symbian-qemu-0.9.1-12/python-2.6.1/Demo/pdist/cvslib.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/cvslib.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,364 @@
+"""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 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 self.values():
+            f.write(e.putentry())
+        f.close()
+
+    def getlocalfiles(self):
+        list = self.entries.keys()
+        addlist = os.listdir(os.curdir)
+        for name in addlist:
+            if name in list:
+                continue
+            if not self.ignored(name):
+                list.append(name)
+        list.sort()
+        for file in list:
+            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 self.values():
+            e.report()
+        print '-'*50
+
+    def keys(self):
+        keys = self.entries.keys()
+        keys.sort()
+        return keys
+
+    def values(self):
+        def value(key, self=self):
+            return self.entries[key]
+        return map(value, self.keys())
+
+    def items(self):
+        def item(key, self=self):
+            return (key, self.entries[key])
+        return map(item, 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] = 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()