Subversion Repositories configurator

#!/usr/bin/env python

#

# coding: utf8

#

import gtk

import re

import sys

import os.path

INSTANCES = []

class ConfigFile:

    def __init__(self, filename):

        self.filename = filename

        self.title = os.path.basename(filename)

        self.file = open(filename, "r")

        self.config = {

            "comment": "//",

            "define": "`define",

            "command": "//="

        }

        self.lines = []

        current_tab = "Main"

        self.tabs = {current_tab: []}

        self.tabs_titles = [current_tab]

        re0 = re.compile("//\s(\w.+)")

        re1 = re.compile("\/\/=(valid)\s(.+)")

        re2 = re.compile("(\/\/)?`define\s+(\w+)((\s+([\w'\.\"]+))|(\s+\/\/\s*(.*)))?\s+")

        current_title = ""

        current_valid = ""

        current_select = None

        current_ifdef = 0

        for n, row in enumerate(self.file):

            self.lines.append(row)

            if re.match("\s+", row):

                current_title = ""

                current_valid = ""

                continue

            if re.match("\/\/=select", row):

                current_select = ConfigOptionSelect(

                    title = current_title

                )

                continue

            if re.match("\/\/=end", row):

                self.tabs[current_tab].append(current_select)

                current_select = None

                continue

            m = re.match("\/\/=comment(\s+)(.*)(\s*)", row)

            if m:

                self.tabs[current_tab].append(ConfigLabel(m.group(2)))

                continue

            if re.match("\s*`ifn?def.*", row):

                current_ifdef += 1

            if re.match("\s*`endif.*", row):

                current_ifdef -= 1

            if current_ifdef > 0:

                continue

            m = re.match("\/\/=tab ([\w ]+)\s+", row)

            if m:

                current_tab = m.group(1)

                if current_tab not in self.tabs_titles:

                    self.tabs[current_tab] = []

                    self.tabs_titles.append(current_tab)

                continue

            m = re0.match(row)

            if m:

                current_title = m.group(1)

                continue

            m = re1.match(row)

            if m:

                current_valid = m.group(2)

                continue

            m = re2.match(row)

            if m:

                (current_select if (current_select is not None) else self.tabs[current_tab]).append(ConfigOption(

                    line = n,

                    name = m.group(2),

                    title = ((m.group(7) if (m.group(7) is not None) else m.group(2)) if (current_select is not None) else (current_title if len(current_title) > 0 else m.group(2))),

                    valid = current_valid,

                    checkbox = (m.group(4) is None),

                    default = (m.group(5) if (m.group(5) is not None) else (m.group(1) is None))

                ))

                current_title = ""

                current_valid = ""

                continue

        self.file.close()

    def save(self):

        for tab in self.tabs:

            for opt in self.tabs[tab]:

                opt.save(self)

        self.file = open(self.filename, "w")

        for line in self.lines:

            self.file.write(line.rstrip(" \n\r") + "\n")

        self.file.close()

class ConfigLabel(gtk.Label):

    def __init__(self, text):

        gtk.Label.__init__(self, "\n" + text)

    def save(self, *args): pass

class ConfigOption(gtk.HBox):

    def __init__(self, **kwargs):

        gtk.HBox.__init__(self, True)

        self.options = kwargs

        if kwargs['checkbox']:

            self.entry = gtk.CheckButton()

            self.entry.set_active(kwargs['default'])

        else:

            self.entry = gtk.Entry()

            self.entry.set_text(kwargs['default'])

        self.pack_start(gtk.Label(kwargs['title']))

        self.pack_start(self.entry)

    def save(self, cfgfile, comment = ""):

        s = ""

        if self.options['checkbox']:

            s += "" if self.entry.get_active() else "//"

        s += "`define "

        s += self.options['name']

        if not self.options['checkbox']:

            s += " "

            s += self.entry.get_text()

        if len(comment) > 0:

            s += " // " + comment

        cfgfile.lines[self.options['line']] = s

class ConfigOptionSelect(gtk.HBox):

    def __init__(self, **kwargs):

        gtk.HBox.__init__(self, True)

        self.opts = []

        self.options = kwargs

        self.entry = gtk.combo_box_new_text()

        self.pack_start(gtk.Label(kwargs['title']))

        self.pack_start(self.entry)

        self.entry.connect("changed", self.onchanged)

    def append(self, opt):

        self.opts.append(opt)

        self.entry.append_text(opt.options['title'])

        if opt.options['default']:

            self.entry.set_active(len(self.opts) - 1)

    def onchanged(self, *args):

        for i, opt in enumerate(self.opts):

            opt.entry.set_active(i == self.entry.get_active())

    def save(self, cfgfile):

        for opt in self.opts:

            opt.save(cfgfile, opt.options['title'])

class ConfigWindow(gtk.Window):

    def __init__(self, cfgfilename = None):

        INSTANCES.append(self)

        gtk.Window.__init__(self)

        self.set_title("Configurator")

        self.set_default_size(400, 600)

        self.box = gtk.VBox()

        self.notebook = gtk.Notebook()

        self.toolbar = ConfigToolbar(self)

        self.add(self.box)

        self.box.pack_start(self.toolbar, False)

        self.box.pack_start(self.notebook, True)

        if cfgfilename is not None:

            self.load(cfgfilename)

        else:

            self.configfile = None

        self.connect("delete_event", self.close)

        self.show_all()

    def load(self, cfgfilename):

        cfg = ConfigFile(cfgfilename)

        self.set_title(cfg.title + " - Configurator")

        self.configfile = cfg

        for tab in cfg.tabs_titles:

            box = gtk.VBox()

            for opt in cfg.tabs[tab]:

                box.pack_start(opt, False)

            box.pack_start(gtk.Label(""), True)

            sw = gtk.ScrolledWindow()

            sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_ALWAYS)

            sw.add_with_viewport(box)

            self.notebook.append_page(sw, gtk.Label(tab))

        self.show_all()

    def save(self):

        self.configfile.save()

    def close(self, *args):

        # Maybe check if file modified and ask to save it?

        INSTANCES.remove(self)

        self.destroy();

        if len(INSTANCES) == 0:

            gtk.main_quit()

class ConfigToolbar(gtk.Toolbar):

    def __init__(self, cfg):

        self.cfg = cfg

        gtk.Toolbar.__init__(self)

        self.insert_stock(gtk.STOCK_OPEN, "Open a file", None, self.open, None, -1)

        self.insert_stock(gtk.STOCK_SAVE, "Save the current file", None, self.save, None, -1)

        self.insert_stock(gtk.STOCK_CLOSE, "Close the current file", None, self.close, None, -1)

    def open(self, *args):

        chooser = gtk.FileChooserDialog(

            "Open file...", None,

            gtk.FILE_CHOOSER_ACTION_OPEN, (

            gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,

            gtk.STOCK_OPEN, gtk.RESPONSE_OK

        ))

        if chooser.run() != gtk.RESPONSE_OK:

            return

        filename = chooser.get_filename()

        chooser.destroy()

        if self.cfg.configfile is None:

            self.cfg.load(filename)

        else:

            ConfigWindow(filename)

    def save(self, *args):

        self.cfg.save()

    def close(self, *args):

        self.cfg.close()

if __name__ == '__main__':

    if len(sys.argv) == 1:

        ConfigWindow()

    for f in sys.argv[1:]:

        ConfigWindow(f)

    gtk.main()