199 lines
7.6 KiB
Python
199 lines
7.6 KiB
Python
import json
|
|
import os
|
|
import re
|
|
import subprocess
|
|
from collections import OrderedDict
|
|
|
|
from django.conf import settings
|
|
from django.core.management import CommandError
|
|
|
|
from c3nav.mapdata.models import AreaLocation, Elevator, Level, LocationGroup, Package
|
|
from c3nav.mapdata.models.geometry import LevelConnector
|
|
from c3nav.mapdata.packageio.const import ordered_models
|
|
|
|
|
|
class MapdataReader:
|
|
def __init__(self):
|
|
self.content = {}
|
|
self.package_names_by_dir = {}
|
|
self.saved_items = {model: {} for model in ordered_models}
|
|
self.path_regexes = OrderedDict((model, model.get_path_regex()) for model in ordered_models)
|
|
print(self.path_regexes)
|
|
|
|
def read_packages(self):
|
|
print('Detecting Map Packages…')
|
|
|
|
for directory in os.listdir(settings.MAP_ROOT):
|
|
print('\n' + directory)
|
|
if not os.path.isdir(os.path.join(settings.MAP_ROOT, directory)):
|
|
continue
|
|
self.read_package(directory)
|
|
|
|
def read_package(self, package_dir):
|
|
full_package_dir = os.path.join(settings.MAP_ROOT, package_dir)
|
|
|
|
for path, sub_dirs, filenames in os.walk(full_package_dir):
|
|
sub_dirs[:] = sorted([directory for directory in sub_dirs if not directory.startswith('.')])
|
|
for filename in sorted(filenames):
|
|
if not filename.endswith('.json'):
|
|
continue
|
|
self.add_file(package_dir, path[len(full_package_dir) + 1:], filename)
|
|
|
|
def _add_item(self, item):
|
|
if item.package_dir not in self.content:
|
|
self.content[item.package_dir] = {model: [] for model in ordered_models}
|
|
self.content[item.package_dir][item.model].append(item)
|
|
|
|
def add_file(self, package_dir, path, filename):
|
|
file_path = os.path.join(package_dir, path, filename)
|
|
relative_file_path = os.path.join(path, filename)
|
|
for model, path_regex in self.path_regexes.items():
|
|
if re.search(path_regex, relative_file_path):
|
|
self._add_item(ReaderItem(self, package_dir, path, filename, model))
|
|
break
|
|
else:
|
|
raise CommandError('Unexpected JSON file: %s' % file_path)
|
|
|
|
def apply_to_db(self):
|
|
# Collect all Packages
|
|
package_items_by_name = {}
|
|
package_dirs_by_name = {}
|
|
for package_dir, items_by_model in self.content.items():
|
|
if not items_by_model[Package]:
|
|
raise CommandError('Missing package file: %s' % package_dir)
|
|
|
|
if len(items_by_model[Package]) > 1:
|
|
raise CommandError('Multiple package files: %s' % package_dir)
|
|
|
|
package_item = items_by_model[Package][0]
|
|
package_items_by_name[package_item.data['name']] = package_item
|
|
package_dirs_by_name[package_item.data['name']] = package_dir
|
|
self.package_names_by_dir[package_dir] = package_item.data['name']
|
|
|
|
# Resolve Package Dependencies
|
|
unresolved_packages = set(package_items_by_name.keys())
|
|
resolved_packages = set()
|
|
package_order = []
|
|
while unresolved_packages:
|
|
resolvable = set([name for name in unresolved_packages if
|
|
not set(package_items_by_name[name].data['depends'])-resolved_packages])
|
|
if not resolvable:
|
|
raise CommandError('Could not resolve package dependencies: %s' % unresolved_packages)
|
|
package_order.extend(resolvable)
|
|
unresolved_packages -= resolvable
|
|
resolved_packages |= resolvable
|
|
|
|
# Create new and update existing entries
|
|
for package_name in package_order:
|
|
print('')
|
|
package_dir = package_dirs_by_name[package_name]
|
|
items_by_model = self.content[package_dir]
|
|
for model in ordered_models:
|
|
items = items_by_model[model]
|
|
for item in items:
|
|
item.save()
|
|
|
|
# Delete old entries
|
|
for model in reversed(ordered_models):
|
|
saved = set(self.saved_items[model].keys())
|
|
for obj in model.objects.all():
|
|
if obj.name not in saved:
|
|
print('- Deleted %s: %s' % (model.__name__, obj.name))
|
|
obj.delete()
|
|
|
|
|
|
class ReaderItem:
|
|
def __init__(self, reader, package_dir, path, filename, model):
|
|
self.reader = reader
|
|
self.package_dir = package_dir
|
|
self.path = path
|
|
self.filename = filename
|
|
self.model = model
|
|
self.obj = None
|
|
self.path_in_package = os.path.join(self.path, self.filename)
|
|
|
|
try:
|
|
with open(os.path.join(settings.MAP_ROOT, package_dir, path, filename)) as f:
|
|
self.content = f.read()
|
|
except Exception as e:
|
|
raise CommandError('Could not read File: %s' % e)
|
|
|
|
try:
|
|
self.json_data = json.loads(self.content)
|
|
except json.JSONDecodeError as e:
|
|
raise CommandError('Could not decode JSON: %s' % e)
|
|
|
|
self.data = {'name': filename[:-5]}
|
|
|
|
if self.model == Package:
|
|
self.data['directory'] = package_dir
|
|
self.data['commit_id'] = None
|
|
try:
|
|
full_package_dir = os.path.join(settings.MAP_ROOT, package_dir)
|
|
result = subprocess.Popen(['git', '-C', full_package_dir, 'rev-parse', '--verify', 'HEAD'],
|
|
stdout=subprocess.PIPE)
|
|
returncode = result.wait()
|
|
except FileNotFoundError:
|
|
pass
|
|
else:
|
|
if returncode == 0:
|
|
self.data['commit_id'] = result.stdout.read().strip()
|
|
|
|
try:
|
|
add_data = self.model.fromfile(self.json_data, self.path_in_package)
|
|
except Exception as e:
|
|
raise
|
|
raise CommandError('Could not load data: %s' % e)
|
|
self.data.update(add_data)
|
|
|
|
relations = {
|
|
'level': Level,
|
|
'crop_to_level': Level,
|
|
'elevator': Elevator,
|
|
}
|
|
|
|
def save(self):
|
|
depends = []
|
|
if self.model != Package:
|
|
package_name = self.reader.package_names_by_dir[self.package_dir]
|
|
self.data['package'] = self.reader.saved_items[Package][package_name].obj
|
|
else:
|
|
depends = [self.reader.saved_items[Package][name].obj.pk for name in self.data['depends']]
|
|
self.data.pop('depends')
|
|
|
|
levels = []
|
|
if self.model == LevelConnector:
|
|
levels = [self.reader.saved_items[Level][name].obj.pk for name in self.data['levels']]
|
|
self.data.pop('levels')
|
|
|
|
groups = []
|
|
if self.model == AreaLocation:
|
|
groups = [self.reader.saved_items[LocationGroup][name].obj.pk for name in self.data['groups']]
|
|
self.data.pop('groups')
|
|
|
|
# Change name references to the referenced object
|
|
for name, model in self.relations.items():
|
|
if name in self.data:
|
|
self.data[name] = self.reader.saved_items[model][self.data[name]].obj
|
|
|
|
obj, created = self.model.objects.update_or_create(name=self.data['name'], defaults=self.data)
|
|
if created:
|
|
print('- Created %s: %s' % (self.model.__name__, obj.name))
|
|
|
|
self.obj = obj
|
|
self.reader.saved_items[self.model][obj.name] = self
|
|
|
|
if depends:
|
|
self.obj.depends.clear()
|
|
for dependency in depends:
|
|
self.obj.depends.add(dependency)
|
|
|
|
if levels:
|
|
self.obj.levels.clear()
|
|
for level in levels:
|
|
self.obj.levels.add(level)
|
|
|
|
if groups:
|
|
self.obj.groups.clear()
|
|
for group in groups:
|
|
self.obj.groups.add(group)
|