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# This file is part of ipsutils.
# ipsutils is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# ipsutils is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with ipsutils. If not, see <http://www.gnu.org/licenses/>.
import shlex
import string
import StringIO
import collections
class Config(object):
def __init__(self, ipsfile=''):
"""SPEC file parsing engine.
"""
super(Config, self).__init__()
#Defines possible FMRI section keywords used by IPS
key_dict = collections.OrderedDict()
key_dict['name'] = ''
key_dict['repackage'] = ''
key_dict['version'] = ''
key_dict['release'] = ''
key_dict['group'] = ''
key_dict['summary'] = ''
key_dict['license'] = ''
key_dict['maintainer'] = ''
key_dict['upstream_url'] = ''
key_dict['source_url'] = ''
key_dict['arch'] = ''
key_dict['classification'] = ''
key_dict['description'] = ''
#Define valid build script sections in SPEC file
script_dict = collections.OrderedDict()
script_dict['prep'] = []
script_dict['build'] = []
script_dict['install'] = []
script_dict['transforms'] = []
if not ipsfile:
self.key_dict = key_dict
self.script_dict = script_dict
return
#Initial key_dict population with raw values taken from ips file
for key in key_dict:
for line in file(ipsfile).readlines():
parts = shlex.split(line)
if key + ":" in parts:
key_dict[key] = parts[1]
#Drop using the original file in favor of a StringIO buffer
#Because we need room to breathe without rewriting the file
#every time we run a build... that's a no-go.
ipsfile_input = StringIO.StringIO()
for line in file(ipsfile).readlines():
t = string.Template(line)
new_line = t.safe_substitute(key_dict)
ipsfile_input.writelines(new_line)
#Turn our input buffer into an output buffer then ditch the original.
ipsfile_output = StringIO.StringIO(ipsfile_input.getvalue()).readlines()
ipsfile_input.close()
# Populate key_dict with expanded values
for key in key_dict:
for line in ipsfile_output:
parts = shlex.split(line)
if key + ":" in parts:
key_dict[key] = parts[1]
#Parse user defined scripts by section and store them in script_dict
found_data = False
code_section = ['%build', '%prep', '%install', '%transforms']
for section in code_section:
for line in ipsfile_output:
if not line:
continue
if line.startswith('#'):
continue
parts = shlex.split(line)
if '%end' in parts:
found_data = False
if section in parts:
found_data = True
continue
if found_data:
script_dict[section.strip('%')].append(parts)
#Assign completed dictionaries to global class scope
self.key_dict = key_dict
self.script_dict = script_dict
if not self.check_keywords():
exit(1)
def check_keywords(self):
"""Validate SPEC file's FMRI section
"""
mandatory = ['arch', 'classification', 'description', 'group',
'license', 'maintainer', 'name', 'release', 'source_url', 'summary',
'version']
#Get list of keys without data
for k, v in sorted(self.key_dict.items()):
if k in mandatory and not v:
print("Mandatory keyword \'{}\' has no value".format(k))
return False
return True
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