<s> from flask import Blueprint , make_response , request , redirect , url_for , session , render_template , current_app , send_from_directory , flash <EOL> import json <EOL> import sys <EOL> import os <EOL> import gzip <EOL> import requests <EOL> from uuid import uuid4 <EOL> from werkzeug import secure_filename <EOL> from csvkit import convert <EOL> from csvkit . unicsv import UnicodeCSVReader <EOL> from csvkit . cleanup import RowChecker <EOL> from cStringIO import StringIO <EOL> from geomancer . helpers import import_class , get_geo_types , get_data_sources , guess_geotype , check_combos , SENSICAL_TYPES <EOL> from geomancer . app_config import ALLOWED_EXTENSIONS , MAX_CONTENT_LENGTH <EOL> from werkzeug . exceptions import RequestEntityTooLarge <EOL> views = Blueprint ( '<STR_LIT>' , __name__ ) <EOL> def allowed_file ( filename ) : <EOL> return '<STR_LIT:.>' in filename and filename . rsplit ( '<STR_LIT:.>' , <NUM_LIT:1> ) [ <NUM_LIT:1> ] in ALLOWED_EXTENSIONS <EOL> @ views . route ( '<STR_LIT:/>' , methods = [ '<STR_LIT:GET>' , '<STR_LIT:POST>' ] ) <EOL> def index ( ) : <EOL> return render_template ( '<STR_LIT>' ) <EOL> @ views . route ( '<STR_LIT>' , methods = [ '<STR_LIT:GET>' , '<STR_LIT:POST>' ] ) <EOL> def about ( ) : <EOL> return render_template ( '<STR_LIT>' ) <EOL> @ views . route ( '<STR_LIT>' , methods = [ '<STR_LIT:GET>' , '<STR_LIT:POST>' ] ) <EOL> def upload_formats ( ) : <EOL> return render_template ( '<STR_LIT>' ) <EOL> @ views . route ( '<STR_LIT>' , methods = [ '<STR_LIT:GET>' , '<STR_LIT:POST>' ] ) <EOL> def contribute_data ( ) : <EOL> return render_template ( '<STR_LIT>' ) <EOL> @ views . route ( '<STR_LIT>' , methods = [ '<STR_LIT:GET>' , '<STR_LIT:POST>' ] ) <EOL> def geographies ( ) : <EOL> geographies , errors = get_geo_types ( ) <EOL> for error in errors : <EOL> flash ( error ) <EOL> return render_template ( '<STR_LIT>' , geographies = geographies ) <EOL> @ views . route ( '<STR_LIT>' , methods = [ '<STR_LIT:GET>' , '<STR_LIT:POST>' ] ) <EOL> def data_sources ( ) : <EOL> data_sources , errors = get_data_sources ( ) <EOL> for error in errors : <EOL> flash ( error ) <EOL> return render_template ( '<STR_LIT>' , data_sources = data_sources ) <EOL> @ views . route ( '<STR_LIT>' , methods = [ '<STR_LIT:GET>' , '<STR_LIT:POST>' ] ) <EOL> def upload ( ) : <EOL> context = { } <EOL> if request . method == '<STR_LIT:POST>' : <EOL> big_file = False <EOL> try : <EOL> files = request . files <EOL> except RequestEntityTooLarge , e : <EOL> files = None <EOL> big_file = True <EOL> current_app . logger . info ( e ) <EOL> if files : <EOL> f = files [ '<STR_LIT>' ] <EOL> if allowed_file ( f . filename ) : <EOL> inp = StringIO ( f . read ( ) ) <EOL> file_format = convert . guess_format ( f . filename ) <EOL> try : <EOL> converted = convert . convert ( inp , file_format ) <EOL> except UnicodeDecodeError : <EOL> context [ '<STR_LIT>' ] = [ '<STR_LIT>' ] <EOL> converted = None <EOL> f . seek ( <NUM_LIT:0> ) <EOL> if converted : <EOL> outp = StringIO ( converted ) <EOL> reader = UnicodeCSVReader ( outp ) <EOL> session [ '<STR_LIT>' ] = reader . next ( ) <EOL> rows = [ ] <EOL> columns = [ [ ] for c in session [ '<STR_LIT>' ] ] <EOL> column_ids = range ( len ( session [ '<STR_LIT>' ] ) ) <EOL> for row in range ( <NUM_LIT:100> ) : <EOL> try : <EOL> rows . append ( reader . next ( ) ) <EOL> except StopIteration : <EOL> break <EOL> for i , row in enumerate ( rows ) : <EOL> for j , d in enumerate ( row ) : <EOL> columns [ j ] . append ( row [ column_ids [ j ] ] ) <EOL> sample_data = [ ] <EOL> guesses = { } <EOL> for index , header_val in enumerate ( session [ '<STR_LIT>' ] ) : <EOL> guesses [ index ] = guess_geotype ( header_val , columns [ index ] ) <EOL> sample_data . append ( ( index , header_val , columns [ index ] ) ) <EOL> session [ '<STR_LIT>' ] = sample_data <EOL> session [ '<STR_LIT>' ] = json . dumps ( guesses ) <EOL> outp . seek ( <NUM_LIT:0> ) <EOL> session [ '<STR_LIT:file>' ] = outp . getvalue ( ) <EOL> session [ '<STR_LIT:filename>' ] = f . filename <EOL> return redirect ( url_for ( '<STR_LIT>' ) ) <EOL> else : <EOL> context [ '<STR_LIT>' ] = [ '<STR_LIT>' ] <EOL> else : <EOL> context [ '<STR_LIT>' ] = [ '<STR_LIT>' ] <EOL> if big_file : <EOL> context [ '<STR_LIT>' ] = [ '<STR_LIT>' ] <EOL> return render_template ( '<STR_LIT>' , ** context ) <EOL> @ views . route ( '<STR_LIT>' , methods = [ '<STR_LIT:GET>' , '<STR_LIT:POST>' ] ) <EOL> def select_geo ( ) : <EOL> if not session . get ( '<STR_LIT:file>' ) : <EOL> return redirect ( url_for ( '<STR_LIT>' ) ) <EOL> context = { } <EOL> if request . method == '<STR_LIT:POST>' : <EOL> inp = StringIO ( session [ '<STR_LIT:file>' ] ) <EOL> reader = UnicodeCSVReader ( inp ) <EOL> header = reader . next ( ) <EOL> fields = { } <EOL> valid = True <EOL> geotype_val = None <EOL> if not request . form : <EOL> valid = False <EOL> context [ '<STR_LIT>' ] = [ '<STR_LIT>' ] <EOL> else : <EOL> geotypes = [ ] <EOL> indexes = [ ] <EOL> for k , v in request . form . items ( ) : <EOL> if k . startswith ( "<STR_LIT>" ) : <EOL> geotypes . append ( v ) <EOL> indexes . append ( k . split ( '<STR_LIT:_>' ) [ <NUM_LIT:1> ] ) <EOL> if len ( indexes ) > <NUM_LIT:2> : <EOL> valid = False <EOL> context [ '<STR_LIT>' ] = [ '<STR_LIT>' ] <EOL> else : <EOL> fields_key = '<STR_LIT:;>' . join ( [ header [ int ( i ) ] for i in indexes ] ) <EOL> geotype_val = '<STR_LIT:;>' . join ( [ g for g in geotypes ] ) <EOL> if not check_combos ( geotype_val ) : <EOL> valid = False <EOL> types = [ t . title ( ) for t in geotype_val . split ( '<STR_LIT:;>' ) ] <EOL> context [ '<STR_LIT>' ] = [ '<STR_LIT>' . format ( * types ) ] <EOL> else : <EOL> fields [ fields_key ] = { <EOL> '<STR_LIT>' : geotype_val , <EOL> '<STR_LIT>' : '<STR_LIT:;>' . join ( indexes ) <EOL> } <EOL> if valid : <EOL> try : <EOL> geo_type = SENSICAL_TYPES [ geotype_val ] <EOL> except KeyError : <EOL> geo_type = geotype_val <EOL> mancer_data , errors = get_data_sources ( geo_type = geo_type ) <EOL> session [ '<STR_LIT>' ] = fields <EOL> session [ '<STR_LIT>' ] = mancer_data <EOL> for error in errors : <EOL> flash ( error ) <EOL> return redirect ( url_for ( '<STR_LIT>' ) ) <EOL> return render_template ( '<STR_LIT>' , ** context ) <EOL> @ views . route ( '<STR_LIT>' , methods = [ '<STR_LIT:POST>' , '<STR_LIT:GET>' ] ) <EOL> def select_tables ( ) : <EOL> if not session . get ( '<STR_LIT:file>' ) : <EOL> return redirect ( url_for ( '<STR_LIT>' ) ) <EOL> context = { } <EOL> if request . method == '<STR_LIT:POST>' and not request . form : <EOL> valid = False <EOL> context [ '<STR_LIT>' ] = [ '<STR_LIT>' ] <EOL> return render_template ( '<STR_LIT>' , ** context ) <EOL> @ views . route ( '<STR_LIT>' ) <EOL> def geomance_view ( session_key ) : <EOL> return render_template ( '<STR_LIT>' , session_key = session_key ) <EOL> @ views . route ( '<STR_LIT>' ) <EOL> def download_results ( filename ) : <EOL> return send_from_directory ( current_app . config [ '<STR_LIT>' ] , filename ) <EOL> @ views . route ( '<STR_LIT>' ) <EOL> def file_too_large ( ) : <EOL> return make_response ( render_template ( '<STR_LIT>' ) , <NUM_LIT> ) </s>
