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# Copyright (C) 2015 Chintalagiri Shashank 

# 

# This file is part of Tendril. 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU Affero General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# 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 Affero General Public License for more details. 

# 

# You should have received a copy of the GNU Affero General Public License 

# along with this program.  If not, see <http://www.gnu.org/licenses/>. 

""" 

This file is part of tendril 

See the COPYING, README, and INSTALL files for more information 

""" 

 

import os 

from urllib import urlencode 

from urllib2 import unquote 

from collections import namedtuple 

 

from flask import render_template, abort, request 

from flask_user import login_required 

 

import tendril.gedaif.gsymlib 

 

from . import gsymlib as blueprint 

 

from tendril.utils.fsutils import get_path_breadcrumbs 

from tendril.utils.fsutils import Crumb 

from tendril.utils.config import GEDA_SYMLIB_ROOT 

 

 

def is_geda_folder(path): 

    if path is not None: 

        path = os.path.join(GEDA_SYMLIB_ROOT, path) 

    else: 

        path = GEDA_SYMLIB_ROOT 

    if os.path.isdir(path): 

        return True 

    return False 

 

Subfolder = namedtuple('Subfolder', 'name path') 

 

 

def get_geda_browser_context(path): 

    if not is_geda_folder(path): 

        abort(404) 

    if path is not None: 

        path = os.path.join(GEDA_SYMLIB_ROOT, path) 

    else: 

        path = GEDA_SYMLIB_ROOT 

 

    flatten_folders = False 

    flatten_folders_st = 'off' 

    if request.args.get('flattenFolders') == u'on': 

        flatten_folders = True 

        flatten_folders_st = 'on' 

 

    resolve_generators = False 

    resolve_generators_st = 'off' 

    if request.args.get('resolveGenerators') == u'on': 

        resolve_generators = True 

        resolve_generators_st = 'on' 

 

    show_generators = True 

    hide_generators = False 

    hide_generators_st = 'off' 

    if request.args.get('hideGenerators') == u'on': 

        show_generators = False 

        hide_generators = True 

        hide_generators_st = 'on' 

 

    show_images = False 

    show_images_st = 'off' 

    if request.args.get('showImages') == u'on': 

        show_images = True 

        show_images_st = 'on' 

 

    if not flatten_folders: 

        subfolders = [Subfolder(name=x, path=os.path.relpath(os.path.join(path, x), GEDA_SYMLIB_ROOT))  # noqa 

                      for x in os.listdir(path) if os.path.isdir(os.path.join(path, x))]  # noqa 

    else: 

        subfolders = [] 

 

    symbols = tendril.gedaif.gsymlib.gen_symlib(path, 

                                                include_generators=show_generators,  # noqa 

                                                resolve_generators=resolve_generators,  # noqa 

                                                recursive=flatten_folders) 

    if symbols is None: 

        symbols = [] 

 

    queryst = urlencode({'showImages': show_images_st, 

                         'hideGenerators': hide_generators_st, 

                         'resolveGenerators': resolve_generators_st, 

                         'flattenFolders': flatten_folders_st}) 

 

    context = {'path': os.path.relpath(path, GEDA_SYMLIB_ROOT), 

               'subfolders': sorted(subfolders, key=lambda y: y.name), 

               'breadcrumbs': get_path_breadcrumbs(path, GEDA_SYMLIB_ROOT, rootst="gEDA Symbol Library"),  # noqa 

               'symbols': sorted(symbols, key=lambda y: y.ident), 

               'show_images': show_images, 

               'resolve_generators': resolve_generators, 

               'hide_generators': hide_generators, 

               'flatten_folders': flatten_folders, 

               'query_string': queryst} 

 

    return context 

 

 

def get_geda_symbol_context(ident): 

    symbol = tendril.gedaif.gsymlib.get_symbol(ident, get_all=True) 

    symbol = [x for x in symbol if x.status != 'Generator'] 

 

    navpath = os.path.relpath(symbol[0].fpath, GEDA_SYMLIB_ROOT) 

    breadcrumbs = get_path_breadcrumbs(navpath, rootst="gEDA Symbol Library") 

    if symbol[0].is_virtual: 

        breadcrumbs.insert(-1, Crumb(name=os.path.splitext(symbol[0].fname)[0] + '.gen',  # noqa 

                                     path='detail/' + os.path.splitext(symbol[0].fname)[0] + '.gen'))  # noqa 

 

    return {'ident': ident, 

            'symbol': symbol[0], 

            'sympaths': [os.path.relpath(sym.fpath, GEDA_SYMLIB_ROOT) for sym in symbol],  # noqa 

            'imgpaths': [sym.img_repr_fname for sym in symbol], 

            'breadcrumbs': breadcrumbs} 

 

 

def get_geda_generator_context(gen): 

    generator = tendril.gedaif.gsymlib.get_generator(gen) 

    navpath = os.path.relpath(generator.fpath, GEDA_SYMLIB_ROOT) 

    navpath = os.path.splitext(navpath)[0] + '.gen' 

    genobj = tendril.gedaif.gsymlib.GSymGeneratorFile(generator.fpath) 

 

    return {'genname': gen, 

            'generator': generator, 

            'breadcrumbs': get_path_breadcrumbs(navpath, rootst="gEDA Symbol Library"),  # noqa 

            'sympaths': [os.path.relpath(generator.fpath, GEDA_SYMLIB_ROOT)], 

            'genpath': os.path.relpath(generator.genpath, GEDA_SYMLIB_ROOT), 

            'genobj': genobj} 

 

 

@blueprint.route('/') 

@blueprint.route('/detail/<path:gen>.gen') 

@blueprint.route('/detail/<path:ident>') 

@blueprint.route('/<path:path>') 

@login_required 

def main(path=None, ident=None, gen=None): 

    stage = {'crumbroot': "/gsymlib"} 

    if path is None and ident is None and gen is None: 

        stage.update(get_geda_browser_context(None)) 

        return render_template('gsymlib_browse.html', stage=stage, 

                               pagetitle='gEDA Library Browser') 

    if path is not None and is_geda_folder(path): 

        stage.update(get_geda_browser_context(path)) 

        return render_template('gsymlib_browse.html', stage=stage, 

                               pagetitle='gEDA Library Browser') 

    if ident is not None: 

        ident = unquote(ident) 

        if ident in tendril.gedaif.gsymlib.gsymlib_idents: 

            stage.update(get_geda_symbol_context(ident)) 

            return render_template('gsymlib_symbol.html', stage=stage, 

                                   pagetitle='gEDA Symbol Detail') 

    if gen is not None: 

        gen += '.gen' 

        gen = unquote(gen) 

        if gen in tendril.gedaif.gsymlib.generator_names: 

            stage.update(get_geda_generator_context(gen)) 

            return render_template('gsymlib_generator.html', stage=stage, 

                                   pagetitle='gEDA Generator Detail') 

    abort(404)