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ABX/pkg/abx/file_context.py

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# file_context.py
"""
Contextual metadata acquired from the file system, file name, directory structure, and
sidecar data files.
Data is acquired from file and directory names and also from yaml files in the tree.
The yaml files are loaded in increasing priority from metadata.yaml, abx.yaml, <dirname>.yaml.
They are also loaded from the top of the tree to the bottom, with the most local Values
overriding the top-level ones.
@author: Terry Hancock
@copyright: 2019 Anansi Spaceworks.
@license: GNU General Public License, version 2.0 or later. (Python code)
Creative Commons Attribution-ShareAlike, version 3.0 or later. (Website Templates).
@contact: digitante@gmail.com
Demo:
>>>
>>> fc = FileContext(TESTPATH)
>>> fc.notes
['Data from implicit + explicit sources']
>>> fc['project']['name']
'My Project'
>>> fc['episode']['code']
1
>>> fc['rank']
'block'
>>> fc['block']['title']
'Beginning Of End'
>>> fc['seq']['title']
'LastPoint'
>>> fc['episode']['title']
'Pilot'
>>> fc['hierarchy']
'episode'
>>> fc['filename']
'A.001-LP-1-BeginningOfEnd-anim.txt'
>>> fc['path']
'/project/terry/Dev/eclipse-workspace/ABX/testdata/myproject/Episodes/A.001-Pilot/Seq/LP-LastPoint/A.001-LP-1-BeginningOfEnd-anim.txt'
>>> fc.root
'/project/terry/Dev/eclipse-workspace/ABX/testdata/myproject'
"""
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))
TESTPATH = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', 'testdata', 'myproject', 'Episodes', 'A.001-Pilot', 'Seq', 'LP-LastPoint', 'A.001-LP-1-BeginningOfEnd-anim.txt'))
from . import accumulate
from .accumulate import RecursiveDict
wordre = re.compile(r'([A-Z][a-z]+|[a-z]+|[0-9]+|[A-Z][A-Z]+)')
class Enum(dict):
def __init__(self, *options):
for i, option in enumerate(options):
if isinstance(option, list) or isinstance(option, tuple):
name = option[0]
self[i] = tuple(option)
else:
name = str(option)
self[i] = (option, option, option)
self[name] = i
if name not in ('name', 'number', 'options'):
setattr(self, name, i)
@property
def options(self):
"""
This gives the options in a Blender-friendly format, with
tuples of three strings for initializing bpy.props.Enum().
If the Enum was initialized with strings, the options will
contain the same string three times. If initialized with
tuples of strings, they will be used unaltered.
"""
options = []
number_keys = sorted([k for k in self.keys() if type(k) is int])
return [self[i] for i in number_keys]
def name(self, n):
if type(n) is int:
return self[n][0]
elif type(n) is str:
return n
else:
return None
def number(self, n):
if type(n) is str:
return self[n]
elif type(n) is int:
return n
else:
return None
log_level = Enum('DEBUG', 'INFO', 'WARNING', 'ERROR')
NameParsers = {} # Parser registry
def registered_parser(parser):
"""
Decorator function to register a parser class.
"""
NameParsers[parser.name] = parser
return parser
@registered_parser
class Parser_ABX_Episode:
"""
Default filename parsing algorithm.
Assumes field-based filenames of the form:
<series>E<episode>[-<seq>[-<block>[-Cam<camera>][-<shot>]]][-<title>]-<role>.<filetype>
Where the <field> indicates fields with fieldnames, and there are three expected separators:
- is the 'field_separator'
E is the 'episode_separator'
. is the 'filetype_separator'
(These can be overridden in the initialization).
The class is callable, taking a string as input and returning a dictionary of fields.
"""
name = 'abx_episode'
max_score = 10 # Maximum number of fields parsed
# supported values for filetype
filetypes = {
'blend': "Blender File",
'kdenlive': "Kdenlive Video Editor File",
'mlt': "Kdenlive Video Mix Script",
'svg': "Scalable Vector Graphics (Inkscape)",
'kra': "Krita Graphic File",
'xcf': "Gimp Graphic File",
'png': "Portable Network Graphics (PNG) Image",
'jpg': "Joint Photographic Experts Group (JPEG) Image",
'aup': "Audacity Project",
'ardour': "Ardour Project",
'flac': "Free Lossless Audio Codec (FLAC)",
'mp3': "MPEG Audio Layer III (MP3) Audio File",
'ogg': "Ogg Vorbis Audio File",
'avi': "Audio Video Interleave (AVI) Video Container",
'mkv': "Matroska Video Container",
'mp4': "Moving Picture Experts Group (MPEG) 4 Format}",
'txt': "Plain Text File"
}
# Roles that make sense in an episode context
roles = {
'extras': "Extras, crowds, auxillary animated movement",
'mech': "Mechanical animation",
'anim': "Character animation",
'cam': "Camera direction",
'vfx': "Visual special effects",
'compos': "Compositing",
'bkg': "Background 2D image",
'bb': "Billboard 2D image",
'tex': "Texture 2D image",
'foley': "Foley sound",
'voice': "Voice recording",
'fx': "Sound effects",
'music': "Music track",
'cue': "Musical cue",
'amb': "Ambient sound",
'loop': "Ambient sound loop",
'edit': "Video edit"
}
# A few filetypes imply their roles:
roles_by_filetype = {
'kdenlive': 'edit',
'mlt': 'edit'
}
def __init__(self, field_separator='-', episode_separator='E', filetype_separator='.',
fields=None, filetypes=None, roles=None, **kwargs):
if not fields:
fields = {}
if filetypes:
self.filetypes = copy.deepcopy(self.filetypes) # Copy class attribute to instance
self.filetypes.update(filetypes) # Update with new values
if roles:
self.roles = copy.deepcopy(self.roles) # Copy class attribute to instance
self.roles.update(roles) # Update with new values
self.field_separator = field_separator
self.episode_separator = episode_separator
self.filetype_separator = filetype_separator
def __call__(self, filename, namepath):
score = 0.0
fielddata = {}
# Check for filetype ending
i_filetype = filename.rfind(self.filetype_separator)
if i_filetype < 0:
fielddata['filetype'] = None
else:
fielddata['filetype'] = filename[i_filetype+1:]
filename = filename[:i_filetype]
score = score + 1.0
components = filename.split(self.field_separator)
# Check for role marker in last component
if components[-1] in self.roles:
fielddata['role'] = components[-1]
del components[-1]
fielddata['hierarchy'] = 'episode'
score = score + 2.0
elif fielddata['filetype'] in self.roles_by_filetype:
fielddata['role'] = self.roles_by_filetype[fielddata['filetype']]
fielddata['hierarchy'] = 'episode'
else:
fielddata['role'] = None
fielddata['hierarchy'] = None
# Check for a descriptive title (must be 3+ characters in length)
if components and len(components[-1])>2:
# Normalize the title as words with spaces
title = ' '.join(w for w in wordre.split(components[-1]) if wordre.fullmatch(w))
del components[-1]
score = score + 1.0
else:
title = None
# Check if first field contains series/episode number
if components:
prefix = components[0]
try:
fielddata['series'] = {}
fielddata['episode'] = {}
fielddata['series']['code'], episode_id = prefix.split(self.episode_separator)
fielddata['episode']['code'] = int(episode_id)
fielddata['rank'] = 'episode'
del components[0]
score = score + 2.0
except:
pass
# Check for sequence/block/shot/camera designations
if components:
fielddata['seq'] = {}
fielddata['seq']['code'] = components[0]
fielddata['rank'] = 'seq'
del components[0]
score = score + 1.0
if components:
try:
fielddata['block'] = {}
fielddata['block']['code'] = int(components[0])
del components[0]
fielddata['rank'] = 'block'
score = score + 1.0
except:
pass
if components and components[0].startswith('Cam'):
fielddata['camera'] = {}
fielddata['camera']['code'] = components[0][len('Cam'):]
fielddata['rank'] = 'camera'
del components[0]
score = score + 1.0
if components:
# Any remaining structure is joined back to make the shot ID
fielddata['shot'] = {}
fielddata['shot']['code'] = ''.join(components)
fielddata['rank'] = 'shot'
components = None
score = score + 1.0
if title and fielddata['rank'] in fielddata:
fielddata[fielddata['rank']]['title'] = title
return score/self.max_score, fielddata
@registered_parser
class Parser_ABX_Schema(object):
"""
Parser based on using the project_schema defined in the project root directory YAML.
"""
name = 'abx_schema'
def __init__(self, schemas=None, definitions=None,
filetype_separator = '.',
comment_separator = '--',
role_separator = '-',
title_separator = '-',
**kwargs):
self.filetype_separator = filetype_separator
self.comment_separator = comment_separator
self.role_separator = role_separator
self.title_separator = title_separator
self.schemas = schemas
if 'roles' in definitions:
self.roles = definitions['roles']
else:
self.roles = []
if 'filetypes' in definitions:
self.filetypes = definitions['filetypes']
else:
self.filetypes = []
if 'roles_by_filetype' in definitions:
self.roles_by_filetype = definitions['roles_by_filetype']
else:
self.roles_by_filetype = []
def _parse_ending(self, filename, separator):
try:
remainder, suffix = filename.rsplit(separator, 1)
score = 1.0
except ValueError:
remainder = filename
suffix = None
score = 0.0
return (suffix, remainder, score)
def _parse_beginning(self, filename, separator):
try:
prefix, remainder = filename.split(separator, 1)
score = 1.0
except ValueError:
prefix = filename
remainder = ''
score = 0.0
return (prefix, remainder, score)
def __call__ (self, filename, namepath, debug=False):
fields = {}
score = 0.0
possible = 0.0
# First get specially-handled extensions
remainder = filename
field, newremainder, s = self._parse_ending(remainder, self.filetype_separator)
if field and field in self.filetypes:
remainder = newremainder
fields['filetype'] = field
score += s*1.0
else:
fields['filetype'] = None
field, remainder, s = self._parse_ending(remainder, self.comment_separator)
fields['comment'] = field
score += s*0.5
field, newremainder, s = self._parse_ending(remainder, self.role_separator)
if field and field in self.roles:
remainder = newremainder
fields['role'] = field
score += s*0.5
else:
fields['role'] = None
field, remainder, s = self._parse_ending(remainder, self.title_separator)
fields['title'] = field
score += s*0.5
possible += 3.0
# Implicit roles
if ( not fields['role'] and
fields['filetype'] and
fields['role'] in self.roles_by_filetype):
self.role = self.roles_by_filetype[fields['filetype']]
score += 0.2
#possible += 0.2
# Figure the rest out from the schema
# Find the matching rank start position for the filename
start = 0
for start, (schema, name) in enumerate(zip(self.schemas, namepath)):
field, r, s = self._parse_beginning(remainder, schema.delimiter)
try:
if field.lower() == schema.format.format(name).lower():
score += 1.0
break
except ValueError:
print(' (365) field, format', field, schema.format)
possible += 1.0
# Starting from that position, try to match fields
# up to the end of the namepath (checking against it)
irank = 0
for irank, (schema, name) in enumerate(
zip(self.schemas[start:], namepath[start:])):
if not remainder: break
field, remainder, s = self._parse_beginning(remainder, schema.delimiter)
score += s
try:
if ( type(field) == str and
field.lower() == schema.format.format(name).lower()):
fields[schema.rank]={'code':field}
fields['rank'] = schema.rank
score += 1.0
except ValueError:
print(' (384) field, format', field, schema.format)
possible += 2.0
# Remaining fields are authoritative (doesn't affect score)
for schema in self.schemas[irank:]:
if not remainder: break
field, remainder, s = self._parse_beginning(remainder, schema.delimiter)
fields[schema.rank]={'code':field}
fields['rank'] = schema.rank
if 'rank' in fields:
fields[fields['rank']]['title'] = fields['title']
if not fields['role'] and fields['filetype'] in self.roles_by_filetype:
fields['role'] = self.roles_by_filetype[fields['filetype']]
return score/possible, fields
@registered_parser
class Parser_ABX_Fallback(object):
"""
Highly-tolerant parser to fall back to if the others fail
or can't be used.
"""
name = 'abx_fallback'
filetypes = DEFAULT_YAML['definitions']['filetypes']
roles = DEFAULT_YAML['definitions']['roles']
roles_by_filetype = (
DEFAULT_YAML['definitions']['roles_by_filetype'])
main_sep_re = re.compile(r'\W+') # Any single non-word char
comment_sep_re = re.compile(r'[\W_][\W_]+|[~#$!=+&]+')
def __init__(self, **kwargs):
pass
def _parse_ending(self, filename, separator):
try:
remainder, suffix = filename.rsplit(separator, 1)
score = 1.0
except ValueError:
remainder = filename
suffix = None
score = 0.0
return (suffix, remainder, score)
def __call__(self, filename, namepath):
fields = {}
score = 1.0
possible = 4.5
split = filename.rsplit('.', 1)
if len(split)<2 or split[1] not in self.filetypes:
fields['filetype'] = None
remainder = filename
score += 1.0
else:
fields['filetype'] = split[1]
remainder = split[0]
comment_match = self.comment_sep_re.search(remainder)
if comment_match:
fields['comment'] = remainder[comment_match.end():]
remainder = remainder[:comment_match.start()]
else:
fields['comment'] = None
role = self.main_sep_re.split(remainder)[-1]
if role in self.roles:
fields['role'] = role
remainder = remainder[:-1-len(role)]
score += 1.0
else:
fields['role'] = None
# Implied role
if fields['filetype'] in self.roles_by_filetype:
fields['role'] = self.roles_by_filetype[fields['filetype']]
score += 1.0
words = self.main_sep_re.split(remainder)
fields['code'] = ''.join([w.capitalize() for w in words])
fields['title'] = remainder
return score/possible, fields
class RankNotFound(LookupError):
pass
class NameSchema(object):
"""
Represents a schema used for parsing and constructing designations, names, etc.
"""
# Defaults
_default_schema = {
'delimiter':'-',
'type': 'string',
'format':'{:s}',
'minlength':1, # Must be at least one character
'maxlength':0, # 0 means unlimited
'words': False, # If true, treat value as words and spaces
'pad': '0', # Left-padding character for fixed length
'default': None,
'rank': 'project',
'irank': 0,
'ranks': ('series', 'episode', 'sequence',
'block', 'camera', 'shot', 'element')
}
_codetypes = {
'number':{},
'string':{},
'letter':{},
'lowercase':{},
}
_letter = tuple((A,A,A) for A in string.ascii_uppercase)
_lowercase = tuple((a,a,a) for a in string.ascii_lowercase)
rank = 'project'
irank = 0
default = None
ranks = ('project',)
def __init__(self, parent=None, rank=None, schema=None, debug=False):
# Three types of schema data:
# Make sure schema is a copy -- no side effects!
if not schema:
schema = {}
else:
s = {}
s.update(schema)
schema = s
if not rank and 'rank' in schema:
rank = schema['rank']
# Stepped down in rank from parent:
self.parent = parent
if parent and rank:
# Check rank is defined in parent ranks and use that
# We can skip optional ranks
if rank in parent.ranks:
j = parent.ranks.index(rank)
self.ranks = parent.ranks[j+1:]
self.rank = rank
else:
# It's an error to ask for a rank that isn't defined
raise RankNotFound(
'"%s" not in defined ranks for "%s"' % (rank, parent))
elif parent and not rank:
# By default, get the first rank below parent
self.rank = parent.ranks[0]
self.ranks = parent.ranks[1:]
elif rank and not parent:
# With no parent, we're starting a new tree and renaming the root
self.rank = rank
self.ranks = self._default_schema['ranks']
else: # not rank and not parent:
# New tree with default rank
self.rank = self._default_schema['rank']
self.ranks = self._default_schema['ranks']
# Directly inherited/acquired from parent
# So far, only need a delimiter specified, but might be other stuff
self.delimiter = self._default_schema['delimiter']
if parent and parent.delimiter: self.delimiter = parent.delimiter
# Explicit override by the new schema:
if 'ranks' in schema: self.ranks = schema['ranks']
if 'delimiter' in schema: self.delimiter = schema['delimiter']
if 'default' in schema:
if schema['default'] == 'None':
self.default = None
else:
self.default = schema['default']
# Default unless specified (i.e. not inherited from parent)
newschema = {}
newschema.update(self._default_schema)
newschema.update(schema)
self.format = str(newschema['format'])
self.minlength = int(newschema['minlength'])
self.maxlength = int(newschema['maxlength'])
self.pad = str(newschema['pad'])
self.words = bool(newschema['words'])
if newschema['type'] == 'letter':
self.codetype = self._letter
elif newschema['type'] == 'lowercase':
self.codetype = self._lowercase
elif newschema['type'] == 'number':
# Recognized Python types
self.codetype = int
if 'minlength' or 'maxlength' in schema:
self.format = '{:0>%dd}' % self.minlength
elif newschema['type'] == 'string':
self.codetype = str
if ('minlength' in schema) or ('maxlength' in schema):
if self.maxlength == 0:
# Special case for unlimited length
self.format = '{:%1.1s>%ds}' % (self.pad, self.minlength)
self.format = '{:%1.1s>%d.%ds}' % (
self. pad, self.minlength, self.maxlength)
elif newschema['type'] == 'bool':
self.codetype = bool
elif isinstance(newschema['type'], collections.Sequence):
# Enumerated types
# This is somewhat specific to Blender -- setting the
# enumeration values requires a sequence in a particular format
self.codetype = []
for option in newschema['type']:
if type(option) is not str and isinstance(option, collections.Sequence):
option = tuple([str(e) for e in option][:3])
else:
option = (str(option), str(option), str(option))
self.codetype.append(option)
elif isinstance(newschema['type'], collections.Mapping):
self.codetype = []
for key, val in newschema['type'].items():
if type(val) is not str and isinstance(val, collections.Sequence):
if len(val) == 0:
option = (str(key), str(key), str(key))
elif len(val) == 1:
option = (str(key), str(val[0]), str(val[0]))
else:
option = (str(key), str(val[0]), str(val[1]))
else:
option = (str(key), str(val), str(val))
self.codetype.append(option)
else:
# If all else fails, just list the string
self.codetype = None
def __repr__(self):
return('<(%s).NameSchema: %s (%s, %s, %s, (%s))>' % (
repr(self.parent),
#self.irank,
self.rank,
self.delimiter,
self.default,
self.format,
self.codetype
))
class NameContext(object):
"""
Single naming context within the file (e.g. a Blender scene).
"""
def __init__(self, container, fields=None, namepath_segment=(), ):
self.clear()
if container or fields or namepath_segment:
self.update(container, fields, namepath_segment)
def clear(self):
self.fields = {}
self.schemas = ['project']
self.rank = 0
self.code = 'untitled'
self.container = None
self.namepath_segment = []
def update(self, container=None, fields=None, namepath_segment=()):
self.container = container
if namepath_segment:
self.namepath_segment = namepath_segment
else:
self.namepath_segment = []
try:
self.schemas = self.container.schemas
except AttributeError:
self.schemas = []
try:
self.omit_ranks = self.container.omit_ranks
except AttributeError:
self.omit_ranks = {}
self.omit_ranks.update({
'edit': 0,
'render': 1,
'filename': 1,
'scene': 3})
if fields:
if isinstance(fields, dict):
self.fields.update(fields)
elif isinstance(fields, str):
self.fields.update(yaml.safe_load(fields))
def update_fields(self, data):
self.fields.update(data)
def _load_schemas(self, schemas, start=0):
"""
Load schemas from a list of schema dictionaries.
@schemas: list of dictionaries containing schema field data (see NameSchema).
The data will typically be extracted from YAML, and is
expected to be a list of dictionaries, each of which defines
fields understood by the NameSchema class, to instantiate
NameSchema objects. The result is a linked chain of schemas from
the top of the project tree down.
@start: if a start value is given, the top of the existing schema
chain is kept, and the provided schemas starts under the rank of
the start level in the existing schema. This is what happens when
the schema is locally overridden at some point in the hierarchy.
"""
self.schemas = self.schemas[:start]
if self.schemas:
last = self.schemas[-1]
else:
last = None
for schema in schemas:
self.schemas.append(NameSchema(last, schema['rank'], schema=schema))
#last = self.schemas[-1]
def _parse_words(self, wordtext):
words = []
groups = re.split(r'[\W_]', wordtext)
for group in groups:
if len(group)>1:
group = group[0].upper() + group[1:]
words.extend(re.findall(r'[A-Z][a-z]*', group))
elif len(group)==1:
words.append(group[0].upper())
else:
continue
return words
def _cap_words(self, words):
return ''.join(w.capitalize() for w in words)
def _underlower_words(self, words):
return '_'.join(w.lower() for w in words)
def _undercap_words(self, words):
return '_'.join(w.capitalize() for w in words)
def _spacecap_words(self, words):
return ' '.join(w.capitalize() for w in words)
def _compress_name(self, name):
return self._cap_words(self._parse_words(name))
@property
def namepath(self):
if self.container:
return self.container.namepath + self.namepath_segment
else:
return self.namepath_segment
@property
def rank(self):
if 'rank' in self.fields:
return self.fields['rank']
else:
return None
@rank.setter
def rank(self, rank):
self.fields['rank'] = rank
@property
def name(self):
if 'name' in self.fields:
return self.fields['name']
elif 'title' in self.fields:
return self._compress_name(self.fields['title'])
# elif 'code' in self.fields:
# return self.fields['code']
else:
return ''
@name.setter
def name(self, name):
self.fields['name'] = name
@property
def code(self):
if self.rank:
return self.fields[self.rank]['code']
else:
return self.fields['code']
@code.setter
def code(self, code):
if self.rank:
self.fields[self.rank] = {'code': code}
else:
self.fields['code'] = code
@property
def description(self):
if 'description' in self.fields:
return self.fields['description']
else:
return ''
@description.setter
def description(self, description):
self.fields['description'] = str(description)
def _get_name_components(self):
components = []
for code, schema in zip(self.namepath, self.schemas):
if code is None: continue
components.append(schema.format.format(code))
components.append(schema.delimiter)
return components[:-1]
@property
def fullname(self):
if self.name:
return (self.designation +
self.schemas[-1].delimiter +
self._compress_name(self.name) )
else:
return self.designation
@property
def designation(self):
return ''.join(self._get_name_components())
@property
def shortname(self):
namebase = self.omit_ranks['filename']*2
return (''.join(self._get_name_components()[namebase:]) +
self.schemas[-1].delimiter +
self._compress_name(self.name))
def get_scene_name(self, suffix=''):
namebase = self.omit_ranks['scene']*2
desig = ''.join(self._get_name_components()[namebase:])
if suffix:
return desig + ' ' + suffix
else:
return desig
def get_render_path(self, suffix='', framedigits=5, ext='png'):
desig = ''.join(self._get_name_components()[self.omit_ranks['render']+1:])
if ext in ('avi', 'mov', 'mp4', 'mkv'):
if suffix:
path = os.path.join(self.render_root, suffix,
desig + '-' + suffix + '.' + ext)
else:
path = os.path.join(self.render_root, ext.upper(),
desig + '.' + ext)
else:
if suffix:
path = os.path.join(self.render_root,
suffix, desig,
desig + '-' + suffix + '-f' + '#'*framedigits + '.' + ext)
else:
path = os.path.join(self.render_root,
ext.upper(), desig,
desig + '-f' + '#'*framedigits + '.' + ext)
return path
class FileContext(NameContext):
"""
Collected information about an object's location on disk: metadata
about filename, directory names, and project, based on expected keywords.
"""
# hierarchies = ()
# hierarchy = None
#schema = None
# IMMUTABLE DEFAULTS:
filepath = None
root = None
folders = ()
#ranks = ()
project_units = ()
filename = None
fields = None
#subunits = ()
code = '_'
# defaults = {
# 'filetype': None, 'role': None, 'hierarchy': None, 'project': None,
# 'series': None, 'episode': None, 'seq': None, 'block': None,
# 'camera': None, 'shot': None, 'title': None }
def __init__(self, path=None):
"""
Collect path context information from a given filepath.
(Searches the filesystem for context information).
"""
NameContext.__init__(self, None, {})
self.clear()
self.clear_notes()
if path:
self.update(path)
def clear(self):
NameContext.clear(self)
# Identity
self.root = os.path.abspath(os.environ['HOME'])
self.render_root = os.path.join(self.root, 'Renders')
self.filetype = ''
self.role = ''
self.title = ''
self.comment = ''
# Containers
#self.notes = []
self.name_contexts = []
# Status / Settings
self.filepath = None
self.filename = None
self.file_exists = False
self.folder_exists = False
self.omit_ranks = {
'edit': 0,
'render': 0,
'filename': 0,
'scene': 0}
# Defaults
self.provided_data = RecursiveDict(DEFAULT_YAML)
self.abx_fields = DEFAULT_YAML['abx']
def clear_notes(self):
# We use this for logging, so it doesn't get cleared by the
# normal clear process.
self.notes = []
def update(self, 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
# - Should we create it? / Are we creating it?
# We should add a default YAML file in the ABX software to guarantee
# necessary fields are in place, and to document the configuration for
# project developers.
# Data from YAML Files
#self._collect_yaml_data()
self.provided_data = RecursiveDict(DEFAULT_YAML)
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
# Did we find the YAML data for the project?
# Did we find the project root?
# TODO: Bug?
# Note that 'project_schema' might not be correct if overrides are given.
# As things are, I think it will simply append the overrides, and this
# may lead to odd results. We'd need to actively compress the list by
# overwriting according to rank
#
try:
self._load_schemas(self.provided_data['project_schema'])
self.namepath_segment = [d['code'] for d in self.provided_data['project_unit']]
self.code = self.namepath[-1]
except:
print("Errors finding Name Path (is there a 'project_schema' or 'project_unit' defined?")
pass
# print("\n(899) filename = ", self.filename)
# if 'project_schema' in self.provided_data:
# print("(899) project_schema: ", self.provided_data['project_schema'])
# else:
# print("(899) project schema NOT DEFINED")
#
# print("(904) self.namepath_segment = ", self.namepath_segment)
# Was there a "project_schema" section?
# - if not, do we fall back to a default?
# Was there a "project_unit" section?
# - if not, can we construct what we need from project_root & folders?
# Is there a definitions section?
# Do we provide defaults?
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')
self.omit_ranks = {}
try:
for key, val in self.provided_data['definitions']['omit_ranks'].items():
self.omit_ranks[key] = int(val)
except KeyError:
self.omit_ranks.update({
'edit': 0,
'render': 1,
'filename': 1,
'scene': 3})
# Data from Parsing the File Name
try:
self.parsers = [NameParsers[self.provided_data['definitions']['parser']](**self.schema['filenames'])]
except (TypeError, KeyError, IndexError):
self.parsers = [
#Parser_ABX_Episode(),
Parser_ABX_Schema(self.schemas, self.provided_data['definitions'])]
parser_chosen, parser_score = self._parse_filename()
self.log(log_level.INFO, "Parsed with %s, score: %d" %
(parser_chosen, parser_score))
# TODO:
# We don't currently consider the information from the folder names,
# though we could get some additional information this way
def __repr__(self):
s = '{0}(data='.format(self.__class__.__name__)
#s = s + super().__repr__()
s = s + str(self.code) + '(' + str(self.rank) + ')'
s = s + ')'
return s
def log(self, level, msg):
if type(level) is str:
level = log_level.index(level)
self.notes.append((level, msg))
def get_log_text(self, level=log_level.INFO):
level = log_level.number(level)
return '\n'.join([
': '.join((log_level.name(note[0]), note[1]))
for note in self.notes
if log_level.number(note[0]) >= level])
def _parse_filename(self):
"""
Try available fuzzy data parsers on the filename, and pick the one
that returns the best score.
"""
fields = {}
best_score = 0.0
best_parser_name = None
for parser in self.parsers:
score, fielddata = parser(self.filename, self.namepath)
if score > best_score:
fields = fielddata
best_parser_name = parser.name
best_score = score
self.fields.update(fields)
self._pull_up_last_rank_fields()
return best_parser_name, best_score
def _pull_up_last_rank_fields(self):
if ( 'rank' in self.fields and
self.fields['rank'] in self.fields and
isinstance(self.fields[self.fields['rank']], collections.Mapping) ):
for key, val in self.fields[self.fields['rank']].items():
self.fields[key] = val
# def _collect_yaml_data(self):
@property
def filetype(self):
if 'filetype' in self.fields:
return self.fields['filetype']
else:
return ''
@filetype.setter
def filetype(self, filetype):
self.fields['filetype'] = filetype
@property
def role(self):
if 'role' in self.fields:
return self.fields['role']
else:
return ''
@role.setter
def role(self, role):
self.fields['role'] = role
@property
def title(self):
if 'title' in self.fields:
return self.fields['title']
else:
return ''
@title.setter
def title(self, title):
self.fields['title'] = title
@property
def comment(self):
if 'comment' in self.fields:
return self.fields['comment']
else:
return ''
@comment.setter
def comment(self, comment):
self.fields['comment'] = comment
@classmethod
def deref_implications(cls, values, matchfields):
subvalues = {}
for key in values:
# TODO: is it safe to use type tests here instead of duck tests?
if type(values[key])==int and values[key] < len(matchfields):
subvalues[key]=matchfields[values[key]]
elif type(values[key]==dict):
subvalues[key]=cls.deref_implications(values[key], matchfields)
elif type(values[key]==list):
vals = []
for val in values[key]:
vals.append(cls.deref_implications(val, matchfields))
return subvalues
def get_path_implications(self, path):
data = {}
prefix = r'(?:.*/)?'
suffix = r'(?:/.*)?'
for implication in self.schema['path_implications']:
matched = re.compile(prefix + implication['match'] + suffix).match(path)
if matched and matched.groups:
data.update(self.deref_implications(implication['values'], matched.groups()))
return data
def new_name_context(self, rank=None, **kwargs):
"""
Get a subunit from the current file.
Any rank in the hierarchy may be specified, though element, shot,
camera, and block are most likely.
"""
fields = {}
fields.update(self.fields)
namepath_segment = []
ranks = [s.rank for s in self.schemas]
i_rank = len(self.namepath)
old_rank = ranks[i_rank -1]
# The new rank will be the highest rank mentioned, or the
# explicitly requested rank or
# one rank past the namepath
#
new_rank = self.schemas[i_rank].rank
for schema in self.schemas[i_rank:]:
if schema.rank in kwargs:
fields[schema.rank] = {'code':kwargs[schema.rank]}
new_rank = schema.rank
namepath_segment.append(kwargs[schema.rank])
elif rank is not None:
namepath_segment.append(schema.default)
if ranks.index(schema.rank) <= ranks.index(rank):
new_rank = schema.rank
delta_rank = ranks.index(new_rank) - ranks.index(old_rank)
# Truncate to the new rank:
namepath_segment = namepath_segment[:delta_rank]
fields['rank'] = new_rank
fields['code'] = namepath_segment[-1]
self.name_contexts.append(NameContext(self, fields,
namepath_segment=namepath_segment))
return self.name_contexts[-1]
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