NopSCADlib/scripts/deps.py

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#
# NopSCADlib Copyright Chris Palmer 2018
# nop.head@gmail.com
# hydraraptor.blogspot.com
#
# This file is part of NopSCADlib.
#
# NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
# GNU General Public License as published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# NopSCADlib 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with NopSCADlib.
# If not, see <https://www.gnu.org/licenses/>.
#
import os
def mtime(file):
if os.path.isfile(file):
return os.path.getmtime(file)
return 0
def deps_name(dir, scad_name):
return dir + '/' + scad_name[:-5] + '.deps'
def read_deps(dname):
with open(dname, "rt") as file:
lines = file.readlines()
deps = []
for line in lines:
if line.startswith('\t'):
dep = line[1 : -1].rstrip(' \\')
if not os.path.basename(dep) in ['stl.scad', 'dxf.scad', 'svf.scad', 'png.scad', 'target.scad']:
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deps.append(dep)
return deps
def check_deps(target_mtime, dname):
if not target_mtime:
return "target missing"
if not os.path.isfile(dname):
return "no deps"
deps = read_deps(dname)
for dep in deps:
if mtime(dep) > target_mtime:
return dep + ' changed'
return None