1995-04-28 05:24:16 +08:00
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"""Utilities for CVS administration."""
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1995-04-27 06:57:11 +08:00
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import string
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import os
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import time
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1995-04-28 05:24:16 +08:00
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import md5
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import fnmatch
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1995-04-27 06:57:11 +08:00
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1995-10-08 03:25:25 +08:00
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if not hasattr(time, 'timezone'):
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time.timezone = 0
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1995-04-27 06:57:11 +08:00
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1995-04-28 05:24:16 +08:00
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class File:
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1995-04-27 06:57:11 +08:00
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1995-04-28 05:24:16 +08:00
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"""Represent a file's status.
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Instance variables:
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file -- the filename (no slashes), None if uninitialized
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lseen -- true if the data for the local file is up to date
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eseen -- true if the data from the CVS/Entries entry is up to date
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(this implies that the entry must be written back)
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rseen -- true if the data for the remote file is up to date
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1995-05-02 04:06:06 +08:00
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proxy -- RCSProxy instance used to contact the server, or None
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1995-04-28 05:24:16 +08:00
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Note that lseen and rseen don't necessary mean that a local
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or remote file *exists* -- they indicate that we've checked it.
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However, eseen means that this instance corresponds to an
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entry in the CVS/Entries file.
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If lseen is true:
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1995-04-27 06:57:11 +08:00
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1995-04-28 05:24:16 +08:00
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lsum -- checksum of the local file, None if no local file
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lctime -- ctime of the local file, None if no local file
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lmtime -- mtime of the local file, None if no local file
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If eseen is true:
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erev -- revision, None if this is a no revision (not '0')
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enew -- true if this is an uncommitted added file
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edeleted -- true if this is an uncommitted removed file
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ectime -- ctime of last local file corresponding to erev
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emtime -- mtime of last local file corresponding to erev
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1995-06-21 09:00:46 +08:00
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extra -- 5th string from CVS/Entries file
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1995-04-28 05:24:16 +08:00
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If rseen is true:
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rrev -- revision of head, None if non-existent
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rsum -- checksum of that revision, Non if non-existent
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If eseen and rseen are both true:
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esum -- checksum of revision erev, None if no revision
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Note
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"""
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def __init__(self, file = None):
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if file and '/' in file:
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raise ValueError, "no slash allowed in file"
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self.file = file
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self.lseen = self.eseen = self.rseen = 0
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1995-05-02 04:06:06 +08:00
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self.proxy = None
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def __cmp__(self, other):
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return cmp(self.file, other.file)
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1995-04-28 05:24:16 +08:00
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def getlocal(self):
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try:
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self.lmtime, self.lctime = os.stat(self.file)[-2:]
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except os.error:
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1995-05-02 04:06:06 +08:00
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self.lmtime = self.lctime = self.lsum = None
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1995-04-28 05:24:16 +08:00
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else:
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2002-04-18 05:53:21 +08:00
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self.lsum = md5.new(open(self.file).read()).digest()
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1995-04-28 05:24:16 +08:00
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self.lseen = 1
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def getentry(self, line):
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1995-04-27 06:57:11 +08:00
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words = string.splitfields(line, '/')
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1995-04-28 05:24:16 +08:00
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if self.file and words[1] != self.file:
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raise ValueError, "file name mismatch"
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1995-04-27 06:57:11 +08:00
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self.file = words[1]
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1995-04-28 05:24:16 +08:00
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self.erev = words[2]
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self.edeleted = 0
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self.enew = 0
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self.ectime = self.emtime = None
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if self.erev[:1] == '-':
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self.edeleted = 1
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self.erev = self.erev[1:]
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if self.erev == '0':
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self.erev = None
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self.enew = 1
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1995-04-27 06:57:11 +08:00
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else:
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1995-04-28 05:24:16 +08:00
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dates = words[3]
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self.ectime = unctime(dates[:24])
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self.emtime = unctime(dates[25:])
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1995-04-27 06:57:11 +08:00
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self.extra = words[4]
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1995-04-28 05:24:16 +08:00
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if self.rseen:
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self.getesum()
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self.eseen = 1
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1995-05-02 04:06:06 +08:00
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def getremote(self, proxy = None):
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if proxy:
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self.proxy = proxy
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1995-04-28 05:24:16 +08:00
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try:
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self.rrev = self.proxy.head(self.file)
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except (os.error, IOError):
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self.rrev = None
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if self.rrev:
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self.rsum = self.proxy.sum(self.file)
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1995-04-27 06:57:11 +08:00
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else:
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1995-04-28 05:24:16 +08:00
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self.rsum = None
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if self.eseen:
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self.getesum()
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self.rseen = 1
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def getesum(self):
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if self.erev == self.rrev:
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self.esum = self.rsum
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elif self.erev:
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name = (self.file, self.erev)
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self.esum = self.proxy.sum(name)
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else:
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self.esum = None
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def putentry(self):
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"""Return a line suitable for inclusion in CVS/Entries.
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The returned line is terminated by a newline.
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If no entry should be written for this file,
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return "".
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"""
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if not self.eseen:
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return ""
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rev = self.erev or '0'
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if self.edeleted:
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rev = '-' + rev
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if self.enew:
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dates = 'Initial ' + self.file
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else:
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dates = gmctime(self.ectime) + ' ' + \
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gmctime(self.emtime)
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1995-04-27 06:57:11 +08:00
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return "/%s/%s/%s/%s/\n" % (
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self.file,
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1995-04-28 05:24:16 +08:00
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rev,
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1995-04-27 06:57:11 +08:00
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dates,
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self.extra)
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1995-04-28 05:24:16 +08:00
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def report(self):
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print '-'*50
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def r(key, repr=repr, self=self):
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try:
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value = repr(getattr(self, key))
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except AttributeError:
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value = "?"
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print "%-15s:" % key, value
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r("file")
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if self.lseen:
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r("lsum", hexify)
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r("lctime", gmctime)
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r("lmtime", gmctime)
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if self.eseen:
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r("erev")
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1995-04-28 22:33:08 +08:00
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r("enew")
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r("edeleted")
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1995-04-28 05:24:16 +08:00
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r("ectime", gmctime)
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r("emtime", gmctime)
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if self.rseen:
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r("rrev")
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r("rsum", hexify)
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if self.eseen:
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r("esum", hexify)
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1995-04-27 06:57:11 +08:00
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class CVS:
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1995-04-28 05:24:16 +08:00
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"""Represent the contents of a CVS admin file (and more).
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1995-04-27 06:57:11 +08:00
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1995-04-28 05:24:16 +08:00
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Class variables:
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FileClass -- the class to be instantiated for entries
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(this should be derived from class File above)
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IgnoreList -- shell patterns for local files to be ignored
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Instance variables:
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entries -- a dictionary containing File instances keyed by
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their file name
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proxy -- an RCSProxy instance, or None
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"""
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FileClass = File
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IgnoreList = ['.*', '@*', ',*', '*~', '*.o', '*.a', '*.so', '*.pyc']
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1995-04-27 06:57:11 +08:00
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def __init__(self):
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1995-04-28 05:24:16 +08:00
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self.entries = {}
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self.proxy = None
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def setproxy(self, proxy):
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if proxy is self.proxy:
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return
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self.proxy = proxy
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for e in self.entries.values():
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e.rseen = 0
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1995-04-27 06:57:11 +08:00
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1995-04-28 05:24:16 +08:00
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def getentries(self):
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"""Read the contents of CVS/Entries"""
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1995-04-27 06:57:11 +08:00
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self.entries = {}
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f = self.cvsopen("Entries")
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while 1:
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line = f.readline()
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if not line: break
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1995-04-28 05:24:16 +08:00
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e = self.FileClass()
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e.getentry(line)
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1995-04-27 06:57:11 +08:00
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self.entries[e.file] = e
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f.close()
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1995-04-28 05:24:16 +08:00
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def putentries(self):
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"""Write CVS/Entries back"""
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1995-04-27 06:57:11 +08:00
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f = self.cvsopen("Entries", 'w')
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1995-04-28 05:24:16 +08:00
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for e in self.values():
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1995-04-28 23:25:44 +08:00
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f.write(e.putentry())
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1995-04-27 06:57:11 +08:00
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f.close()
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1995-04-28 05:24:16 +08:00
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def getlocalfiles(self):
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list = self.entries.keys()
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addlist = os.listdir(os.curdir)
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for name in addlist:
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if name in list:
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continue
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if not self.ignored(name):
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list.append(name)
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list.sort()
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for file in list:
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try:
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e = self.entries[file]
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except KeyError:
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e = self.entries[file] = self.FileClass(file)
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e.getlocal()
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def getremotefiles(self, proxy = None):
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if proxy:
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self.proxy = proxy
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if not self.proxy:
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raise RuntimeError, "no RCS proxy"
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addlist = self.proxy.listfiles()
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for file in addlist:
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try:
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e = self.entries[file]
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except KeyError:
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e = self.entries[file] = self.FileClass(file)
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e.getremote(self.proxy)
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def report(self):
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for e in self.values():
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e.report()
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print '-'*50
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1995-04-27 06:57:11 +08:00
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def keys(self):
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keys = self.entries.keys()
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keys.sort()
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return keys
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1995-04-28 05:24:16 +08:00
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def values(self):
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def value(key, self=self):
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return self.entries[key]
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return map(value, self.keys())
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def items(self):
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def item(key, self=self):
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return (key, self.entries[key])
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return map(item, self.keys())
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1995-04-27 06:57:11 +08:00
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def cvsexists(self, file):
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file = os.path.join("CVS", file)
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return os.path.exists(file)
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def cvsopen(self, file, mode = 'r'):
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file = os.path.join("CVS", file)
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if 'r' not in mode:
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self.backup(file)
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return open(file, mode)
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def backup(self, file):
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if os.path.isfile(file):
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bfile = file + '~'
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1995-10-08 03:25:25 +08:00
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try: os.unlink(bfile)
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except os.error: pass
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1995-04-27 06:57:11 +08:00
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os.rename(file, bfile)
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1995-04-28 05:24:16 +08:00
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def ignored(self, file):
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2002-04-05 06:55:58 +08:00
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if os.path.isdir(file): return True
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1995-04-28 05:24:16 +08:00
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for pat in self.IgnoreList:
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2002-04-05 06:55:58 +08:00
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if fnmatch.fnmatch(file, pat): return True
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2002-04-05 07:03:47 +08:00
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return False
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1995-04-28 05:24:16 +08:00
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# hexify and unhexify are useful to print MD5 checksums in hex format
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1995-04-27 06:57:11 +08:00
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hexify_format = '%02x' * 16
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def hexify(sum):
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"Return a hex representation of a 16-byte string (e.g. an MD5 digest)"
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1995-04-28 05:24:16 +08:00
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if sum is None:
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return "None"
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1995-04-27 06:57:11 +08:00
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return hexify_format % tuple(map(ord, sum))
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def unhexify(hexsum):
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"Return the original from a hexified string"
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1995-04-28 05:24:16 +08:00
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if hexsum == "None":
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return None
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1995-04-27 06:57:11 +08:00
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sum = ''
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for i in range(0, len(hexsum), 2):
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sum = sum + chr(string.atoi(hexsum[i:i+2], 16))
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return sum
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unctime_monthmap = {}
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def unctime(date):
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1995-04-28 05:24:16 +08:00
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if date == "None": return None
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1995-04-27 06:57:11 +08:00
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if not unctime_monthmap:
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months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
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'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
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i = 0
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for m in months:
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i = i+1
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unctime_monthmap[m] = i
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words = string.split(date) # Day Mon DD HH:MM:SS YEAR
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year = string.atoi(words[4])
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month = unctime_monthmap[words[1]]
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day = string.atoi(words[2])
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[hh, mm, ss] = map(string.atoi, string.splitfields(words[3], ':'))
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ss = ss - time.timezone
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return time.mktime((year, month, day, hh, mm, ss, 0, 0, 0))
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def gmctime(t):
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1995-04-28 05:24:16 +08:00
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if t is None: return "None"
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1995-04-27 06:57:11 +08:00
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return time.asctime(time.gmtime(t))
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def test_unctime():
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now = int(time.time())
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t = time.gmtime(now)
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at = time.asctime(t)
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print 'GMT', now, at
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print 'timezone', time.timezone
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print 'local', time.ctime(now)
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u = unctime(at)
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print 'unctime()', u
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gu = time.gmtime(u)
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print '->', gu
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print time.asctime(gu)
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def test():
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x = CVS()
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1995-04-28 05:24:16 +08:00
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x.getentries()
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x.getlocalfiles()
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## x.report()
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import rcsclient
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proxy = rcsclient.openrcsclient()
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x.getremotefiles(proxy)
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|
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x.report()
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1995-04-27 06:57:11 +08:00
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|
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if __name__ == "__main__":
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|
|
test()
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