KiBot/kibot/optionable.py

285 lines
11 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (c) 2020-2021 Salvador E. Tropea
# Copyright (c) 2020-2021 Instituto Nacional de Tecnología Industrial
# License: GPL-3.0
# Project: KiBot (formerly KiPlot)
""" Base class for output options """
import os
import re
import inspect
from re import compile
from .error import KiPlotConfigurationError
from .gs import GS
from .misc import W_UNKOPS
from . import log
logger = log.get_logger(__name__)
def filter(v):
return inspect.isclass(v) or not (callable(v) or isinstance(v, (dict, list)))
class Optionable(object):
""" A class to validate and hold configuration outputs/options.
Is configured from a dict and the collected values are stored in its attributes. """
_str_values_re = compile(r"string=.*\] \[([^\]]+)\]")
_num_range_re = compile(r"number=.*\] \[(-?\d+),(-?\d+)\]")
_default = None
def __init__(self):
self._unkown_is_error = False
self._error_context = ''
self._tree = {}
self._configured = False
# File/directory pattern expansion
self._expand_id = ''
self._expand_ext = ''
super().__init__()
if GS.global_output is not None and getattr(self, 'output', None):
setattr(self, 'output', GS.global_output)
if GS.global_variant is not None and hasattr(self, 'variant'):
setattr(self, 'variant', GS.global_variant)
@staticmethod
def _check_str(key, val, doc):
if not isinstance(val, str):
raise KiPlotConfigurationError("Option `{}` must be a string".format(key))
# If the docstring specifies the allowed values in the form [v1,v2...] enforce it
m = Optionable._str_values_re.search(doc)
if m:
vals = m.group(1).split(',')
if val not in vals:
raise KiPlotConfigurationError("Option `{}` must be any of {} not `{}`".format(key, vals, val))
@staticmethod
def _check_num(key, val, doc):
if not isinstance(val, (int, float)):
raise KiPlotConfigurationError("Option `{}` must be a number".format(key))
# If the docstring specifies a range in the form [from-to] enforce it
m = Optionable._num_range_re.search(doc)
if m:
min = float(m.group(1))
max = float(m.group(2))
if val < min or val > max:
raise KiPlotConfigurationError("Option `{}` outside its range [{},{}]".format(key, min, max))
@staticmethod
def _check_bool(key, val):
if not isinstance(val, bool):
raise KiPlotConfigurationError("Option `{}` must be true/false".format(key))
def get_doc(self, name):
try:
doc = getattr(self, '_help_'+name).strip()
except AttributeError:
return None, name, False
if doc[0] == '{':
alias = doc[1:-1]
return getattr(self, '_help_'+alias).strip(), alias, True
return doc, name, False
def add_to_doc(self, name, text):
doc = getattr(self, '_help_'+name).strip()
setattr(self, '_help_'+name, doc+'.\n'+text)
def set_doc(self, name, text):
setattr(self, '_help_'+name, text)
@staticmethod
def _typeof(v):
if isinstance(v, bool):
return 'boolean'
if isinstance(v, (int, float)):
return 'number'
if isinstance(v, str):
return 'string'
if isinstance(v, dict):
return 'dict'
if isinstance(v, list):
if len(v) == 0:
return 'list(string)'
return 'list({})'.format(Optionable._typeof(v[0]))
return 'None'
def _perform_config_mapping(self):
""" Map the options to class attributes """
attrs = self.get_attrs_for()
for k, v in self._tree.items():
# Map known attributes and avoid mapping private ones
if (k[0] == '_') or (k not in attrs):
if self._unkown_is_error:
raise KiPlotConfigurationError("Unknown {}option `{}`".format(self._error_context, k))
logger.warning(W_UNKOPS + "Unknown {}option `{}`".format(self._error_context, k))
continue
# Check the data type
cur_doc, alias, is_alias = self.get_doc(k)
cur_val = getattr(self, alias)
if isinstance(cur_val, bool):
Optionable._check_bool(k, v)
elif isinstance(cur_val, (int, float)):
Optionable._check_num(k, v, cur_doc)
elif isinstance(cur_val, str):
Optionable._check_str(k, v, cur_doc)
elif isinstance(cur_val, type):
# A class, so we need more information i.e. "[dict|string]"
if cur_doc[0] == '[':
# Separate the valid types for this key
valid = cur_doc[1:].split(']')[0].split('|')
# Remove the XXXX=Value
if '=' in valid[-1]:
valid[-1] = valid[-1].split('=')[0]
# Get the type used by the user as a string
v_type = Optionable._typeof(v)
if v_type not in valid:
# Not a valid type for this key
if v_type == 'None':
raise KiPlotConfigurationError("Empty option `{}`".format(k))
raise KiPlotConfigurationError("Option `{}` must be any of {} not `{}`".format(k, valid, v_type))
# We know the type matches, now apply validations
if isinstance(v, (int, float)) and not isinstance(v, bool):
# Note: booleans are also instance of int
# Not used yet
Optionable._check_num(k, v, cur_doc) # pragma: no cover (Internal)
elif isinstance(v, str):
Optionable._check_str(k, v, cur_doc)
elif isinstance(v, dict):
# Dicts are solved using Optionable classes
new_val = v
# Create an object for the valid class
v = cur_val()
# Delegate the validation to the object
v.set_tree(new_val)
v.config(self)
elif isinstance(v, list):
new_val = []
for element in v:
e_type = 'list('+Optionable._typeof(element)+')'
if e_type not in valid:
raise KiPlotConfigurationError("Option `{}` must be any of {} not `{}`".
format(element, valid, e_type))
if isinstance(element, dict):
nv = cur_val()
nv.set_tree(element)
nv.config(self)
new_val.append(nv)
else:
new_val.append(element)
v = new_val
# Seems to be ok, map it
setattr(self, alias if is_alias else k, v)
def set_tree(self, tree):
self._tree = tree
def config(self, parent):
self._parent = parent
if self._tree and not self._configured:
self._perform_config_mapping()
self._configured = True
def get_attrs_for(self):
""" Returns all attributes """
return dict(inspect.getmembers(self, filter))
def get_attrs_gen(self):
""" Returns a (key, val) iterator on public attributes """
attrs = self.get_attrs_for()
return ((k, v) for k, v in attrs.items() if k[0] != '_')
def _find_variant(self):
""" Returns the text to add for the current variant.
If no variant is defined an empty string is returned. """
if hasattr(self, 'variant') and self.variant and hasattr(self.variant, 'file_id'):
return self.variant.file_id
return ''
def expand_filename_pcb(self, name):
""" Expands %* values in filenames.
Uses data from the PCB. """
if GS.board:
GS.load_pcb_title_block()
# Do the replacements
name = name.replace('%c', GS.pcb_comp)
name = name.replace('%d', GS.pcb_date)
name = name.replace('%D', GS.today)
name = name.replace('%F', GS.pcb_no_ext)
name = name.replace('%f', GS.pcb_basename)
name = name.replace('%i', self._expand_id)
name = name.replace('%p', GS.pcb_title)
name = name.replace('%r', GS.pcb_rev)
name = name.replace('%T', GS.time)
name = name.replace('%v', self._find_variant() if self else '')
name = name.replace('%x', self._expand_ext)
# sanitize the name to avoid characters illegal in file systems
name = name.replace('\\', '/')
name = re.sub(r'[?%*:|"<>]', '_', name)
return name
def expand_filename_sch(self, name):
""" Expands %* values in filenames.
Uses data from the SCH. """
if GS.sch_file:
GS.load_sch_title_block()
# Do the replacements
name = name.replace('%c', GS.sch_comp)
name = name.replace('%d', GS.sch_date)
name = name.replace('%D', GS.today)
name = name.replace('%F', GS.sch_no_ext)
name = name.replace('%f', GS.sch_basename)
name = name.replace('%i', self._expand_id)
name = name.replace('%p', GS.sch_title)
name = name.replace('%r', GS.sch_rev)
name = name.replace('%T', GS.time)
name = name.replace('%v', self._find_variant() if self else '')
name = name.replace('%x', self._expand_ext)
# sanitize the name to avoid characters illegal in file systems
name = name.replace('\\', '/')
name = re.sub(r'[?%*:|"<>]', '_', name)
return name
@staticmethod
def force_list(val):
""" Used for values that accept a string or a list of strings.
The string can be a comma separated list """
if isinstance(val, type):
# Not used
val = []
elif isinstance(val, str):
# A string
if val:
val = [v.strip() for v in val.split(',')]
else:
# Empty string
val = []
return val
@classmethod
def get_default(cls):
return cls._default
class BaseOptions(Optionable):
""" A class to validate and hold output options.
Is configured from a dict and the collected values are stored in its attributes. """
def __init__(self):
super().__init__()
def read_vals_from_po(self, po):
""" Set attributes from a PCB_PLOT_PARAMS (plot options) """
return
def expand_filename(self, dir, name, id, ext):
cur_id = self._expand_id
cur_ext = self._expand_ext
self._expand_id = id
self._expand_ext = ext
if self._parent._sch_related:
name = self.expand_filename_sch(name)
else:
name = self.expand_filename_pcb(name)
res = os.path.abspath(os.path.join(dir, name))
self._expand_id = cur_id
self._expand_ext = cur_ext
return res