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"""
utils to help in the setup process
"""
import os
import re
import sys
# gets reqs from the first matching file
def get_reqs_from_files(reqfiles):
for reqfile in reqfiles:
if os.path.isfile(reqfile):
return open(reqfile, 'r').read().split('\n')
def parse_requirements(reqfiles=['requirements.txt',
'requirements.pip',
'pkg/requirements.pip']):
requirements = []
for line in get_reqs_from_files(reqfiles):
# -e git://foo.bar/baz/master#egg=foobar
if re.match(r'\s*-e\s+', line):
requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$', r'\1',
line))
# http://foo.bar/baz/foobar/zipball/master#egg=foobar
elif re.match(r'\s*https?:', line):
requirements.append(re.sub(r'\s*https?:.*#egg=(.*)$', r'\1',
line))
# -f lines are for index locations, and don't get used here
elif re.match(r'\s*-f\s+', line):
pass
# argparse is part of the standard library starting with 2.7
# adding it to the requirements list screws distro installs
elif line == 'argparse' and sys.version_info >= (2, 7):
pass
else:
if line != '':
requirements.append(line)
#print 'REQUIREMENTS', requirements
return requirements
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