Trysdyn Black
14ec718890
- Shove all the logic in a class - Allow for `cleanup_SECTION` functions, one that returns true will delete the calling section in post-run - Get rid of that awful awful `globals()` call, which was the main motivation of this - Document the new methods This should result in a horrifying diff that claims 98% of the file has changed but no actual change in logic or output.
375 lines
14 KiB
Python
375 lines
14 KiB
Python
#!/usr/bin/env python3
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"""Parse BCEX (or BCCE) logs into json objects."""
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__version__ = "0.4.1"
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__author__ = "Trysdyn Black"
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import json
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import sys
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from pathlib import Path
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class Parser:
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"""BCEX/BCCE spoiler logfile parser."""
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def __init__(self, filename: str) -> None:
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"""Initialize parser with filename."""
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self.filename = filename
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self.config_sections = {}
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self.data_sections = {}
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@staticmethod
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def parse_MONSTERS(data: str) -> dict[str, dict]: # noqa: C901, PLR0912
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"""
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Parse the MONSTERS section.
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This contains data on monsters including stat sheets, loot, and weaknesses.
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"""
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result = {}
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for m_text in data.split("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"):
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info = {}
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info["stats"] = {}
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info["spells"] = {}
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name = "NULL"
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for line in m_text.split("\n"):
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# Name and level
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if "(Level " in line:
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name = line.split(" (")[0]
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info["stats"]["level"] = int(line.split("(Level ")[1][:-1])
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# Stat chart rows
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elif line.startswith("|"):
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for stat in line[1:-1].split("|"):
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if ":" in stat:
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stat_name, stat_value = stat.split(":")
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stat_name = stat_name.replace(".", "").strip().lower()
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info["stats"][stat_name] = int(stat_value)
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# Nullifies AND weaks, split by a ;
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elif line.startswith("NULLIFY:"):
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# If no weaknesses, WEAK section just doesn't appear, fudge it
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if "WEAK:" in line:
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null_text, weak_text = line.split(";")
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else:
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null_text = line
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weak_text = "WEAK: "
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info["nullifies"] = null_text.split(": ")[1].split(", ")
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info["weak"] = weak_text.split(": ")[1].split(", ")
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# Specials are name=>desc as k:v
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# I *think* you can only have one special...
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elif line.startswith("SPECIAL"):
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content = line.split(" ", 1)[1]
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if len(content) > 1:
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special_name = content.split('"')[1]
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special_desc = content.split(": ")[1]
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info["special"] = {special_name: special_desc}
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else:
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info["special"] = {}
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# Everything else is a simple k: v list where v is comma-delimited
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else:
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for k in ["immune", "auto", "skills", "steal", "drops", "location"]:
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str_match = f"{k.upper()}:"
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if line.startswith(str_match):
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info[k] = line.split(": ")[1].split(", ") if line.upper().strip() != str_match else []
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break
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if name != "NULL":
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result[name] = info
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return result
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@staticmethod
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def parse_REMONSTERATE(data: str) -> dict[str, dict]:
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"""
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Parse the BCCE-only REMONSTERATE section.
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This contains a mapping of monster sprites: what they were and what they
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turned into post-alteration.
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"""
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result = {}
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for line in data.split("\n"):
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if not line or line.startswith("-----"):
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continue
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name = line.split("(")[0].strip()
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originally = line.split("(", 1)[1].split(")")[0].strip()
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sprite = line.split("->")[1].strip().strip(".")
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result[name] = {"originally": originally, "sprite": sprite}
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return result
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@staticmethod
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def parse_CHARACTERS(data: str) -> dict[str, dict]: # noqa: C901
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"""
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Parse the CHARACTERS section.
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This differs based on BCEX vs BCCE. In both flavors it contains basic data
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like name, spells, location and special abilities. In BCEX it includes
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stats as well. In BCCE stats is its own section.
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Regardless of flavor, core logic will snap stats back into this section
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later.
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"""
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replacements = {
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"Looks like": "looks",
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"World of Ruin location": "wor_location",
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"Notable equipment": "equipment",
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}
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result = {}
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for c_data in data.split("\n\n")[1:-1]:
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info = {"stats": {}, "spells": {}, "natural_magic": False}
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name = "NULL"
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for line in c_data.split("\n"):
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# Name
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if line[0:2].isdigit():
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name = line[4:]
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# Stat chart rows: BCEX Version only
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elif line.startswith("|"):
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for stat in line[1:-1].split("|"):
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if ":" in stat:
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stat_name, stat_value = stat.split(":")
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stat_name = stat_name.replace(".", "").strip().lower()
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info["stats"][stat_name] = int(stat_value)
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# Spell learnset rows
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elif line.startswith(" LV"):
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spell_level, spell_name = line.split("-", 1)
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info["spells"][spell_name.strip()] = int(spell_level.strip().split(" ")[1])
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# Command list
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# Commands: is just a CSV list of things like "fight" "magic" etc. However if command
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# randomization is on, these will be exotic things like "KitMerton" that need additional
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# info provided from the COMMANDS section later.
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# As such, we begin with a dehydrated hash of command_name=None, then the COMMANDS section
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# will provide hydration data for the values.
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elif line.startswith("Commands:"):
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info["commands"] = {command.strip(): None for command in line.split(":")[1].split(",")}
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elif line.startswith("Notable"):
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info["equipment"] = [eq.strip() for eq in line.split(":")[1].split(",")]
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# Special bare strings
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elif line.startswith("Has natural"):
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info["natural_magic"] = True
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# Everything else: normal k=v colon strings
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elif ":" in line:
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field, value = line.split(":", 1)
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if field in replacements:
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field = replacements[field]
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field = field.lower()
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info[field] = value.strip()
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result[name] = info
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return result
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@staticmethod
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def parse_STATS(data: str) -> dict[str, dict]:
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"""
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Parse the BCCE-only STATS section.
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BCCE splits character stats into its own section. We use largely the same
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logic as CHARACTERS here to parse it, then return it as its own dict for
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merging back into the CHARACTERS blob later.
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"""
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result = {}
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# This is pretty identical to CHARACTERS
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# Each character has a blank line between them
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# Most everything else is k : v
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for c_text in data.split("\n\n"):
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name = "NULL"
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c_data = {}
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for line in c_text.split("\n"):
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# Character name
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if line[0:2].isdigit():
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name = line[4:]
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# Should be nothing, but let's be safe
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elif ":" not in line:
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pass
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# A stat we can just save k : v
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else:
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stat, value = line.split(":")
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c_data[stat] = int(value)
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if name != "NULL":
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result[name] = c_data
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return result
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@staticmethod
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def parse_COMMANDS(data: str) -> dict[str, dict]:
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"""
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Parse the COMMANDS section.
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This contains information on special commands, expanding contracted command
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names into more detailed explanations like GranSaw = Grand Train + Chainsaw.
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"""
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commands = {}
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# We split by ------ which divides the command name from its data
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# As a result we have to pull the last line from each block and remember
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# it as the name of the command in the next block. Blorf :)
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next_command_name = None
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for c_data in data.split("\n-------\n"):
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c_data_lines = [c_data_line.strip() for c_data_line in c_data.split("\n")]
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if "" in c_data_lines:
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c_data_lines.remove("")
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if next_command_name:
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command_string = "; ".join(c_data_lines[:-1])
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# Clip trailing junk from inconsistent spoiler log generation
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# as well as the join above
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if command_string.endswith("; "):
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command_string = command_string[:-2]
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if command_string.endswith("."):
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command_string = command_string[:-1]
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# Clean up a couple of clumsy string cases from the join above
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command_string = command_string.replace(".; ", ": ")
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command_string = command_string.replace(" ", " ")
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command_string = command_string.replace(":;", ":")
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# Commit the command to the dict
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commands[next_command_name] = command_string
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next_command_name = c_data_lines[-1].lower()
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return commands
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@staticmethod
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def parse_SEED(data: str) -> dict[str, bool | str]:
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"""
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Parse the injected SEED section.
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This is a fake section injected by the loader code. It contains nothing
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but the seed code and we derive from this if the randomizer is BCCE or
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BCEX, and try to pluck out other data.
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We can't do much because the format is really hard to reverse.
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"""
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version, mode, flags, seed_num = data.split("|") if "|" in data else data.split(".")
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return {
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"version": version,
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"flags": flags,
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"seed_num": seed_num,
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"mode": mode,
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"is_bcce": data.startswith("CE"),
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"seed": data,
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}
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@staticmethod
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def parse_SECRET_ITEMS(data: str) -> list[str]:
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"""
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Parse the BCCE-only SECRET ITEMS section.
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I'm unsure what this is for. It's a series of strings with no real obvious
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significance, so we just return it as a list.
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"""
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# I have no idea what this is lol, dump it to a list for now
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return [line for line in data.split("\n") if not line.startswith("---")]
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@staticmethod
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def cleanup_STATS(data: dict) -> bool:
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"""
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Fold BCCE-only STATS section back into CHARACTERS data.
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This returns BCCE logs back to how they were laid out in BCEX: where stat blocks
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were simply part of the CHARACTERS data.
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The BCCE STATS section keys on character slot (Terra, Locke, etc) and not the
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new randomized character name, so some hunting has to happen here.
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"""
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for slot, stats in data.get("STATS", {}).items():
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for c_data in data.get("CHARACTERS", {}).values():
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if c_data["originally"].lower() == slot.lower():
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c_data["stats"] = stats
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return True
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@staticmethod
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def cleanup_COMMANDS(data: dict) -> bool:
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"""Fold COMMANDS expanded descriptions into CHARACTERS command data."""
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# If our COMMANDS section is missing or somehow missing a given command, we just
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# repeat the command's name as its description. This should only be simple things
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# like "fight" and "magic" unless something goes wrong.
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command_info = data.get("COMMANDS", {})
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for c_data in data.get("CHARACTERS", {}).values():
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for command in c_data.get("commands", {}):
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c_data["commands"][command] = command_info.get(command, command)
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return False
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@staticmethod
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def cleanup_REMONSTERATE(data: dict) -> bool:
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"""Fold REMONSTERATE section into MONSTERS section data."""
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for name, info in data.get("REMONSTERATE", {}).items():
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for m_name, m_info in data.get("MONSTERS", {}).items():
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if name == m_name:
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m_info["originally"] = info["originally"]
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m_info["sprite"] = info["sprite"]
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return True
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def get_sections(self, data: str) -> dict[str, str]:
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"""Split logfile text and return a dict of sections for parsing."""
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tok_data = data.split("============================================================\n")
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sections = {}
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top_section = True
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for s in tok_data:
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# The top section needs special handling and contains only seed code
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if top_section:
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sections["SEED"] = s.split("\n", 1)[0][12:]
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top_section = False
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continue
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# Everything else we just dump into named sections for now
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section_header, section_data = s.split("\n", 1)
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sections[section_header[5:]] = section_data
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self.config_sections = sections
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return sections
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def parse(self) -> dict:
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"""Fully parse the logfile and return the full data object."""
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# Get individual sections to work on
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with Path(self.filename).open(encoding="utf-8") as infile:
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sections = self.get_sections(infile.read())
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data = {}
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# For each section attempt to run a parser function for it
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for k, v in sections.items():
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section_func = f"parse_{k.replace(' ', '_')}"
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if hasattr(self, section_func):
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data[k] = getattr(self, section_func)(v)
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# Do post-parse cleanup. We need all sections parsed to do these
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# Any cleanup function that returns true has its respective section deleted
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section_dels = set()
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for k in data:
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section_func = f"cleanup_{k.replace(' ', '_')}"
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if hasattr(self, section_func) and getattr(self, section_func)(data):
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section_dels.add(k)
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# Any section cleanup that returns true means delete that section
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for k in section_dels:
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if k in data:
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del data[k]
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self.data_sections = data
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return data
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if __name__ == "__main__":
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p = Parser(sys.argv[1])
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data = p.parse()
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# Barf this pile of trash out
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print(json.dumps(data))
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