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Diffstat (limited to 'Demo/pdist/rcvs.py')
| -rwxr-xr-x | Demo/pdist/rcvs.py | 476 |
1 files changed, 0 insertions, 476 deletions
diff --git a/Demo/pdist/rcvs.py b/Demo/pdist/rcvs.py deleted file mode 100755 index ff178b7..0000000 --- a/Demo/pdist/rcvs.py +++ /dev/null @@ -1,476 +0,0 @@ -#! /usr/bin/env python3 - -"""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 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:", end=' ') - print(self.file, end=' ') - 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 = 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, ' '.join(files), - ' '.join(files), message) - print('-'*70) - print(mailtext) - print('-'*70) - ok = input("OK to mail to %s? " % towhom) - if ok.lower().strip() 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 file in self.entries: - e = self.entries[file] - else: - e = self.FileClass(file) - self.entries[file] = e - list.append(e) - else: - list = list(self.entries.values()) - for file in self.proxy.listfiles(): - if file in self.entries: - continue - e = self.FileClass(file) - self.entries[file] = e - list.append(e) - if localfilestoo: - for file in os.listdir(os.curdir): - if file not in self.entries \ - 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() |