"""
A collection of utility functions to handle logistics of
LHAPDFs and fits. For use by vp-scripts.
"""
import os
import sys
import threading
import time
[docs]class Spinner:
"""Context manager to provide a spinning cursor
while validphys performs some other task silently.
When exececuted in a TTY, it shows a spinning cursor for the duration of
the context manager. In non interactive prompts, it prints to stdout at the
beginning and end.
Example
-------
>>> from validphys.renametools import Spinner
>>> with Spinner():
... import time
... time.sleep(5)
"""
def __init__(self, delay=0.1):
self.spinner_generator = self.spinning_cursor()
self.delay = delay
@property
def interactive(self):
return os.isatty(sys.stdout.fileno())
[docs] def spinner_task(self):
while not self.event.isSet():
sys.stdout.write(next(self.spinner_generator))
sys.stdout.flush()
time.sleep(self.delay)
sys.stdout.write('\b')
sys.stdout.flush()
def __enter__(self):
if self.interactive:
self.event = threading.Event()
threading.Thread(target=self.spinner_task).start()
else:
print("Waiting...")
def __exit__(self, exception, value, tb):
if self.interactive:
self.event.set()
sys.stdout.write('\r')
sys.stdout.flush()
else:
print("Done")
[docs] @staticmethod
def spinning_cursor():
while True:
for cursor in '|/-\\':
yield cursor
[docs]def rename_pdf(pdf_folder, initial_fit_name, final_name):
for item in os.listdir(pdf_folder):
p = pdf_folder / item
if p.is_symlink():
replica = p.resolve().parent.name
pointer = f'../../nnfit/{replica}/{final_name}.dat'
p.unlink()
p.symlink_to(pointer)
newname = p.name.replace(initial_fit_name, final_name)
p.rename(p.with_name(newname))
pdf_folder.rename(pdf_folder.with_name(final_name))
[docs]def rename_nnfit(nnfit_path, initial_fit_name, final_name):
info_file = nnfit_path / f'{initial_fit_name}.info'
info_file.rename(info_file.with_name(f'{final_name}.info'))
# Some older fits have the PDF here
pdf_folder = nnfit_path / initial_fit_name
if pdf_folder.is_dir():
rename_pdf(pdf_folder, initial_fit_name, final_name)
# Change replica names
for item in nnfit_path.glob('replica*'):
if item.is_dir():
files = item.glob(initial_fit_name + '*')
for i in files:
newname = i.name.replace(initial_fit_name, final_name)
i.rename(item / newname)
[docs]def rename_postfit(postfit_path, initial_fit_name, final_name):
pdf_folder = postfit_path / initial_fit_name
rename_pdf(pdf_folder, initial_fit_name, final_name)
os.system(f'sed -i -e "s/{initial_fit_name}/{final_name}/g" {postfit_path/"postfit.log"}')
[docs]def change_name(initial_path, final_name):
"""Function that takes initial fit name and final fit name
and performs the renaming"""
initial_fit_name = initial_path.name
nnfit = initial_path / 'nnfit'
if nnfit.exists():
rename_nnfit(nnfit, initial_fit_name, final_name)
postfit = initial_path / 'postfit'
if postfit.exists():
rename_postfit(postfit, initial_fit_name, final_name)
newpath = initial_path.with_name(final_name)
initial_path.rename(newpath)
return newpath