Mercurial > public > mercurial-scm > hg

annotate mercurial/appendfile.py @ 2027:94d3170399e1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
work around python bug on solaris 10. write to file opened mode 'a+' should write to end of file and update offset pointer, but does not (solaris 10 has python 2.3.3). fix is to always seek.
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Thu, 30 Mar 2006 19:28:41 -0800
parents db1eb0de286a
children 343aeefb553b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1999
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
1 # appendfile.py - special classes to make repo updates atomic
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
2 #
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
3 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
4 #
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
5 # This software may be used and distributed according to the terms
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
6 # of the GNU General Public License, incorporated herein by reference.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
7
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
8 from demandload import *
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
9 demandload(globals(), "cStringIO changelog manifest os tempfile")
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
10
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
11 # writes to metadata files are ordered. reads: changelog, manifest,
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
12 # normal files. writes: normal files, manifest, changelog.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
13
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
14 # manifest contains pointers to offsets in normal files. changelog
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
15 # contains pointers to offsets in manifest. if reader reads old
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
16 # changelog while manifest or normal files are written, it has no
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
17 # pointers into new parts of those files that are maybe not consistent
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
18 # yet, so will not read them.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
19
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
20 # localrepo.addchangegroup thinks it writes changelog first, then
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
21 # manifest, then normal files (this is order they are available, and
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
22 # needed for computing linkrev fields), but uses appendfile to hide
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
23 # updates from readers. data not written to manifest or changelog
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
24 # until all normal files updated. write manifest first, then
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
25 # changelog.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
26
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
27 # with this write ordering, readers cannot see inconsistent view of
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
28 # repo during update.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
29
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
30 class appendfile(object):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
31 '''implement enough of file protocol to append to revlog file.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
32 appended data is written to temp file. reads and seeks span real
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
33 file and temp file. readers cannot see appended data until
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
34 writedata called.'''
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
35
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
36 def __init__(self, fp):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
37 fd, self.tmpname = tempfile.mkstemp()
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
38 self.tmpfp = os.fdopen(fd, 'ab+')
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
39 self.realfp = fp
2010
db1eb0de286a fix appendfile problem on macos.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1999
diff changeset
40 self.offset = fp.tell()
1999
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
41 # real file is not written by anyone else. cache its size so
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
42 # seek and read can be fast.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
43 self.fpsize = os.fstat(fp.fileno()).st_size
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
44
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
45 def seek(self, offset):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
46 '''virtual file offset spans real file and temp file.'''
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
47 self.offset = offset
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
48 if self.offset < self.fpsize:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
49 self.realfp.seek(self.offset)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
50 else:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
51 self.tmpfp.seek(self.offset - self.fpsize)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
52
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
53 def read(self, count=-1):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
54 '''only trick here is reads that span real file and temp file.'''
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
55 fp = cStringIO.StringIO()
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
56 old_offset = self.offset
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
57 if self.offset < self.fpsize:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
58 s = self.realfp.read(count)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
59 fp.write(s)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
60 self.offset += len(s)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
61 if count > 0:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
62 count -= len(s)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
63 if count != 0:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
64 if old_offset != self.offset:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
65 self.tmpfp.seek(self.offset - self.fpsize)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
66 s = self.tmpfp.read(count)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
67 fp.write(s)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
68 self.offset += len(s)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
69 return fp.getvalue()
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
70
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
71 def write(self, s):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
72 '''append to temp file.'''
2027
94d3170399e1 work around python bug on solaris 10.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2010
diff changeset
73 self.tmpfp.seek(0, 2)
1999
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
74 self.tmpfp.write(s)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
75 # all writes are appends, so offset must go to end of file.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
76 self.offset = self.fpsize + self.tmpfp.tell()
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
77
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
78 def writedata(self):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
79 '''copy data from temp file to real file.'''
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
80 self.tmpfp.seek(0)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
81 s = self.tmpfp.read()
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
82 self.tmpfp.close()
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
83 self.realfp.seek(0, 2)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
84 # small race here. we write all new data in one call, but
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
85 # reader can see partial update due to python or os. file
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
86 # locking no help: slow, not portable, not reliable over nfs.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
87 # only safe thing is write to temp file every time and rename,
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
88 # but performance bad when manifest or changelog gets big.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
89 self.realfp.write(s)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
90 self.realfp.close()
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
91
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
92 def __del__(self):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
93 '''delete temp file even if exception raised.'''
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
94 try: os.unlink(self.tmpname)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
95 except: pass
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
96
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
97 class sharedfile(object):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
98 '''let file objects share a single appendfile safely. each
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
99 sharedfile has own offset, syncs up with appendfile offset before
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
100 read and after read and write.'''
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
101
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
102 def __init__(self, fp):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
103 self.fp = fp
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
104 self.offset = 0
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
105
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
106 def seek(self, offset):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
107 self.offset = offset
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
108
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
109 def read(self, count=-1):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
110 try:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
111 if self.offset != self.fp.offset:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
112 self.fp.seek(self.offset)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
113 return self.fp.read(count)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
114 finally:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
115 self.offset = self.fp.offset
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
116
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
117 def write(self, s):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
118 try:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
119 return self.fp.write(s)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
120 finally:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
121 self.offset = self.fp.offset
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
122
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
123 def close(self):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
124 # revlog wants this.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
125 pass
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
126
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
127 def flush(self):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
128 # revlog wants this.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
129 pass
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
130
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
131 def writedata(self):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
132 self.fp.writedata()
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
133
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
134 class appendopener(object):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
135 '''special opener for files that only read or append.'''
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
136
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
137 def __init__(self, opener):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
138 self.realopener = opener
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
139 # key: file name, value: appendfile object
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
140 self.fps = {}
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
141
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
142 def __call__(self, name, mode='r'):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
143 '''open file. return same cached appendfile object for every
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
144 later call.'''
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
145
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
146 assert mode in 'ra'
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
147 fp = self.fps.get(name)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
148 if fp is None:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
149 fp = appendfile(self.realopener(name, 'a+'))
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
150 self.fps[name] = fp
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
151 return sharedfile(fp)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
152
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
153 def writedata(self):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
154 '''copy data from temp files to real files.'''
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
155 # write .d file before .i file.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
156 fps = self.fps.items()
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
157 fps.sort()
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
158 for name, fp in fps:
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
159 fp.writedata()
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
160
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
161 # files for changelog and manifest are in different appendopeners, so
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
162 # not mixed up together.
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
163
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
164 class appendchangelog(changelog.changelog, appendopener):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
165 def __init__(self, opener):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
166 appendopener.__init__(self, opener)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
167 changelog.changelog.__init__(self, self)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
168
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
169 class appendmanifest(manifest.manifest, appendopener):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
170 def __init__(self, opener):
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
171 appendopener.__init__(self, opener)
fdb3a72ef664 forgot to add new module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
172 manifest.manifest.__init__(self, self)