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import subprocess
from pelican import signals
class GitDescribe:
def __init__(self, gen):
self.settings = gen.settings
self.process()
def process(self):
"""Initialization process."""
pass
def defer_process(self):
"""Check and return git describe value."""
result = subprocess.run(["git", "describe"], stdout=subprocess.PIPE,
check=True)
return result.stdout.decode('utf-8')
def initialize(gen):
"""Function called upon article generator initialization."""
gen.plugin_instance = GitDescribe(gen)
def fetch(gen, metadata):
"""Function called upon article generation context fetching."""
gen.context['git_describe'] = gen.plugin_instance.defer_process()
def register():
"""Register Pelican signals to dedicated functions."""
signals.article_generator_init.connect(initialize)
signals.article_generator_context.connect(fetch)
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