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# Copyright © 2010-2013 Piotr Ożarowski <piotr@debian.org>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import logging
from os import makedirs, chmod
from os.path import exists, join, dirname
from dhpython import PKG_NAME_TPLS, RT_LOCATIONS, RT_TPLS
log = logging.getLogger('dhpython')
class DebHelper:
"""Reinvents the wheel / some dh functionality (Perl is ugly ;-P)"""
def __init__(self, options, impl='cpython3'):
self.options = options
self.packages = {}
self.python_version = None
source_section = True
binary_package = None
# Note that each DebHelper instance supports ONE interpreter type only
# it's not possible to mix cpython2, cpython3 and pypy here
self.impl = impl
skip_tpl = set()
for name, tpls in PKG_NAME_TPLS.items():
if name != impl:
skip_tpl.update(tpls)
skip_tpl = tuple(skip_tpl)
pkgs = options.package
skip_pkgs = options.no_package
try:
fp = open('debian/control', 'r', encoding='utf-8')
except IOError:
raise Exception('cannot find debian/control file')
for line in fp:
if not line.strip():
source_section = False
binary_package = None
continue
line_l = line.lower() # field names are case-insensitive
if binary_package:
if binary_package not in self.packages:
continue
if line_l.startswith('architecture:'):
arch = line[13:].strip()
# TODO: if arch doesn't match current architecture:
#del self.packages[binary_package]
self.packages[binary_package]['arch'] = arch
continue
elif line_l.startswith('package:'):
binary_package = line[8:].strip()
if skip_tpl and binary_package.startswith(skip_tpl):
log.debug('skipping package: %s', binary_package)
continue
if pkgs and binary_package not in pkgs:
continue
if skip_pkgs and binary_package in skip_pkgs:
continue
self.packages[binary_package] = {'substvars': {},
'autoscripts': {},
'rtupdates': [],
'arch': 'any'}
elif line_l.startswith('source:'):
self.source_name = line[7:].strip()
elif source_section and self.impl == 'cpython3' and line_l.startswith('x-python3-version:'):
self.python_version = line[18:]
if len(self.python_version.split(',')) > 2:
raise ValueError('too many arguments provided for X-Python3-Version: min and max only.')
elif source_section and self.impl == 'cpython2':
if line_l.startswith('xs-python-version:'):
if not self.python_version:
self.python_version = line[18:].strip()
if line_l.startswith('x-python-version:'):
self.python_version = line[17:].strip()
fp.close()
log.debug('source=%s, binary packages=%s', self.source_name,
list(self.packages.keys()))
def addsubstvar(self, package, name, value):
"""debhelper's addsubstvar"""
self.packages[package]['substvars'].setdefault(name, []).append(value)
def autoscript(self, package, when, template, args):
"""debhelper's autoscript"""
self.packages[package]['autoscripts'].setdefault(when, {})\
.setdefault(template, []).append(args)
def add_rtupdate(self, package, value):
self.packages[package]['rtupdates'].append(value)
def save_autoscripts(self):
for package, settings in self.packages.items():
autoscripts = settings.get('autoscripts')
if not autoscripts:
continue
for when, templates in autoscripts.items():
fn = "debian/%s.%s.debhelper" % (package, when)
if exists(fn):
with open(fn, 'r', encoding='utf-8') as datafile:
data = datafile.read()
else:
data = ''
new_data = ''
for tpl_name, args in templates.items():
for i in args:
# try local one first (useful while testing dh_python3)
fpath = join(dirname(__file__), '..',
"autoscripts/%s" % tpl_name)
if not exists(fpath):
fpath = "/usr/share/debhelper/autoscripts/%s" % tpl_name
with open(fpath, 'r', encoding='utf-8') as tplfile:
tpl = tplfile.read()
if self.options.compile_all and args:
# TODO: should args be checked to contain dir name?
tpl = tpl.replace('#PACKAGE#', '')
else:
tpl = tpl.replace('#PACKAGE#', package)
tpl = tpl.replace('#ARGS#', i)
if tpl not in data and tpl not in new_data:
new_data += "\n%s" % tpl
if new_data:
data += '\n# Automatically added by dhpython:' +\
'{}\n# End automatically added section\n'.format(new_data)
fp = open(fn, 'w', encoding='utf-8')
fp.write(data)
fp.close()
def save_substvars(self):
for package, settings in self.packages.items():
substvars = settings.get('substvars')
if not substvars:
continue
fn = "debian/%s.substvars" % package
if exists(fn):
with open(fn, 'r', encoding='utf-8') as datafile:
data = datafile.read()
else:
data = ''
for name, values in substvars.items():
p = data.find("%s=" % name)
if p > -1: # parse the line and remove it from data
e = data[p:].find('\n')
line = data[p + len("%s=" % name):
p + e if e > -1 else None]
items = [i.strip() for i in line.split(',') if i]
if e > -1 and data[p + e:].strip():
data = "%s\n%s" % (data[:p], data[p + e:])
else:
data = data[:p]
else:
items = []
for j in values:
if j not in items:
items.append(j)
if items:
if data:
data += '\n'
data += "%s=%s\n" % (name, ', '.join(items))
data = data.replace('\n\n', '\n')
if data:
fp = open(fn, 'w', encoding='utf-8')
fp.write(data)
fp.close()
def save_rtupdate(self):
for package, settings in self.packages.items():
pkg_arg = '' if self.options.compile_all else "-p %s" % package
values = settings.get('rtupdates')
if not values:
continue
d = 'debian/{}/{}'.format(package, RT_LOCATIONS[self.impl])
if not exists(d):
makedirs(d)
fn = "%s/%s.rtupdate" % (d, package)
if exists(fn):
data = open(fn, 'r', encoding='utf-8').read()
else:
data = "#! /bin/sh\nset -e"
for dname, args in values:
cmd = RT_TPLS[self.impl].format(pkg_arg=pkg_arg,
dname=dname,
args=args)
if cmd not in data:
data += "\n%s" % cmd
if data:
fp = open(fn, 'w', encoding='utf-8')
fp.write(data)
fp.close()
chmod(fn, 0o755)
def save(self):
self.save_substvars()
self.save_autoscripts()
self.save_rtupdate()