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Diffstat (limited to 'Demo/pdist/cvslib.py')
-rwxr-xr-x | Demo/pdist/cvslib.py | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/Demo/pdist/cvslib.py b/Demo/pdist/cvslib.py deleted file mode 100755 index 78e4fbb..0000000 --- a/Demo/pdist/cvslib.py +++ /dev/null @@ -1,359 +0,0 @@ -"""Utilities for CVS administration.""" - -import string -import os -import time -import md5 -import fnmatch - -if not hasattr(time, 'timezone'): - time.timezone = 0 - -class File: - - """Represent a file's status. - - Instance variables: - - file -- the filename (no slashes), None if uninitialized - lseen -- true if the data for the local file is up to date - eseen -- true if the data from the CVS/Entries entry is up to date - (this implies that the entry must be written back) - rseen -- true if the data for the remote file is up to date - proxy -- RCSProxy instance used to contact the server, or None - - Note that lseen and rseen don't necessary mean that a local - or remote file *exists* -- they indicate that we've checked it. - However, eseen means that this instance corresponds to an - entry in the CVS/Entries file. - - If lseen is true: - - lsum -- checksum of the local file, None if no local file - lctime -- ctime of the local file, None if no local file - lmtime -- mtime of the local file, None if no local file - - If eseen is true: - - erev -- revision, None if this is a no revision (not '0') - enew -- true if this is an uncommitted added file - edeleted -- true if this is an uncommitted removed file - ectime -- ctime of last local file corresponding to erev - emtime -- mtime of last local file corresponding to erev - extra -- 5th string from CVS/Entries file - - If rseen is true: - - rrev -- revision of head, None if non-existent - rsum -- checksum of that revision, Non if non-existent - - If eseen and rseen are both true: - - esum -- checksum of revision erev, None if no revision - - Note - """ - - def __init__(self, file = None): - if file and '/' in file: - raise ValueError("no slash allowed in file") - self.file = file - self.lseen = self.eseen = self.rseen = 0 - self.proxy = None - - def __cmp__(self, other): - return cmp(self.file, other.file) - - def getlocal(self): - try: - self.lmtime, self.lctime = os.stat(self.file)[-2:] - except os.error: - self.lmtime = self.lctime = self.lsum = None - else: - self.lsum = md5.new(open(self.file).read()).digest() - self.lseen = 1 - - def getentry(self, line): - words = string.splitfields(line, '/') - if self.file and words[1] != self.file: - raise ValueError("file name mismatch") - self.file = words[1] - self.erev = words[2] - self.edeleted = 0 - self.enew = 0 - self.ectime = self.emtime = None - if self.erev[:1] == '-': - self.edeleted = 1 - self.erev = self.erev[1:] - if self.erev == '0': - self.erev = None - self.enew = 1 - else: - dates = words[3] - self.ectime = unctime(dates[:24]) - self.emtime = unctime(dates[25:]) - self.extra = words[4] - if self.rseen: - self.getesum() - self.eseen = 1 - - def getremote(self, proxy = None): - if proxy: - self.proxy = proxy - try: - self.rrev = self.proxy.head(self.file) - except (os.error, IOError): - self.rrev = None - if self.rrev: - self.rsum = self.proxy.sum(self.file) - else: - self.rsum = None - if self.eseen: - self.getesum() - self.rseen = 1 - - def getesum(self): - if self.erev == self.rrev: - self.esum = self.rsum - elif self.erev: - name = (self.file, self.erev) - self.esum = self.proxy.sum(name) - else: - self.esum = None - - def putentry(self): - """Return a line suitable for inclusion in CVS/Entries. - - The returned line is terminated by a newline. - If no entry should be written for this file, - return "". - """ - if not self.eseen: - return "" - - rev = self.erev or '0' - if self.edeleted: - rev = '-' + rev - if self.enew: - dates = 'Initial ' + self.file - else: - dates = gmctime(self.ectime) + ' ' + \ - gmctime(self.emtime) - return "/%s/%s/%s/%s/\n" % ( - self.file, - rev, - dates, - self.extra) - - def report(self): - print('-'*50) - def r(key, repr=repr, self=self): - try: - value = repr(getattr(self, key)) - except AttributeError: - value = "?" - print("%-15s:" % key, value) - r("file") - if self.lseen: - r("lsum", hexify) - r("lctime", gmctime) - r("lmtime", gmctime) - if self.eseen: - r("erev") - r("enew") - r("edeleted") - r("ectime", gmctime) - r("emtime", gmctime) - if self.rseen: - r("rrev") - r("rsum", hexify) - if self.eseen: - r("esum", hexify) - - -class CVS: - - """Represent the contents of a CVS admin file (and more). - - Class variables: - - FileClass -- the class to be instantiated for entries - (this should be derived from class File above) - IgnoreList -- shell patterns for local files to be ignored - - Instance variables: - - entries -- a dictionary containing File instances keyed by - their file name - proxy -- an RCSProxy instance, or None - """ - - FileClass = File - - IgnoreList = ['.*', '@*', ',*', '*~', '*.o', '*.a', '*.so', '*.pyc'] - - def __init__(self): - self.entries = {} - self.proxy = None - - def setproxy(self, proxy): - if proxy is self.proxy: - return - self.proxy = proxy - for e in list(self.entries.values()): - e.rseen = 0 - - def getentries(self): - """Read the contents of CVS/Entries""" - self.entries = {} - f = self.cvsopen("Entries") - while 1: - line = f.readline() - if not line: break - e = self.FileClass() - e.getentry(line) - self.entries[e.file] = e - f.close() - - def putentries(self): - """Write CVS/Entries back""" - f = self.cvsopen("Entries", 'w') - for e in list(self.values()): - f.write(e.putentry()) - f.close() - - def getlocalfiles(self): - entries_keys = set(self.entries.keys()) - addlist = os.listdir(os.curdir) - for name in addlist: - if not self.ignored(name): - entries_keys.add(name) - for file in sorted(entries_keys): - try: - e = self.entries[file] - except KeyError: - e = self.entries[file] = self.FileClass(file) - e.getlocal() - - def getremotefiles(self, proxy = None): - if proxy: - self.proxy = proxy - if not self.proxy: - raise RuntimeError("no RCS proxy") - addlist = self.proxy.listfiles() - for file in addlist: - try: - e = self.entries[file] - except KeyError: - e = self.entries[file] = self.FileClass(file) - e.getremote(self.proxy) - - def report(self): - for e in list(self.values()): - e.report() - print('-'*50) - - def keys(self): - return sorted(self.entries.keys()) - - def values(self): - def value(key, self=self): - return self.entries[key] - return [value(k) for k in self.keys()] - - def items(self): - def item(key, self=self): - return (key, self.entries[key]) - return [item(k) for k in self.keys()] - - def cvsexists(self, file): - file = os.path.join("CVS", file) - return os.path.exists(file) - - def cvsopen(self, file, mode = 'r'): - file = os.path.join("CVS", file) - if 'r' not in mode: - self.backup(file) - return open(file, mode) - - def backup(self, file): - if os.path.isfile(file): - bfile = file + '~' - try: os.unlink(bfile) - except os.error: pass - os.rename(file, bfile) - - def ignored(self, file): - if os.path.isdir(file): return True - for pat in self.IgnoreList: - if fnmatch.fnmatch(file, pat): return True - return False - - -# hexify and unhexify are useful to print MD5 checksums in hex format - -hexify_format = '%02x' * 16 -def hexify(sum): - "Return a hex representation of a 16-byte string (e.g. an MD5 digest)" - if sum is None: - return "None" - return hexify_format % tuple(map(ord, sum)) - -def unhexify(hexsum): - "Return the original from a hexified string" - if hexsum == "None": - return None - sum = '' - for i in range(0, len(hexsum), 2): - sum = sum + chr(string.atoi(hexsum[i:i+2], 16)) - return sum - - -unctime_monthmap = {} -def unctime(date): - if date == "None": return None - if not unctime_monthmap: - months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', - 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] - i = 0 - for m in months: - i = i+1 - unctime_monthmap[m] = i - words = string.split(date) # Day Mon DD HH:MM:SS YEAR - year = string.atoi(words[4]) - month = unctime_monthmap[words[1]] - day = string.atoi(words[2]) - [hh, mm, ss] = list(map(string.atoi, string.splitfields(words[3], ':'))) - ss = ss - time.timezone - return time.mktime((year, month, day, hh, mm, ss, 0, 0, 0)) - -def gmctime(t): - if t is None: return "None" - return time.asctime(time.gmtime(t)) - -def test_unctime(): - now = int(time.time()) - t = time.gmtime(now) - at = time.asctime(t) - print('GMT', now, at) - print('timezone', time.timezone) - print('local', time.ctime(now)) - u = unctime(at) - print('unctime()', u) - gu = time.gmtime(u) - print('->', gu) - print(time.asctime(gu)) - -def test(): - x = CVS() - x.getentries() - x.getlocalfiles() -## x.report() - import rcsclient - proxy = rcsclient.openrcsclient() - x.getremotefiles(proxy) - x.report() - - -if __name__ == "__main__": - test() |