File: db_import.py

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#
# db_import.py -- batch import of multiple sgf files into relational database
#
# by Jon Kinsey <Jon_Kinsey@hotmail.com>, 2004
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 3 or later of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# $Id: db_import.py,v 1.2 2007/07/02 12:50:13 ace Exp $

"""
 db_import.py -- batch import of multiple sgf files into relational database

 by Jon Kinsey <Jon_Kinsey@hotmail.com>, 2004
\n"""

import os

def GetFiles(dir):
    "Look for gnubg import files in dir"
    try:
        files = os.listdir(dir)
    except:
        print "  ** Directory not found **"
        return 0

    fileList = []
    foundAnyFile = False
    foundBGFile = False
    # Check each file in dir
    for file in files:
        # Check it's a file (not a directory)
        if os.path.isfile(dir + file):
            foundAnyFile = True
            # Check has supported extension
            dot = file.rfind('.')
            if dot != -1:
                ext = file[dot + 1 : ].lower()
                if ext == "sgf":
                    foundBGFile = True
                    fileList.append(file)

    if foundBGFile:
        return fileList
    else:
        if not foundAnyFile:
            print "  ** No files in directory **"
        else:
            print "  ** No sgf files found in directory **"
        return 0

def ImportFile(prompt, file, dir):
    "Run commands to import stats into gnubg"
    print prompt + " Importing " + file
    gnubg.command('load match "' + dir + file + '"')
    gnubg.command('relational add match')

def GetYN(prompt):
    confirm = '';
    while len(confirm) == 0 or (confirm[0] != 'y' and confirm[0] != 'n'):
        confirm = raw_input(prompt + " (y/n): ").lower()
    return confirm

def GetDir(prompt):
    dir = raw_input(prompt)
    if dir:
        # Make sure dir ends in a slash
        if (dir[-1] != '\\' and dir[-1] != '/'):
            dir = dir + '/'
    return dir

def BatchImport():
    "Import stats for all sgf files in a directory"

    inFiles = []
    while not inFiles:
        # Get directory with original files in
        dir = GetDir("Directory containing files to import (enter-exit): ")
        if not dir:
            return

        # Look for some files
        inFiles = GetFiles(dir)

    # Display files that will be analyzed
    for file in inFiles:
        print "    " + file

    print "\n", len(inFiles), "files found\n"

    # Check user wants to continue
    if GetYN("Continue") == 'n':
        return
    
    # Get stats for each file
    num = 0
    for file in inFiles:
        num = num + 1
        prompt = "(%d/%d)" % (num, len(inFiles))
        ImportFile(prompt, file, dir)

    print "\n** Finished **"
    return

# Run batchimport on load
try:
    print __doc__
    BatchImport()
except Exception, (e):
    print "Error:", e