deb-python-rjsmin/_setup/py2/data.py
2013-10-13 18:25:28 +02:00

166 lines
5.0 KiB
Python

# -*- coding: ascii -*-
#
# Copyright 2007, 2008, 2009, 2010, 2011
# Andr\xe9 Malo or his licensors, as applicable
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
===================
Data distribution
===================
This module provides tools to simplify data distribution.
"""
__author__ = u"Andr\xe9 Malo"
__docformat__ = "restructuredtext en"
from distutils import filelist as _filelist
import os as _os
import posixpath as _posixpath
import sys as _sys
from _setup import commands as _commands
def splitpath(path):
""" Split a path """
drive, path = '', _os.path.normpath(path)
try:
splitunc = _os.path.splitunc
except AttributeError:
pass
else:
drive, path = splitunc(path)
if not drive:
drive, path = _os.path.splitdrive(path)
elems = []
try:
sep = _os.path.sep
except AttributeError:
sep = _os.path.join('1', '2')[1:-1]
while 1:
prefix, path = _os.path.split(path)
elems.append(path)
if prefix in ('', sep):
drive = _os.path.join(drive, prefix)
break
path = prefix
elems.reverse()
return drive, elems
def finalizer(installer):
""" Finalize install_data """
data_files = []
for item in installer.data_files:
if not isinstance(item, Data):
data_files.append(item)
continue
data_files.extend(item.flatten(installer))
installer.data_files = data_files
class Data(object):
""" File list container """
def __init__(self, files, target=None, preserve=0, strip=0,
prefix=None):
""" Initialization """
self._files = files
self._target = target
self._preserve = preserve
self._strip = strip
self._prefix = prefix
self.fixup_commands()
def fixup_commands(self):
pass
def from_templates(cls, *templates, **kwargs):
""" Initialize from template """
files = _filelist.FileList()
for tpl in templates:
for line in tpl.split(';'):
files.process_template_line(line.strip())
files.sort()
files.remove_duplicates()
result = []
for filename in files.files:
_, elems = splitpath(filename)
if '.svn' in elems or '.git' in elems:
continue
result.append(filename)
return cls(result, **kwargs)
from_templates = classmethod(from_templates)
def flatten(self, installer):
""" Flatten the file list to (target, file) tuples """
# pylint: disable = W0613
if self._prefix:
_, prefix = splitpath(self._prefix)
telems = prefix
else:
telems = []
tmap = {}
for fname in self._files:
(_, name), target = splitpath(fname), telems
if self._preserve:
if self._strip:
name = name[max(0, min(self._strip, len(name) - 1)):]
if len(name) > 1:
target = telems + name[:-1]
tmap.setdefault(_posixpath.join(*target), []).append(fname)
return tmap.items()
class Documentation(Data):
""" Documentation container """
def fixup_commands(self):
_commands.add_option('install_data', 'without-docs',
help_text='Do not install documentation files',
inherit='install',
)
_commands.add_finalizer('install_data', 'documentation', finalizer)
def flatten(self, installer):
""" Check if docs should be installed at all """
if installer.without_docs:
return []
return Data.flatten(self, installer)
class Manpages(Documentation):
""" Manpages container """
def dispatch(cls, files):
""" Automatically dispatch manpages to their target directories """
mpmap = {}
for manpage in files:
normalized = _os.path.normpath(manpage)
_, ext = _os.path.splitext(normalized)
if ext.startswith(_os.path.extsep):
ext = ext[len(_os.path.extsep):]
mpmap.setdefault(ext, []).append(manpage)
return [cls(manpages, prefix=_posixpath.join(
'share', 'man', 'man%s' % section,
)) for section, manpages in mpmap.items()]
dispatch = classmethod(dispatch)
def flatten(self, installer):
""" Check if manpages are suitable """
if _sys.platform == 'win32':
return []
return Documentation.flatten(self, installer)