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
|
"""
A package is a set of files, situated in a root directory.
A package can be installed into a repository.
A package is supposed to be created by a package source from a set of files.
A package is supposed to know, where it came from.
"""
from os import path, walk, makedirs
from shutil import copy2
import subprocess
from patch import PatchSet
from pomu.util.fs import strip_prefix
from pomu.util.misc import list_add
from pomu.util.result import Result
class Package():
def __init__(self, name, root, backend=None, category=None, version=None, slot='0', d_path=None, files=None, filemap=None, patches=[]):
"""
Parameters:
backend - specific source module object/class
name - name of the package
root - root path of the repository (if applicable)
d_path - a subdirectory of the root path, which would be sourced recursively.
could be a relative or an absolute path
files - a set of files to build a package from
filemap - a mapping from destination files to files in the filesystem
category, version, slot - self-descriptive
"""
self.backend = backend
self.name = name
self.root = root
self.category = category
self.version = version
self.slot = slot
self.filemap = {}
self.patches = patches
if d_path is None and files is None and filemap is None:
self.d_path = None
self.read_path(self.root)
elif d_path:
self.d_path = self.strip_root(d_path)
self.read_path(path.join(self.root, self.d_path))
elif files:
for f in files:
dst = self.strip_root(f)
self.filemap[dst] = path.join(self.root, dst)
elif filemap:
self.filemap = filemap
else:
raise ValueError('You should specify either d_path, files or filemap')
@property
def files(self):
res = []
for k in self.filemap:
res.append(path.split(k))
return res
@property
def ebuild_path(self):
return path.join(self.category, self.name, '{}-{}.ebuild'.format(self.name, self.version))
def strip_root(self, d_path):
"""Strip the root component of d_path"""
# the path should be either relative, or a child of root
if d_path.startswith('/'):
if path.commonprefix([d_path, self.root]) != self.root:
raise ValueError('Path should be a subdirectory of root')
return strip_prefix(strip_prefix(d_path, self.root), '/')
return d_path
def read_path(self, d_path):
"""Recursively add files from a subtree (specified by d_path)"""
for wd, dirs, files in walk(d_path):
wd = self.strip_root(wd)
self.filemap.update({path.join(wd, f): path.join(self.root, wd, f) for f in files})
def merge_into(self, dst):
"""Merges contents of the package into a specified directory (dst)"""
for trg, src in self.filemap.items():
wd, filename = path.split(trg)
dest = path.join(dst, wd)
try:
makedirs(dest, exist_ok=True)
if isinstance(src, bytes):
with open(path.join(dest, filename), 'wb') as f:
f.write(src)
else:
copy2(src, dest)
except PermissionError:
return Result.Err('You do not have enough permissions')
return Result.Ok().and_(self.apply_patches())
def patch(self, patch):
list_add(self.patches, patch)
def apply_patches(self, revert=False):
"""Applies a sequence of patches at the root (after merging)"""
ps = PatchSet()
for p in self.patches:
ps.parse(open(p, 'r'))
for patch in ps:
if '.ebuild' in ps.target:
ps.source = self.ebuild_path
ps.target = self.ebuild_path
elif '/files/' in ps.target:
comps = ps.target.split('/')
comps = [self.category, self.name] + comps[comps.index('files'):]
ps.target = '/'.join(comps)
if not ps.source.split('/'[-2:] == ['dev', 'null']):
ps.source = '/'.join(comps)
else:
pass
if revert:
ps.revert(root=self.root)
else:
ps.apply(root=self.root)
return Result.Ok()
def gen_manifests(self, dst):
"""
Generate manifests for the installed package (in the dst directory).
TODO: use portage APIs instead of calling repoman.
"""
dirs = [wd for wd, f in self.files if f.endswith('.ebuild')]
dirs = list(set(dirs))
res = []
for d_ in dirs:
d = path.join(dst, d_)
ret = subprocess.run(['repoman', 'manifest'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
cwd=d)
if ret.returncode != 0:
return Result.Err('Failed to generate manifest at ' + d)
if path.exists(path.join(d, 'Manifest')):
res.append(path.join(d, 'Manifest'))
return Result.Ok(res)
def __str__(self):
s = ''
if self.category:
s = self.category + '/'
s += self.name
if self.version:
s += '-' + self.version
if self.slot != '0':
s += self.slot
return s
class PatchList():
"""A class to represent a sequence of patches (can be merged in the repo)"""
def __init__(self, category, name, version, patches, slot='0'):
self.category = category
self.name = name
self.version = version
self.slot = slot
self.patches = patches
|
GitWeb