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viewvc-4intranet/viewcvs-install

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#!/usr/bin/env python
# -*- Mode: python -*-
#
# Copyright (C) 2000-2002 The ViewCVS Group. All Rights Reserved.
#
# By using this file, you agree to the terms and conditions set forth in
# the LICENSE.html file which can be found at the top level of the ViewCVS
# distribution or at http://viewcvs.sourceforge.net/license-1.html.
#
# Contact information:
# Greg Stein, PO Box 760, Palo Alto, CA, 94302
# gstein@lyra.org, http://viewcvs.sourceforge.net/
#
# -----------------------------------------------------------------------
#
# install script for viewcvs -- temporary?
#
# ### this will eventually be replaced by autoconf plus tools. an
# ### interactive front-end to ./configure may be provided.
#
# -----------------------------------------------------------------------
#
import os
import sys
import string
import re
import traceback
import py_compile
import StringIO
# get access to our library modules
sys.path.insert(0, os.path.join(os.path.dirname(sys.argv[0]), 'lib'))
import compat
import viewcvs
import ndiff
version = viewcvs.__version__
## installer text
INFO_TEXT = """\
This is the ViewCVS %s installer.
It will allow you to choose the install path for ViewCVS. You will
now be asked some installation questions.
Defaults are given in square brackets. Just hit [Enter] if a default
is okay.
""" % version
## installer defaults
if sys.platform == "win32":
pf = os.getenv("ProgramFiles", "C:\\Program Files")
ROOT_DIR = os.path.join(pf, "viewcvs-" + version)
else:
ROOT_DIR = "/usr/local/viewcvs-" + version
## list of files for installation
## tuple (source path, destination path, install mode, true/false flag for
## search-and-replace, flag or text for prompt before replace,
## compile_it)
##
FILE_INFO_LIST = [
("www/cgi/viewcvs.cgi", "www/cgi/viewcvs.cgi", 0755, 1, 0, 0),
("www/cgi/query.cgi", "www/cgi/query.cgi", 0755, 1, 0, 0),
("www/mod_python/viewcvs.py", "www/mod_python/viewcvs.py", 0755, 1, 0, 0),
("www/mod_python/query.py", "www/mod_python/query.py", 0755, 1, 0, 0),
("www/mod_python/.htaccess", "www/mod_python/.htaccess", 0755, 1, 0, 0),
("standalone.py", "standalone.py", 0755, 1, 0, 0),
("viewcvs.conf.dist", "viewcvs.conf", 0644, 1,
"""Note: If you are upgrading from viewcvs-0.7 or earlier:
The section [text] has been removed from viewcvs.conf. The functionality
went into the new files in subdirectory templates.""", 0),
("cvsgraph.conf.dist", "cvsgraph.conf", 0644, 0, 1, 0),
("tools/loginfo-handler", "loginfo-handler", 0755, 1, 0, 0),
("tools/cvsdbadmin", "cvsdbadmin", 0755, 1, 0, 0),
("tools/svndbadmin", "svndbadmin", 0755, 1, 0, 0),
("tools/make-database", "make-database", 0755, 1, 0, 0),
]
if sys.platform == "win32":
FILE_INFO_LIST.extend([
("www/asp/viewcvs.asp", "www/asp/viewcvs.asp", 0755, 1, 0, 0),
("www/asp/query.asp", "www/asp/query.asp", 0755, 1, 0, 0),
])
TREE_LIST = [
("lib", "lib", 0),
("website", "doc", 0),
("templates", "templates", 1),
]
# used to escape substitution strings passed to re.sub(). re.escape() is no
# good because it blindly puts backslashes in front of anything that is not
# a number or letter regardless of whether the resulting sequence will be
# interpreted.
def ReEscape(str):
return string.replace(str, "\\", "\\\\")
# Used to escape backslashes and quotes in apache options
def ApacheEscape(str):
return re.sub(_re_apache, r"\\\g<0>", str)
_re_apache = re.compile("[\\\\\"]")
def Error(text, etype=None, evalue=None):
print
print "[ERROR] %s" % text
if etype:
print '[ERROR] ',
traceback.print_exception(etype, evalue, None, file=sys.stdout)
sys.exit(1)
def MkDir(path):
try:
compat.makedirs(path)
except os.error, e:
if e[0] == 17:
# EEXIST: file exists
return
if e[0] == 13:
# EACCES: permission denied
Error("You do not have permission to create directory %s" % path)
Error("Unknown error creating directory %s" % path, OSError, e)
def SetOnePath(contents, var, value):
pattern = re.compile('^' + var + r'\s*=\s*.*$', re.MULTILINE)
repl = '%s = r"%s"' % (var, os.path.join(ROOT_DIR, value))
return re.sub(pattern, ReEscape(repl), contents)
def SetPythonPaths(contents):
if contents[:2] == '#!':
shbang = '#!' + sys.executable
contents = re.sub('^#![^\n]*', ReEscape(shbang), contents)
contents = re.sub("<VIEWCVS_INSTALL_DIRECTORY>", ReEscape(ROOT_DIR), contents)
apacheDir = ApacheEscape(os.path.join(ROOT_DIR, 'lib'))
contents = re.sub("<VIEWCVS_APACHE_LIBRARY_DIRECTORY>", ReEscape(apacheDir), contents)
contents = SetOnePath(contents, 'LIBRARY_DIR', 'lib')
contents = SetOnePath(contents, 'CONF_PATHNAME', 'viewcvs.conf')
return contents
def InstallFile(src_path, dest_path, mode, set_python_paths, prompt_replace,
compile_it):
dest_path = os.path.join(ROOT_DIR, dest_path)
if prompt_replace and os.path.exists(dest_path):
# Collect ndiff output from ndiff
sys.stdout = StringIO.StringIO()
ndiff.main([dest_path,src_path])
ndiff_output = sys.stdout.getvalue()
# Return everything to normal
sys.stdout = sys.__stdout__
# Collect the '+ ' and '- ' lines
# total collects the difference lines to be printed later
total = ""
# I use flag to throw out match lines.
flag = 1
for line in string.split(ndiff_output,'\n'):
# Print line if it is a difference line
if line[:2] == "+ " or line[:2] == "- " or line[:2] == "? ":
total = total + line + "\n"
flag = 1
else:
# Compress lines that are the same to print one blank line
if flag:
total = total + "\n"
flag = 0
if total == "\n":
print " File %s exists,\n but there is no difference between target and source files.\n" % (dest_path)
return
if type(prompt_replace) == type(""):
print prompt_replace
while 1:
temp = raw_input("\n File %s\n exists and is different from source file.\n DO YOU WANT TO,\n overwrite [o]\n do not overwrite [d]\n view differences [v]: " % (dest_path))
print
temp = string.lower(temp[0])
if temp == "d":
return
if temp == "v":
if string.lower(src_path[-4:]) in [ '.gif', '.png', '.jpg' ]:
print 'Can not print differences between binary files'
else:
print total
print "\nLEGEND\n A leading '- ' indicates line to remove from installed file\n A leading '+ ' indicates line to add to installed file\n A leading '? ' shows intraline differences."
if temp == "o":
ReplaceFile(src_path, dest_path, mode, set_python_paths, prompt_replace, compile_it)
return
else:
ReplaceFile(src_path, dest_path, mode, set_python_paths, prompt_replace, compile_it)
return
def ReplaceFile(src_path, dest_path, mode, set_python_paths, prompt_replace, compile_it):
try:
contents = open(src_path, "rb").read()
except IOError, e:
Error(str(e))
if set_python_paths:
contents = SetPythonPaths(contents)
## write the file to the destination location
path, basename = os.path.split(dest_path)
MkDir(path)
try:
open(dest_path, "wb").write(contents)
except IOError, e:
if e[0] == 13:
# EACCES: permission denied
Error("You do not have permission to write file %s" % dest_path)
Error("Unknown error writing file %s" % dest_path, IOError, e)
os.chmod(dest_path, mode)
if compile_it:
py_compile.compile(dest_path)
return
def install_tree(src_path, dst_path, prompt_replace):
files = os.listdir(src_path)
files.sort()
for fname in files:
# eliminate some items which appear in a development area
if fname == 'CVS' or fname[-4:] == '.pyc' or fname[-5:] == '.orig' \
or fname[-4:] == '.rej' or fname[0] == '.' or fname[-1] == '~':
continue
src = os.path.join(src_path, fname)
dst = os.path.join(dst_path, fname)
if os.path.isdir(src):
install_tree(src, dst, prompt_replace)
else:
print " ", src
compile_it = fname[-3:] == '.py'
# set the paths in all Python files -- it doesn't hurt to do a
# search/replace on these files even if they don't have the
# special symbols.
set_paths = compile_it
InstallFile(src, dst, 0644, set_paths, prompt_replace, compile_it)
# prompt to delete all .py and .pyc files that don't belong in installation
full_dst_path = os.path.join(ROOT_DIR, dst_path)
for fname in os.listdir(full_dst_path):
if not os.path.isfile(os.path.join(full_dst_path, fname)) or \
not ((fname[-3:] == '.py' and fname not in files) or
(fname[-4:] == '.pyc' and fname[:-1] not in files)):
continue
while 1:
temp = raw_input("\n File %s does not belong in ViewCVS %s.\n DO YOU WANT TO,\n delete [d]\n leave as is [l]: " % (os.path.join(dst_path, fname), version))
print
temp = string.lower(temp[0])
if temp == "l":
break
if temp == "d":
os.unlink(os.path.join(full_dst_path, fname))
break
## MAIN
if __name__ == "__main__":
print INFO_TEXT
## get the install path
temp = raw_input("Installation Path [%s]: " % ROOT_DIR)
temp = string.strip(temp)
if len(temp):
ROOT_DIR = temp
## install the files
print
print "Installing ViewCVS to:", ROOT_DIR
for args in FILE_INFO_LIST:
print " ", args[0]
apply(InstallFile, args)
for args in TREE_LIST:
apply(install_tree, args)
print """
ViewCVS File Installation Complete
Consult INSTALL for detailed information to finish the installation
and configure ViewCVS for your system.
Overview of remaining steps:
1) Edit the %s file.
2) Configure an existing web server to run (or copy to cgi-bin)
%s.
OR
Run the web server that comes with ViewCVS at
%s.
""" % (
os.path.join(ROOT_DIR, 'viewcvs.conf'),
os.path.join(ROOT_DIR, 'www', 'cgi', 'viewcvs.cgi'),
os.path.join(ROOT_DIR, 'standalone.py'))
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