symbian-qemu-0.9.1-12/python-2.6.1/Demo/pdist/rcvs.py
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Demo/pdist/rcvs.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,477 @@
+#! /usr/bin/env python
+
+"""Remote CVS -- command line interface"""
+
+# XXX To do:
+#
+# Bugs:
+# - if the remote file is deleted, "rcvs update" will fail
+#
+# Functionality:
+# - cvs rm
+# - descend into directories (alraedy done for update)
+# - conflict resolution
+# - other relevant commands?
+# - branches
+#
+# - Finesses:
+# - retain file mode's x bits
+# - complain when "nothing known about filename"
+# - edit log message the way CVS lets you edit it
+# - cvs diff -rREVA -rREVB
+# - send mail the way CVS sends it
+#
+# Performance:
+# - cache remote checksums (for every revision ever seen!)
+# - translate symbolic revisions to numeric revisions
+#
+# Reliability:
+# - remote locking
+#
+# Security:
+# - Authenticated RPC?
+
+
+from cvslib import CVS, File
+import md5
+import os
+import string
+import sys
+from cmdfw import CommandFrameWork
+
+
+DEF_LOCAL = 1                           # Default -l
+
+
+class MyFile(File):
+
+    def action(self):
+        """Return a code indicating the update status of this file.
+
+        The possible return values are:
+
+        '=' -- everything's fine
+        '0' -- file doesn't exist anywhere
+        '?' -- exists locally only
+        'A' -- new locally
+        'R' -- deleted locally
+        'U' -- changed remotely, no changes locally
+               (includes new remotely or deleted remotely)
+        'M' -- changed locally, no changes remotely
+        'C' -- conflict: changed locally as well as remotely
+               (includes cases where the file has been added
+               or removed locally and remotely)
+        'D' -- deleted remotely
+        'N' -- new remotely
+        'r' -- get rid of entry
+        'c' -- create entry
+        'u' -- update entry
+
+        (and probably others :-)
+        """
+        if not self.lseen:
+            self.getlocal()
+        if not self.rseen:
+            self.getremote()
+        if not self.eseen:
+            if not self.lsum:
+                if not self.rsum: return '0' # Never heard of
+                else:
+                    return 'N' # New remotely
+            else: # self.lsum
+                if not self.rsum: return '?' # Local only
+                # Local and remote, but no entry
+                if self.lsum == self.rsum:
+                    return 'c' # Restore entry only
+                else: return 'C' # Real conflict
+        else: # self.eseen
+            if not self.lsum:
+                if self.edeleted:
+                    if self.rsum: return 'R' # Removed
+                    else: return 'r' # Get rid of entry
+                else: # not self.edeleted
+                    if self.rsum:
+                        print "warning:",
+                        print self.file,
+                        print "was lost"
+                        return 'U'
+                    else: return 'r' # Get rid of entry
+            else: # self.lsum
+                if not self.rsum:
+                    if self.enew: return 'A' # New locally
+                    else: return 'D' # Deleted remotely
+                else: # self.rsum
+                    if self.enew:
+                        if self.lsum == self.rsum:
+                            return 'u'
+                        else:
+                            return 'C'
+                    if self.lsum == self.esum:
+                        if self.esum == self.rsum:
+                            return '='
+                        else:
+                            return 'U'
+                    elif self.esum == self.rsum:
+                        return 'M'
+                    elif self.lsum == self.rsum:
+                        return 'u'
+                    else:
+                        return 'C'
+
+    def update(self):
+        code = self.action()
+        if code == '=': return
+        print code, self.file
+        if code in ('U', 'N'):
+            self.get()
+        elif code == 'C':
+            print "%s: conflict resolution not yet implemented" % \
+                  self.file
+        elif code == 'D':
+            remove(self.file)
+            self.eseen = 0
+        elif code == 'r':
+            self.eseen = 0
+        elif code in ('c', 'u'):
+            self.eseen = 1
+            self.erev = self.rrev
+            self.enew = 0
+            self.edeleted = 0
+            self.esum = self.rsum
+            self.emtime, self.ectime = os.stat(self.file)[-2:]
+            self.extra = ''
+
+    def commit(self, message = ""):
+        code = self.action()
+        if code in ('A', 'M'):
+            self.put(message)
+            return 1
+        elif code == 'R':
+            print "%s: committing removes not yet implemented" % \
+                  self.file
+        elif code == 'C':
+            print "%s: conflict resolution not yet implemented" % \
+                  self.file
+
+    def diff(self, opts = []):
+        self.action()           # To update lseen, rseen
+        flags = ''
+        rev = self.rrev
+        # XXX should support two rev options too!
+        for o, a in opts:
+            if o == '-r':
+                rev = a
+            else:
+                flags = flags + ' ' + o + a
+        if rev == self.rrev and self.lsum == self.rsum:
+            return
+        flags = flags[1:]
+        fn = self.file
+        data = self.proxy.get((fn, rev))
+        sum = md5.new(data).digest()
+        if self.lsum == sum:
+            return
+        import tempfile
+        tf = tempfile.NamedTemporaryFile()
+        tf.write(data)
+        tf.flush()
+        print 'diff %s -r%s %s' % (flags, rev, fn)
+        sts = os.system('diff %s %s %s' % (flags, tf.name, fn))
+        if sts:
+            print '='*70
+
+    def commitcheck(self):
+        return self.action() != 'C'
+
+    def put(self, message = ""):
+        print "Checking in", self.file, "..."
+        data = open(self.file).read()
+        if not self.enew:
+            self.proxy.lock(self.file)
+        messages = self.proxy.put(self.file, data, message)
+        if messages:
+            print messages
+        self.setentry(self.proxy.head(self.file), self.lsum)
+
+    def get(self):
+        data = self.proxy.get(self.file)
+        f = open(self.file, 'w')
+        f.write(data)
+        f.close()
+        self.setentry(self.rrev, self.rsum)
+
+    def log(self, otherflags):
+        print self.proxy.log(self.file, otherflags)
+
+    def add(self):
+        self.eseen = 0          # While we're hacking...
+        self.esum = self.lsum
+        self.emtime, self.ectime = 0, 0
+        self.erev = ''
+        self.enew = 1
+        self.edeleted = 0
+        self.eseen = 1          # Done
+        self.extra = ''
+
+    def setentry(self, erev, esum):
+        self.eseen = 0          # While we're hacking...
+        self.esum = esum
+        self.emtime, self.ectime = os.stat(self.file)[-2:]
+        self.erev = erev
+        self.enew = 0
+        self.edeleted = 0
+        self.eseen = 1          # Done
+        self.extra = ''
+
+
+SENDMAIL = "/usr/lib/sendmail -t"
+MAILFORM = """To: %s
+Subject: CVS changes: %s
+
+...Message from rcvs...
+
+Committed files:
+        %s
+
+Log message:
+        %s
+"""
+
+
+class RCVS(CVS):
+
+    FileClass = MyFile
+
+    def __init__(self):
+        CVS.__init__(self)
+
+    def update(self, files):
+        for e in self.whichentries(files, 1):
+            e.update()
+
+    def commit(self, files, message = ""):
+        list = self.whichentries(files)
+        if not list: return
+        ok = 1
+        for e in list:
+            if not e.commitcheck():
+                ok = 0
+        if not ok:
+            print "correct above errors first"
+            return
+        if not message:
+            message = raw_input("One-liner: ")
+        committed = []
+        for e in list:
+            if e.commit(message):
+                committed.append(e.file)
+        self.mailinfo(committed, message)
+
+    def mailinfo(self, files, message = ""):
+        towhom = "sjoerd@cwi.nl, jack@cwi.nl" # XXX
+        mailtext = MAILFORM % (towhom, string.join(files),
+                                string.join(files), message)
+        print '-'*70
+        print mailtext
+        print '-'*70
+        ok = raw_input("OK to mail to %s? " % towhom)
+        if string.lower(string.strip(ok)) in ('y', 'ye', 'yes'):
+            p = os.popen(SENDMAIL, "w")
+            p.write(mailtext)
+            sts = p.close()
+            if sts:
+                print "Sendmail exit status %s" % str(sts)
+            else:
+                print "Mail sent."
+        else:
+            print "No mail sent."
+
+    def report(self, files):
+        for e in self.whichentries(files):
+            e.report()
+
+    def diff(self, files, opts):
+        for e in self.whichentries(files):
+            e.diff(opts)
+
+    def add(self, files):
+        if not files:
+            raise RuntimeError, "'cvs add' needs at least one file"
+        list = []
+        for e in self.whichentries(files, 1):
+            e.add()
+
+    def rm(self, files):
+        if not files:
+            raise RuntimeError, "'cvs rm' needs at least one file"
+        raise RuntimeError, "'cvs rm' not yet imlemented"
+
+    def log(self, files, opts):
+        flags = ''
+        for o, a in opts:
+            flags = flags + ' ' + o + a
+        for e in self.whichentries(files):
+            e.log(flags)
+
+    def whichentries(self, files, localfilestoo = 0):
+        if files:
+            list = []
+            for file in files:
+                if self.entries.has_key(file):
+                    e = self.entries[file]
+                else:
+                    e = self.FileClass(file)
+                    self.entries[file] = e
+                list.append(e)
+        else:
+            list = self.entries.values()
+            for file in self.proxy.listfiles():
+                if self.entries.has_key(file):
+                    continue
+                e = self.FileClass(file)
+                self.entries[file] = e
+                list.append(e)
+            if localfilestoo:
+                for file in os.listdir(os.curdir):
+                    if not self.entries.has_key(file) \
+                       and not self.ignored(file):
+                        e = self.FileClass(file)
+                        self.entries[file] = e
+                        list.append(e)
+            list.sort()
+        if self.proxy:
+            for e in list:
+                if e.proxy is None:
+                    e.proxy = self.proxy
+        return list
+
+
+class rcvs(CommandFrameWork):
+
+    GlobalFlags = 'd:h:p:qvL'
+    UsageMessage = \
+"usage: rcvs [-d directory] [-h host] [-p port] [-q] [-v] [subcommand arg ...]"
+    PostUsageMessage = \
+            "If no subcommand is given, the status of all files is listed"
+
+    def __init__(self):
+        """Constructor."""
+        CommandFrameWork.__init__(self)
+        self.proxy = None
+        self.cvs = RCVS()
+
+    def close(self):
+        if self.proxy:
+            self.proxy._close()
+        self.proxy = None
+
+    def recurse(self):
+        self.close()
+        names = os.listdir(os.curdir)
+        for name in names:
+            if name == os.curdir or name == os.pardir:
+                continue
+            if name == "CVS":
+                continue
+            if not os.path.isdir(name):
+                continue
+            if os.path.islink(name):
+                continue
+            print "--- entering subdirectory", name, "---"
+            os.chdir(name)
+            try:
+                if os.path.isdir("CVS"):
+                    self.__class__().run()
+                else:
+                    self.recurse()
+            finally:
+                os.chdir(os.pardir)
+                print "--- left subdirectory", name, "---"
+
+    def options(self, opts):
+        self.opts = opts
+
+    def ready(self):
+        import rcsclient
+        self.proxy = rcsclient.openrcsclient(self.opts)
+        self.cvs.setproxy(self.proxy)
+        self.cvs.getentries()
+
+    def default(self):
+        self.cvs.report([])
+
+    def do_report(self, opts, files):
+        self.cvs.report(files)
+
+    def do_update(self, opts, files):
+        """update [-l] [-R] [file] ..."""
+        local = DEF_LOCAL
+        for o, a in opts:
+            if o == '-l': local = 1
+            if o == '-R': local = 0
+        self.cvs.update(files)
+        self.cvs.putentries()
+        if not local and not files:
+            self.recurse()
+    flags_update = '-lR'
+    do_up = do_update
+    flags_up = flags_update
+
+    def do_commit(self, opts, files):
+        """commit [-m message] [file] ..."""
+        message = ""
+        for o, a in opts:
+            if o == '-m': message = a
+        self.cvs.commit(files, message)
+        self.cvs.putentries()
+    flags_commit = 'm:'
+    do_com = do_commit
+    flags_com = flags_commit
+
+    def do_diff(self, opts, files):
+        """diff [difflags] [file] ..."""
+        self.cvs.diff(files, opts)
+    flags_diff = 'cbitwcefhnlr:sD:S:'
+    do_dif = do_diff
+    flags_dif = flags_diff
+
+    def do_add(self, opts, files):
+        """add file ..."""
+        if not files:
+            print "'rcvs add' requires at least one file"
+            return
+        self.cvs.add(files)
+        self.cvs.putentries()
+
+    def do_remove(self, opts, files):
+        """remove file ..."""
+        if not files:
+            print "'rcvs remove' requires at least one file"
+            return
+        self.cvs.remove(files)
+        self.cvs.putentries()
+    do_rm = do_remove
+
+    def do_log(self, opts, files):
+        """log [rlog-options] [file] ..."""
+        self.cvs.log(files, opts)
+    flags_log = 'bhLNRtd:s:V:r:'
+
+
+def remove(fn):
+    try:
+        os.unlink(fn)
+    except os.error:
+        pass
+
+
+def main():
+    r = rcvs()
+    try:
+        r.run()
+    finally:
+        r.close()
+
+
+if __name__ == "__main__":
+    main()