1 # Copyright (C) 2006, Thomas Leonard
2 # See http://0install.net/0compile.html
4 import os
, sys
, shutil
, traceback
6 from os
.path
import join
7 from logging
import info
10 from zeroinstall
.injector
import model
, selections
, qdom
11 from zeroinstall
.injector
.arch
import canonicalize_os
, canonicalize_machine
13 from zeroinstall
.injector
.iface_cache
import iface_cache
14 from zeroinstall
import SafeException
15 from zeroinstall
.zerostore
import Store
, NotStored
19 ENV_FILE
= '0compile.properties'
20 XMLNS_0COMPILE
= 'http://zero-install.sourceforge.net/2006/namespaces/0compile'
22 zeroinstall_dir
= os
.environ
.get('0COMPILE_ZEROINSTALL', None)
24 launch_prog
= [os
.path
.join(zeroinstall_dir
, '0launch')]
26 launch_prog
= ['0launch']
28 if os
.path
.isdir('dependencies'):
29 dep_dir
= os
.path
.realpath('dependencies')
30 iface_cache
.stores
.stores
.append(Store(dep_dir
))
31 launch_prog
+= ['--with-store', dep_dir
]
38 def is_package_impl(impl
):
39 return impl
.id.startswith("package:")
41 def lookup(impl_or_sel
):
43 if id.startswith('/'):
46 raise SafeException("Directory '%s' no longer exists. Try '0compile setup'" % id)
48 return iface_cache
.stores
.lookup_any(impl_or_sel
.digests
)
50 raise NotStored(str(ex
) + "\nHint: try '0compile setup'")
52 def ensure_dir(d
, clean
= False):
60 raise SafeException("'%s' exists, but is not a directory!" % d
)
63 def find_in_path(prog
):
64 for d
in os
.environ
['PATH'].split(':'):
65 path
= os
.path
.join(d
, prog
)
66 if os
.path
.isfile(path
):
70 def spawn_and_check(prog
, args
):
71 status
= os
.spawnv(os
.P_WAIT
, prog
, [prog
] + args
)
73 raise SafeException("Program '%s' failed with exit code %d" % (prog
, status
))
75 raise SafeException("Program '%s' failed with signal %d" % (prog
, -status
))
77 def wait_for_child(child
):
78 """Wait for child to exit and reap it. Throw an exception if it doesn't return success."""
79 pid
, status
= os
.waitpid(child
, 0)
81 if os
.WIFEXITED(status
):
82 exit_code
= os
.WEXITSTATUS(status
)
86 raise SafeException('Command failed with exit status %d' % exit_code
)
88 raise SafeException('Command failed with signal %d' % os
.WTERMSIG(status
))
90 def spawn_maybe_sandboxed(readable
, writable
, tmpdir
, prog
, args
):
95 exec_maybe_sandboxed(readable
, writable
, tmpdir
, prog
, args
)
99 print >>sys
.stderr
, "Exec failed"
101 wait_for_child(child
)
103 def exec_maybe_sandboxed(readable
, writable
, tmpdir
, prog
, args
):
104 """execl prog, with (only) the 'writable' directories writable if sandboxing is available.
105 The readable directories will be readable, as well as various standard locations.
106 If no sandbox is available, run without a sandbox."""
108 USE_PLASH
= 'USE_PLASH_0COMPILE'
110 assert prog
.startswith('/')
111 _pola_run
= find_in_path('pola-run')
113 if _pola_run
is None:
114 print "Not using sandbox (plash not installed)"
117 use_plash
= os
.environ
.get(USE_PLASH
, '').lower() or 'not set'
118 if use_plash
in ('not set', 'false'):
119 print "Not using plash: $%s is %s" % (USE_PLASH
, use_plash
)
121 elif use_plash
== 'true':
124 raise Exception('$%s must be "true" or "false", not "%s"' % (USE_PLASH
, use_plash
))
127 os
.execlp(prog
, prog
, *args
)
129 print "Using plash to sandbox the build..."
131 # We have pola-shell :-)
132 pola_args
= ['--prog', prog
, '-B']
134 pola_args
+= ['-a', a
]
136 pola_args
+= ['-f', r
]
138 pola_args
+= ['-fw', w
]
139 pola_args
+= ['-tw', '/tmp', tmpdir
]
140 os
.environ
['TMPDIR'] = '/tmp'
141 os
.execl(_pola_run
, _pola_run
, *pola_args
)
145 target_os
= canonicalize_os(uname
[0])
146 target_machine
= canonicalize_machine(uname
[4])
147 if target_os
== 'Darwin' and target_machine
== 'i386':
148 # this system detection shell script comes from config.guess (20090918):
149 CC
= os
.getenv("CC_FOR_BUILD") or os
.getenv("CC") or os
.getenv("HOST_CC") or "cc"
150 process
= subprocess
.Popen("(echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | " +
151 "(CCOPTS= %s -E - 2>/dev/null) | " % CC
+
152 "grep IS_64BIT_ARCH >/dev/null", stdout
=subprocess
.PIPE
, shell
=True)
153 output
, error
= process
.communicate()
154 retcode
= process
.poll()
156 target_machine
='x86_64'
157 if target_machine
in ('i585', 'i686'):
158 target_machine
= 'i486' # (sensible default)
159 return target_os
+ '-' + target_machine
162 def __init__(self
, need_config
= True):
163 if need_config
and not os
.path
.isfile(ENV_FILE
):
164 raise SafeException("Run 0compile from a directory containing a '%s' file" % ENV_FILE
)
166 self
.config
= ConfigParser
.RawConfigParser()
167 self
.config
.add_section('compile')
168 self
.config
.set('compile', 'download-base-url', '')
169 self
.config
.set('compile', 'version-modifier', '')
170 self
.config
.set('compile', 'interface', '')
171 self
.config
.set('compile', 'selections', '')
172 self
.config
.set('compile', 'metadir', '0install')
173 self
.config
.set('compile', 'distdir', '')
175 self
.config
.read(ENV_FILE
)
177 self
._selections
= None
182 def iface_name(self
):
183 iface_name
= os
.path
.basename(self
.interface
)
184 if iface_name
.endswith('.xml'):
185 iface_name
= iface_name
[:-4]
186 iface_name
= iface_name
.replace(' ', '-')
187 if iface_name
.endswith('-src'):
188 iface_name
= iface_name
[:-4]
191 interface
= property(lambda self
: model
.canonical_iface_uri(self
.config
.get('compile', 'interface')))
195 distdir_name
= self
.config
.get('compile', 'distdir') or \
196 '%s-%s' % (self
.iface_name
.lower(), get_arch_name().lower())
197 assert '/' not in distdir_name
198 return os
.path
.realpath(distdir_name
)
202 metadir
= self
.config
.get('compile', 'metadir')
203 assert not metadir
.startswith('/')
204 return join(self
.distdir
, metadir
)
207 def local_iface_file(self
):
208 return join(self
.metadir
, self
.iface_name
+ '.xml')
211 def target_arch(self
):
212 return get_arch_name()
215 def version_modifier(self
):
216 vm
= self
.config
.get('compile', 'version-modifier')
223 def archive_stem(self
):
224 # Use the version that we actually built, not the version we would build now
225 feed
= self
.load_built_feed()
226 assert len(feed
.implementations
) == 1
227 version
= feed
.implementations
.values()[0].get_version()
229 # Don't use the feed's name, as it may contain the version number
230 name
= feed
.get_name().lower().replace(' ', '-')
232 return '%s-%s-%s' % (name
, self
.target_arch
.lower(), version
)
234 def load_built_feed(self
):
235 path
= self
.local_iface_file
238 feed
= model
.ZeroInstallFeed(qdom
.parse(stream
), local_path
= path
)
243 def load_built_selections(self
):
244 path
= join(self
.metadir
, 'build-environment.xml')
245 if os
.path
.exists(path
):
248 return selections
.Selections(qdom
.parse(stream
))
254 def download_base_url(self
):
255 return self
.config
.get('compile', 'download-base-url')
257 def chosen_impl(self
, uri
):
258 sels
= self
.get_selections()
259 assert uri
in sels
.selections
260 return sels
.selections
[uri
]
263 def local_download_iface(self
):
264 impl
, = self
.load_built_feed().implementations
.values()
265 return '%s-%s.xml' % (self
.iface_name
, impl
.get_version())
268 stream
= file(ENV_FILE
, 'w')
270 self
.config
.write(stream
)
274 def get_selections(self
, prompt
= False):
277 return self
._selections
279 selections_file
= self
.config
.get('compile', 'selections')
282 raise SafeException("Selections are fixed by %s" % selections_file
)
283 stream
= file(selections_file
)
285 self
._selections
= selections
.Selections(qdom
.parse(stream
))
288 from zeroinstall
.injector
import handler
, policy
290 h
= handler
.ConsoleHandler()
292 h
= handler
.Handler()
293 config
= policy
.load_config(h
)
294 blocker
= self
._selections
.download_missing(config
)
296 print "Waiting for selected implementations to be downloaded..."
297 h
.wait_for_blocker(blocker
)
300 if prompt
and '--console' not in launch_prog
:
301 options
.append('--gui')
302 child
= subprocess
.Popen(launch_prog
+ ['--source', '--get-selections'] + options
+ [self
.interface
], stdout
= subprocess
.PIPE
)
304 self
._selections
= selections
.Selections(qdom
.parse(child
.stdout
))
307 raise SafeException("0launch --get-selections failed (exit code %d)" % child
.returncode
)
309 self
.root_impl
= self
._selections
.selections
[self
.interface
]
311 self
.orig_srcdir
= os
.path
.realpath(lookup(self
.root_impl
))
312 self
.user_srcdir
= None
314 if os
.path
.isdir('src'):
315 self
.user_srcdir
= os
.path
.realpath('src')
316 if self
.user_srcdir
== self
.orig_srcdir
or \
317 self
.user_srcdir
.startswith(self
.orig_srcdir
+ '/') or \
318 self
.orig_srcdir
.startswith(self
.user_srcdir
+ '/'):
319 info("Ignoring 'src' directory because it coincides with %s",
321 self
.user_srcdir
= None
323 return self
._selections
325 def get_build_changes(self
):
326 sels
= self
.get_selections()
327 old_sels
= self
.load_built_selections()
330 # See if things have changed since the last build
331 all_ifaces
= set(sels
.selections
) |
set(old_sels
.selections
)
333 old_impl
= old_sels
.selections
.get(x
, no_impl
)
334 new_impl
= sels
.selections
.get(x
, no_impl
)
335 if old_impl
.version
!= new_impl
.version
:
336 changes
.append("Version change for %s: %s -> %s" % (x
, old_impl
.version
, new_impl
.version
))
337 elif old_impl
.id != new_impl
.id:
338 changes
.append("Version change for %s: %s -> %s" % (x
, old_impl
.id, new_impl
.id))
342 root
= node
.ownerDocument
.documentElement
344 while node
and node
is not root
:
345 node
= node
.parentNode
350 if s
== 'true': return True
351 if s
== 'false': return False
352 raise SafeException('Expected "true" or "false" but got "%s"' % s
)