Added new files that I forgot to add
svn: r444
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Don Allingham
parent
1a760a697c
commit
972689c30d
205
src/VersionControl.py
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205
src/VersionControl.py
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#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000 Donald N. Allingham
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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import popen2
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import re
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import os
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import string
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import shutil
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import intl
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_ = intl.gettext
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try:
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import gzip
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_gzip_ok = 1
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except:
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_gzip_ok = 0
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_revision_re = re.compile("revision\s+([\d\.]+)")
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_date_re = re.compile("date:\s+([^;]+);")
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_sep = '-' * 10
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_end = "=" * 10
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class VersionControl:
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"""Base class for revision control systems"""
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def __init__(self,wd):
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"""Initializes a version control system
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wd - working directory"""
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pass
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def revision_list(self):
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"""Returns a list of tuples indicating the available versions
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in the current revision control database. The tuple is in the
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form of three strings - (version,date,comment)."""
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return []
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def checkin(self,name,comment,binary,tag):
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"""Checks in a file into the revision control database
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name - file to check in
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comment - descriptive comment about the changes
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binary - true if the gramps database is compressed"""
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pass
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def set_tag(self,tag):
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"""Sets the tag to the symbolic string"""
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pass
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def get_version(self,version):
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"""Extracts a specfied version from the revision control database
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to the specified file
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version - string representing the version to extract
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target - file to extract to"""
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pass
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class RcsVersionControl(VersionControl):
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"""RCS (Revision Control System) based version control interface"""
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def __init__(self,wd):
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"""Initializes the RCS database if it does not already exist.
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Sets the database to disable locking"""
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self.wd = wd
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self.vfile = "%s/version,v" % wd
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self.tfile = "%s/version" % wd
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self.sym = {}
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if not os.path.exists(self.vfile):
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os.system('rcs -i -U -q -t-"GRAMPS database" %s' % self.vfile)
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def revision_list(self):
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"returns the list of revisions from an RCS file"
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rlist = []
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slog = 0
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sname = 0
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r,w = popen2.popen2("rlog %s" % self.vfile)
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for line in r.readlines():
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line = string.rstrip(line)
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if sname == 1:
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if line[0:3] == "key":
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sname = 0
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continue;
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else:
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s = string.split(string.strip(line),":")
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print "%s - %s" % (s[0],s[1])
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continue
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if line == "symbolic names:":
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sname = 1
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continue
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if slog:
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if line[0:10] == _sep or line[0:10] == _end:
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slog = 0
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rlist.append(v,d,string.join(l,'\n'))
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else:
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l.append(line)
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continue
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g = _revision_re.match(line)
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if g:
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v = g.group(1)
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continue
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g = _date_re.match(line)
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if g:
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d = g.group(1)
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slog = 1
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l = []
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w.close()
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r.close()
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return rlist
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def checkin(self,name,comment,binary):
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"checks in the file to the version,v file"
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if os.path.exists(self.tfile):
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os.remove(self.tfile)
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if binary and _gzip_ok:
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ifile = gzip.open(name)
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ofile = open(self.tfile,"w")
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ofile.writelines(ifile.readlines())
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ifile.close()
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ofile.close()
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else:
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try:
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os.link("%s/%s" %(self.wd,name),self.tfile)
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except OSError:
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shutil.copyfile("%s/%s" %(self.wd,name),self.tfile)
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proc = popen2.Popen3("ci -u %s" % self.tfile,1)
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proc.tochild.write(comment)
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proc.tochild.close()
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status = proc.wait()
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del proc
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os.remove(self.tfile)
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if status != 0:
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return status
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def set_tag(self,tag):
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"""Sets the tag to the symbolic string"""
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if tag != "":
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pproc = popen2.Popen3("rcs -N%s: %s" % (tag,self.tfile),1)
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proc.tochild.write(comment)
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proc.tochild.close()
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status = proc.wait()
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del proc
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return status
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def get_version(self,version_id):
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"""Extracts the requested version from the RCS database
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version_id - string containing the version to be extracted
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target - file to extract the file to."""
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r,w,e = popen2.popen3("co -p%s %s" % (version_id,self.vfile))
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return r
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_version_control_list = [(RcsVersionControl, _("RCS"))]
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def register_version_control(vc_class, description=None):
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"""Registers a version control class with gramps
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vc_class - VersionControl derived class to register
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description - brief description of version control interface"""
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if description == None:
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description = _("No description")
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_version_control_list.append((vc_class,description))
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def get_vc_list():
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"""Returns a tuple representing the registered version control
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classes. The tuple is in the format of (class,description)"""
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return _version_control_list
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if __name__ == "__main__":
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import sys
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c = RcsVersionControl(os.getcwd())
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if sys.argv[1] == "log":
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for val in c.revision_list():
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print "%s - %s : %s" % val
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elif sys.argv[1] == "ci":
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c.checkin(sys.argv[2],"mycomment",0)
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for val in c.revision_list():
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print "%s - %s : %s" % val
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elif sys.argv[1] == "co":
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f = c.get_version(sys.argv[2])
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for l in f.readlines():
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print l
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f.close()
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