#
# @BEGIN LICENSE
#
# Psi4: an open-source quantum chemistry software package
#
# Copyright (c) 2007-2022 The Psi4 Developers.
#
# The copyrights for code used from other parties are included in
# the corresponding files.
#
# This file is part of Psi4.
#
# Psi4 is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, version 3.
#
# Psi4 is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with Psi4; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# @END LICENSE
#
__all__ = [
"create_plugin",
"sanitize_name",
]
import os
import sys
from pathlib import Path
from psi4 import core
from psi4.driver.util import tty
[docs]def sanitize_name(name: str) -> str:
"""Function to return *name* in coded form, stripped of
characters that confuse filenames, characters into lowercase,
``+`` into ``p``, ``*`` into ``s``, and ``(``, ``)``, ``-``,
& ``,`` into ``_``.
Also checks the sanitized name against a list of restricted C++ keywords.
"""
if name[0].isalpha():
temp = name.lower()
temp = temp.replace('+', 'p')
temp = temp.replace('*', 's')
temp = temp.replace('(', '_')
temp = temp.replace(')', '_')
temp = temp.replace(',', '_')
temp = temp.replace('-', '_')
# Taken from http://en.cppreference.com/w/cpp/keyword
cpp_keywords = [
"alignas", "alignof", "and", "and_eq", "asm", "atomic_cancel",
"atomic_commit", "atomic_noexcept", "auto", "bitand", "bitor",
"bool", "break", "case", "catch", "char", "char16_t", "char32_t",
"class", "compl", "concept", "const", "constexpr", "const_cast",
"continue", "decltype", "default", "delete", "do", "double",
"dynamic_cast", "else", "enum", "explicit", "export", "extern",
"false", "float", "for", "friend", "goto", "if", "import", "inline",
"int", "long", "module", "mutable", "namespace", "new", "noexcept",
"not", "not_eq", "nullptr", "operator", "or", "or_eq", "private",
"protected", "public", "register", "reinterpret_cast", "requires",
"return", "short", "signed", "sizeof", "static", "static_assert",
"static_cast", "struct", "switch", "synchronized", "template",
"this", "thread_local", "throw", "true", "try", "typedef", "typeid",
"typename", "union", "unsigned", "using", "virtual", "void",
"volatile", "wchar_t", "while", "xor", "xor_eq",
# Identifiers with special meanings"
"override", "final", "transaction_safe", "transaction_safe_dynamic",
# Preprocessor tokens
"if", "elif", "else", "endif", "defined", "ifdef", "ifndef",
"define", "undef", "include", "line", "error", "pragma",
"_pragma",
# C++20
"char8_t", "consteval", "constinit", "co_await", "co_return",
"co_yield", "reflexpr",
]
if temp in cpp_keywords:
tty.die("The plugin name you provided is a C++ reserved keyword. Please provide a different name.")
return temp
else:
tty.die("Plugin name must begin with a letter.")
# Determine the available plugins
available_plugins = []
psidatadir = Path(core.get_datadir())
plugin_path = psidatadir / "plugin"
for sdir in os.listdir(plugin_path):
if (plugin_path / sdir).is_dir():
available_plugins.append(sdir)
[docs]def create_plugin(name: str, template: str) -> None:
f"""Generate plugin in directory with sanitized *name* based upon *template*.
Parameters
----------
name
Name of plugin. Should not have any fancy characters or reserved keywords.
template
{{{available_plugins}}}
Which existing template to model off of.
"""
name = sanitize_name(name)
template_path = plugin_path / template
# Create, but do not overwrite, plugin directory
if os.path.exists(name):
tty.error("""Plugin directory "{}" already exists.""".format(name))
# Do a first pass to determine the template temp_files
template_files = os.listdir(template_path)
source_files = []
for temp_file in template_files:
target_file = temp_file
if temp_file.endswith('.template'):
target_file = temp_file[0:-9]
if temp_file.endswith('.cc.template'):
source_files.append(target_file)
tty.hline("""Creating "{}" with "{}" template.""".format(name, template))
os.mkdir(name)
created_files = []
for source_file in template_files:
# Skip swp files
if source_file.endswith(".swp"):
continue
target_file = source_file
if source_file.endswith('.template'):
target_file = source_file[0:-9]
try:
print(template_path / source_file)
contents = (template_path / source_file).read_text()
except IOError as err:
tty.error("""Unable to open {} template.""".format(source_file))
tty.error(err)
sys.exit(1)
contents = contents.replace('@plugin@', name)
contents = contents.replace('@Plugin@', name.capitalize())
contents = contents.replace('@PLUGIN@', name.upper())
contents = contents.replace('@sources@', ' '.join(source_files))
try:
(Path(name) / target_file).write_text(contents)
created_files.append(target_file)
except IOError as err:
tty.error("""Unable to create {}""".format(target_file))
tty.error(err)
sys.exit(1)
tty.info("Created plugin files (in {} as {}): ".format(name, template), ", ".join(created_files))
sys.exit(0)
