本文整理汇总了Python中urlgrabber.mirror.MirrorGroup类的典型用法代码示例。如果您正苦于以下问题：Python MirrorGroup类的具体用法？Python MirrorGroup怎么用？Python MirrorGroup使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了MirrorGroup类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: fetch
def fetch(self, pac, prefix=''):
# for use by the failure callback
self.curpac = pac
MirrorGroup._join_url = join_url
mg = MirrorGroup(self.gr, pac.urllist, failure_callback=(self.failureReport,(),{}))
if self.http_debug:
print >>sys.stderr, '\nURLs to try for package \'%s\':' % pac
print >>sys.stderr, '\n'.join(pac.urllist)
print >>sys.stderr
(fd, tmpfile) = tempfile.mkstemp(prefix='osc_build')
try:
try:
mg.urlgrab(pac.filename,
filename = tmpfile,
text = '%s(%s) %s' %(prefix, pac.project, pac.filename))
self.move_package(tmpfile, pac.localdir, pac)
except URLGrabError, e:
if self.enable_cpio and e.errno == 256:
self.__add_cpio(pac)
return
print
print >>sys.stderr, 'Error:', e.strerror
print >>sys.stderr, 'Failed to retrieve %s from the following locations (in order):' % pac.filename
print >>sys.stderr, '\n'.join(pac.urllist)
sys.exit(1)
finally:
os.close(fd)
if os.path.exists(tmpfile):
os.unlink(tmpfile)示例2: fetch
def fetch(self, pac, prefix=''):
# for use by the failure callback
self.curpac = pac
MirrorGroup._join_url = join_url
mg = MirrorGroup(self.gr, pac.urllist, failure_callback=(self.failureReport, (), {}))
if self.http_debug:
print('\nURLs to try for package \'%s\':' % pac, file=sys.stderr)
print('\n'.join(pac.urllist), file=sys.stderr)
print(file=sys.stderr)
try:
with tempfile.NamedTemporaryFile(prefix='osc_build',
delete=False) as tmpfile:
mg.urlgrab(pac.filename, filename=tmpfile.name,
text='%s(%s) %s' % (prefix, pac.project, pac.filename))
self.move_package(tmpfile.name, pac.localdir, pac)
except URLGrabError as e:
if self.enable_cpio and e.errno == 256:
self.__add_cpio(pac)
return
print()
print('Error:', e.strerror, file=sys.stderr)
print('Failed to retrieve %s from the following locations '
'(in order):' % pac.filename, file=sys.stderr)
print('\n'.join(pac.urllist), file=sys.stderr)
sys.exit(1)
finally:
if os.path.exists(tmpfile.name):
os.unlink(tmpfile.name)示例3: BasicTests
class BasicTests(TestCase):
def setUp(self):
self.g = URLGrabber()
fullmirrors = [base_mirror_url + m + '/' for m in good_mirrors]
self.mg = MirrorGroup(self.g, fullmirrors)
def test_urlgrab(self):
"""MirrorGroup.urlgrab"""
filename = tempfile.mktemp()
url = 'short_reference'
self.mg.urlgrab(url, filename)
fo = open(filename)
data = fo.read()
fo.close()
self.assertEqual(data, short_reference_data)
def test_urlread(self):
"""MirrorGroup.urlread"""
url = 'short_reference'
data = self.mg.urlread(url)
self.assertEqual(data, short_reference_data)
def test_urlopen(self):
"""MirrorGroup.urlopen"""
url = 'short_reference'
fo = self.mg.urlopen(url)
data = fo.read()
fo.close()
self.assertEqual(data, short_reference_data)示例4: FailoverTests
class FailoverTests(TestCase):
def setUp(self):
self.g = URLGrabber()
fullmirrors = [base_mirror_url + m + '/' for m in \
(bad_mirrors + good_mirrors)]
self.mg = MirrorGroup(self.g, fullmirrors)
def test_simple_grab(self):
"""test that a the MG fails over past a bad mirror"""
filename = tempfile.mktemp()
url = 'reference'
elist = []
def cb(e, elist=elist): elist.append(e)
self.mg.urlgrab(url, filename, failure_callback=cb)
fo = open(filename)
contents = fo.read()
fo.close()
# first be sure that the first mirror failed and that the
# callback was called
self.assertEqual(len(elist), 1)
# now be sure that the second mirror succeeded and the correct
# data was returned
self.assertEqual(contents, reference_data)示例5: HttpReplyCode
class HttpReplyCode(TestCase):
def setUp(self):
def server():
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind(('localhost', 2000)); s.listen(1)
while 1:
c, a = s.accept()
while not c.recv(4096).endswith('\r\n\r\n'): pass
c.sendall('HTTP/1.1 %d %s\r\n' % self.reply)
c.close()
import thread
self.reply = 503, "Busy"
thread.start_new_thread(server, ())
def failure(obj):
self.code = getattr(obj.exception, 'code', None)
return {}
self.g = URLGrabber()
self.mg = MirrorGroup(self.g, ['http://localhost:2000/'], failure_callback = failure)
def test_grab(self):
self.assertRaises(URLGrabError, self.mg.urlgrab, 'foo')
self.assertEquals(self.code, 503); del self.code
err = []
self.mg.urlgrab('foo', async = True, failfunc = err.append)
urlgrabber.grabber.parallel_wait()
self.assertEquals([e.exception.errno for e in err], [256])
self.assertEquals(self.code, 503); del self.code示例6: __init__
def __init__(self, pakfire, mirrors=None):
self.pakfire = pakfire
self.grabber = PakfireGrabber(
self.pakfire,
progress_obj = TextMeter(),
)
if mirrors:
self.grabber = MirrorGroup(self.grabber,
[{ "mirror" : m.encode("utf-8") } for m in mirrors])示例7: setUp
def setUp(self):
# start the server
self.exit = False
def server():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind(LOCALPORT); s.listen(1)
while 1:
c, a = s.accept()
if self.exit: c.close(); break
ending_compat = '\r\n\r\n' if not six.PY3 else b'\r\n\r\n'
while not c.recv(4096).endswith(ending_compat): pass
http_compat = 'HTTP/1.1 %d %s\r\n' % self.reply
c.sendall(http_compat if not six.PY3 else http_compat.encode('utf-8'))
if self.content is not None:
cont_length_compat = 'Content-Length: %d\r\n\r\n' % len(self.content)
c.sendall(cont_length_compat if not six.PY3 else cont_length_compat.encode('utf-8'))
c.sendall(self.content if not six.PY3 else self.content.encode('utf-8'))
c.close()
s.close()
self.exit = False
thread.start_new_thread(server, ())
# create grabber and mirror group objects
def failure(obj):
self.code = getattr(obj.exception, 'code', None)
return {}
self.g = URLGrabber()
self.mg = MirrorGroup(self.g, ['http://%s:%d' % LOCALPORT],
failure_callback = failure)示例8: setUp
def setUp(self):
def server():
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind(("localhost", 2000))
s.listen(1)
while 1:
c, a = s.accept()
while not c.recv(4096).endswith("\r\n\r\n"):
pass
c.sendall("HTTP/1.1 %d %s\r\n" % self.reply)
c.close()
import thread
self.reply = 503, "Busy"
thread.start_new_thread(server, ())
def failure(obj):
self.code = getattr(obj.exception, "code", None)
return {}
self.g = URLGrabber()
self.mg = MirrorGroup(self.g, ["http://localhost:2000/"], failure_callback=failure)示例9: CallbackTests
class CallbackTests(TestCase):
def setUp(self):
self.g = URLGrabber()
fullmirrors = [base_mirror_url + m + '/' for m in \
(bad_mirrors + good_mirrors)]
if hasattr(urlgrabber.grabber, '_TH'):
# test assumes mirrors are not re-ordered
urlgrabber.grabber._TH.hosts.clear()
self.mg = MirrorGroup(self.g, fullmirrors)
def test_failure_callback(self):
"test that MG executes the failure callback correctly"
tricky_list = []
def failure_callback(cb_obj, tl):
tl.append(str(cb_obj.exception))
self.mg.failure_callback = failure_callback, (tricky_list, ), {}
data = self.mg.urlread('reference')
self.assert_(data == reference_data)
self.assertEquals(tricky_list[0][:25],
'[Errno 14] HTTP Error 403')
def test_callback_reraise(self):
"test that the callback can correctly re-raise the exception"
def failure_callback(cb_obj): raise cb_obj.exception
self.mg.failure_callback = failure_callback
self.assertRaises(URLGrabError, self.mg.urlread, 'reference')示例10: setUp
def setUp(self):
self.snarfed_logs = []
self.db = urlgrabber.mirror.DEBUG
urlgrabber.mirror.DEBUG = FakeLogger()
self.mirrors = ['a', 'b', 'c', 'd', 'e', 'f']
self.g = FakeGrabber([URLGrabError(3), URLGrabError(3), 'filename'])
self.mg = MirrorGroup(self.g, self.mirrors)示例11: ActionTests
class ActionTests(TestCase):
def setUp(self):
self.snarfed_logs = []
self.db = urlgrabber.mirror.DEBUG
urlgrabber.mirror.DEBUG = FakeLogger()
self.mirrors = ["a", "b", "c", "d", "e", "f"]
self.g = FakeGrabber([URLGrabError(3), URLGrabError(3), "filename"])
self.mg = MirrorGroup(self.g, self.mirrors)
def tearDown(self):
urlgrabber.mirror.DEBUG = self.db
def test_defaults(self):
"test default action policy"
self.mg.urlgrab("somefile")
expected_calls = [(m + "/" + "somefile", None) for m in self.mirrors[:3]]
expected_logs = [
"MIRROR: trying somefile -> a/somefile",
"MIRROR: failed",
"GR mirrors: [b c d e f] 0",
"MAIN mirrors: [a b c d e f] 1",
"MIRROR: trying somefile -> b/somefile",
"MIRROR: failed",
"GR mirrors: [c d e f] 0",
"MAIN mirrors: [a b c d e f] 2",
"MIRROR: trying somefile -> c/somefile",
]
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(urlgrabber.mirror.DEBUG.logs, expected_logs)
def test_instance_action(self):
"test the effects of passed-in default_action"
self.mg.default_action = {"remove_master": 1}
self.mg.urlgrab("somefile")
expected_calls = [(m + "/" + "somefile", None) for m in self.mirrors[:3]]
expected_logs = [
"MIRROR: trying somefile -> a/somefile",
"MIRROR: failed",
"GR mirrors: [b c d e f] 0",
"MAIN mirrors: [b c d e f] 0",
"MIRROR: trying somefile -> b/somefile",
"MIRROR: failed",
"GR mirrors: [c d e f] 0",
"MAIN mirrors: [c d e f] 0",
"MIRROR: trying somefile -> c/somefile",
]
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(urlgrabber.mirror.DEBUG.logs, expected_logs)
def test_method_action(self):
"test the effects of method-level default_action"
self.mg.urlgrab("somefile", default_action={"remove_master": 1})
expected_calls = [(m + "/" + "somefile", None) for m in self.mirrors[:3]]
expected_logs = [
"MIRROR: trying somefile -> a/somefile",
"MIRROR: failed",
"GR mirrors: [b c d e f] 0",
"MAIN mirrors: [b c d e f] 0",
"MIRROR: trying somefile -> b/somefile",
"MIRROR: failed",
"GR mirrors: [c d e f] 0",
"MAIN mirrors: [c d e f] 0",
"MIRROR: trying somefile -> c/somefile",
]
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(urlgrabber.mirror.DEBUG.logs, expected_logs)
def callback(self, e):
return {"fail": 1}
def test_callback_action(self):
"test the effects of a callback-returned action"
self.assertRaises(URLGrabError, self.mg.urlgrab, "somefile", failure_callback=self.callback)
expected_calls = [(m + "/" + "somefile", None) for m in self.mirrors[:1]]
expected_logs = [
"MIRROR: trying somefile -> a/somefile",
"MIRROR: failed",
"GR mirrors: [b c d e f] 0",
"MAIN mirrors: [a b c d e f] 1",
]
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(urlgrabber.mirror.DEBUG.logs, expected_logs)示例12: HttpReplyCode
class HttpReplyCode(TestCase):
def setUp(self):
# start the server
self.exit = False
def server():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind(LOCALPORT); s.listen(1)
while 1:
c, a = s.accept()
if self.exit: c.close(); break
while not c.recv(4096).endswith('\r\n\r\n'): pass
c.sendall('HTTP/1.1 %d %s\r\n' % self.reply)
if self.content is not None:
c.sendall('Content-Length: %d\r\n\r\n' % len(self.content))
c.sendall(self.content)
c.close()
s.close()
self.exit = False
thread.start_new_thread(server, ())
# create grabber and mirror group objects
def failure(obj):
self.code = getattr(obj.exception, 'code', None)
return {}
self.g = URLGrabber()
self.mg = MirrorGroup(self.g, ['http://%s:%d' % LOCALPORT],
failure_callback = failure)
def tearDown(self):
# shut down the server
self.exit = True
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(LOCALPORT); s.close() # wake it up
while self.exit: pass # poor man's join
def test_grab(self):
'tests the propagation of HTTP reply code'
self.reply = 503, "Busy"
self.content = None
# single
self.assertRaises(URLGrabError, self.mg.urlgrab, 'foo')
self.assertEquals(self.code, 503); del self.code
# multi
err = []
self.mg.urlgrab('foo', async = True, failfunc = err.append)
urlgrabber.grabber.parallel_wait()
self.assertEquals([e.exception.errno for e in err], [256])
self.assertEquals(self.code, 503); del self.code
def test_range(self):
'test client-side processing of HTTP ranges'
# server does not process ranges
self.reply = 200, "OK"
self.content = 'ABCDEF'
# no range specified
data = self.mg.urlread('foo')
self.assertEquals(data, 'ABCDEF')
data = self.mg.urlread('foo', range = (3, 5))
self.assertEquals(data, 'DE')示例13: HttpReplyCode
class HttpReplyCode(TestCase):
def setUp(self):
# start the server
self.exit = False
self.process = lambda data: None
def server():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind(LOCALPORT); s.listen(1)
while 1:
c, a = s.accept()
if self.exit: c.close(); break
data = ''
while not data.endswith('\r\n\r\n'):
data = c.recv(4096)
self.process(data)
c.sendall('HTTP/1.1 %d %s\r\n' % self.reply)
if self.content is not None:
c.sendall('Content-Length: %d\r\n\r\n' % len(self.content))
c.sendall(self.content)
c.close()
s.close()
self.exit = False
self.thread = threading.Thread(target=server)
self.thread.start()
# create grabber and mirror group objects
def failure(obj):
self.code = getattr(obj.exception, 'code', None)
return {}
self.g = URLGrabber()
self.mg = MirrorGroup(self.g, ['http://%s:%d' % LOCALPORT],
failure_callback = failure)
def tearDown(self):
# shut down the server
self.exit = True
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(LOCALPORT); s.close() # wake it up
self.thread.join()
def test_grab(self):
'tests the propagation of HTTP reply code'
self.reply = 503, "Busy"
self.content = None
# single
self.assertRaises(URLGrabError, self.mg.urlgrab, 'foo')
self.assertEquals(self.code, 503); del self.code
# multi
err = []
self.mg.urlgrab('foo', async = True, failfunc = err.append)
urlgrabber.grabber.parallel_wait()
self.assertEquals([e.exception.errno for e in err], [256])
self.assertEquals(self.code, 503); del self.code
def test_range(self):
'test client-side processing of HTTP ranges'
# server does not process ranges
self.reply = 200, "OK"
self.content = 'ABCDEF'
# no range specified
data = self.mg.urlread('foo')
self.assertEquals(data, 'ABCDEF')
data = self.mg.urlread('foo', range = (3, 5))
self.assertEquals(data, 'DE')
def test_retry_no_cache(self):
'test bypassing proxy cache on failure'
def process(data):
if 'Pragma:no-cache' in data:
self.content = 'version2'
else:
self.content = 'version1'
def checkfunc_read(obj):
if obj.data == 'version1':
raise URLGrabError(-1, 'Outdated version of foo')
def checkfunc_grab(obj):
with open('foo') as f:
if f.read() == 'version1':
raise URLGrabError(-1, 'Outdated version of foo')
self.process = process
self.reply = 200, "OK"
opts = self.g.opts
opts.retry = 3
opts.retry_no_cache = True
# single
opts.checkfunc = checkfunc_read
try:
self.mg.urlread('foo')
except URLGrabError as e:
self.fail(str(e))
#.........这里部分代码省略.........
示例14: ActionTests
class ActionTests(TestCase):
def setUp(self):
self.snarfed_logs = []
self.db = urlgrabber.mirror.DEBUG
urlgrabber.mirror.DEBUG = FakeLogger()
self.mirrors = ['a', 'b', 'c', 'd', 'e', 'f']
self.g = FakeGrabber([URLGrabError(3), URLGrabError(3), 'filename'])
self.mg = MirrorGroup(self.g, self.mirrors)
def tearDown(self):
urlgrabber.mirror.DEBUG = self.db
def test_defaults(self):
'test default action policy'
self.mg.urlgrab('somefile')
expected_calls = [ (m + '/' + 'somefile', None) \
for m in self.mirrors[:3] ]
expected_logs = \
['MIRROR: trying somefile -> a/somefile',
'MIRROR: failed',
'GR mirrors: [b c d e f] 0',
'MAIN mirrors: [a b c d e f] 1',
'MIRROR: trying somefile -> b/somefile',
'MIRROR: failed',
'GR mirrors: [c d e f] 0',
'MAIN mirrors: [a b c d e f] 2',
'MIRROR: trying somefile -> c/somefile']
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(urlgrabber.mirror.DEBUG.logs, expected_logs)
def test_instance_action(self):
'test the effects of passed-in default_action'
self.mg.default_action = {'remove_master': 1}
self.mg.urlgrab('somefile')
expected_calls = [ (m + '/' + 'somefile', None) \
for m in self.mirrors[:3] ]
expected_logs = \
['MIRROR: trying somefile -> a/somefile',
'MIRROR: failed',
'GR mirrors: [b c d e f] 0',
'MAIN mirrors: [b c d e f] 0',
'MIRROR: trying somefile -> b/somefile',
'MIRROR: failed',
'GR mirrors: [c d e f] 0',
'MAIN mirrors: [c d e f] 0',
'MIRROR: trying somefile -> c/somefile']
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(urlgrabber.mirror.DEBUG.logs, expected_logs)
def test_method_action(self):
'test the effects of method-level default_action'
self.mg.urlgrab('somefile', default_action={'remove_master': 1})
expected_calls = [ (m + '/' + 'somefile', None) \
for m in self.mirrors[:3] ]
expected_logs = \
['MIRROR: trying somefile -> a/somefile',
'MIRROR: failed',
'GR mirrors: [b c d e f] 0',
'MAIN mirrors: [b c d e f] 0',
'MIRROR: trying somefile -> b/somefile',
'MIRROR: failed',
'GR mirrors: [c d e f] 0',
'MAIN mirrors: [c d e f] 0',
'MIRROR: trying somefile -> c/somefile']
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(urlgrabber.mirror.DEBUG.logs, expected_logs)
def callback(self, e): return {'fail': 1}
def test_callback_action(self):
'test the effects of a callback-returned action'
self.assertRaises(URLGrabError, self.mg.urlgrab, 'somefile',
failure_callback=self.callback)
expected_calls = [ (m + '/' + 'somefile', None) \
for m in self.mirrors[:1] ]
expected_logs = \
['MIRROR: trying somefile -> a/somefile',
'MIRROR: failed',
'GR mirrors: [b c d e f] 0',
'MAIN mirrors: [a b c d e f] 1']
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(urlgrabber.mirror.DEBUG.logs, expected_logs)示例15: SourceDownloader
class SourceDownloader(object):
def __init__(self, pakfire, mirrors=None):
self.pakfire = pakfire
self.grabber = PakfireGrabber(
self.pakfire,
progress_obj = TextMeter(),
)
if mirrors:
self.grabber = MirrorGroup(self.grabber,
[{ "mirror" : m.encode("utf-8") } for m in mirrors])
def download(self, files):
existant_files = []
download_files = []
for file in files:
filename = os.path.join(SOURCE_CACHE_DIR, file)
log.debug("Checking existance of %s..." % filename)
if os.path.exists(filename) and os.path.getsize(filename):
log.debug("...exists!")
existant_files.append(filename)
else:
log.debug("...does not exist!")
download_files.append(filename)
if download_files:
log.info(_("Downloading source files:"))
if self.pakfire.offline:
raise OfflineModeError, _("Cannot download source code in offline mode.")
# Create source download directory.
if not os.path.exists(SOURCE_CACHE_DIR):
os.makedirs(SOURCE_CACHE_DIR)
for filename in download_files:
try:
self.grabber.urlgrab(os.path.basename(filename), filename=filename)
except URLGrabError, e:
# Remove partly downloaded file.
try:
os.unlink(filename)
except OSError:
pass
raise DownloadError, "%s %s" % (os.path.basename(filename), e)
# Check if the downloaded file was empty.
if os.path.getsize(filename) == 0:
# Remove the file and raise an error.
os.unlink(filename)
raise DownloadError, _("Downloaded empty file: %s") \
% os.path.basename(filename)
log.info("")
return existant_files + download_files