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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
eclass.py
~~~~~~~~~
eclass generation
:copyright: (c) 2013 by Jauhien Piatlicki
:license: GPL-2, see LICENSE for more details.
"""
import glob
import os
from .exceptions import EclassError
from .fileutils import get_pkgpath
class EclassGenerator(object):
"""
Generates eclasses from files in a given dir.
"""
def __init__(self, eclass_dir):
"""
__init__ in a subclass should take no parameters.
"""
self.eclass_dir = eclass_dir
def list(self):
"""
List all eclasses.
Returns:
List of all eclasses with string entries.
"""
result = []
for directory in [self.eclass_dir, os.path.join(get_pkgpath(), 'data')]:
if directory:
for f_name in glob.iglob(os.path.join(directory, '*.eclass')):
result.append(os.path.basename(f_name)[:-7])
return list(set(result))
def generate(self, eclass):
"""
Generate a given eclass.
Args:
eclass: String containing eclass name.
Returns:
Eclass source as a list of strings.
"""
for directory in [self.eclass_dir, os.path.join(get_pkgpath(), 'data')]:
f_name = os.path.join(directory, eclass + '.eclass')
if os.path.isfile(f_name):
with open(f_name, 'r') as f:
eclass = f.read().split('\n')
if eclass[-1] == '':
eclass = eclass[:-1]
return eclass
raise EclassError('No eclass ' + eclass)
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