mirror of
https://github.com/Relintai/gdnative_python.git
synced 2024-11-14 10:27:22 +01:00
104 lines
2.9 KiB
Python
104 lines
2.9 KiB
Python
import os
|
|
from SCons.Script import Builder, COMMAND_LINE_TARGETS
|
|
from SCons.Util import is_List
|
|
from SCons.Errors import UserError
|
|
|
|
|
|
def SymlinkAction(target, source, env):
|
|
target = target if is_List(target) else [target]
|
|
source = source if is_List(source) else [source]
|
|
|
|
if len(target) != 1 or len(source) != 1:
|
|
raise UserError("Symlink only takes a single target and source")
|
|
|
|
abs_src = os.path.abspath(str(source[0]))
|
|
abs_trg = os.path.abspath(str(target[0]))
|
|
|
|
if not os.path.isdir(abs_src):
|
|
raise UserError("Only folder symlink are allowed due to Windows limitation")
|
|
|
|
try:
|
|
os.unlink(abs_trg)
|
|
except Exception:
|
|
pass
|
|
|
|
if env["HOST_OS"] == "win32":
|
|
try:
|
|
import _winapi
|
|
|
|
_winapi.CreateJunction(abs_src, abs_trg)
|
|
except Exception as e:
|
|
raise UserError(
|
|
f"Can't do a NTFS junction as symlink fallback ({abs_src} -> {abs_trg})"
|
|
) from e
|
|
|
|
else:
|
|
try:
|
|
os.symlink(abs_src, abs_trg)
|
|
except Exception as e:
|
|
raise UserError(f"Can't create symlink ({abs_src} -> {abs_trg})") from e
|
|
|
|
|
|
def SymlinkBuilder(env, target, source, action=SymlinkAction):
|
|
results = env.Command(target, source, action)
|
|
if env["HOST_OS"] == "win32":
|
|
abs_trg = os.path.abspath(str(target[0]))
|
|
|
|
def _rm(env, target, source):
|
|
# assert len(target) == 1
|
|
try:
|
|
os.unlink(abs_trg)
|
|
except FileNotFoundError:
|
|
pass
|
|
except Exception as e:
|
|
raise UserError(f"Can't remove NTFS junction {abs_trg}") from e
|
|
|
|
env.CustomClean(
|
|
target,
|
|
# RemoveSymlink
|
|
env.Action(_rm, f"Removing symlink {abs_trg}"),
|
|
)
|
|
return results
|
|
|
|
|
|
def CustomClean(env, targets, action):
|
|
# Inspired by https://github.com/SCons/scons/wiki/CustomCleanActions
|
|
|
|
if not env.GetOption("clean"):
|
|
return
|
|
|
|
# normalize targets to absolute paths
|
|
targets = [env.Entry(target).abspath for target in env.Flatten(targets)]
|
|
launchdir = env.GetLaunchDir()
|
|
topdir = env.Dir("#").abspath
|
|
cl_targets = COMMAND_LINE_TARGETS
|
|
|
|
if not cl_targets:
|
|
cl_targets.append(".")
|
|
|
|
for cl_target in cl_targets:
|
|
if cl_target.startswith("#"):
|
|
full_target = os.path.join(topdir, cl_target[:1])
|
|
else:
|
|
full_target = os.path.join(launchdir, cl_target)
|
|
full_target = os.path.normpath(full_target)
|
|
for target in targets:
|
|
if target.startswith(full_target):
|
|
env.Execute(action)
|
|
return
|
|
|
|
|
|
### Scons tool hooks ###
|
|
|
|
|
|
def generate(env):
|
|
"""
|
|
Scons doesn't provide cross-platform symlink out of the box due to Windows...
|
|
"""
|
|
env.AddMethod(CustomClean, "CustomClean")
|
|
env.Append(BUILDERS={"Symlink": SymlinkBuilder})
|
|
|
|
|
|
def exists(env):
|
|
return True
|