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-rw-r--r--Demo/pdist/cvslib.py359
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diff --git a/Demo/pdist/cvslib.py b/Demo/pdist/cvslib.py
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index 78e4fbb..0000000
--- a/Demo/pdist/cvslib.py
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-"""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()
generated by cgit v0.12 at 2024-11-24 19:34:10 (GMT)