Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
W
wendelin.core
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Labels
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Commits
Open sidebar
Kirill Smelkov
wendelin.core
Commits
62a2fddc
Commit
62a2fddc
authored
Jan 08, 2020
by
Kirill Smelkov
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
.
parent
72311505
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
0 additions
and
47 deletions
+0
-47
wcfs/__init__.py
wcfs/__init__.py
+0
-47
No files found.
wcfs/__init__.py
View file @
62a2fddc
...
...
@@ -125,53 +125,6 @@ def _open(wc, obj, mode='rb', at=None):
return
open
(
path
,
mode
,
0
)
# unbuffered
"""
# open creates wcfs file handle, which can be mmaped to give data of ZBigFile.
#
# XXX more text
#
# All mmapings of one FileH share changes.
# There can be several different FileH for the same (at, oid), and those
# FileH do not share changes.
def open(self, zfile): # -> FileH
#assert isinstance(zfile, ZBigFile) # XXX import cycle
zconn = zfile._p_jar
# XXX ._start is probably ZODB5 only -> check ZODB4 and ZODB3
zat = p64(u64(zconn._storage._start)-1) # before -> at
# XXX pinned to @revX/... for now -> TODO /head/bigfile/...
path = '%s/@%s/bigfile/%s' % (self.mountpoint, h(zat), h(zfile._p_oid))
fd = os.open(path, os.O_RDONLY)
return FileH(fd)
"""
"""
# FileH is handle to opened bigfile/X.
#
# XXX it mimics BigFileH and should be integrated into virtmem (see fileh_open_overlay)
#
# XXX it should implement wcfs invalidation protocol and remmap head/... parts
# to pinned as requested.
import mmap
from bigarray import pagesize # XXX hack
from bigarray.array_ram import _VMA # XXX hack
class FileH(object):
# .fd
def __init__(self, fd):
self.fd = fd
def __del__(self):
os.close(self.fd)
def mmap(self, pgoffset, pglen):
return _VMA(self.fd, pgoffset, pglen, pagesize, mmap.PROT_READ)
"""
# ---- join/run wcfs ----
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment