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update_version_from_git.py
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update_version_from_git.py
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"""
Adapted from https://github.com/pygame/pygameweb/blob/master/pygameweb/builds/update_version_from_git.py
For updating the version from git.
__init__.py contains a __version__ field.
Update that.
If the user supplies "patch" as a CLi argument, we want to bump the existing patch version
If the user supplied the full version as a CLI argument, we want to use that version.
Otherwise,
If we are on master, we want to update the version as a pre-release.
git describe --tags
With these:
__init__.py
__version__= '0.0.2'
git describe --tags
0.0.1-22-g729a5ae
We want this:
__init__.py
__version__= '0.0.2.dev22.g729a5ae'
Get the branch/tag name with this.
git symbolic-ref -q --short HEAD || git describe --tags --exact-match
"""
import io
import os
import re
import subprocess
import sys
from packaging.version import Version
def migrate_source_attribute(attr, to_this, target_file):
"""Updates __magic__ attributes in the source file"""
new_file = []
found = False
with open(target_file, "r") as fp:
lines = fp.readlines()
for line in lines:
if line.startswith(attr):
found = True
line = to_this
new_file.append(line)
if found:
with open(target_file, "w") as fp:
fp.writelines(new_file)
def migrate_version(new_version):
initpy = os.path.abspath("moto/__init__.py")
setupcfg = os.path.abspath("setup.cfg")
"""Updates __version__ in the init file"""
migrate_source_attribute(
"__version__",
to_this=f'__version__ = "{new_version}"\n',
target_file=initpy,
)
migrate_source_attribute(
"version =",
to_this=f"version = {new_version}\n",
target_file=setupcfg,
)
def is_master_branch():
cmd = "git rev-parse --abbrev-ref HEAD"
tag_branch = subprocess.check_output(cmd, shell=True)
return tag_branch in [b"master\n"]
def get_git_version_info():
cmd = "git describe --tags"
ver_str = subprocess.check_output(cmd, shell=True)
ver, commits_since, githash = ver_str.decode().strip().split("-")
return Version(ver), int(commits_since), githash
def prerelease_version():
"""return what the prerelease version should be.
https://packaging.python.org/tutorials/distributing-packages/#pre-release-versioning
0.0.2.dev22
"""
ver, commits_since, githash = get_git_version_info()
initpy_ver = get_version()
assert (
initpy_ver > ver
), "the moto/__init__.py version should be newer than the last tagged release."
return "{}.{}.{}.dev{}".format(
initpy_ver.major, initpy_ver.minor, initpy_ver.micro, commits_since
)
def read(*parts):
"""Reads in file from *parts."""
try:
return io.open(os.path.join(*parts), "r", encoding="utf-8").read()
except IOError:
return ""
def get_version():
"""Returns version from moto/__init__.py"""
version_file = read("moto", "__init__.py")
version_match = re.search(
r'^__version__ = [\'"]([^\'"]*)[\'"]', version_file, re.MULTILINE
)
if not version_match:
raise RuntimeError("Unable to find version string.")
initpy_ver = version_match.group(1)
assert len(initpy_ver.split(".")) in [
3,
4,
], "moto/__init__.py version should be like 0.0.2.dev"
return Version(initpy_ver)
def increase_patch_version(old_version):
"""
:param old_version: 2.0.1
:return: 2.0.2.dev
"""
return "{}.{}.{}.dev".format(
old_version.major, old_version.minor, old_version.micro + 1
)
def release_version_correct():
"""Makes sure the:
- prerelease verion for master is correct.
- release version is correct for tags.
"""
if is_master_branch():
# update for a pre release version.
new_version = prerelease_version()
print(
"updating version in __init__.py to {new_version}".format(
new_version=new_version
)
)
assert (
len(new_version.split(".")) >= 4
), "moto/__init__.py version should be like 0.0.2.dev"
migrate_version(new_version)
else:
assert False, "No non-master deployments yet"
if __name__ == "__main__":
new_version = None
if len(sys.argv) == 1:
release_version_correct()
elif len(sys.argv) == 2:
for _, arg in enumerate(sys.argv):
new_version = arg
if new_version == "patch":
new_version = increase_patch_version(get_version())
migrate_version(new_version)
else:
print(
"Invalid usage. Supply 0 or 1 arguments. "
"Argument can be either a version '1.2.3' or 'patch' if you want to increase the patch-version (1.2.3 -> 1.2.4.dev)"
)