| 1 | """Utilities for CVS administration."""
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| 2 |
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| 3 | import string
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| 4 | import os
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| 5 | import time
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| 6 | import md5
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| 7 | import fnmatch
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| 8 |
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| 9 | if not hasattr(time, 'timezone'):
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| 10 | time.timezone = 0
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| 11 |
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| 12 | class File:
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| 13 |
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| 14 | """Represent a file's status.
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| 15 |
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| 16 | Instance variables:
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| 17 |
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| 18 | file -- the filename (no slashes), None if uninitialized
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| 19 | lseen -- true if the data for the local file is up to date
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| 20 | eseen -- true if the data from the CVS/Entries entry is up to date
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| 21 | (this implies that the entry must be written back)
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| 22 | rseen -- true if the data for the remote file is up to date
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| 23 | proxy -- RCSProxy instance used to contact the server, or None
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| 24 |
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| 25 | Note that lseen and rseen don't necessary mean that a local
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| 26 | or remote file *exists* -- they indicate that we've checked it.
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| 27 | However, eseen means that this instance corresponds to an
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| 28 | entry in the CVS/Entries file.
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| 29 |
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| 30 | If lseen is true:
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| 31 |
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| 32 | lsum -- checksum of the local file, None if no local file
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| 33 | lctime -- ctime of the local file, None if no local file
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| 34 | lmtime -- mtime of the local file, None if no local file
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| 35 |
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| 36 | If eseen is true:
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| 37 |
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| 38 | erev -- revision, None if this is a no revision (not '0')
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| 39 | enew -- true if this is an uncommitted added file
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| 40 | edeleted -- true if this is an uncommitted removed file
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| 41 | ectime -- ctime of last local file corresponding to erev
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| 42 | emtime -- mtime of last local file corresponding to erev
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| 43 | extra -- 5th string from CVS/Entries file
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| 44 |
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| 45 | If rseen is true:
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| 46 |
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| 47 | rrev -- revision of head, None if non-existent
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| 48 | rsum -- checksum of that revision, Non if non-existent
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| 49 |
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| 50 | If eseen and rseen are both true:
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| 51 |
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| 52 | esum -- checksum of revision erev, None if no revision
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| 53 |
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| 54 | Note
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| 55 | """
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| 56 |
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| 57 | def __init__(self, file = None):
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| 58 | if file and '/' in file:
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| 59 | raise ValueError, "no slash allowed in file"
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| 60 | self.file = file
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| 61 | self.lseen = self.eseen = self.rseen = 0
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| 62 | self.proxy = None
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| 63 |
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| 64 | def __cmp__(self, other):
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| 65 | return cmp(self.file, other.file)
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| 66 |
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| 67 | def getlocal(self):
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| 68 | try:
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| 69 | self.lmtime, self.lctime = os.stat(self.file)[-2:]
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| 70 | except os.error:
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| 71 | self.lmtime = self.lctime = self.lsum = None
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| 72 | else:
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| 73 | self.lsum = md5.new(open(self.file).read()).digest()
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| 74 | self.lseen = 1
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| 75 |
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| 76 | def getentry(self, line):
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| 77 | words = string.splitfields(line, '/')
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| 78 | if self.file and words[1] != self.file:
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| 79 | raise ValueError, "file name mismatch"
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| 80 | self.file = words[1]
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| 81 | self.erev = words[2]
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| 82 | self.edeleted = 0
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| 83 | self.enew = 0
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| 84 | self.ectime = self.emtime = None
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| 85 | if self.erev[:1] == '-':
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| 86 | self.edeleted = 1
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| 87 | self.erev = self.erev[1:]
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| 88 | if self.erev == '0':
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| 89 | self.erev = None
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| 90 | self.enew = 1
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| 91 | else:
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| 92 | dates = words[3]
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| 93 | self.ectime = unctime(dates[:24])
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| 94 | self.emtime = unctime(dates[25:])
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| 95 | self.extra = words[4]
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