118 lines
3.3 KiB
Python
118 lines
3.3 KiB
Python
"""
|
|
Generate header file with macros defining MicroPython version info.
|
|
|
|
This script works with Python 2.6, 2.7, 3.3 and 3.4.
|
|
"""
|
|
|
|
from __future__ import print_function
|
|
|
|
import sys
|
|
import os
|
|
import datetime
|
|
import subprocess
|
|
|
|
|
|
def get_version_info_from_git():
|
|
# Python 2.6 doesn't have check_output, so check for that
|
|
try:
|
|
subprocess.check_output
|
|
subprocess.check_call
|
|
except AttributeError:
|
|
return None
|
|
|
|
# Note: git describe doesn't work if no tag is available
|
|
try:
|
|
git_tag = subprocess.check_output(
|
|
["git", "describe", "--tags", "--dirty", "--always", "--match", "v[1-9].*"],
|
|
stderr=subprocess.STDOUT,
|
|
universal_newlines=True,
|
|
).strip()
|
|
except subprocess.CalledProcessError as er:
|
|
if er.returncode == 128:
|
|
# git exit code of 128 means no repository found
|
|
return None
|
|
git_tag = ""
|
|
except OSError:
|
|
return None
|
|
try:
|
|
git_hash = subprocess.check_output(
|
|
["git", "rev-parse", "--short", "HEAD"],
|
|
stderr=subprocess.STDOUT,
|
|
universal_newlines=True,
|
|
).strip()
|
|
except subprocess.CalledProcessError:
|
|
git_hash = "unknown"
|
|
except OSError:
|
|
return None
|
|
|
|
try:
|
|
# Check if there are any modified files.
|
|
subprocess.check_call(
|
|
["git", "diff", "--no-ext-diff", "--quiet", "--exit-code"], stderr=subprocess.STDOUT
|
|
)
|
|
# Check if there are any staged files.
|
|
subprocess.check_call(
|
|
["git", "diff-index", "--cached", "--quiet", "HEAD", "--"], stderr=subprocess.STDOUT
|
|
)
|
|
except subprocess.CalledProcessError:
|
|
git_hash += "-dirty"
|
|
except OSError:
|
|
return None
|
|
|
|
return git_tag, git_hash
|
|
|
|
|
|
def get_version_info_from_docs_conf():
|
|
with open(os.path.join(os.path.dirname(sys.argv[0]), "..", "docs", "conf.py")) as f:
|
|
for line in f:
|
|
if line.startswith("version = release = '"):
|
|
ver = line.strip().split(" = ")[2].strip("'")
|
|
git_tag = "v" + ver
|
|
return git_tag, "<no hash>"
|
|
return None
|
|
|
|
|
|
def make_version_header(filename):
|
|
# Get version info using git, with fallback to docs/conf.py
|
|
info = get_version_info_from_git()
|
|
if info is None:
|
|
info = get_version_info_from_docs_conf()
|
|
|
|
git_tag, git_hash = info
|
|
|
|
build_date = datetime.date.today()
|
|
if "SOURCE_DATE_EPOCH" in os.environ:
|
|
build_date = datetime.datetime.utcfromtimestamp(
|
|
int(os.environ["SOURCE_DATE_EPOCH"])
|
|
).date()
|
|
|
|
# Generate the file with the git and version info
|
|
file_data = """\
|
|
// This file was generated by py/makeversionhdr.py
|
|
#define MICROPY_GIT_TAG "%s"
|
|
#define MICROPY_GIT_HASH "%s"
|
|
#define MICROPY_BUILD_DATE "%s"
|
|
""" % (
|
|
git_tag,
|
|
git_hash,
|
|
build_date.strftime("%Y-%m-%d"),
|
|
)
|
|
|
|
# Check if the file contents changed from last time
|
|
write_file = True
|
|
if os.path.isfile(filename):
|
|
with open(filename, "r") as f:
|
|
existing_data = f.read()
|
|
if existing_data == file_data:
|
|
write_file = False
|
|
|
|
# Only write the file if we need to
|
|
if write_file:
|
|
print("GEN %s" % filename)
|
|
with open(filename, "w") as f:
|
|
f.write(file_data)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
make_version_header(sys.argv[1])
|