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add helper to locate project root dynamically

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This commit is contained in:
henok3878 2025-11-07 12:10:40 -05:00
parent c6b7ab7440
commit 8788ffb3db
1 changed files with 12 additions and 0 deletions
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12
nanochat/common.py
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@ -58,6 +58,18 @@ def get_base_dir():
os.makedirs(nanochat_dir, exist_ok=True)
return nanochat_dir
def get_project_root():
# locates the project root by walking upward from this file
_PROJECT_MARKERS = ('.git', 'uv.lock')
curr = os.path.dirname(os.path.abspath(__file__))
while True:
if any(os.path.exists(os.path.join(curr, m)) for m in _PROJECT_MARKERS):
return curr
parent = os.path.dirname(curr)
if parent == curr: # reached filesystem root
return None
curr = parent
def download_file_with_lock(url, filename, postprocess_fn=None):
"""
Downloads a file from a URL to a local path in the base directory.