aboutsummaryrefslogtreecommitdiff
blob: 41d3a309be40270d4dab5efa834bb48087ff0046 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
# -*- coding: utf-8 -*-

"""
    ebuild.py
    ~~~~~~~~~
    
    This module implements a Python class responsible to create the ebuilds
    for the octave-forge packages and track the dependencies correctly.
    
    :copyright: (c) 2009-2010 by Rafael Goncalves Martins
    :license: GPL-2, see LICENSE for more details.
"""

from __future__ import absolute_import

__all__ = [
    'Ebuild',
    're_keywords',
]

from .config import Config
from .description import *
from .description_tree import *
from .exception import EbuildException
from .compat import open

import os
import portage
import re
import shutil
import subprocess

from portage.versions import vercmp

out = portage.output.EOutput()

# validating keywords (based on the keywords from the sci-mathematics/octave package)
re_keywords = re.compile(r'(~)?(alpha|amd64|hppa|ppc64|ppc|sparc|x86)')

class Ebuild:
    
    def __init__(self, pkg_atom, force=False, scm=False, conf=None, pkg_manager=None):
        
        self.__scm = scm
        self.__force = force
        self.__conf = conf
        self.__pkg_manager = pkg_manager
        
        if conf is None:
            conf = Config()
        
        self._config = conf
        
        self.__dbtree = DescriptionTree(conf = self._config)
        
        atom = re_pkg_atom.match(pkg_atom)
        if atom == None:
            self.pkgname = pkg_atom
            self.version = self.__dbtree.latest_version(self.pkgname)
        else:
            self.pkgname = atom.group(1)
            self.version = atom.group(2)
        
        if self.__scm:
            self.version = '9999'
            category = self.__dbtree.categories.get(self.pkgname, None)
            if category is not None:
                self.__desc = SvnDescription(category, self.pkgname)
            else:
                raise EbuildException('Failed to find the octave-forge category of this package.')
        else:
            self.__desc = self.__dbtree['%s-%s' % (self.pkgname, self.version)]
        
        if self.__desc == None:
            raise EbuildException('Package not found: %s' % pkg_atom)
        

    def description(self):
        
        return self.__desc


    def create(self, display_info=True, accept_keywords=None, manifest=True, nodeps=False):
        
        my_ebuild = os.path.join(
            self._config.overlay,
            'g-octave',
            '%s' % self.pkgname,
            '%s-%s.ebuild' % (self.pkgname, self.version)
        )
        
        if not os.path.exists(my_ebuild) or self.__force:
            
            if display_info:
                out.einfo('Creating ebuild: g-octave/%s-%s.ebuild' % (self.pkgname, self.version))
            
            try:
                my_atom, my_catpkg = self.__create(accept_keywords, manifest)
            except Exception as error:
                if display_info:
                    out.eerror('Failed to create: g-octave/%s-%s.ebuild' % (self.pkgname, self.version))
                raise EbuildException(error)
            else:
                if not nodeps:
                    self.__resolve_dependencies()
                return my_atom, my_catpkg
        
        else:
            return (
                '=g-octave/%s-%s' % (self.pkgname, self.version),
                'g-octave/%s' % self.pkgname,
            )


    def __create(self, accept_keywords=None, manifest=True):
        
        ebuild_path = os.path.join(self._config.overlay, 'g-octave', self.pkgname)
        ebuild_file = os.path.join(ebuild_path, '%s-%s.ebuild' % (self.pkgname, self.version))
        
        if not os.path.exists(ebuild_path):
            os.makedirs(ebuild_path, 0o755)
        
        ebuild = """\
# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# This ebuild was generated by g-octave

EAPI="3"

G_OCTAVE_CAT="%(category)s"

inherit g-octave%(eutils)s

DESCRIPTION="%(description)s"
HOMEPAGE="%(url)s"

LICENSE="|| ( GPL-2 GPL-3 LGPL BSD GFDL )"
SLOT="0"
KEYWORDS="%(keywords)s"
IUSE=""

DEPEND="%(depend)s"
RDEPEND="${DEPEND}
\t%(rdepend)s"
"""
        
        description = len(self.__desc.description) > 70 and \
            self.__desc.description[:70]+'...' or self.__desc.description
        
        if accept_keywords is None:
            accept_keywords = portage.settings['ACCEPT_KEYWORDS']
        
        category = self.__dbtree.categories.get(self.pkgname, '')
        
        vars = {
            'eutils': '',
            'description': description,
            'url': self.__desc.url,
            'keywords': self.__keywords(accept_keywords),
            'category': category,
            'depend': '',
            'rdepend': '',
        }
        
        vars['depend']   = self.__depends(self.__desc.buildrequires)
        
        systemrequirements = self.__depends(self.__desc.systemrequirements)
        if systemrequirements != '':
            vars['depend']  += "\n\t"+systemrequirements
        
        vars['rdepend']  = self.__depends(self.__desc.depends)
        
        patches = self.__search_patches()
        
        if len(patches) > 0:
            
            # WOW, we have patches :(
            
            patchesdir = os.path.join(self._config.db, 'patches')
            filesdir = os.path.join(self._config.overlay, 'g-octave', self.pkgname, 'files')
            if not os.path.exists(filesdir):
                os.makedirs(filesdir, 0o755)
            
            patch_string = ''
            for patch in patches:
                patch_string += "\n\tepatch \"${FILESDIR}/%s\"" % patch
                shutil.copy2(os.path.join(patchesdir, patch), filesdir)
            
            ebuild += "\nsrc_prepare() {%s\n\tg-octave_src_prepare\n}\n" % patch_string
            vars['eutils'] = ' eutils'
            
        with open(ebuild_file, 'w') as fp:
            fp.write(ebuild % vars)
        
        if manifest:
            proc = self.__pkg_manager.create_manifest(ebuild_file)
            
            if proc != os.EX_OK:
                raise EbuildException('Failed to create Manifest file!')
        
        return (
            '=g-octave/%s-%s' % (self.pkgname, self.version),
            'g-octave/%s' % self.pkgname,
        )
        
    
    def __keywords(self, accept_keywords):
        
        if self.__scm:
            return ''
        
        keywords = [i.strip() for i in accept_keywords.split(' ')]
        
        stable = []
        unstable = []
        
        for keyword in keywords:
            match = re_keywords.match(keyword)
            if match == None:
                raise EbuildException('Invalid keyword: %s' % keyword)
            if match.group(1) == None:
                stable.append(match.group(2))
            else:
                unstable.append(match.group(2))
        
        final = ['~'+i for i in unstable]
        
        for keyword in stable:
            if keyword not in unstable:
                final.append(keyword)
        
        return ' '.join(final)
    
    
    def __depends(self, mylist):
        
        if mylist != None:
            return "\n\t".join(mylist)
        
        return ''


    def __search_patches(self):
        
        patches_dir = os.path.join(self._config.db, 'patches')
        
        if not os.path.exists(patches_dir):
            return []
        
        tmp = []
        
        for patch in os.listdir(patches_dir):
            if re.match(r'^([0-9]{3})_%s-%s' % (self.pkgname, self.version), patch):
                tmp.append(patch)
        
        tmp.sort()
        
        return tmp


    def __resolve_dependencies(self):
        
        to_install = []
        
        for pkg, comp, version in self.__desc.self_depends:
            
            # no version required, get the latest available
            if version == None:
                to_install.append('%s-%s' % (pkg, self.__dbtree.latest_version(pkg)))
                continue
            
            # here we need to calculate the better version to install
            versions = self.__dbtree.package_versions(pkg)
            
            allowed_versions = []
            
            for _version in versions:
                comparation = vercmp(_version, version)
                if eval('%s %s 0' % (comparation, comp)):
                    allowed_versions.append(_version)
                
            to_install.append('%s-%s' % (pkg, self.__dbtree.version_compare(allowed_versions)))
            
            if len(allowed_versions) == 0:
                raise EbuildException('Can\'t resolve a dependency: %s' % pkg)
        
        # creating the ebuilds for the dependencies, recursivelly
        for ebuild in to_install:
            Ebuild(
                ebuild,
                force = self.__force,
                conf = self.__conf,
                pkg_manager = self.__pkg_manager,
                scm = self.__scm
            ).create()