First version of explain. Creating a new parser was a wrong approach. Need to reimplement

This commit is contained in:
2020-04-17 17:24:57 +02:00
parent 6c7c529016
commit d6ea2461a8
43 changed files with 2679 additions and 162 deletions
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import copy
from dataclasses import dataclass
from enum import Enum
from typing import Dict
from core.concept import Concept
from core.utils import get_full_qualified_name
from parsers.ExpressionParser import ExprNode
class FormatDetailType(Enum):
Props_In_Line = "in line" # the properties are listed line by line
Props_In_Column = "in column" # the properties are listed row by row
@dataclass
class FormatDetailDesc:
"""
class that describes how to print the details
"""
predicate: ExprNode # the detail will be printed if the predicate is matched
format_type: FormatDetailType
properties: Dict[str, str] # name of the property, format to use
class FormatInstructions:
def __init__(self, tab_indent=None, tab=None, no_color=None):
self._tab_indent = 2
self._tab = ""
self._no_color = False
self.recursive_props = {} # which property that does in recursion and what depth
self.format_l = {} # what format to use when printing obj line by line
self.format_d = [] # list of FormatDetailDesc
# keep track of the modifications
self.modified = set()
self.recursive_props_modified = set()
self.format_l_modified = set()
if tab_indent is not None:
self.tab_indent = tab_indent
if tab:
self.tab = tab
if no_color:
self.no_color = no_color
@property
def tab(self):
return self._tab
@tab.setter
def tab(self, value):
self._tab = value
self.modified.add("tab")
@property
def tab_indent(self):
return self._tab_indent
@tab_indent.setter
def tab_indent(self, value):
self._tab_indent = value
self.modified.add("tab_indent")
@property
def no_color(self):
return self._no_color
@no_color.setter
def no_color(self, value):
self._no_color = value
self.modified.add("no_color")
def set_recurse(self, prop_name, depth):
self.recursive_props[prop_name] = depth
self.recursive_props_modified.add(prop_name)
return self
def recurse(self, property_name):
clone = self.clone()
clone.tab = self.tab + (" " * self.tab_indent)
clone.recursive_props[property_name] -= 1
return clone
def set_format_l(self, obj, template):
key = self.get_obj_key(obj)
self.format_l[key] = template
self.format_l_modified.add(key)
return self
def add_format_d(self, predicate, properties, format_type=FormatDetailType.Props_In_Line):
if isinstance(properties, list):
properties = dict((p, "{" + p + " }") for p in properties)
self.format_d.append(FormatDetailDesc(predicate, format_type, properties))
return self
def clone(self):
clone = copy.deepcopy(self)
return clone
def merge(self, other):
for prop in other.modified:
setattr(self, prop, getattr(other, prop))
for prop in other.recursive_props_modified:
self.set_recurse(prop, other.recursive_props[prop])
for key in other.format_l_modified:
self.set_format_l(key, other.format_l[key])
self.format_d.extend(other.format_d)
return self
@staticmethod
def get_obj_key(obj):
return obj.id if isinstance(obj, Concept) else \
obj if isinstance(obj, str) else \
get_full_qualified_name(obj)
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from printer.FormatInstructions import FormatDetailDesc, FormatDetailType, FormatInstructions
class Formatter:
def __init__(self):
self.custom_l_formats = {}
self.custom_d_formats = []
def register_format_l(self, obj, template):
key = FormatInstructions.get_obj_key(obj)
self.custom_l_formats[key] = template
return self
def register_format_d(self, predicate, properties, format_type=FormatDetailType.Props_In_Line):
if isinstance(properties, list):
properties = dict([(p, "{" + p + "}") for p in properties])
self.custom_d_formats.append(FormatDetailDesc(predicate, format_type, properties))
return self
def compute_format_l(self, custom_formats_override, key):
if custom_formats_override and key in custom_formats_override:
custom_template = custom_formats_override[key]
if custom_template in ("+", "\\+", "+\\"):
return custom_template
elif custom_template.startswith("+"):
registered_template = self.custom_l_formats[key] if key in self.custom_l_formats else ""
return registered_template + custom_template[1:]
elif custom_template.startswith("\\+"):
return custom_template[1:]
elif custom_template.endswith("\\+"):
return custom_template[:-2] + "+"
elif custom_template.endswith("+"):
registered_template = self.custom_l_formats[key] if key in self.custom_l_formats else ""
return custom_template[:-1] + registered_template
else:
return custom_template
elif key in self.custom_l_formats:
return self.custom_l_formats[key]
else:
return None
def compute_format_d(self, custom_formats_override):
if custom_formats_override and not self.custom_d_formats:
return custom_formats_override
if self.custom_d_formats and not custom_formats_override:
return self.custom_d_formats
if self.custom_d_formats and custom_formats_override:
return self.custom_d_formats + custom_formats_override
return []
def format_l(self, obj, custom_formats_override=None):
key = FormatInstructions.get_obj_key(obj)
format_l = self.compute_format_l(custom_formats_override, key)
return self.to_string(obj, format_l) if format_l else str(obj)
def format_d(self, obj, format_d_desc: FormatDetailDesc):
max_prop_length = self.get_properties_max_length(format_d_desc.properties.keys())
res = ""
for prop, template in format_d_desc.properties.items():
if res:
res += "\n"
#value = getattr(obj, prop) if hasattr(obj, prop) else "*Undefined*"
res += prop.ljust(max_prop_length) + ": " + self.to_string(obj, template)
return res
@staticmethod
def get_properties_max_length(properties):
return max((len(p) for p in properties))
@staticmethod
def to_string(obj, template):
try:
bag = obj.to_bag() if hasattr(obj, "to_bag") else obj.__dict__
return template.format(**bag)
except KeyError:
return "*Undefined*"
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from core.builtin_concepts import BuiltinConcepts
from core.concept import Concept
from printer.FormatInstructions import FormatInstructions, FormatDetailType
from printer.Formatter import Formatter
COLORS = {
"reset": "\u001b[0m",
"black": "\u001b[30m",
"red": "\u001b[31m",
"green": "\u001b[32m",
"yellow": "\u001b[33m",
"blue": "\u001b[34m",
"magenta": "\u001b[35m",
"cyan": "\u001b[36m",
"white": "\u001b[37m",
}
EXECUTION_CONTEXT_CLASS = "core.sheerka.ExecutionContext.ExecutionContext"
class SheerkaPrinter:
"""
Class use to format the output
"""
out = print
def __init__(self, sheerka):
self.sheerka = sheerka
self.formatter = Formatter()
self.formatter.register_format_l(EXECUTION_CONTEXT_CLASS, "[{id:3}] %tab%{desc} ({status})")
self.custom_concepts_printers = {
str(BuiltinConcepts.EXPLANATION): self.print_explanation,
str(BuiltinConcepts.RETURN_VALUE): self.print_return_value,
}
def register_custom_printer(self, concept, custom_format):
key = concept.key if isinstance(concept, Concept) else concept
self.custom_concepts_printers[str(key)] = custom_format
return self
def register_format_l(self, obj, template):
self.formatter.register_format_l(obj, template)
def register_format_d(self, predicate, properties, format_type=FormatDetailType.Props_In_Line):
self.formatter.register_format_d(predicate, properties, format_type)
def print(self, to_print, instructions=None):
instructions = instructions or FormatInstructions()
self.fp(instructions, to_print)
def fp(self, instructions, item):
"""
fp stands for format and print
:param instructions:
:param item:
:return:
"""
if isinstance(item, (list, tuple)):
for i in item:
self.fp(instructions, i)
return
elif isinstance(item, str):
for color in COLORS:
item = item.replace("%" + color + "%", "" if instructions.no_color else COLORS[color])
if "%tab%" in item:
self.out(item.replace("%tab%", instructions.tab))
else:
self.out(instructions.tab + item)
return
elif isinstance(item, Concept) and item.key in self.custom_concepts_printers:
self.custom_concepts_printers[item.key](self, instructions, item)
else:
self.fp(instructions, self.formatter.format_l(item, instructions.format_l))
# print details
format_d = self.formatter.compute_format_d(instructions.format_d)
for format_d_desc in reversed(format_d):
if format_d_desc.predicate.eval(item):
self.fp(instructions, self.formatter.format_d(item, format_d_desc))
break
if instructions.recursive_props:
for k, v in instructions.recursive_props.items():
if hasattr(item, k) and v > 0 and (value := getattr(item, k)) is not None:
self.fp(instructions.recurse(k), value)
@staticmethod
def print_explanation(printer, instructions, item):
explanation_instructions = instructions.clone().merge(item.instructions)
printer.fp(explanation_instructions, f"%blue%{item.digest}%reset% : {item.command}")
printer.fp(explanation_instructions, item.body)
@staticmethod
def print_return_value(printer, instructions, item):
if printer.sheerka.isinstance(item.body, BuiltinConcepts.EXPLANATION):
return printer.fp(instructions, item.body)
if isinstance(item.body, (list, tuple)):
return printer.fp(instructions, item.body)
status = item.status
return printer.fp(instructions, str(item) if status else f"%red%{item}%reset%")
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