mirror of
https://github.com/xoseperez/espurna.git
synced 2026-03-03 06:54:16 +01:00
96 lines
3.4 KiB
Python
96 lines
3.4 KiB
Python
import atexit
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import os
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import shutil
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import tempfile
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import functools
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from .display import print_warning
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from .version import app_full_version_for_env
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def try_remove(path):
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try:
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os.remove(path)
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except: # pylint: disable=bare-except
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print_warning("Please manually remove the file `{}`".format(path))
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# emulate .ino concatenation to speed up compilation times
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def merge_cpp(sources, output):
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with tempfile.TemporaryFile() as tmp:
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tmp.write(b"// !!! Automatically generated file; DO NOT EDIT !!! \n")
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tmp.write(b'#include "espurna.h"\n')
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for source in sources:
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src_include = '#include "{}"\n'.format(source)
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tmp.write(src_include.encode("utf-8"))
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tmp.seek(0)
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with open(output, "wb") as fobj:
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shutil.copyfileobj(tmp, fobj)
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atexit.register(try_remove, output)
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def firmware_prefix(env):
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return "espurna-{}".format(app_full_version_for_env(env))
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# generate an common name for the current build
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def firmware_filename(env):
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suffix = "{}.bin".format(env["ESPURNA_BUILD_NAME"] or env["PIOENV"])
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return "-".join([firmware_prefix(env), suffix])
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def firmware_destination(env):
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destdir = env["ESPURNA_BUILD_DESTINATION"] or env["PROJECT_DIR"]
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subdir = os.path.join(destdir, firmware_prefix(env))
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return os.path.join(subdir, firmware_filename(env))
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def app_add_target_build_and_copy(env):
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from SCons.Script import Copy
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copy_dest = firmware_destination(env)
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copy = env.Command(
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copy_dest, "${BUILD_DIR}/${PROGNAME}.bin", Copy("$TARGET", "$SOURCE")
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)
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env.AddTarget(
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"build-and-copy",
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copy_dest,
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actions=None, # command invocation already handles this
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title="Build firmware.bin and store a copy",
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description="Build and store firmware.bin as $ESPURNA_BUILD_DESTINATION/espurna-<version>-$ESPURNA_BUILD_NAME.bin (default destination is $PROJECT_DIR)",
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)
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# TODO: *could* be a Builder object, just the same it will detect targets via src_suffix & suffix properties
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# but, notice that:
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# - constantly re-generating files in $project_dir only useful in development, as the source tree includes already 'compiled' .re.cpp.inc
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# - .cpp.re.inc <-> .re dependency will be injected into the scons database of the *environment*,
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# which may accidentally cause a rebuild when using 2 envs at the same time
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# - .cpp file `#include`ing the .inc file may be built before the file is actually generated by the re2c (or, in a parallel job)
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# scons has a C source scanner that is tracking `#include` directives. but, file may *already* exist at the scanning phase and
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# it may be assumed something static during the build (as most include directives are for the system, sdk, and the build-tree headers)
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def app_add_target_build_re2c(env):
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from SCons.Script import COMMAND_LINE_TARGETS
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targets = [
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env.File(target) for target in COMMAND_LINE_TARGETS if ".re.cpp.inc" in target
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]
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cmd = "re2c --no-generation-date --case-ranges -W -Werror -o {} {}"
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if targets:
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sources = [
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target.File("{}".format(target.name.replace(".cpp.inc", "")))
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for target in targets
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]
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for target, source in zip(targets, sources):
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env.Execute(
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env.VerboseAction(
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cmd.format(target, source), "Generating {}".format(target.name)
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)
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)
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env.Exit(0)
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