96 lines
3.2 KiB
Python

import sys
import argparse
from pathlib import Path
from pydoc import pager
from ..configuration import Config
from ..glossary import Glossary
class GlossaryCmdError(Exception):
pass
def print_paged(text: str) -> None:
pager(text)
def get_glossary_file_path(name: str, config: Config) -> Path:
"""
Get the complete filename for a glossary with the given path.
"""
if not config.glossaries:
raise GlossaryCmdError("Can't create glossary name without a glossary directory")
return Path(config.glossaries, name).with_suffix(Glossary.file_suffix).absolute()
def list_glossaries(args: argparse.Namespace, config: Config) -> None:
"""
List existing glossaries in the 'glossaries' directory.
"""
if not config.glossaries:
raise GlossaryCmdError("Glossaries directory missing in the configuration file")
glossaries = Path(config.glossaries).glob(f'*{Glossary.file_suffix}')
for glo in sorted(glossaries):
print(Glossary.from_file(glo).to_str())
def print_glossary(args: argparse.Namespace, config: Config) -> None:
"""
Print an existing glossary.
"""
# sanity checks
if args.name is None:
raise GlossaryCmdError("Missing glossary name")
if config.glossaries is None and args.file is None:
raise GlossaryCmdError("Glossaries directory missing in the configuration file")
# create file path or use the given one
glo_file = Path(args.file) if args.file else get_glossary_file_path(args.name, config)
if not glo_file.exists():
raise GlossaryCmdError(f"Glossary '{glo_file}' does not exist")
# read glossary
glo = Glossary.from_file(glo_file)
print_paged(glo.to_str(with_entries=True))
def create_glossary(args: argparse.Namespace, config: Config) -> None:
"""
Create a new glossary and write it either to the glossaries directory
or the given file.
"""
# sanity checks
if args.name is None:
raise GlossaryCmdError("Missing glossary name")
if args.source_lang is None:
raise GlossaryCmdError("Missing source language")
if args.target_lang is None:
raise GlossaryCmdError("Missing target language")
if config.glossaries is None and args.file is None:
raise GlossaryCmdError("Glossaries directory missing in the configuration file")
# create file path or use the given one
glo_file = Path(args.file) if args.file else get_glossary_file_path(args.name, config)
if glo_file.exists():
raise GlossaryCmdError(f"Glossary '{glo_file}' already exists")
glo = Glossary(name=args.name,
source_lang=args.source_lang,
target_lang=args.target_lang,
desc=args.description,
file_path=glo_file)
glo.to_file()
print(f"Successfully created new glossary '{glo_file}'.")
def glossary_cmd(args: argparse.Namespace, config: Config) -> None:
"""
Handler for the 'glossary' command.
"""
try:
if args.create:
create_glossary(args, config)
elif args.list:
list_glossaries(args, config)
elif args.print:
print_glossary(args, config)
except GlossaryCmdError as err:
print(f"Error: {err}")
sys.exit(1)