generic-poky/bitbake/lib/bb/fetch2/__init__.py

1086 lines
37 KiB
Python

# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
"""
BitBake 'Fetch' implementations
Classes for obtaining upstream sources for the
BitBake build tools.
"""
# Copyright (C) 2003, 2004 Chris Larson
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program 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 this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Based on functions from the base bb module, Copyright 2003 Holger Schurig
from __future__ import absolute_import
from __future__ import print_function
import os, re
import logging
import bb.data, bb.persist_data, bb.utils
from bb import data
__version__ = "2"
logger = logging.getLogger("BitBake.Fetcher")
class BBFetchException(Exception):
"""Class all fetch exceptions inherit from"""
def __init__(self, message):
self.msg = message
Exception.__init__(self, message)
def __str__(self):
return self.msg
class MalformedUrl(BBFetchException):
"""Exception raised when encountering an invalid url"""
def __init__(self, url):
msg = "The URL: '%s' is invalid and cannot be interpreted" % url
self.url = url
BBFetchException.__init__(self, msg)
self.args = url
class FetchError(BBFetchException):
"""General fetcher exception when something happens incorrectly"""
def __init__(self, message, url = None):
msg = "Fetcher failure for URL: '%s'. %s" % (url, message)
self.url = url
BBFetchException.__init__(self, msg)
self.args = (message, url)
class UnpackError(BBFetchException):
"""General fetcher exception when something happens incorrectly when unpacking"""
def __init__(self, message, url):
msg = "Unpack failure for URL: '%s'. %s" % (url, message)
self.url = url
BBFetchException.__init__(self, msg)
self.args = (message, url)
class NoMethodError(BBFetchException):
"""Exception raised when there is no method to obtain a supplied url or set of urls"""
def __init__(self, url):
msg = "Could not find a fetcher which supports the URL: '%s'" % url
self.url = url
BBFetchException.__init__(self, msg)
self.args = url
class MissingParameterError(BBFetchException):
"""Exception raised when a fetch method is missing a critical parameter in the url"""
def __init__(self, missing, url):
msg = "URL: '%s' is missing the required parameter '%s'" % (url, missing)
self.url = url
self.missing = missing
BBFetchException.__init__(self, msg)
self.args = (missing, url)
class ParameterError(BBFetchException):
"""Exception raised when a url cannot be proccessed due to invalid parameters."""
def __init__(self, message, url):
msg = "URL: '%s' has invalid parameters. %s" % (url, message)
self.url = url
BBFetchException.__init__(self, msg)
self.args = (message, url)
class MD5SumError(BBFetchException):
"""Exception raised when a MD5 checksum of a file does not match for a downloaded file"""
def __init__(self, path, wanted, got, url):
msg = "File: '%s' has md5 checksum %s when %s was expected (from URL: '%s')" % (path, got, wanted, url)
self.url = url
self.path = path
self.wanted = wanted
self.got = got
BBFetchException.__init__(self, msg)
self.args = (path, wanted, got, url)
class SHA256SumError(MD5SumError):
"""Exception raised when a SHA256 checksum of a file does not match for a downloaded file"""
def __init__(self, path, wanted, got, url):
msg = "File: '%s' has sha256 checksum %s when %s was expected (from URL: '%s')" % (path, got, wanted, url)
self.url = url
self.path = path
self.wanted = wanted
self.got = got
BBFetchException.__init__(self, msg)
self.args = (path, wanted, got, url)
class NetworkAccess(BBFetchException):
"""Exception raised when network access is disabled but it is required."""
def __init__(self, url, cmd):
msg = "Network access disabled through BB_NO_NETWORK but access rquested with command %s (for url %s)" % (cmd, url)
self.url = url
self.cmd = cmd
BBFetchException.__init__(self, msg)
self.args = (url, cmd)
def decodeurl(url):
"""Decodes an URL into the tokens (scheme, network location, path,
user, password, parameters).
"""
m = re.compile('(?P<type>[^:]*)://((?P<user>.+)@)?(?P<location>[^;]+)(;(?P<parm>.*))?').match(url)
if not m:
raise MalformedUrl(url)
type = m.group('type')
location = m.group('location')
if not location:
raise MalformedUrl(url)
user = m.group('user')
parm = m.group('parm')
locidx = location.find('/')
if locidx != -1 and type.lower() != 'file':
host = location[:locidx]
path = location[locidx:]
else:
host = ""
path = location
if user:
m = re.compile('(?P<user>[^:]+)(:?(?P<pswd>.*))').match(user)
if m:
user = m.group('user')
pswd = m.group('pswd')
else:
user = ''
pswd = ''
p = {}
if parm:
for s in parm.split(';'):
s1, s2 = s.split('=')
p[s1] = s2
return (type, host, path, user, pswd, p)
def encodeurl(decoded):
"""Encodes a URL from tokens (scheme, network location, path,
user, password, parameters).
"""
(type, host, path, user, pswd, p) = decoded
if not path:
raise MissingParameterError('path', "encoded from the data %s" % str(decoded))
if not type:
raise MissingParameterError('type', "encoded from the data %s" % str(decoded))
url = '%s://' % type
if user and type != "file":
url += "%s" % user
if pswd:
url += ":%s" % pswd
url += "@"
if host and type != "file":
url += "%s" % host
url += "%s" % path
if p:
for parm in p:
url += ";%s=%s" % (parm, p[parm])
return url
def uri_replace(ud, uri_find, uri_replace, d):
if not ud.url or not uri_find or not uri_replace:
logger.debug(1, "uri_replace: passed an undefined value, not replacing")
uri_decoded = list(decodeurl(ud.url))
uri_find_decoded = list(decodeurl(uri_find))
uri_replace_decoded = list(decodeurl(uri_replace))
logger.debug(2, "For url %s comparing %s to %s" % (uri_decoded, uri_find_decoded, uri_replace_decoded))
result_decoded = ['', '', '', '', '', {}]
for i in uri_find_decoded:
loc = uri_find_decoded.index(i)
result_decoded[loc] = uri_decoded[loc]
if isinstance(i, basestring):
if (re.match(i, uri_decoded[loc])):
if not uri_replace_decoded[loc]:
result_decoded[loc] = ""
else:
result_decoded[loc] = re.sub(i, uri_replace_decoded[loc], uri_decoded[loc])
if uri_find_decoded.index(i) == 2:
if ud.mirrortarball:
if result_decoded[loc].endswith("/"):
result_decoded[loc] = os.path.dirname(result_decoded[loc])
result_decoded[loc] = os.path.join(result_decoded[loc], os.path.basename(ud.mirrortarball))
elif ud.localpath:
if result_decoded[loc].endswith("/"):
result_decoded[loc] = os.path.dirname(result_decoded[loc])
result_decoded[loc] = os.path.join(result_decoded[loc], os.path.basename(ud.localpath))
else:
return ud.url
result = encodeurl(result_decoded)
logger.debug(2, "For url %s returning %s" % (ud.url, result))
return result
methods = []
urldata_cache = {}
saved_headrevs = {}
def fetcher_init(d):
"""
Called to initialize the fetchers once the configuration data is known.
Calls before this must not hit the cache.
"""
# When to drop SCM head revisions controlled by user policy
srcrev_policy = bb.data.getVar('BB_SRCREV_POLICY', d, True) or "clear"
if srcrev_policy == "cache":
logger.debug(1, "Keeping SRCREV cache due to cache policy of: %s", srcrev_policy)
elif srcrev_policy == "clear":
logger.debug(1, "Clearing SRCREV cache due to cache policy of: %s", srcrev_policy)
revs = bb.persist_data.persist('BB_URI_HEADREVS', d)
try:
bb.fetch2.saved_headrevs = revs.items()
except:
pass
revs.clear()
else:
raise FetchError("Invalid SRCREV cache policy of: %s" % srcrev_policy)
for m in methods:
if hasattr(m, "init"):
m.init(d)
def fetcher_compare_revisions(d):
"""
Compare the revisions in the persistant cache with current values and
return true/false on whether they've changed.
"""
data = bb.persist_data.persist('BB_URI_HEADREVS', d).items()
data2 = bb.fetch2.saved_headrevs
changed = False
for key in data:
if key not in data2 or data2[key] != data[key]:
logger.debug(1, "%s changed", key)
changed = True
return True
else:
logger.debug(2, "%s did not change", key)
return False
def mirror_from_string(data):
return [ i.split() for i in (data or "").replace('\\n','\n').split('\n') if i ]
def verify_checksum(u, ud, d):
"""
verify the MD5 and SHA256 checksum for downloaded src
return value:
- True: checksum matched
- False: checksum unmatched
if checksum is missing in recipes file, "BB_STRICT_CHECKSUM" decide the return value.
if BB_STRICT_CHECKSUM = "1" then return false as unmatched, otherwise return true as
matched
"""
if not ud.type in ["http", "https", "ftp", "ftps"]:
return
md5data = bb.utils.md5_file(ud.localpath)
sha256data = bb.utils.sha256_file(ud.localpath)
if (ud.md5_expected == None or ud.sha256_expected == None):
logger.warn('Missing SRC_URI checksum for %s, consider adding to the recipe:\n'
'SRC_URI[%s] = "%s"\nSRC_URI[%s] = "%s"',
ud.localpath, ud.md5_name, md5data,
ud.sha256_name, sha256data)
if bb.data.getVar("BB_STRICT_CHECKSUM", d, True) == "1":
raise FetchError("No checksum specified for %s." % u, u)
return
if ud.md5_expected != md5data:
raise MD5SumError(ud.localpath, ud.md5_expected, md5data, u)
if ud.sha256_expected != sha256data:
raise SHA256SumError(ud.localpath, ud.sha256_expected, sha256data, u)
def update_stamp(u, ud, d):
"""
donestamp is file stamp indicating the whole fetching is done
this function update the stamp after verifying the checksum
"""
if os.path.exists(ud.donestamp):
# Touch the done stamp file to show active use of the download
try:
os.utime(ud.donestamp, None)
except:
# Errors aren't fatal here
pass
else:
verify_checksum(u, ud, d)
open(ud.donestamp, 'w').close()
def subprocess_setup():
import signal
# Python installs a SIGPIPE handler by default. This is usually not what
# non-Python subprocesses expect.
# SIGPIPE errors are known issues with gzip/bash
signal.signal(signal.SIGPIPE, signal.SIG_DFL)
def get_autorev(d):
# only not cache src rev in autorev case
if bb.data.getVar('BB_SRCREV_POLICY', d, True) != "cache":
bb.data.setVar('__BB_DONT_CACHE', '1', d)
return "AUTOINC"
def get_srcrev(d):
"""
Return the version string for the current package
(usually to be used as PV)
Most packages usually only have one SCM so we just pass on the call.
In the multi SCM case, we build a value based on SRCREV_FORMAT which must
have been set.
"""
scms = []
fetcher = Fetch(bb.data.getVar('SRC_URI', d, True).split(), d)
urldata = fetcher.ud
for u in urldata:
if urldata[u].method.supports_srcrev():
scms.append(u)
if len(scms) == 0:
raise FetchError("SRCREV was used yet no valid SCM was found in SRC_URI")
if len(scms) == 1 and len(urldata[scms[0]].names) == 1:
return urldata[scms[0]].method.sortable_revision(scms[0], urldata[scms[0]], d, urldata[scms[0]].names[0])
#
# Mutiple SCMs are in SRC_URI so we resort to SRCREV_FORMAT
#
format = bb.data.getVar('SRCREV_FORMAT', d, True)
if not format:
raise FetchError("The SRCREV_FORMAT variable must be set when multiple SCMs are used.")
for scm in scms:
ud = urldata[scm]
for name in ud.names:
rev = ud.method.sortable_revision(scm, ud, d, name)
format = format.replace(name, rev)
return format
def localpath(url, d):
fetcher = bb.fetch2.Fetch([url], d)
return fetcher.localpath(url)
def runfetchcmd(cmd, d, quiet = False, cleanup = []):
"""
Run cmd returning the command output
Raise an error if interrupted or cmd fails
Optionally echo command output to stdout
Optionally remove the files/directories listed in cleanup upon failure
"""
# Need to export PATH as binary could be in metadata paths
# rather than host provided
# Also include some other variables.
# FIXME: Should really include all export varaiables?
exportvars = ['PATH', 'GIT_PROXY_COMMAND', 'GIT_PROXY_HOST',
'GIT_PROXY_PORT', 'GIT_CONFIG', 'http_proxy', 'ftp_proxy',
'https_proxy', 'no_proxy', 'ALL_PROXY', 'all_proxy',
'SSH_AUTH_SOCK', 'SSH_AGENT_PID', 'HOME',
'GIT_PROXY_IGNORE', 'SOCKS5_USER', 'SOCKS5_PASSWD']
for var in exportvars:
val = bb.data.getVar(var, d, True)
if val:
cmd = 'export ' + var + '=\"%s\"; %s' % (val, cmd)
logger.debug(1, "Running %s", cmd)
# redirect stderr to stdout
stdout_handle = os.popen(cmd + " 2>&1", "r")
output = ""
while True:
line = stdout_handle.readline()
if not line:
break
if not quiet:
print(line, end=' ')
output += line
status = stdout_handle.close() or 0
signal = status >> 8
exitstatus = status & 0xff
if (signal or status != 0):
for f in cleanup:
try:
bb.utils.remove(f, True)
except OSError:
pass
if signal:
raise FetchError("Fetch command %s failed with signal %s, output:\n%s" % (cmd, signal, output))
elif status != 0:
raise FetchError("Fetch command %s failed with exit code %s, output:\n%s" % (cmd, status, output))
return output
def check_network_access(d, info = "", url = None):
"""
log remote network access, and error if BB_NO_NETWORK is set
"""
if bb.data.getVar("BB_NO_NETWORK", d, True) == "1":
raise NetworkAccess(url, info)
else:
logger.debug(1, "Fetcher accessed the network with the command %s" % info)
def try_mirrors(d, origud, mirrors, check = False):
"""
Try to use a mirrored version of the sources.
This method will be automatically called before the fetchers go.
d Is a bb.data instance
uri is the original uri we're trying to download
mirrors is the list of mirrors we're going to try
"""
ld = d.createCopy()
for line in mirrors:
try:
(find, replace) = line
except ValueError:
continue
newuri = uri_replace(origud, find, replace, ld)
if newuri == origud.url:
continue
try:
ud = FetchData(newuri, ld)
ud.setup_localpath(ld)
if check:
found = ud.method.checkstatus(newuri, ud, ld)
if found:
return found
continue
if ud.method.need_update(newuri, ud, ld):
ud.method.download(newuri, ud, ld)
if hasattr(ud.method,"build_mirror_data"):
ud.method.build_mirror_data(newuri, ud, ld)
if not ud.localpath or not os.path.exists(ud.localpath):
continue
if ud.localpath == origud.localpath:
return ud.localpath
# We may be obtaining a mirror tarball which needs further processing by the real fetcher
# If that tarball is a local file:// we need to provide a symlink to it
dldir = ld.getVar("DL_DIR", True)
if os.path.basename(ud.localpath) != os.path.basename(origud.localpath):
dest = os.path.join(dldir, os.path.basename(ud.localpath))
if not os.path.exists(dest):
os.symlink(ud.localpath, dest)
return None
# Otherwise the result is a local file:// and we symlink to it
if not os.path.exists(origud.localpath):
os.symlink(ud.localpath, origud.localpath)
return ud.localpath
except bb.fetch2.NetworkAccess:
raise
except bb.fetch2.BBFetchException as e:
logger.debug(1, "Mirror fetch failure for url %s (original url: %s)" % (newuri, origud.url))
logger.debug(1, str(e))
try:
if os.path.isfile(ud.localpath):
bb.utils.remove(ud.localpath)
except UnboundLocalError:
pass
continue
return None
def srcrev_internal_helper(ud, d, name):
"""
Return:
a) a source revision if specified
b) latest revision if SRCREV="AUTOINC"
c) None if not specified
"""
if 'rev' in ud.parm:
return ud.parm['rev']
if 'tag' in ud.parm:
return ud.parm['tag']
rev = None
pn = bb.data.getVar("PN", d, True)
if name != '':
rev = bb.data.getVar("SRCREV_%s_pn-%s" % (name, pn), d, True)
if not rev:
rev = bb.data.getVar("SRCREV_%s" % name, d, True)
if not rev:
rev = bb.data.getVar("SRCREV_pn-%s" % pn, d, True)
if not rev:
rev = bb.data.getVar("SRCREV", d, True)
if rev == "INVALID":
raise FetchError("Please set SRCREV to a valid value", ud.url)
if rev == "AUTOINC":
rev = ud.method.latest_revision(ud.url, ud, d, name)
return rev
class FetchData(object):
"""
A class which represents the fetcher state for a given URI.
"""
def __init__(self, url, d):
# localpath is the location of a downloaded result. If not set, the file is local.
self.donestamp = None
self.localfile = ""
self.localpath = None
self.lockfile = None
self.mirrortarball = None
self.basename = None
(self.type, self.host, self.path, self.user, self.pswd, self.parm) = decodeurl(data.expand(url, d))
self.date = self.getSRCDate(d)
self.url = url
if not self.user and "user" in self.parm:
self.user = self.parm["user"]
if not self.pswd and "pswd" in self.parm:
self.pswd = self.parm["pswd"]
self.setup = False
if "name" in self.parm:
self.md5_name = "%s.md5sum" % self.parm["name"]
self.sha256_name = "%s.sha256sum" % self.parm["name"]
else:
self.md5_name = "md5sum"
self.sha256_name = "sha256sum"
self.md5_expected = bb.data.getVarFlag("SRC_URI", self.md5_name, d)
self.sha256_expected = bb.data.getVarFlag("SRC_URI", self.sha256_name, d)
self.names = self.parm.get("name",'default').split(',')
self.method = None
for m in methods:
if m.supports(url, self, d):
self.method = m
break
if not self.method:
raise NoMethodError(url)
if hasattr(self.method, "urldata_init"):
self.method.urldata_init(self, d)
if "localpath" in self.parm:
# if user sets localpath for file, use it instead.
self.localpath = self.parm["localpath"]
self.basename = os.path.basename(self.localpath)
elif self.localfile:
self.localpath = self.method.localpath(self.url, self, d)
# Note: These files should always be in DL_DIR whereas localpath may not be.
basepath = bb.data.expand("${DL_DIR}/%s" % os.path.basename(self.localpath or self.basename), d)
self.donestamp = basepath + '.done'
self.lockfile = basepath + '.lock'
def setup_revisons(self, d):
self.revisions = {}
for name in self.names:
self.revisions[name] = srcrev_internal_helper(self, d, name)
# add compatibility code for non name specified case
if len(self.names) == 1:
self.revision = self.revisions[self.names[0]]
def setup_localpath(self, d):
if not self.localpath:
self.localpath = self.method.localpath(self.url, self, d)
def getSRCDate(self, d):
"""
Return the SRC Date for the component
d the bb.data module
"""
if "srcdate" in self.parm:
return self.parm['srcdate']
pn = bb.data.getVar("PN", d, True)
if pn:
return bb.data.getVar("SRCDATE_%s" % pn, d, True) or bb.data.getVar("SRCDATE", d, True) or bb.data.getVar("DATE", d, True)
return bb.data.getVar("SRCDATE", d, True) or bb.data.getVar("DATE", d, True)
class FetchMethod(object):
"""Base class for 'fetch'ing data"""
def __init__(self, urls = []):
self.urls = []
def supports(self, url, urldata, d):
"""
Check to see if this fetch class supports a given url.
"""
return 0
def localpath(self, url, urldata, d):
"""
Return the local filename of a given url assuming a successful fetch.
Can also setup variables in urldata for use in go (saving code duplication
and duplicate code execution)
"""
return os.path.join(data.getVar("DL_DIR", d, True), urldata.localfile)
def _strip_leading_slashes(self, relpath):
"""
Remove leading slash as os.path.join can't cope
"""
while os.path.isabs(relpath):
relpath = relpath[1:]
return relpath
def setUrls(self, urls):
self.__urls = urls
def getUrls(self):
return self.__urls
urls = property(getUrls, setUrls, None, "Urls property")
def need_update(self, url, ud, d):
"""
Force a fetch, even if localpath exists?
"""
if os.path.exists(ud.localpath):
return False
return True
def supports_srcrev(self):
"""
The fetcher supports auto source revisions (SRCREV)
"""
return False
def download(self, url, urldata, d):
"""
Fetch urls
Assumes localpath was called first
"""
raise NoMethodError(url)
def unpack(self, urldata, rootdir, data):
import subprocess
iterate = False
file = urldata.localpath
try:
unpack = bb.utils.to_boolean(urldata.parm.get('unpack'), True)
except ValueError as exc:
bb.fatal("Invalid value for 'unpack' parameter for %s: %s" %
(file, urldata.parm.get('unpack')))
dots = file.split(".")
if dots[-1] in ['gz', 'bz2', 'Z']:
efile = os.path.join(bb.data.getVar('WORKDIR', data, True),os.path.basename('.'.join(dots[0:-1])))
else:
efile = file
cmd = None
if unpack:
if file.endswith('.tar'):
cmd = 'tar x --no-same-owner -f %s' % file
elif file.endswith('.tgz') or file.endswith('.tar.gz') or file.endswith('.tar.Z'):
cmd = 'tar xz --no-same-owner -f %s' % file
elif file.endswith('.tbz') or file.endswith('.tbz2') or file.endswith('.tar.bz2'):
cmd = 'bzip2 -dc %s | tar x --no-same-owner -f -' % file
elif file.endswith('.gz') or file.endswith('.Z') or file.endswith('.z'):
cmd = 'gzip -dc %s > %s' % (file, efile)
elif file.endswith('.bz2'):
cmd = 'bzip2 -dc %s > %s' % (file, efile)
elif file.endswith('.tar.xz'):
cmd = 'xz -dc %s | tar x --no-same-owner -f -' % file
elif file.endswith('.xz'):
cmd = 'xz -dc %s > %s' % (file, efile)
elif file.endswith('.zip') or file.endswith('.jar'):
try:
dos = bb.utils.to_boolean(urldata.parm.get('dos'), False)
except ValueError as exc:
bb.fatal("Invalid value for 'dos' parameter for %s: %s" %
(file, urldata.parm.get('dos')))
cmd = 'unzip -q -o'
if dos:
cmd = '%s -a' % cmd
cmd = "%s '%s'" % (cmd, file)
elif file.endswith('.src.rpm') or file.endswith('.srpm'):
if 'extract' in urldata.parm:
unpack_file = urldata.parm.get('extract')
cmd = 'rpm2cpio.sh %s | cpio -i %s' % (file, unpack_file)
iterate = True
iterate_file = unpack_file
else:
cmd = 'rpm2cpio.sh %s | cpio -i' % (file)
if not unpack or not cmd:
# If file == dest, then avoid any copies, as we already put the file into dest!
dest = os.path.join(rootdir, os.path.basename(file))
if (file != dest) and not (os.path.exists(dest) and os.path.samefile(file, dest)):
if os.path.isdir(file):
filesdir = os.path.realpath(bb.data.getVar("FILESDIR", data, True))
destdir = "."
if file[0:len(filesdir)] == filesdir:
destdir = file[len(filesdir):file.rfind('/')]
destdir = destdir.strip('/')
if len(destdir) < 1:
destdir = "."
elif not os.access("%s/%s" % (rootdir, destdir), os.F_OK):
os.makedirs("%s/%s" % (rootdir, destdir))
cmd = 'cp -pPR %s %s/%s/' % (file, rootdir, destdir)
#cmd = 'tar -cf - -C "%d" -ps . | tar -xf - -C "%s/%s/"' % (file, rootdir, destdir)
else:
# The "destdir" handling was specifically done for FILESPATH
# items. So, only do so for file:// entries.
if urldata.type == "file" and urldata.path.find("/") != -1:
destdir = urldata.path.rsplit("/", 1)[0]
else:
destdir = "."
bb.utils.mkdirhier("%s/%s" % (rootdir, destdir))
cmd = 'cp %s %s/%s/' % (file, rootdir, destdir)
if not cmd:
return
# Change to subdir before executing command
save_cwd = os.getcwd();
os.chdir(rootdir)
if 'subdir' in urldata.parm:
newdir = ("%s/%s" % (rootdir, urldata.parm.get('subdir')))
bb.utils.mkdirhier(newdir)
os.chdir(newdir)
cmd = "PATH=\"%s\" %s" % (bb.data.getVar('PATH', data, True), cmd)
bb.note("Unpacking %s to %s/" % (file, os.getcwd()))
ret = subprocess.call(cmd, preexec_fn=subprocess_setup, shell=True)
os.chdir(save_cwd)
if ret != 0:
raise UnpackError("Unpack command %s failed with return value %s" % (cmd, ret), urldata.url)
if iterate is True:
iterate_urldata = urldata
iterate_urldata.localpath = "%s/%s" % (rootdir, iterate_file)
self.unpack(urldata, rootdir, data)
return
def clean(self, urldata, d):
"""
Clean any existing full or partial download
"""
bb.utils.remove(urldata.localpath)
def try_premirror(self, url, urldata, d):
"""
Should premirrors be used?
"""
return True
def checkstatus(self, url, urldata, d):
"""
Check the status of a URL
Assumes localpath was called first
"""
logger.info("URL %s could not be checked for status since no method exists.", url)
return True
def localcount_internal_helper(ud, d, name):
"""
Return:
a) a locked localcount if specified
b) None otherwise
"""
localcount = None
if name != '':
pn = bb.data.getVar("PN", d, True)
localcount = bb.data.getVar("LOCALCOUNT_" + name, d, True)
if not localcount:
localcount = bb.data.getVar("LOCALCOUNT", d, True)
return localcount
localcount_internal_helper = staticmethod(localcount_internal_helper)
def latest_revision(self, url, ud, d, name):
"""
Look in the cache for the latest revision, if not present ask the SCM.
"""
if not hasattr(self, "_latest_revision"):
raise ParameterError("The fetcher for this URL does not support _latest_revision", url)
revs = bb.persist_data.persist('BB_URI_HEADREVS', d)
key = self.generate_revision_key(url, ud, d, name)
try:
return revs[key]
except KeyError:
revs[key] = rev = self._latest_revision(url, ud, d, name)
return rev
def sortable_revision(self, url, ud, d, name):
"""
"""
if hasattr(self, "_sortable_revision"):
return self._sortable_revision(url, ud, d)
localcounts = bb.persist_data.persist('BB_URI_LOCALCOUNT', d)
key = self.generate_revision_key(url, ud, d, name)
latest_rev = self._build_revision(url, ud, d, name)
last_rev = localcounts.get(key + '_rev')
uselocalcount = bb.data.getVar("BB_LOCALCOUNT_OVERRIDE", d, True) or False
count = None
if uselocalcount:
count = FetchMethod.localcount_internal_helper(ud, d, name)
if count is None:
count = localcounts.get(key + '_count') or "0"
if last_rev == latest_rev:
return str(count + "+" + latest_rev)
buildindex_provided = hasattr(self, "_sortable_buildindex")
if buildindex_provided:
count = self._sortable_buildindex(url, ud, d, latest_rev)
if count is None:
count = "0"
elif uselocalcount or buildindex_provided:
count = str(count)
else:
count = str(int(count) + 1)
localcounts[key + '_rev'] = latest_rev
localcounts[key + '_count'] = count
return str(count + "+" + latest_rev)
def generate_revision_key(self, url, ud, d, name):
key = self._revision_key(url, ud, d, name)
return "%s-%s" % (key, bb.data.getVar("PN", d, True) or "")
class Fetch(object):
def __init__(self, urls, d, cache = True):
if len(urls) == 0:
urls = d.getVar("SRC_URI", True).split()
self.urls = urls
self.d = d
self.ud = {}
fn = bb.data.getVar('FILE', d, True)
if cache and fn in urldata_cache:
self.ud = urldata_cache[fn]
for url in urls:
if url not in self.ud:
self.ud[url] = FetchData(url, d)
if cache:
urldata_cache[fn] = self.ud
def localpath(self, url):
if url not in self.urls:
self.ud[url] = FetchData(url, self.d)
self.ud[url].setup_localpath(self.d)
return bb.data.expand(self.ud[url].localpath, self.d)
def localpaths(self):
"""
Return a list of the local filenames, assuming successful fetch
"""
local = []
for u in self.urls:
ud = self.ud[u]
ud.setup_localpath(self.d)
local.append(ud.localpath)
return local
def download(self, urls = []):
"""
Fetch all urls
"""
if len(urls) == 0:
urls = self.urls
network = bb.data.getVar("BB_NO_NETWORK", self.d, True)
premirroronly = (bb.data.getVar("BB_FETCH_PREMIRRORONLY", self.d, True) == "1")
for u in urls:
ud = self.ud[u]
ud.setup_localpath(self.d)
m = ud.method
localpath = ""
lf = bb.utils.lockfile(ud.lockfile)
try:
bb.data.setVar("BB_NO_NETWORK", network, self.d)
if not m.need_update(u, ud, self.d):
localpath = ud.localpath
elif m.try_premirror(u, ud, self.d):
logger.debug(1, "Trying PREMIRRORS")
mirrors = mirror_from_string(bb.data.getVar('PREMIRRORS', self.d, True))
localpath = try_mirrors(self.d, ud, mirrors, False)
if premirroronly:
bb.data.setVar("BB_NO_NETWORK", "1", self.d)
if not localpath and m.need_update(u, ud, self.d):
try:
logger.debug(1, "Trying Upstream")
m.download(u, ud, self.d)
if hasattr(m, "build_mirror_data"):
m.build_mirror_data(u, ud, self.d)
localpath = ud.localpath
# early checksum verify, so that if checksum mismatched,
# fetcher still have chance to fetch from mirror
update_stamp(u, ud, self.d)
except bb.fetch2.NetworkAccess:
raise
except BBFetchException as e:
logger.warn(str(e))
# Remove any incomplete fetch
if os.path.isfile(ud.localpath):
bb.utils.remove(ud.localpath)
logger.debug(1, "Trying MIRRORS")
mirrors = mirror_from_string(bb.data.getVar('MIRRORS', self.d, True))
localpath = try_mirrors (self.d, ud, mirrors)
if not localpath or ((not os.path.exists(localpath)) and localpath.find("*") == -1):
raise FetchError("Unable to fetch URL %s from any source." % u, u)
update_stamp(u, ud, self.d)
finally:
bb.utils.unlockfile(lf)
def checkstatus(self, urls = []):
"""
Check all urls exist upstream
"""
if len(urls) == 0:
urls = self.urls
for u in urls:
ud = self.ud[u]
ud.setup_localpath(self.d)
m = ud.method
logger.debug(1, "Testing URL %s", u)
# First try checking uri, u, from PREMIRRORS
mirrors = mirror_from_string(bb.data.getVar('PREMIRRORS', self.d, True))
ret = try_mirrors(self.d, ud, mirrors, True)
if not ret:
# Next try checking from the original uri, u
try:
ret = m.checkstatus(u, ud, self.d)
except:
# Finally, try checking uri, u, from MIRRORS
mirrors = mirror_from_string(bb.data.getVar('MIRRORS', self.d, True))
ret = try_mirrors (self.d, ud, mirrors, True)
if not ret:
raise FetchError("URL %s doesn't work" % u, u)
def unpack(self, root, urls = []):
"""
Check all urls exist upstream
"""
if len(urls) == 0:
urls = self.urls
for u in urls:
ud = self.ud[u]
ud.setup_localpath(self.d)
if bb.data.expand(self.localpath, self.d) is None:
continue
if ud.lockfile:
lf = bb.utils.lockfile(ud.lockfile)
ud.method.unpack(ud, root, self.d)
if ud.lockfile:
bb.utils.unlockfile(lf)
def clean(self, urls = []):
"""
Clean files that the fetcher gets or places
"""
if len(urls) == 0:
urls = self.urls
for url in urls:
if url not in self.ud:
self.ud[url] = FetchData(url, d)
ud = self.ud[url]
ud.setup_localpath(self.d)
if not ud.localfile or self.localpath is None:
continue
if ud.lockfile:
lf = bb.utils.lockfile(ud.lockfile)
ud.method.clean(ud, self.d)
if ud.donestamp:
bb.utils.remove(ud.donestamp)
if ud.lockfile:
bb.utils.unlockfile(lf)
from . import cvs
from . import git
from . import local
from . import svn
from . import wget
from . import svk
from . import ssh
from . import perforce
from . import bzr
from . import hg
from . import osc
from . import repo
methods.append(local.Local())
methods.append(wget.Wget())
methods.append(svn.Svn())
methods.append(git.Git())
methods.append(cvs.Cvs())
methods.append(svk.Svk())
methods.append(ssh.SSH())
methods.append(perforce.Perforce())
methods.append(bzr.Bzr())
methods.append(hg.Hg())
methods.append(osc.Osc())
methods.append(repo.Repo())