python-tldp/tldp/outputs.py

94 lines
2.8 KiB
Python

#! /usr/bin/python
from __future__ import absolute_import, division, print_function
import os
import errno
from .utils import logger
class OutputNamingConvention(object):
expected = ['name_txt', 'name_pdf', 'name_htmls', 'name_html',
'name_index']
def __init__(self, stem, dirname):
self.stem = stem
self.dirname = dirname
@property
def name_txt(self):
return os.path.join(self.dirname, self.stem + '.txt')
@property
def name_pdf(self):
return os.path.join(self.dirname, self.stem + '.pdf')
@property
def name_html(self):
return os.path.join(self.dirname, self.stem + '.html')
@property
def name_htmls(self):
return os.path.join(self.dirname, self.stem + '-single.html')
@property
def name_index(self):
return os.path.join(self.dirname, 'index.html')
class OutputDirectory(OutputNamingConvention):
def __init__(self, dirname):
self.dirname = os.path.abspath(dirname)
self.stem = os.path.basename(self.dirname)
parent = os.path.dirname(self.dirname)
if not os.path.isdir(parent):
logger.critical("Missing output tree %s.", parent)
raise OSError(errno.ENOENT, os.strerror(errno.ENOENT), parent)
if not os.path.isdir(self.dirname):
logger.info("Creating output directory %s.", dirname)
os.mkdir(dirname)
super(OutputDirectory, self).__init__(self.stem, self.dirname)
def clean(self):
logger.info("%s cleaning directory %s.", self.stem, self.dirname)
for oformat in self.expected:
name = getattr(self, oformat, None)
assert name is not None
if os.path.exists(name) or os.path.islink(name):
logger.info("%s cleaning directory %s, removing file %s",
self.stem, self.dirname, os.path.basename(name))
os.unlink(name)
return True
class OutputTree(object):
def __repr__(self):
return '<%s:(%s docs)>' % \
(self.__class__.__name__, len(self.docs))
def __init__(self, dirname):
if not os.path.isdir(dirname):
logger.critical("Directory %s must already exist.", dirname)
raise OSError(errno.ENOENT, os.strerror(errno.ENOENT), dirname)
self.dirname = dirname
self.docs = dict()
self.enumerateDocuments()
def enumerateDocuments(self):
for fname in os.listdir(self.dirname):
name = os.path.join(self.dirname, fname)
if not os.path.isdir(name):
logger.warning("Skipping non-directory %s (in %s)",
name, self.dirname)
o = OutputDirectory(name)
assert not self.docs.has_key(o.stem)
self.docs[o.stem] = o
#
# -- end of file