108 lines
3.6 KiB
Python
108 lines
3.6 KiB
Python
"""
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Generate header file with macros defining MicroPython version info.
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This script works with Python 2.6, 2.7, 3.3 and 3.4.
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"""
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from __future__ import print_function
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import sys
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import os
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import datetime
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import subprocess
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def get_version_info_from_git():
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# Python 2.6 doesn't have check_output, so check for that
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try:
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subprocess.check_output
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subprocess.check_call
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except AttributeError:
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return None
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# Note: git describe doesn't work if no tag is available
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try:
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git_tag = subprocess.check_output(["git", "describe", "--dirty", "--always", "--tags"], stderr=subprocess.STDOUT, universal_newlines=True).strip()
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except subprocess.CalledProcessError as er:
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if er.returncode == 128:
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# git exit code of 128 means no repository found
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return None
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git_tag = ""
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except OSError:
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return None
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try:
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git_hash = subprocess.check_output(["git", "rev-parse", "--short", "HEAD"], stderr=subprocess.STDOUT, universal_newlines=True).strip()
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except subprocess.CalledProcessError:
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git_hash = "unknown"
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except OSError:
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return None
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try:
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# Check if there are any modified files.
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subprocess.check_call(["git", "diff", "--no-ext-diff", "--quiet", "--exit-code"], stderr=subprocess.STDOUT)
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# Check if there are any staged files.
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subprocess.check_call(["git", "diff-index", "--cached", "--quiet", "HEAD", "--"], stderr=subprocess.STDOUT)
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except subprocess.CalledProcessError:
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git_hash += "-dirty"
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except OSError:
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return None
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# Try to extract MicroPython version from git tag
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ver = git_tag.split("-")[0].split(".")
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return git_tag, git_hash, ver
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def get_version_info_from_docs_conf():
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with open(os.path.join(os.path.dirname(sys.argv[0]), "..", "conf.py")) as f:
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for line in f:
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if line.startswith("version = release = '"):
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ver = line.strip().split(" = ")[2].strip("'")
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git_tag = "v" + ver
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ver = ver.split(".")
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if len(ver) == 2:
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ver.append("0")
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return git_tag, "<no hash>", ver
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return None
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def make_version_header(filename):
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# Get version info using git, with fallback to docs/conf.py
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info = get_version_info_from_git()
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if info is None:
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info = get_version_info_from_docs_conf()
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git_tag, git_hash, ver = info
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if len(ver) < 3:
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ver = ("0", "0", "0")
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version_string = git_hash
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else:
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version_string = ".".join(ver)
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# Generate the file with the git and version info
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file_data = """\
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// This file was generated by py/makeversionhdr.py
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#define MICROPY_GIT_TAG "%s"
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#define MICROPY_GIT_HASH "%s"
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#define MICROPY_BUILD_DATE "%s"
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#define MICROPY_VERSION_MAJOR (%s)
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#define MICROPY_VERSION_MINOR (%s)
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#define MICROPY_VERSION_MICRO (%s)
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#define MICROPY_VERSION_STRING "%s"
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#define MICROPY_FULL_VERSION_INFO ("Adafruit CircuitPython " MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE "; " MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME)
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""" % (git_tag, git_hash, datetime.date.today().strftime("%Y-%m-%d"),
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ver[0].replace('v', ''), ver[1], ver[2], version_string)
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# Check if the file contents changed from last time
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write_file = True
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if os.path.isfile(filename):
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with open(filename, 'r') as f:
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existing_data = f.read()
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if existing_data == file_data:
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write_file = False
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# Only write the file if we need to
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if write_file:
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with open(filename, 'w') as f:
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f.write(file_data)
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if __name__ == "__main__":
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make_version_header(sys.argv[1])
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