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isaak yansane-sisk
slapos.buildout
Commits
84d9c96b
Commit
84d9c96b
authored
Aug 28, 2012
by
Cédric de Saint Martin
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Cache pypi index, extensions and recipes using buildout internals.
parent
b0bcdf03
Changes
3
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3 changed files
with
303 additions
and
58 deletions
+303
-58
src/zc/buildout/buildout.py
src/zc/buildout/buildout.py
+11
-1
src/zc/buildout/easy_install.py
src/zc/buildout/easy_install.py
+174
-26
src/zc/buildout/networkcache.py
src/zc/buildout/networkcache.py
+118
-31
No files found.
src/zc/buildout/buildout.py
View file @
84d9c96b
...
...
@@ -1193,7 +1193,17 @@ class Buildout(UserDict.DictMixin):
links
=
self
[
'buildout'
].
get
(
'find-links'
,
''
).
split
(),
index
=
self
[
'buildout'
].
get
(
'index'
),
newest
=
self
.
newest
,
allow_hosts
=
self
.
_allow_hosts
,
prefer_final
=
not
self
.
accept_buildout_test_releases
)
prefer_final
=
not
self
.
accept_buildout_test_releases
,
download_cache_url
=
self
.
download_cache_url
,
download_dir_url
=
self
.
download_dir_url
,
upload_cache_url
=
self
.
upload_cache_url
,
upload_dir_url
=
self
.
upload_dir_url
,
signature_private_key_file
=
self
.
signature_private_key_file
,
signature_certificate_list
=
self
.
signature_certificate_list
,
shacache_cert_file
=
self
.
shacache_cert_file
,
shacache_key_file
=
self
.
shacache_key_file
,
shadir_cert_file
=
self
.
shadir_cert_file
,
shadir_key_file
=
self
.
shadir_key_file
,)
# Clear cache because extensions might now let us read pages we
# couldn't read before.
...
...
src/zc/buildout/easy_install.py
View file @
84d9c96b
This diff is collapsed.
Click to expand it.
src/zc/buildout/networkcache.py
View file @
84d9c96b
...
...
@@ -12,12 +12,12 @@
#
##############################################################################
#XXX factor with slapos/grid/networkcache.py and use libnetworkcache helpers
import
hashlib
import
os
import
posixpath
import
re
import
shutil
import
urllib2
import
urlparse
import
traceback
...
...
@@ -25,7 +25,11 @@ import traceback
try
:
try
:
from
slapos.libnetworkcache
import
NetworkcacheClient
,
UploadError
,
\
DirectoryNotFound
DirectoryNotFound
from
slapos.networkcachehelper
import
\
helper_download_network_cached
,
\
helper_upload_network_cached_from_file
,
\
helper_download_network_cached_to_file
except
ImportError
:
LIBNETWORKCACHE_ENABLED
=
False
else
:
...
...
@@ -68,12 +72,19 @@ def get_directory_key(url):
Basically check if the url belongs to pypi:
- if yes, the directory key will be pypi-buildout-urlmd5
- if not, the directory key will be slapos-buildout-urlmd5
# XXX why is that?
"""
urlmd5
=
hashlib
.
md5
(
url
).
hexdigest
()
if
'pypi'
in
url
:
return
'pypi-buildout-%s'
%
urlmd5
return
'slapos-buildout-%s'
%
urlmd5
@
fallback_call
def
get_index_directory_key
(
url
,
requirement
):
"""Returns directory hash based on egg requirement.
"""
return
'pypi-index-%s-%s'
%
(
hashlib
.
md5
(
url
).
hexdigest
(),
requirement
)
@
fallback_call
def
download_network_cached
(
dir_url
,
cache_url
,
path
,
url
,
logger
,
...
...
@@ -88,56 +99,74 @@ def download_network_cached(dir_url, cache_url, path, url, logger,
if
not
LIBNETWORKCACHE_ENABLED
:
return
False
if
not
(
dir_url
and
cache_url
):
return
False
if
md5sum
is
None
:
md5sum
=
_get_md5_from_url
(
url
)
directory_key
=
get_directory_key
(
url
)
url
=
os
.
path
.
basename
(
url
)
if
len
(
signature_certificate_list
)
==
0
:
# convert [] into None in order to call nc nicely
signature_certificate_list
=
None
try
:
nc
=
NetworkcacheClient
(
cache_url
,
dir_url
,
signature_certificate_list
=
signature_certificate_list
)
except
TypeError
:
logger
.
warning
(
'Incompatible version of networkcache, not using it.'
)
return
False
logger
.
debug
(
'Trying to download %s from network cache...'
%
url
)
try
:
file_descriptor
=
nc
.
select
(
directory_key
)
f
=
open
(
path
,
'w+b'
)
try
:
shutil
.
copyfileobj
(
file_descriptor
,
f
)
finally
:
f
.
close
()
file_descriptor
.
close
()
logger
.
info
(
'Downloaded %s from network cache.'
%
url
)
if
helper_download_network_cached_to_file
(
dir_url
=
dir_url
,
cache_url
=
cache_url
,
signature_certificate_list
=
signature_certificate_list
,
directory_key
=
directory_key
,
path
=
path
):
logger
.
info
(
'Downloaded %s from network cache.'
%
url
)
if
not
check_md5sum
(
path
,
md5sum
):
logger
.
info
(
'MD5 checksum mismatch downloading %s'
%
url
)
return
False
return
True
return
False
except
(
IOError
,
DirectoryNotFound
),
e
:
if
isinstance
(
e
,
urllib2
.
HTTPError
)
and
e
.
code
==
404
:
logger
.
debug
(
'%s does not exist in network cache.'
%
url
)
else
:
logger
.
debug
(
'Failed to download from network cache %s: %s'
%
\
(
url
,
str
(
e
)))
@
fallback_call
def
download_index_network_cached
(
dir_url
,
cache_url
,
url
,
requirement
,
logger
,
signature_certificate_list
):
"""
XXX description
Downloads pypi index from a network cache provider
If something fail (providor be offline, or hash_string fail), we ignore
network cached index.
return index if succeeded, False otherwise.
"""
if
not
LIBNETWORKCACHE_ENABLED
:
return
False
return
True
directory_key
=
get_index_directory_key
(
url
,
requirement
)
wanted_metadata_dict
=
{
'urlmd5'
:
hashlib
.
md5
(
url
).
hexdigest
(),
'requirement'
:
requirement
}
required_key_list
=
[
'base'
]
result
=
helper_download_network_cached
(
dir_url
,
cache_url
,
signature_certificate_list
,
directory_key
,
wanted_metadata_dict
,
required_key_list
)
if
result
:
file_descriptor
,
metadata
=
result
try
:
content
=
file_descriptor
.
read
()
logger
.
info
(
'Downloaded %s from network cache.'
%
url
)
return
content
,
metadata
[
'base'
]
except
(
IOError
,
DirectoryNotFound
),
e
:
if
isinstance
(
e
,
urllib2
.
HTTPError
)
and
e
.
code
==
404
:
logger
.
debug
(
'%s does not exist in network cache.'
%
url
)
else
:
logger
.
debug
(
'Failed to download from network cache %s: %s'
%
\
(
url
,
str
(
e
)))
return
False
@
fallback_call
def
upload_network_cached
(
dir_url
,
cache_url
,
external_url
,
path
,
logger
,
signature_private_key_file
,
shacache_cert_file
,
shacache_key_file
,
shadir_cert_file
,
shadir_key_file
):
"""Upload file to a network cache server"""
# XXX use helper and FACTOR code
if
not
LIBNETWORKCACHE_ENABLED
:
return
False
...
...
@@ -187,6 +216,64 @@ def upload_network_cached(dir_url, cache_url, external_url, path, logger,
return
True
@
fallback_call
def
upload_index_network_cached
(
dir_url
,
cache_url
,
external_url
,
base
,
requirement
,
content
,
logger
,
signature_private_key_file
,
shacache_cert_file
,
shacache_key_file
,
shadir_cert_file
,
shadir_key_file
):
# XXX use helper and FACTOR code
"""Upload content of a web page to a network cache server"""
if
not
LIBNETWORKCACHE_ENABLED
:
return
False
if
not
(
dir_url
and
cache_url
):
return
False
logger
.
info
(
'Uploading %s content into network cache.'
%
external_url
)
directory_key
=
get_index_directory_key
(
external_url
,
requirement
)
kw
=
dict
(
file
=
"file"
,
base
=
base
,
urlmd5
=
hashlib
.
md5
(
external_url
).
hexdigest
(),
requirement
=
requirement
)
import
tempfile
f
=
tempfile
.
TemporaryFile
()
f
.
write
(
content
)
# convert '' into None in order to call nc nicely
if
not
signature_private_key_file
:
signature_private_key_file
=
None
if
not
shacache_cert_file
:
shacache_cert_file
=
None
if
not
shacache_key_file
:
shacache_key_file
=
None
if
not
shadir_cert_file
:
shadir_cert_file
=
None
if
not
shadir_key_file
:
shadir_key_file
=
None
try
:
nc
=
NetworkcacheClient
(
cache_url
,
dir_url
,
signature_private_key_file
=
signature_private_key_file
,
shacache_cert_file
=
shacache_cert_file
,
shacache_key_file
=
shacache_key_file
,
shadir_cert_file
=
shadir_cert_file
,
shadir_key_file
=
shadir_key_file
)
except
TypeError
:
logger
.
warning
(
'Incompatible version of networkcache, not using it.'
)
return
False
try
:
return
nc
.
upload_generic
(
f
,
directory_key
,
**
kw
)
except
(
IOError
,
UploadError
),
e
:
logger
.
info
(
'Fail to upload file. %s'
%
\
(
str
(
e
)))
return
False
finally
:
f
.
close
()
return
True
@
fallback_call
def
get_filename_from_url
(
url
):
...
...
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