
|
|
||||||
abstract_models = []
|
|
||||||
for appmodel in appmodels:
|
|
||||||
abstract_models += [abstract_model for abstract_model in
|
|
||||||
appmodel.__bases__ if
|
|
||||||
hasattr(abstract_model, '_meta') and
|
|
||||||
abstract_model._meta.abstract]
|
|
||||||
abstract_models = list(set(abstract_models)) # remove duplicates
|
|
||||||
return abstract_models
|
|
||||||
|
|
||||||
def get_app_context(self, app):
|
|
||||||
return Context({
|
|
||||||
'name': '"%s"' % app.name,
|
|
||||||
'app_name': "%s" % app.name,
|
|
||||||
'cluster_app_name': "cluster_%s" % app.name.replace(".", "_"),
|
|
||||||
'models': []
|
|
||||||
})
|
|
||||||
|
|
||||||
def get_appmodel_attributes(self, appmodel):
|
|
||||||
if self.relations_as_fields:
|
|
||||||
attributes = [field for field in appmodel._meta.local_fields]
|
|
||||||
else:
|
|
||||||
# Find all the 'real' attributes. Relations are depicted as graph edges instead of attributes
|
|
||||||
attributes = [field for field in appmodel._meta.local_fields if not
|
|
||||||
isinstance(field, RelatedField)]
|
|
||||||
return attributes
|
|
||||||
|
|
||||||
def get_appmodel_abstracts(self, appmodel):
|
|
||||||
return [abstract_model.__name__ for abstract_model in
|
|
||||||
appmodel.__bases__ if
|
|
||||||
hasattr(abstract_model, '_meta') and
|
|
||||||
abstract_model._meta.abstract]
|
|
||||||
|
|
||||||
def get_appmodel_context(self, appmodel, appmodel_abstracts):
|
|
||||||
context = {
|
|
||||||
'app_name': appmodel.__module__.replace(".", "_"),
|
|
||||||
'name': appmodel.__name__,
|
|
||||||
'abstracts': appmodel_abstracts,
|
|
||||||
'fields': [],
|
|
||||||
'relations': []
|
|
||||||
}
|
|
||||||
|
|
||||||
if self.verbose_names and appmodel._meta.verbose_name:
|
|
||||||
context['label'] = force_bytes(appmodel._meta.verbose_name)
|
|
||||||
else:
|
|
||||||
context['label'] = context['name']
|
|
||||||
|
|
||||||
return context
|
|
||||||
|
|
||||||
def get_bases_abstract_fields(self, c):
|
|
||||||
_abstract_fields = []
|
|
||||||
for e in c.__bases__:
|
|
||||||
if hasattr(e, '_meta') and e._meta.abstract:
|
|
||||||
_abstract_fields.extend(e._meta.fields)
|
|
||||||
_abstract_fields.extend(self.get_bases_abstract_fields(e))
|
|
||||||
return _abstract_fields
|
|
||||||
|
|
||||||
def get_inheritance_context(self, appmodel, parent):
|
|
||||||
label = "multi-table"
|
|
||||||
if parent._meta.abstract:
|
|
||||||
label = "abstract"
|
|
||||||
if appmodel._meta.proxy:
|
|
||||||
label = "proxy"
|
|
||||||
label += r"\ninheritance"
|
|
||||||
return {
|
|
||||||
'target_app': parent.__module__.replace(".", "_"),
|
|
||||||
'target': parent.__name__,
|
|
||||||
'type': "inheritance",
|
|
||||||
'name': "inheritance",
|
|
||||||
'label': label,
|
|
||||||
'arrows': '[arrowhead=empty, arrowtail=none, dir=both]',
|
|
||||||
'needs_node': True,
|
|
||||||
}
|
|
||||||
|
|
||||||
def get_models(self, app):
|
|
||||||
appmodels = list(app.get_models())
|
|
||||||
return appmodels
|
|
||||||
|
|
||||||
def get_relation_context(self, target_model, field, label, extras):
|
|
||||||
return {
|
|
||||||
'target_app': target_model.__module__.replace('.', '_'),
|
|
||||||
'target': target_model.__name__,
|
|
||||||
'type': type(field).__name__,
|
|
||||||
'name': field.name,
|
|
||||||
'label': label,
|
|
||||||
'arrows': extras,
|
|
||||||
'needs_node': True
|
|
||||||
}
|
|
||||||
|
|
||||||
def process_attributes(self, field, model, pk, abstract_fields):
|
|
||||||
newmodel = model.copy()
|
|
||||||
if self.skip_field(field) or pk and field == pk:
|
|
||||||
return newmodel
|
|
||||||
newmodel['fields'].append(self.add_attributes(field, abstract_fields))
|
|
||||||
return newmodel
|
|
||||||
|
|
||||||
def process_apps(self):
|
|
||||||
for app_label in self.app_labels:
|
|
||||||
app = apps.get_app_config(app_label)
|
|
||||||
if not app:
|
|
||||||
continue
|
|
||||||
app_graph = self.get_app_context(app)
|
|
||||||
app_models = self.get_models(app)
|
|
||||||
abstract_models = self.get_abstract_models(app_models)
|
|
||||||
app_models = abstract_models + app_models
|
|
||||||
|
|
||||||
for appmodel in app_models:
|
|
||||||
if not self.use_model(appmodel._meta.object_name):
|
|
||||||
continue
|
|
||||||
appmodel_abstracts = self.get_appmodel_abstracts(appmodel)
|
|
||||||
abstract_fields = self.get_bases_abstract_fields(appmodel)
|
|
||||||
model = self.get_appmodel_context(appmodel, appmodel_abstracts)
|
|
||||||
attributes = self.get_appmodel_attributes(appmodel)
|
|
||||||
|
|
||||||
# find primary key and print it first, ignoring implicit id if other pk exists
|
|
||||||
pk = appmodel._meta.pk
|
|
||||||
if pk and not appmodel._meta.abstract and pk in attributes:
|
|
||||||
model['fields'].append(self.add_attributes(pk, abstract_fields))
|
|
||||||
|
|
||||||
for field in attributes:
|
|
||||||
model = self.process_attributes(field, model, pk, abstract_fields)
|
|
||||||
|
|
||||||
if self.sort_fields:
|
|
||||||
model = self.sort_model_fields(model)
|
|
||||||
|
|
||||||
for field in appmodel._meta.local_fields:
|
|
||||||
model = self.process_local_fields(field, model, abstract_fields)
|
|
||||||
|
|
||||||
for field in appmodel._meta.local_many_to_many:
|
|
||||||
model = self.process_local_many_to_many(field, model)
|
|
||||||
|
|
||||||
if self.inheritance:
|
|
||||||
# add inheritance arrows
|
|
||||||
for parent in appmodel.__bases__:
|
|
||||||
model = self.process_parent(parent, appmodel, model)
|
|
||||||
|
|
||||||
app_graph['models'].append(model)
|
|
||||||
if app_graph['models']:
|
|
||||||
self.graphs.append(app_graph)
|
|
||||||
|
|
||||||
def process_local_fields(self, field, model, abstract_fields):
|
|
||||||
newmodel = model.copy()
|
|
||||||
if (field.attname.endswith('_ptr_id') or # excluding field redundant with inheritance relation
|
|
||||||
field in abstract_fields or # excluding fields inherited from abstract classes. they too show as local_fields
|
|
||||||
self.skip_field(field)):
|
|
||||||
return newmodel
|
|
||||||
if isinstance(field, OneToOneField):
|
|
||||||
newmodel['relations'].append(self.add_relation(field, newmodel, '[arrowhead=none, arrowtail=none, dir=both]'))
|
|
||||||
elif isinstance(field, ForeignKey):
|
|
||||||
newmodel['relations'].append(self.add_relation(field, newmodel, '[arrowhead=none, arrowtail=dot, dir=both]'))
|
|
||||||
return newmodel
|
|
||||||
|
|
||||||
def process_local_many_to_many(self, field, model):
|
|
||||||
newmodel = model.copy()
|
|
||||||
if self.skip_field(field):
|
|
||||||
return newmodel
|
|
||||||
if isinstance(field, ManyToManyField):
|
|
||||||
remote_field = field.remote_field if hasattr(field, 'remote_field') else field.rel # Remove me after Django 1.8 is unsupported
|
|
||||||
if hasattr(remote_field.through, '_meta') and remote_field.through._meta.auto_created:
|
|
||||||
newmodel['relations'].append(self.add_relation(field, newmodel, '[arrowhead=dot arrowtail=dot, dir=both]'))
|
|
||||||
elif isinstance(field, GenericRelation):
|
|
||||||
newmodel['relations'].append(self.add_relation(field, newmodel, mark_safe('[style="dotted", arrowhead=normal, arrowtail=normal, dir=both]')))
|
|
||||||
return newmodel
|
|
||||||
|
|
||||||
def process_parent(self, parent, appmodel, model):
|
|
||||||
newmodel = model.copy()
|
|
||||||
if hasattr(parent, "_meta"): # parent is a model
|
|
||||||
_rel = self.get_inheritance_context(appmodel, parent)
|
|
||||||
# TODO: seems as if abstract models aren't part of models.getModels, which is why they are printed by this without any attributes.
|
|
||||||
if _rel not in newmodel['relations'] and self.use_model(_rel['target']):
|
|
||||||
newmodel['relations'].append(_rel)
|
|
||||||
return newmodel
|
|
||||||
|
|
||||||
def sort_model_fields(self, model):
|
|
||||||
newmodel = model.copy()
|
|
||||||
newmodel['fields'] = sorted(newmodel['fields'], key=lambda field: (not field['primary_key'], not field['relation'], field['label']))
|
|
||||||
return newmodel
|
|
||||||
|
|
||||||
def use_model(self, model_name):
|
|
||||||
"""
|
|
||||||
Decide whether to use a model, based on the model name and the lists of
|
|
||||||
models to exclude and include.
|
|
||||||
"""
|
|
||||||
# Check against exclude list.
|
|
||||||
if self.exclude_models:
|
|
||||||
for model_pattern in self.exclude_models:
|
|
||||||
model_pattern = '^%s$' % model_pattern.replace('*', '.*')
|
|
||||||
if re.search(model_pattern, model_name):
|
|
||||||
return False
|
|
||||||
# Check against exclude list.
|
|
||||||
elif self.include_models:
|
|
||||||
for model_pattern in self.include_models:
|
|
||||||
model_pattern = '^%s$' % model_pattern.replace('*', '.*')
|
|
||||||
if re.search(model_pattern, model_name):
|
|
||||||
return True
|
|
||||||
# Return `True` if `include_models` is falsey, otherwise return `False`.
|
|
||||||
return not self.include_models
|
|
||||||
|
|
||||||
def skip_field(self, field):
|
|
||||||
if self.exclude_columns:
|
|
||||||
if self.verbose_names and field.verbose_name:
|
|
||||||
if field.verbose_name in self.exclude_columns:
|
|
||||||
return True
|
|
||||||
if field.name in self.exclude_columns:
|
|
||||||
return True
|
|
||||||
return False
|
|
||||||
|
|
||||||
|
|
||||||
def generate_dot(graph_data, template='django_extensions/graph_models/digraph.dot'):
|
|
||||||
t = loader.get_template(template)
|
|
||||||
|
|
||||||
if not isinstance(t, Template) and not (hasattr(t, 'template') and isinstance(t.template, Template)):
|
|
||||||
raise Exception("Default Django template loader isn't used. "
|
|
||||||
"This can lead to the incorrect template rendering. "
|
|
||||||
"Please, check the settings.")
|
|
||||||
|
|
||||||
c = Context(graph_data).flatten()
|
|
||||||
dot = t.render(c)
|
|
||||||
|
|
||||||
return dot
|
|
||||||
|
|
||||||
|
|
||||||
def generate_graph_data(*args, **kwargs):
|
|
||||||
generator = ModelGraph(*args, **kwargs)
|
|
||||||
generator.generate_graph_data()
|
|
||||||
return generator.get_graph_data()
|
|
||||||
|
|
||||||
|
|
||||||
def use_model(model, include_models, exclude_models):
|
|
||||||
generator = ModelGraph([], include_models=include_models, exclude_models=exclude_models)
|
|
||||||
return generator.use_model(model)
|
|
||||||
|
|
||||||
Loading…
Reference in a new issue