ABX/abx/abx_context.py

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# abx_context.py
"""
Simplified file-context information, used to determine the correct source
of ABX settings from 'abx.yaml' files in the project folders.
This is reduced from the earlier attempt to use the file_context system
which I've moved into KitCAT.
"""
import os, re, copy, string, collections
import yaml
DEFAULT_YAML = {}
with open(os.path.join(os.path.dirname(__file__), 'abx.yaml')) as def_yaml_file:
DEFAULT_YAML.update(yaml.safe_load(def_yaml_file))
from . import accumulate
from .accumulate import RecursiveDict
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from .render_profile import RenderProfileMap
class ABX_Context(object):
"""
BlendFile context information.
"""
filepath = None
root = None
folders = ()
filename = None
def __init__(self, path=None):
self.clear()
if path:
self.update(path)
def clear(self):
"""
Clear contents of ABX_Context object.
Nearly the same as reinitializing, but the notes
attribute is left alone, to preserve the log history.
"""
# Identity
self.root = os.path.abspath(os.environ['HOME'])
self.render_root = os.path.join(self.root, 'Renders')
self.role = ''
# Status / Settings
self.filepath = None
self.filename = None
self.filetype = 'blend'
self.file_exists = False
self.folder_exists = False
# Defaults
self.provided_data = RecursiveDict(DEFAULT_YAML, source='default')
self.abx_fields = DEFAULT_YAML['abx']
self.render_profiles = {} #RenderProfileMap()
def update(self, path):
"""
Update the FileContext based on a new file path.
"""
# Basic File Path Info
self.filepath = os.path.abspath(path)
self.filename = os.path.basename(path)
# Does the file path exist?
if os.path.exists(path):
self.file_exists = True
self.folder_exists = True
else:
self.file_exists = False
if os.path.exists(os.path.dirname(path)):
self.folder_exists = True
else:
self.folder_exists = False
# Data from YAML Files
#self._collect_yaml_data()
self.provided_data = RecursiveDict(DEFAULT_YAML, source='default')
kitcat_root, kitcat_data, abx_data = accumulate.get_project_data(self.filepath)
self.root = kitcat_root
self.provided_data.update(kitcat_data)
path = os.path.abspath(os.path.normpath(self.filepath))
root = os.path.abspath(self.root)
self.folders = [os.path.basename(self.root)]
self.folders.extend(os.path.normpath(os.path.relpath(path, root)).split(os.sep)[:-1])
self.abx_fields = abx_data
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self.render_profiles = RenderProfileMap(self.abx_fields['render_profiles'])
try:
self.render_root = os.path.join(self.root,
self.provided_data['definitions']['render_root'])
except KeyError:
self.render_root = os.path.join(self.root, 'Renders')