Files
stepanalyser/.venv/lib/python3.12/site-packages/ezdxf/_options.py
Christian Anetzberger a197de9456 initial
2026-01-22 20:23:51 +01:00

336 lines
10 KiB
Python

# Copyright (c) 2011-2023, Manfred Moitzi
# License: MIT License
from __future__ import annotations
from typing import TextIO, Sequence
import os
import sys
from pathlib import Path
from configparser import ConfigParser
# Recommended uses of the global object "options":
# import ezdxf
# value = ezdxf.options.<attribute>
#
# alternative:
# from ezdxf._options import options
TRUE_STATE = {"True", "true", "On", "on", "1"}
CORE = "core"
BROWSE_COMMAND = "browse-command"
VIEW_COMMAND = "view-command"
DRAW_COMMAND = "draw-command"
EZDXF_INI = "ezdxf.ini"
EZDXF = "ezdxf"
XDG_CONFIG_HOME = "XDG_CONFIG_HOME"
CONFIG_DIRECTORY = ".config"
ODAFC_ADDON = "odafc-addon"
OPENSCAD_ADDON = "openscad-addon"
DRAWING_ADDON = "drawing-addon"
DIR_SEPARATOR = "\n"
def xdg_path(xdg_var: str, directory: str) -> Path:
xdg_home = os.environ.get(xdg_var)
if xdg_home:
# should default to $HOME/<directory> e.g. $HOME/.config
home = Path(xdg_home).expanduser()
else:
# replicate structure
home = Path("~").expanduser() / directory
return home / EZDXF
def config_home_path() -> Path:
return xdg_path(XDG_CONFIG_HOME, CONFIG_DIRECTORY)
def default_config_files() -> list[Path]:
config_paths = [
config_home_path() / EZDXF_INI,
Path(f"./{EZDXF_INI}"),
]
return config_paths
def default_config() -> ConfigParser:
config = ConfigParser()
config[CORE] = {
"DEFAULT_DIMENSION_TEXT_STYLE": "OpenSansCondensed-Light",
"TEST_FILES": "",
"SUPPORT_DIRS": "",
"LOAD_PROXY_GRAPHICS": "true",
"STORE_PROXY_GRAPHICS": "true",
"LOG_UNPROCESSED_TAGS": "false",
"FILTER_INVALID_XDATA_GROUP_CODES": "true",
"WRITE_FIXED_META_DATA_FOR_TESTING": "false",
"DISABLE_C_EXT": "false",
}
config[BROWSE_COMMAND] = {
"TEXT_EDITOR": r'"C:\Program Files\Notepad++\notepad++.exe" '
r'"{filename}" -n{num}',
"ICON_SIZE": "32",
}
config[ODAFC_ADDON] = {
"WIN_EXEC_PATH": r'"C:\Program Files\ODA\ODAFileConverter\ODAFileConverter.exe"',
"UNIX_EXEC_PATH": "",
}
config[OPENSCAD_ADDON] = {
"WIN_EXEC_PATH": r'"C:\Program Files\OpenSCAD\openscad.exe"'
}
config[DRAWING_ADDON] = {
# These options are just for testing scenarios!
"TRY_PYSIDE6": "true",
"TRY_PYQT5": "true",
# Order for resolving SHX fonts: 1. "t"=TrueType; 2. "s"=SHX; 3. "l"=LFF
"SHX_RESOLVE_ORDER": "tsl",
}
return config
def config_files() -> list[Path]:
# Loading order for config files:
# 1. user home directory:
# "$XDG_CONFIG_HOME/ezdxf/ezdxf.ini" or
# "~/.config/ezdxf/ezdxf.ini"
# 2. current working directory "./ezdxf.ini"
# 3. config file specified by EZDXF_CONFIG_FILE
paths = default_config_files()
env_cfg = os.getenv("EZDXF_CONFIG_FILE", "")
if env_cfg:
paths.append(Path(env_cfg))
return paths
def load_config_files(paths: list[Path]) -> ConfigParser:
config = default_config()
try:
config.read(paths, encoding="utf8")
except UnicodeDecodeError as e:
print(str(e))
print(f"Paths: {paths}")
print("Maybe a file with UTF16 LE-BOM encoding. (Powershell!!!)")
exit(1)
# environment variables override config files
for name, env_name in [
("TEST_FILES", "EZDXF_TEST_FILES"),
("DISABLE_C_EXT", "EZDXF_DISABLE_C_EXT"),
]:
value = os.environ.get(env_name, "")
if value:
config[CORE][name] = value
return config
def boolstr(value: bool) -> str:
return str(value).lower()
class Options:
CORE = CORE
BROWSE_COMMAND = BROWSE_COMMAND
VIEW_COMMAND = VIEW_COMMAND
DRAW_COMMAND = DRAW_COMMAND
CONFIG_VARS = [
"EZDXF_DISABLE_C_EXT",
"EZDXF_TEST_FILES",
"EZDXF_CONFIG_FILE",
]
def __init__(self) -> None:
paths = config_files()
self._loaded_paths: list[Path] = [p for p in paths if p.exists()]
self._config = load_config_files(paths)
# needs fast access:
self.log_unprocessed_tags = True
# Activate/deactivate Matplotlib support (e.g. for testing)
self._use_c_ext = False # set ezdxf.acc.__init__!
self.debug = False
self.update_cached_options()
def set(self, section: str, key: str, value: str) -> None:
self._config.set(section, key, value)
def get(self, section: str, key: str, default: str = "") -> str:
return self._config.get(section, key, fallback=default)
def get_bool(self, section: str, key: str, default: bool = False) -> bool:
return self._config.getboolean(section, key, fallback=default)
def get_int(self, section: str, key: str, default: int = 0) -> int:
return self._config.getint(section, key, fallback=default)
def get_float(self, section: str, key: str, default: float = 0.0) -> float:
return self._config.getfloat(section, key, fallback=default)
def update_cached_options(self) -> None:
self.log_unprocessed_tags = self.get_bool(
Options.CORE, "LOG_UNPROCESSED_TAGS", default=True
)
def rewrite_cached_options(self):
# rewrite cached options
self._config.set(
Options.CORE,
"LOG_UNPROCESSED_TAGS",
boolstr(self.log_unprocessed_tags),
)
@property
def loaded_config_files(self) -> tuple[Path, ...]:
return tuple(self._loaded_paths)
def read_file(self, filename: str) -> None:
"""Append content from config file `filename`, but does not reset the
configuration.
"""
try:
self._config.read(filename)
except IOError as e:
print(str(e))
else:
self._loaded_paths.append(Path(filename))
self.update_cached_options()
def write(self, fp: TextIO) -> None:
"""Write current configuration into given file object, the file object
must be a writeable text file with 'utf8' encoding.
"""
self.rewrite_cached_options()
try:
self._config.write(fp)
except IOError as e:
print(str(e))
def write_file(self, filename: str = EZDXF_INI) -> None:
"""Write current configuration into file `filename`."""
with open(os.path.expanduser(filename), "wt", encoding="utf8") as fp:
self.write(fp)
@property
def filter_invalid_xdata_group_codes(self) -> bool:
return self.get_bool(CORE, "FILTER_INVALID_XDATA_GROUP_CODES", default=True)
@property
def default_dimension_text_style(self) -> str:
return self.get(
CORE,
"DEFAULT_DIMENSION_TEXT_STYLE",
default="OpenSansCondensed-Light",
)
@default_dimension_text_style.setter
def default_dimension_text_style(self, style: str) -> None:
self.set(
CORE,
"DEFAULT_DIMENSION_TEXT_STYLE",
style,
)
@property
def support_dirs(self) -> list[str]:
return [d for d in self.get(CORE, "SUPPORT_DIRS", "").split(DIR_SEPARATOR) if d]
@support_dirs.setter
def support_dirs(self, support_dirs: Sequence[str]) -> None:
self.set(CORE, "SUPPORT_DIRS", DIR_SEPARATOR.join(support_dirs))
@property
def test_files(self) -> str:
return os.path.expanduser(self.get(CORE, "TEST_FILES"))
@property
def test_files_path(self) -> Path:
return Path(self.test_files)
@property
def load_proxy_graphics(self) -> bool:
return self.get_bool(CORE, "LOAD_PROXY_GRAPHICS", default=True)
@load_proxy_graphics.setter
def load_proxy_graphics(self, value: bool) -> None:
self.set(CORE, "LOAD_PROXY_GRAPHICS", boolstr(value))
@property
def store_proxy_graphics(self) -> bool:
return self.get_bool(CORE, "STORE_PROXY_GRAPHICS", default=True)
@store_proxy_graphics.setter
def store_proxy_graphics(self, value: bool) -> None:
self.set(CORE, "STORE_PROXY_GRAPHICS", boolstr(value))
@property
def write_fixed_meta_data_for_testing(self) -> bool:
# Enable this option to always create same meta data for testing
# scenarios, e.g. to use a diff like tool to compare DXF documents.
return self.get_bool(CORE, "WRITE_FIXED_META_DATA_FOR_TESTING", default=False)
@write_fixed_meta_data_for_testing.setter
def write_fixed_meta_data_for_testing(self, state: bool) -> None:
self.set(CORE, "write_fixed_meta_data_for_testing", boolstr(state))
@property
def disable_c_ext(self) -> bool:
"""Disable C-extensions if ``True``."""
return self.get_bool(CORE, "DISABLE_C_EXT", default=False)
@property
def use_c_ext(self) -> bool:
"""Returns ``True`` if the C-extensions are in use."""
return self._use_c_ext
def preserve_proxy_graphics(self, state: bool = True) -> None:
"""Enable/disable proxy graphic load/store support."""
value = boolstr(state)
self.set(CORE, "LOAD_PROXY_GRAPHICS", value)
self.set(CORE, "STORE_PROXY_GRAPHICS", value)
def print(self):
"""Print current configuration to `stdout`."""
self._config.write(sys.stdout)
def write_home_config(self):
"""Write current configuration into file "~/.config/ezdxf/ezdxf.ini" or
"XDG_CONFIG_HOME/ezdxf/ezdxf.ini".
"""
home_path = config_home_path()
if not home_path.exists():
try:
home_path.mkdir(parents=True)
except IOError as e:
print(str(e))
return
filename = str(home_path / EZDXF_INI)
try:
self.write_file(filename)
except IOError as e:
print(str(e))
else:
print(f"created config file: '{filename}'")
def reset(self):
self._loaded_paths = []
self._config = default_config()
self.update_cached_options()
@staticmethod
def delete_default_config_files():
for file in default_config_files():
if file.exists():
try:
file.unlink()
print(f"deleted config file: '{file}'")
except IOError as e:
print(str(e))
@staticmethod
def xdg_path(xdg_var: str, directory: str) -> Path:
return xdg_path(xdg_var, directory)
# Global Options
options = Options()