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Add install=True argument to check_requirements #4512

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merged 2 commits into from
Aug 23, 2021
Merged

Add install=True argument to check_requirements #4512

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5deb416
Add `install=True` argument to `check_requirements`
glenn-jocher Aug 23, 2021
484ae44
Update general.py
glenn-jocher Aug 23, 2021
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20 changes: 12 additions & 8 deletions utils/general.py
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Original file line number Diff line number Diff line change
Expand Up @@ -172,7 +172,7 @@ def check_version(current='0.0.0', minimum='0.0.0', name='version ', pinned=Fals


@try_except
def check_requirements(requirements='requirements.txt', exclude=()):
def check_requirements(requirements='requirements.txt', exclude=(), install=True):
# Check installed dependencies meet requirements (pass *.txt file or list of packages)
prefix = colorstr('red', 'bold', 'requirements:')
check_python() # check python version
Expand All @@ -188,13 +188,17 @@ def check_requirements(requirements='requirements.txt', exclude=()):
try:
pkg.require(r)
except Exception as e: # DistributionNotFound or VersionConflict if requirements not met
print(f"{prefix} {r} not found and is required by YOLOv5, attempting auto-update...")
try:
assert check_online(), f"'pip install {r}' skipped (offline)"
print(check_output(f"pip install '{r}'", shell=True).decode())
n += 1
except Exception as e:
print(f'{prefix} {e}')
s = f"{prefix} {r} not found and is required by YOLOv5"
if install:
print(f"{s}, attempting auto-update...")
try:
assert check_online(), f"'pip install {r}' skipped (offline)"
print(check_output(f"pip install '{r}'", shell=True).decode())
n += 1
except Exception as e:
print(f'{prefix} {e}')
else:
print(f'{s}. Please install and rerun your command.')

if n: # if packages updated
source = file.resolve() if 'file' in locals() else requirements
Expand Down