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Merge pull request #22 from cta-observatory/fix_pip_install
Fix pip install
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.pytest_cache | ||
ctapipe_io_lst/_version_cache.py | ||
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# Compiled files | ||
*.py[co] | ||
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def test_version(): | ||
from ctapipe_io_lst import __version__ | ||
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assert __version__ != 'unknown' |
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""" | ||
Get version identification from git. | ||
The update_release_version() function writes the current version to the | ||
VERSION file. This function should be called before packaging a release version. | ||
Use the get_version() function to get the version string, including the latest | ||
commit, from git. | ||
If git is not available the VERSION file will be read. | ||
Heres an example of such a version string: | ||
v0.2.0.post58+git57440dc | ||
This script was taken from here: | ||
https://github.com/cta-observatory/ctapipe/blob/master/ctapipe/version.py | ||
but the original code comes from here: | ||
https://github.com/aebrahim/python-git-version | ||
Combining ideas from | ||
http://blogs.nopcode.org/brainstorm/2013/05/20/pragmatic-python-versioning-via-setuptools-and-git-tags/ | ||
and Python Versioneer | ||
https://github.com/warner/python-versioneer | ||
but being much more lightwheight | ||
""" | ||
from subprocess import check_output, CalledProcessError | ||
from os import path, name, devnull, environ, listdir | ||
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__all__ = ("get_version",) | ||
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CURRENT_DIRECTORY = path.dirname(path.abspath(__file__)) | ||
VERSION_FILE = path.join(CURRENT_DIRECTORY, 'ctapipe_io_lst', "_version_cache.py") | ||
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GIT_COMMAND = "git" | ||
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if name == "nt": | ||
def find_git_on_windows(): | ||
"""find the path to the git executable on windows""" | ||
# first see if git is in the path | ||
try: | ||
check_output(["where", "/Q", "git"]) | ||
# if this command succeeded, git is in the path | ||
return "git" | ||
# catch the exception thrown if git was not found | ||
except CalledProcessError: | ||
pass | ||
# There are several locations git.exe may be hiding | ||
possible_locations = [] | ||
# look in program files for msysgit | ||
if "PROGRAMFILES(X86)" in environ: | ||
possible_locations.append("%s/Git/cmd/git.exe" % | ||
environ["PROGRAMFILES(X86)"]) | ||
if "PROGRAMFILES" in environ: | ||
possible_locations.append("%s/Git/cmd/git.exe" % | ||
environ["PROGRAMFILES"]) | ||
# look for the github version of git | ||
if "LOCALAPPDATA" in environ: | ||
github_dir = "%s/GitHub" % environ["LOCALAPPDATA"] | ||
if path.isdir(github_dir): | ||
for subdir in listdir(github_dir): | ||
if not subdir.startswith("PortableGit"): | ||
continue | ||
possible_locations.append("%s/%s/bin/git.exe" % | ||
(github_dir, subdir)) | ||
for possible_location in possible_locations: | ||
if path.isfile(possible_location): | ||
return possible_location | ||
# git was not found | ||
return "git" | ||
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GIT_COMMAND = find_git_on_windows() | ||
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def get_git_describe_version(abbrev=7): | ||
"""return the string output of git desribe""" | ||
try: | ||
with open(devnull, "w") as fnull: | ||
arguments = [GIT_COMMAND, "describe", "--tags", | ||
"--abbrev=%d" % abbrev] | ||
return check_output(arguments, cwd=CURRENT_DIRECTORY, | ||
stderr=fnull).decode("ascii").strip() | ||
except (OSError, CalledProcessError): | ||
return None | ||
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def format_git_describe(git_str, pep440=False): | ||
"""format the result of calling 'git describe' as a python version""" | ||
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if "-" not in git_str: # currently at a tag | ||
formatted_str = git_str | ||
else: | ||
# formatted as version-N-githash | ||
# want to convert to version.postN-githash | ||
git_str = git_str.replace("-", ".post", 1) | ||
if pep440: # does not allow git hash afterwards | ||
formatted_str = git_str.split("-")[0] | ||
else: | ||
formatted_str = git_str.replace("-g", "+git") | ||
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# need to remove the "v" to have a proper python version | ||
if formatted_str.startswith('v'): | ||
formatted_str = formatted_str[1:] | ||
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return formatted_str | ||
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def read_release_version(): | ||
"""Read version information from VERSION file""" | ||
try: | ||
from ._version_cache import version | ||
if len(version) == 0: | ||
version = None | ||
return version | ||
except ImportError: | ||
return "unknown" | ||
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def update_release_version(pep440=False): | ||
"""Release versions are stored in a file called VERSION. | ||
This method updates the version stored in the file. | ||
This function should be called when creating new releases. | ||
It is called by setup.py when building a package. | ||
pep440: bool | ||
When True, this function returns a version string suitable for | ||
a release as defined by PEP 440. When False, the githash (if | ||
available) will be appended to the version string. | ||
""" | ||
version = get_version(pep440=pep440) | ||
print('writing version to', VERSION_FILE) | ||
with open(VERSION_FILE, "w") as outfile: | ||
outfile.write(f"version='{version}'") | ||
outfile.write("\n") | ||
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def get_version(pep440=False): | ||
"""Tracks the version number. | ||
pep440: bool | ||
When True, this function returns a version string suitable for | ||
a release as defined by PEP 440. When False, the githash (if | ||
available) will be appended to the version string. | ||
The file VERSION holds the version information. If this is not a git | ||
repository, then it is reasonable to assume that the version is not | ||
being incremented and the version returned will be the release version as | ||
read from the file. | ||
However, if the script is located within an active git repository, | ||
git-describe is used to get the version information. | ||
The file VERSION will need to be changed manually. | ||
""" | ||
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raw_git_version = get_git_describe_version() | ||
if not raw_git_version: # not a git repository | ||
return read_release_version() | ||
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git_version = format_git_describe(raw_git_version, pep440=pep440) | ||
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return git_version | ||
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if __name__ == "__main__": | ||
print(get_version()) |