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# -*- coding: utf-8 -*-
import os
from shutil import rmtree
def remove(path):
if os.path.exists(path):
if os.path.isdir(path):
rmtree(path)
else:
os.remove(path)
# find all indices of a list of strings that match a regex
def findall_regex(items, regex):
found = list()
for i in range(0, len(items)):
k = regex.match(items[i])
if k:
found.append(i)
k = None
return found
def split_by_regex(items, regex):
splits = list()
indices = findall_regex(items, regex)
if not indices:
splits.append(items)
return splits
# Add first chunk before first match
splits.append(items[0 : indices[0]])
# Add chunks between matches
for i in range(len(indices) - 1):
splits.append(items[indices[i] : indices[i + 1]])
# Add final chunk after last match
splits.append(items[indices[-1] :])
return splits
# http://stackoverflow.com/questions/377017/test-if-executable-exists-in-python
def which(program):
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath, fname = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
for path in os.environ['PATH'].split(os.pathsep):
path = path.strip('"')
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return exe_file
return None
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