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468 lines
10 KiB
Python
Executable file
468 lines
10 KiB
Python
Executable file
#! /usr/local/bin/python
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"""Remote CVS -- command line interface"""
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# XXX To do:
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#
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# Bugs:
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# - if the remote file is deleted, "rcvs update" will fail
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#
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# Functionality:
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# - cvs log
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# - cvs rm
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# - descend into directories (alraedy done for update)
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# - conflict resolution
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# - other relevant commands?
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# - branches
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#
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# - Finesses:
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# - retain file mode's x bits
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# - complain when "nothing known about filename"
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# - edit log message the way CVS lets you edit it
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# - cvs diff -rREVA -rREVB
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# - send mail the way CVS sends it
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#
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# Performance:
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# - cache remote checksums (for every revision ever seen!)
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# - translate symbolic revisions to numeric revisions
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#
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# Reliability:
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# - remote locking
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#
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# Security:
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# - Authenticated RPC?
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from cvslib import CVS, File
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import md5
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import os
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import string
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import sys
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from cmdfw import CommandFrameWork
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DEF_LOCAL = 1 # Default -l
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class MyFile(File):
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def action(self):
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"""Return a code indicating the update status of this file.
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The possible return values are:
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'=' -- everything's fine
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'0' -- file doesn't exist anywhere
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'?' -- exists locally only
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'A' -- new locally
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'R' -- deleted locally
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'U' -- changed remotely, no changes locally
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(includes new remotely or deleted remotely)
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'M' -- changed locally, no changes remotely
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'C' -- conflict: changed locally as well as remotely
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(includes cases where the file has been added
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or removed locally and remotely)
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'D' -- deleted remotely
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'N' -- new remotely
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'r' -- get rid of entry
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'c' -- create entry
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'u' -- update entry
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(and probably others :-)
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"""
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if not self.lseen:
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self.getlocal()
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if not self.rseen:
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self.getremote()
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if not self.eseen:
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if not self.lsum:
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if not self.rsum: return '0' # Never heard of
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else:
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return 'N' # New remotely
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else: # self.lsum
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if not self.rsum: return '?' # Local only
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# Local and remote, but no entry
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if self.lsum == self.rsum:
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return 'c' # Restore entry only
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else: return 'C' # Real conflict
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else: # self.eseen
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if not self.lsum:
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if self.edeleted:
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if self.rsum: return 'R' # Removed
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else: return 'r' # Get rid of entry
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else: # not self.edeleted
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if self.rsum:
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print "warning:",
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print self.file,
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print "was lost"
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return 'U'
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else: return 'r' # Get rid of entry
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else: # self.lsum
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if not self.rsum:
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if self.enew: return 'A' # New locally
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else: return 'D' # Deleted remotely
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else: # self.rsum
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if self.enew:
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if self.lsum == self.rsum:
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return 'u'
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else:
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return 'C'
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if self.lsum == self.esum:
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if self.esum == self.rsum:
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return '='
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else:
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return 'U'
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elif self.esum == self.rsum:
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return 'M'
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elif self.lsum == self.rsum:
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return 'u'
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else:
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return 'C'
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def update(self):
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code = self.action()
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if code == '=': return
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print code, self.file
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if code in ('U', 'N'):
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self.get()
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elif code == 'C':
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print "%s: conflict resolution not yet implemented" % \
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self.file
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elif code == 'D':
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remove(self.file)
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self.eseen = 0
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elif code == 'r':
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self.eseen = 0
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elif code in ('c', 'u'):
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self.eseen = 1
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self.erev = self.rrev
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self.enew = 0
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self.edeleted = 0
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self.esum = self.rsum
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self.emtime, self.ectime = os.stat(self.file)[-2:]
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self.extra = ''
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def commit(self, message = ""):
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code = self.action()
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if code in ('A', 'M'):
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self.put(message)
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elif code == 'R':
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print "%s: committing removes not yet implemented" % \
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self.file
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elif code == 'C':
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print "%s: conflict resolution not yet implemented" % \
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self.file
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def diff(self, opts = []):
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self.action() # To update lseen, rseen
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flags = ''
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rev = self.rrev
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# XXX should support two rev options too!
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for o, a in opts:
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if o == '-r':
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rev = a
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else:
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flags = flags + ' ' + o + a
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if rev == self.rrev and self.lsum == self.rsum:
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return
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flags = flags[1:]
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fn = self.file
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data = self.proxy.get((fn, rev))
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sum = md5.new(data).digest()
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if self.lsum == sum:
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return
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import tempfile
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tfn = tempfile.mktemp()
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try:
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tf = open(tfn, 'w')
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tf.write(data)
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tf.close()
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print 'diff %s -r%s %s' % (flags, rev, fn)
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sts = os.system('diff %s %s %s' % (flags, tfn, fn))
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if sts:
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print '='*70
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finally:
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remove(tfn)
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def commitcheck(self):
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return self.action() != 'C'
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def put(self, message = ""):
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print "Checking in", self.file, "..."
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data = open(self.file).read()
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if not self.enew:
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self.proxy.lock(self.file)
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messages = self.proxy.put(self.file, data, message)
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if messages:
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print messages
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self.setentry(self.proxy.head(self.file), self.lsum)
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def get(self):
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data = self.proxy.get(self.file)
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f = open(self.file, 'w')
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f.write(data)
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f.close()
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self.setentry(self.rrev, self.rsum)
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def add(self):
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self.eseen = 0 # While we're hacking...
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self.esum = self.lsum
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self.emtime, self.ectime = 0, 0
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self.erev = ''
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self.enew = 1
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self.edeleted = 0
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self.eseen = 1 # Done
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self.extra = ''
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def setentry(self, erev, esum):
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self.eseen = 0 # While we're hacking...
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self.esum = esum
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self.emtime, self.ectime = os.stat(self.file)[-2:]
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self.erev = erev
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self.enew = 0
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self.edeleted = 0
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self.eseen = 1 # Done
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self.extra = ''
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SENDMAIL = "/usr/lib/sendmail -t"
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MAILFORM = """To: %s
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Subject: CVS changes: %s
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...Message from rcvs...
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Committed files:
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%s
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Log message:
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%s
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"""
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class RCVS(CVS):
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FileClass = MyFile
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def __init__(self):
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CVS.__init__(self)
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def update(self, files):
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for e in self.whichentries(files, 1):
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e.update()
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def commit(self, files, message = ""):
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list = self.whichentries(files)
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if not list: return
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ok = 1
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for e in list:
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if not e.commitcheck():
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ok = 0
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if not ok:
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print "correct above errors first"
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return
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if not message:
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message = raw_input("One-liner: ")
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committed = []
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for e in list:
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committed.append(e.file)
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e.commit(message)
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self.mailinfo(committed, message)
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def mailinfo(self, files, message = ""):
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towhom = "sjoerd@cwi.nl, jack@cwi.nl" # XXX
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mailtext = MAILFORM % (towhom, string.join(files),
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string.join(files), message)
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print '-'*70
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print mailtext
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print '-'*70
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ok = raw_input("OK to mail to %s? " % towhom)
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if string.lower(string.strip(ok)) in ('y', 'ye', 'yes'):
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p = os.popen(SENDMAIL, "w")
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p.write(mailtext)
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sts = p.close()
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if sts:
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print "Sendmail exit status %s" % str(sts)
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else:
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print "Mail sent."
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else:
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print "No mail sent."
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def report(self, files):
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for e in self.whichentries(files):
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e.report()
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def diff(self, files, opts):
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for e in self.whichentries(files):
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e.diff(opts)
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def add(self, files):
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if not files:
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raise RuntimeError, "'cvs add' needs at least one file"
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list = []
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for e in self.whichentries(files, 1):
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code = e.action()
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print code, e.file
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e.report()
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e.add()
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code = e.action()
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print code, e.file
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e.report()
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print '='*20
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def rm(self, files):
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if not files:
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raise RuntimeError, "'cvs rm' needs at least one file"
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raise RuntimeError, "'cvs rm' not yet imlemented"
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def whichentries(self, files, localfilestoo = 0):
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if files:
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list = []
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for file in files:
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if self.entries.has_key(file):
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e = self.entries[file]
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else:
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e = self.FileClass(file)
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self.entries[file] = e
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list.append(e)
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else:
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list = self.entries.values()
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for file in self.proxy.listfiles():
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if self.entries.has_key(file):
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continue
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e = self.FileClass(file)
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self.entries[file] = e
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list.append(e)
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if localfilestoo:
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for file in os.listdir(os.curdir):
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if not self.entries.has_key(file) \
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and not self.ignored(file):
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e = self.FileClass(file)
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self.entries[file] = e
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list.append(e)
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list.sort()
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if self.proxy:
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for e in list:
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if e.proxy is None:
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e.proxy = self.proxy
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return list
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class rcvs(CommandFrameWork):
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GlobalFlags = 'd:h:p:qvL'
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UsageMessage = \
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"usage: rcvs [-d directory] [-h host] [-p port] [-q] [-v] [subcommand arg ...]"
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PostUsageMessage = \
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"If no subcommand is given, the status of all files is listed"
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def __init__(self):
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"""Constructor."""
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CommandFrameWork.__init__(self)
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self.proxy = None
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self.cvs = RCVS()
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def recurse(self):
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if self.proxy:
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self.proxy._close()
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self.proxy = None
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names = os.listdir(os.curdir)
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for name in names:
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if name == os.curdir or name == os.pardir:
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continue
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if name == "CVS":
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continue
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if not os.path.isdir(name):
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continue
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if os.path.islink(name):
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continue
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print "--- entering subdirectory", name, "---"
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os.chdir(name)
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try:
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if os.path.isdir("CVS"):
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self.__class__().run()
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else:
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self.recurse()
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finally:
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os.chdir(os.pardir)
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print "--- left subdirectory", name, "---"
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def options(self, opts):
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self.opts = opts
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def ready(self):
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import rcsclient
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self.proxy = rcsclient.openrcsclient(self.opts)
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self.cvs.setproxy(self.proxy)
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self.cvs.getentries()
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def default(self):
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self.cvs.report([])
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def do_report(self, opts, files):
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self.cvs.report(files)
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def do_update(self, opts, files):
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"""update [-l] [-R] [file] ..."""
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local = DEF_LOCAL
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for o, a in opts:
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if o == '-l': local = 1
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if o == '-R': local = 0
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self.cvs.update(files)
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self.cvs.putentries()
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if not local and not files:
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self.recurse()
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flags_update = '-lR'
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do_up = do_update
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flags_up = flags_update
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def do_commit(self, opts, files):
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"""commit [-m message] [file] ..."""
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message = ""
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for o, a in opts:
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if o == '-m': message = a
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self.cvs.commit(files, message)
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self.cvs.putentries()
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flags_commit = 'm:'
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do_com = do_commit
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flags_com = flags_commit
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def do_diff(self, opts, files):
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"""diff [difflags] [file] ..."""
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self.cvs.diff(files, opts)
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flags_diff = 'cbitwcefhnlr:sD:S:'
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do_dif = do_diff
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flags_dif = flags_diff
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def do_add(self, opts, files):
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"""add file ..."""
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if not files:
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print "'rcvs add' requires at least one file"
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return
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self.cvs.add(files)
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self.cvs.putentries()
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def do_remove(self, opts, files):
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"""remove file ..."""
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if not files:
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print "'rcvs remove' requires at least one file"
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return
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self.cvs.remove(files)
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self.cvs.putentries()
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do_rm = do_remove
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def remove(fn):
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try:
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os.unlink(fn)
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except os.error:
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pass
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def main():
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rcvs().run()
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if __name__ == "__main__":
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main()
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