mirror of
https://git.yoctoproject.org/poky
synced 2026-09-19 00:49:33 +02:00
bitbake: copy bb.fetch to bb.fetch2 as initial code base for fetcher overhaul
Signed-off-by: Yu Ke <ke.yu@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Yu Ke
836
bitbake/lib/bb/fetch2/__init__.py
Normal file
836
bitbake/lib/bb/fetch2/__init__.py
Normal file
@@ -0,0 +1,836 @@
|
||||
# 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
|
||||
from bb import data
|
||||
from bb import persist_data
|
||||
|
||||
logger = logging.getLogger("BitBake.Fetch")
|
||||
|
||||
class MalformedUrl(Exception):
|
||||
"""Exception raised when encountering an invalid url"""
|
||||
|
||||
class FetchError(Exception):
|
||||
"""Exception raised when a download fails"""
|
||||
|
||||
class NoMethodError(Exception):
|
||||
"""Exception raised when there is no method to obtain a supplied url or set of urls"""
|
||||
|
||||
class MissingParameterError(Exception):
|
||||
"""Exception raised when a fetch method is missing a critical parameter in the url"""
|
||||
|
||||
class ParameterError(Exception):
|
||||
"""Exception raised when a url cannot be proccessed due to invalid parameters."""
|
||||
|
||||
class MD5SumError(Exception):
|
||||
"""Exception raised when a MD5SUM of a file does not match the expected one"""
|
||||
|
||||
class InvalidSRCREV(Exception):
|
||||
"""Exception raised when an invalid SRCREV is encountered"""
|
||||
|
||||
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 type or not path:
|
||||
raise MissingParameterError("Type or path url components missing when encoding %s" % decoded)
|
||||
url = '%s://' % type
|
||||
if user:
|
||||
url += "%s" % user
|
||||
if pswd:
|
||||
url += ":%s" % pswd
|
||||
url += "@"
|
||||
if host:
|
||||
url += "%s" % host
|
||||
url += "%s" % path
|
||||
if p:
|
||||
for parm in p:
|
||||
url += ";%s=%s" % (parm, p[parm])
|
||||
|
||||
return url
|
||||
|
||||
def uri_replace(uri, uri_find, uri_replace, d):
|
||||
if not uri or not uri_find or not uri_replace:
|
||||
logger.debug(1, "uri_replace: passed an undefined value, not replacing")
|
||||
uri_decoded = list(decodeurl(uri))
|
||||
uri_find_decoded = list(decodeurl(uri_find))
|
||||
uri_replace_decoded = list(decodeurl(uri_replace))
|
||||
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])):
|
||||
result_decoded[loc] = re.sub(i, uri_replace_decoded[loc], uri_decoded[loc])
|
||||
if uri_find_decoded.index(i) == 2:
|
||||
if d:
|
||||
localfn = bb.fetch.localpath(uri, d)
|
||||
if localfn:
|
||||
result_decoded[loc] = os.path.join(os.path.dirname(result_decoded[loc]), os.path.basename(bb.fetch.localpath(uri, d)))
|
||||
else:
|
||||
return uri
|
||||
return encodeurl(result_decoded)
|
||||
|
||||
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.
|
||||
"""
|
||||
pd = persist_data.persist(d)
|
||||
# When to drop SCM head revisions controlled by user policy
|
||||
srcrev_policy = bb.data.getVar('BB_SRCREV_POLICY', d, 1) 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)
|
||||
try:
|
||||
bb.fetch.saved_headrevs = pd['BB_URI_HEADREVS'].items()
|
||||
except:
|
||||
pass
|
||||
del pd['BB_URI_HEADREVS']
|
||||
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.
|
||||
"""
|
||||
|
||||
pd = persist_data.persist(d)
|
||||
data = pd['BB_URI_HEADREVS'].items()
|
||||
data2 = bb.fetch.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
|
||||
|
||||
# Function call order is usually:
|
||||
# 1. init
|
||||
# 2. go
|
||||
# 3. localpaths
|
||||
# localpath can be called at any time
|
||||
|
||||
def init(urls, d, setup = True):
|
||||
urldata = {}
|
||||
|
||||
fn = bb.data.getVar('FILE', d, 1)
|
||||
if fn in urldata_cache:
|
||||
urldata = urldata_cache[fn]
|
||||
|
||||
for url in urls:
|
||||
if url not in urldata:
|
||||
urldata[url] = FetchData(url, d)
|
||||
|
||||
if setup:
|
||||
for url in urldata:
|
||||
if not urldata[url].setup:
|
||||
urldata[url].setup_localpath(d)
|
||||
|
||||
urldata_cache[fn] = urldata
|
||||
return urldata
|
||||
|
||||
def mirror_from_string(data):
|
||||
return [ i.split() for i in (data or "").replace('\\n','\n').split('\n') if i ]
|
||||
|
||||
def removefile(f):
|
||||
try:
|
||||
os.remove(f)
|
||||
except:
|
||||
pass
|
||||
|
||||
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)
|
||||
return
|
||||
|
||||
if (ud.md5_expected != md5data or ud.sha256_expected != sha256data):
|
||||
logger.error('The checksums for "%s" did not match.\n'
|
||||
' MD5: expected "%s", got "%s"\n'
|
||||
' SHA256: expected "%s", got "%s"\n',
|
||||
ud.localpath, ud.md5_expected, md5data,
|
||||
ud.sha256_expected, sha256data)
|
||||
raise FetchError("%s checksum mismatch." % u)
|
||||
|
||||
def go(d, urls = None):
|
||||
"""
|
||||
Fetch all urls
|
||||
init must have previously been called
|
||||
"""
|
||||
if not urls:
|
||||
urls = d.getVar("SRC_URI", 1).split()
|
||||
urldata = init(urls, d, True)
|
||||
|
||||
for u in urls:
|
||||
ud = urldata[u]
|
||||
m = ud.method
|
||||
localpath = ""
|
||||
|
||||
if not ud.localfile:
|
||||
continue
|
||||
|
||||
lf = bb.utils.lockfile(ud.lockfile)
|
||||
|
||||
if m.try_premirror(u, ud, d):
|
||||
# First try fetching uri, u, from PREMIRRORS
|
||||
mirrors = mirror_from_string(bb.data.getVar('PREMIRRORS', d, True))
|
||||
localpath = try_mirrors(d, u, mirrors, False, m.forcefetch(u, ud, d))
|
||||
elif os.path.exists(ud.localfile):
|
||||
localpath = ud.localfile
|
||||
|
||||
# Need to re-test forcefetch() which will return true if our copy is too old
|
||||
if m.forcefetch(u, ud, d) or not localpath:
|
||||
# Next try fetching from the original uri, u
|
||||
try:
|
||||
m.go(u, ud, d)
|
||||
localpath = ud.localpath
|
||||
except FetchError:
|
||||
# Remove any incomplete file
|
||||
removefile(ud.localpath)
|
||||
# Finally, try fetching uri, u, from MIRRORS
|
||||
mirrors = mirror_from_string(bb.data.getVar('MIRRORS', d, True))
|
||||
localpath = try_mirrors (d, u, mirrors)
|
||||
if not localpath or not os.path.exists(localpath):
|
||||
raise FetchError("Unable to fetch URL %s from any source." % u)
|
||||
|
||||
ud.localpath = localpath
|
||||
|
||||
if os.path.exists(ud.md5):
|
||||
# Touch the md5 file to show active use of the download
|
||||
try:
|
||||
os.utime(ud.md5, None)
|
||||
except:
|
||||
# Errors aren't fatal here
|
||||
pass
|
||||
else:
|
||||
# Only check the checksums if we've not seen this item before
|
||||
verify_checksum(u, ud, d)
|
||||
Fetch.write_md5sum(u, ud, d)
|
||||
|
||||
bb.utils.unlockfile(lf)
|
||||
|
||||
def checkstatus(d, urls = None):
|
||||
"""
|
||||
Check all urls exist upstream
|
||||
init must have previously been called
|
||||
"""
|
||||
urldata = init([], d, True)
|
||||
|
||||
if not urls:
|
||||
urls = urldata
|
||||
|
||||
for u in urls:
|
||||
ud = urldata[u]
|
||||
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', d, True))
|
||||
ret = try_mirrors(d, u, mirrors, True)
|
||||
if not ret:
|
||||
# Next try checking from the original uri, u
|
||||
try:
|
||||
ret = m.checkstatus(u, ud, d)
|
||||
except:
|
||||
# Finally, try checking uri, u, from MIRRORS
|
||||
mirrors = mirror_from_string(bb.data.getVar('MIRRORS', d, True))
|
||||
ret = try_mirrors (d, u, mirrors, True)
|
||||
|
||||
if not ret:
|
||||
raise FetchError("URL %s doesn't work" % u)
|
||||
|
||||
def localpaths(d):
|
||||
"""
|
||||
Return a list of the local filenames, assuming successful fetch
|
||||
"""
|
||||
local = []
|
||||
urldata = init([], d, True)
|
||||
|
||||
for u in urldata:
|
||||
ud = urldata[u]
|
||||
local.append(ud.localpath)
|
||||
|
||||
return local
|
||||
|
||||
srcrev_internal_call = False
|
||||
|
||||
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.
|
||||
"""
|
||||
|
||||
#
|
||||
# Ugly code alert. localpath in the fetchers will try to evaluate SRCREV which
|
||||
# could translate into a call to here. If it does, we need to catch this
|
||||
# and provide some way so it knows get_srcrev is active instead of being
|
||||
# some number etc. hence the srcrev_internal_call tracking and the magic
|
||||
# "SRCREVINACTION" return value.
|
||||
#
|
||||
# Neater solutions welcome!
|
||||
#
|
||||
if bb.fetch.srcrev_internal_call:
|
||||
return "SRCREVINACTION"
|
||||
|
||||
scms = []
|
||||
|
||||
# Only call setup_localpath on URIs which supports_srcrev()
|
||||
urldata = init(bb.data.getVar('SRC_URI', d, 1).split(), d, False)
|
||||
for u in urldata:
|
||||
ud = urldata[u]
|
||||
if ud.method.supports_srcrev():
|
||||
if not ud.setup:
|
||||
ud.setup_localpath(d)
|
||||
scms.append(u)
|
||||
|
||||
if len(scms) == 0:
|
||||
logger.error("SRCREV was used yet no valid SCM was found in SRC_URI")
|
||||
raise ParameterError
|
||||
|
||||
if bb.data.getVar('BB_SRCREV_POLICY', d, True) != "cache":
|
||||
bb.data.setVar('__BB_DONT_CACHE', '1', d)
|
||||
|
||||
if len(scms) == 1:
|
||||
return urldata[scms[0]].method.sortable_revision(scms[0], urldata[scms[0]], d)
|
||||
|
||||
#
|
||||
# Mutiple SCMs are in SRC_URI so we resort to SRCREV_FORMAT
|
||||
#
|
||||
format = bb.data.getVar('SRCREV_FORMAT', d, 1)
|
||||
if not format:
|
||||
logger.error("The SRCREV_FORMAT variable must be set when multiple SCMs are used.")
|
||||
raise ParameterError
|
||||
|
||||
for scm in scms:
|
||||
if 'name' in urldata[scm].parm:
|
||||
name = urldata[scm].parm["name"]
|
||||
rev = urldata[scm].method.sortable_revision(scm, urldata[scm], d)
|
||||
format = format.replace(name, rev)
|
||||
|
||||
return format
|
||||
|
||||
def localpath(url, d, cache = True):
|
||||
"""
|
||||
Called from the parser with cache=False since the cache isn't ready
|
||||
at this point. Also called from classed in OE e.g. patch.bbclass
|
||||
"""
|
||||
ud = init([url], d)
|
||||
if ud[url].method:
|
||||
return ud[url].localpath
|
||||
return url
|
||||
|
||||
def runfetchcmd(cmd, d, quiet = False):
|
||||
"""
|
||||
Run cmd returning the command output
|
||||
Raise an error if interrupted or cmd fails
|
||||
Optionally echo command output to stdout
|
||||
"""
|
||||
|
||||
# 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']
|
||||
|
||||
for var in exportvars:
|
||||
val = 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:
|
||||
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 try_mirrors(d, uri, mirrors, check = False, force = 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
|
||||
"""
|
||||
fpath = os.path.join(data.getVar("DL_DIR", d, 1), os.path.basename(uri))
|
||||
if not check and os.access(fpath, os.R_OK) and not force:
|
||||
logger.debug(1, "%s already exists, skipping checkout.", fpath)
|
||||
return fpath
|
||||
|
||||
ld = d.createCopy()
|
||||
for (find, replace) in mirrors:
|
||||
newuri = uri_replace(uri, find, replace, ld)
|
||||
if newuri != uri:
|
||||
try:
|
||||
ud = FetchData(newuri, ld)
|
||||
except bb.fetch.NoMethodError:
|
||||
logger.debug(1, "No method for %s", uri)
|
||||
continue
|
||||
|
||||
ud.setup_localpath(ld)
|
||||
|
||||
try:
|
||||
if check:
|
||||
found = ud.method.checkstatus(newuri, ud, ld)
|
||||
if found:
|
||||
return found
|
||||
else:
|
||||
ud.method.go(newuri, ud, ld)
|
||||
return ud.localpath
|
||||
except (bb.fetch.MissingParameterError,
|
||||
bb.fetch.FetchError,
|
||||
bb.fetch.MD5SumError):
|
||||
import sys
|
||||
(type, value, traceback) = sys.exc_info()
|
||||
logger.debug(2, "Mirror fetch failure: %s", value)
|
||||
removefile(ud.localpath)
|
||||
continue
|
||||
return None
|
||||
|
||||
|
||||
class FetchData(object):
|
||||
"""
|
||||
A class which represents the fetcher state for a given URI.
|
||||
"""
|
||||
def __init__(self, url, d):
|
||||
self.localfile = ""
|
||||
(self.type, self.host, self.path, self.user, self.pswd, self.parm) = decodeurl(data.expand(url, d))
|
||||
self.date = Fetch.getSRCDate(self, 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)
|
||||
|
||||
for m in methods:
|
||||
if m.supports(url, self, d):
|
||||
self.method = m
|
||||
return
|
||||
raise NoMethodError("Missing implementation for url %s" % url)
|
||||
|
||||
def setup_localpath(self, d):
|
||||
self.setup = True
|
||||
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)
|
||||
else:
|
||||
premirrors = bb.data.getVar('PREMIRRORS', d, True)
|
||||
local = ""
|
||||
if premirrors and self.url:
|
||||
aurl = self.url.split(";")[0]
|
||||
mirrors = mirror_from_string(premirrors)
|
||||
for (find, replace) in mirrors:
|
||||
if replace.startswith("file://"):
|
||||
path = aurl.split("://")[1]
|
||||
path = path.split(";")[0]
|
||||
local = replace.split("://")[1] + os.path.basename(path)
|
||||
if local == aurl or not os.path.exists(local) or os.path.isdir(local):
|
||||
local = ""
|
||||
self.localpath = local
|
||||
if not local:
|
||||
try:
|
||||
bb.fetch.srcrev_internal_call = True
|
||||
self.localpath = self.method.localpath(self.url, self, d)
|
||||
finally:
|
||||
bb.fetch.srcrev_internal_call = False
|
||||
# We have to clear data's internal caches since the cached value of SRCREV is now wrong.
|
||||
# Horrible...
|
||||
bb.data.delVar("ISHOULDNEVEREXIST", d)
|
||||
|
||||
if self.localpath is not None:
|
||||
# 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), d)
|
||||
self.md5 = basepath + '.md5'
|
||||
self.lockfile = basepath + '.lock'
|
||||
|
||||
|
||||
class Fetch(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 url
|
||||
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 forcefetch(self, url, urldata, d):
|
||||
"""
|
||||
Force a fetch, even if localpath exists?
|
||||
"""
|
||||
return False
|
||||
|
||||
def supports_srcrev(self):
|
||||
"""
|
||||
The fetcher supports auto source revisions (SRCREV)
|
||||
"""
|
||||
return False
|
||||
|
||||
def go(self, url, urldata, d):
|
||||
"""
|
||||
Fetch urls
|
||||
Assumes localpath was called first
|
||||
"""
|
||||
raise NoMethodError("Missing implementation for url")
|
||||
|
||||
def try_premirror(self, url, urldata, d):
|
||||
"""
|
||||
Should premirrors be used?
|
||||
"""
|
||||
if urldata.method.forcefetch(url, urldata, d):
|
||||
return True
|
||||
elif os.path.exists(urldata.md5) and os.path.exists(urldata.localfile):
|
||||
return False
|
||||
else:
|
||||
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 getSRCDate(urldata, d):
|
||||
"""
|
||||
Return the SRC Date for the component
|
||||
|
||||
d the bb.data module
|
||||
"""
|
||||
if "srcdate" in urldata.parm:
|
||||
return urldata.parm['srcdate']
|
||||
|
||||
pn = data.getVar("PN", d, 1)
|
||||
|
||||
if pn:
|
||||
return data.getVar("SRCDATE_%s" % pn, d, 1) or data.getVar("CVSDATE_%s" % pn, d, 1) or data.getVar("SRCDATE", d, 1) or data.getVar("CVSDATE", d, 1) or data.getVar("DATE", d, 1)
|
||||
|
||||
return data.getVar("SRCDATE", d, 1) or data.getVar("CVSDATE", d, 1) or data.getVar("DATE", d, 1)
|
||||
getSRCDate = staticmethod(getSRCDate)
|
||||
|
||||
def srcrev_internal_helper(ud, d):
|
||||
"""
|
||||
Return:
|
||||
a) a source revision if specified
|
||||
b) True if auto srcrev is in action
|
||||
c) False otherwise
|
||||
"""
|
||||
|
||||
if 'rev' in ud.parm:
|
||||
return ud.parm['rev']
|
||||
|
||||
if 'tag' in ud.parm:
|
||||
return ud.parm['tag']
|
||||
|
||||
rev = None
|
||||
if 'name' in ud.parm:
|
||||
pn = data.getVar("PN", d, 1)
|
||||
rev = data.getVar("SRCREV_%s_pn-%s" % (ud.parm['name'], pn), d, 1)
|
||||
if not rev:
|
||||
rev = data.getVar("SRCREV_pn-%s_%s" % (pn, ud.parm['name']), d, 1)
|
||||
if not rev:
|
||||
rev = data.getVar("SRCREV_%s" % (ud.parm['name']), d, 1)
|
||||
if not rev:
|
||||
rev = data.getVar("SRCREV", d, 1)
|
||||
if rev == "INVALID":
|
||||
raise InvalidSRCREV("Please set SRCREV to a valid value")
|
||||
if not rev:
|
||||
return False
|
||||
if rev is "SRCREVINACTION":
|
||||
return True
|
||||
return rev
|
||||
|
||||
srcrev_internal_helper = staticmethod(srcrev_internal_helper)
|
||||
|
||||
def localcount_internal_helper(ud, d):
|
||||
"""
|
||||
Return:
|
||||
a) a locked localcount if specified
|
||||
b) None otherwise
|
||||
"""
|
||||
|
||||
localcount = None
|
||||
if 'name' in ud.parm:
|
||||
pn = data.getVar("PN", d, 1)
|
||||
localcount = data.getVar("LOCALCOUNT_" + ud.parm['name'], d, 1)
|
||||
if not localcount:
|
||||
localcount = data.getVar("LOCALCOUNT", d, 1)
|
||||
return localcount
|
||||
|
||||
localcount_internal_helper = staticmethod(localcount_internal_helper)
|
||||
|
||||
def verify_md5sum(ud, got_sum):
|
||||
"""
|
||||
Verify the md5sum we wanted with the one we got
|
||||
"""
|
||||
wanted_sum = ud.parm.get('md5sum')
|
||||
if not wanted_sum:
|
||||
return True
|
||||
|
||||
return wanted_sum == got_sum
|
||||
verify_md5sum = staticmethod(verify_md5sum)
|
||||
|
||||
def write_md5sum(url, ud, d):
|
||||
md5data = bb.utils.md5_file(ud.localpath)
|
||||
# verify the md5sum
|
||||
if not Fetch.verify_md5sum(ud, md5data):
|
||||
raise MD5SumError(url)
|
||||
|
||||
md5out = file(ud.md5, 'w')
|
||||
md5out.write(md5data)
|
||||
md5out.close()
|
||||
write_md5sum = staticmethod(write_md5sum)
|
||||
|
||||
def latest_revision(self, url, ud, d):
|
||||
"""
|
||||
Look in the cache for the latest revision, if not present ask the SCM.
|
||||
"""
|
||||
if not hasattr(self, "_latest_revision"):
|
||||
raise ParameterError
|
||||
|
||||
pd = persist_data.persist(d)
|
||||
revs = pd['BB_URI_HEADREVS']
|
||||
key = self.generate_revision_key(url, ud, d)
|
||||
rev = revs[key]
|
||||
if rev != None:
|
||||
return str(rev)
|
||||
|
||||
revs[key] = rev = self._latest_revision(url, ud, d)
|
||||
return rev
|
||||
|
||||
def sortable_revision(self, url, ud, d):
|
||||
"""
|
||||
|
||||
"""
|
||||
if hasattr(self, "_sortable_revision"):
|
||||
return self._sortable_revision(url, ud, d)
|
||||
|
||||
pd = persist_data.persist(d)
|
||||
localcounts = pd['BB_URI_LOCALCOUNT']
|
||||
key = self.generate_revision_key(url, ud, d)
|
||||
|
||||
latest_rev = self._build_revision(url, ud, d)
|
||||
last_rev = localcounts[key + '_rev']
|
||||
uselocalcount = bb.data.getVar("BB_LOCALCOUNT_OVERRIDE", d, True) or False
|
||||
count = None
|
||||
if uselocalcount:
|
||||
count = Fetch.localcount_internal_helper(ud, d)
|
||||
if count is None:
|
||||
count = localcounts[key + '_count']
|
||||
|
||||
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):
|
||||
key = self._revision_key(url, ud, d)
|
||||
return "%s-%s" % (key, bb.data.getVar("PN", d, True) or "")
|
||||
|
||||
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())
|
||||
Reference in New Issue
Block a user