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Possibilità di scegliere la Provincia #4
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# catasto_unzip | ||
Unzippa le cartelle e crea due cartelle separate per le map e ple, tutto da windows!!! | ||
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# descrizione modifiche | ||
lo script catasto_unzip_merg_prov.py modifica lo script console_qgis.py, inserendo la possibilità di scegliere se procedere per singola regione o singola provincia (dando la possibilità di scelta). | ||
L'output è limitato al formato .gpkg. | ||
Lo script cancella sempre i file temporanei creati nelle elaborazioni. |
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from qgis.core import QgsVectorLayer, QgsProject, QgsMessageLog | ||
from qgis.PyQt.QtWidgets import QInputDialog, QLineEdit, QFileDialog, QMessageBox, QProgressDialog | ||
import os | ||
import tempfile | ||
import shutil | ||
import urllib.request | ||
from zipfile import ZipFile | ||
import processing | ||
import time | ||
import gc | ||
from datetime import datetime | ||
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def log_message(msg): | ||
print(msg) | ||
QgsMessageLog.logMessage(msg, 'Elaborazione GML') | ||
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def cleanup_temp_dir(temp_dir): | ||
"""Pulisce la directory temporanea""" | ||
try: | ||
if os.path.exists(temp_dir): | ||
shutil.rmtree(temp_dir) | ||
log_message(f"Directory temporanea rimossa: {temp_dir}") | ||
except Exception as e: | ||
log_message(f"Errore nella pulizia della directory temporanea: {str(e)}") | ||
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def download_file_with_progress(url, dest_path): | ||
response = urllib.request.urlopen(url) | ||
total_size = int(response.info().get('Content-Length', 0)) | ||
block_size = 8192 | ||
downloaded_size = 0 | ||
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progress = QProgressDialog("Download in corso...", "Annulla", 0, 100) | ||
progress.setWindowModality(2) | ||
progress.show() | ||
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with open(dest_path, 'wb') as f: | ||
while True: | ||
buffer = response.read(block_size) | ||
if not buffer: | ||
break | ||
f.write(buffer) | ||
downloaded_size += len(buffer) | ||
progress.setValue(int((downloaded_size / total_size) * 100)) | ||
if progress.wasCanceled(): | ||
log_message("Download annullato.") | ||
return False | ||
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return True | ||
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def collect_inputs(): | ||
inputs = {} | ||
REGIONS = [ | ||
'ABRUZZO', 'BASILICATA', 'CALABRIA', 'CAMPANIA', 'EMILIA-ROMAGNA', | ||
'FRIULI-VENEZIA-GIULIA', 'LAZIO', 'LIGURIA', 'LOMBARDIA', 'MARCHE', | ||
'MOLISE', 'PIEMONTE', 'PUGLIA', 'SARDEGNA', 'SICILIA', | ||
'TOSCANA', 'UMBRIA', 'VENETO' | ||
] | ||
region, ok = QInputDialog.getItem(None, 'Seleziona Regione', 'Scegli la regione:', REGIONS, 0, False) | ||
if not ok: return None | ||
inputs['region'] = region | ||
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base_url = "https://wfs.cartografia.agenziaentrate.gov.it/inspire/wfs/GetDataset.php?dataset=" | ||
inputs['url'] = f"{base_url}{region.lower()}.zip" | ||
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main_folder = QFileDialog.getExistingDirectory(None, 'Seleziona cartella di lavoro') | ||
if not main_folder: return None | ||
inputs['main_folder'] = main_folder | ||
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return inputs | ||
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def extract_all_gml(zip_folder, extract_to): | ||
""" Estrae ricorsivamente tutti i file ZIP fino a ottenere i file GML.""" | ||
for root, _, files in os.walk(zip_folder): | ||
for file in files: | ||
if file.endswith('.zip'): | ||
zip_path = os.path.join(root, file) | ||
with ZipFile(zip_path, 'r') as zip_ref: | ||
zip_ref.extractall(extract_to) | ||
log_message(f"Estratto: {zip_path}") | ||
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# Separa i file MAP e PLE | ||
map_files = [] | ||
ple_files = [] | ||
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for root, _, files in os.walk(extract_to): | ||
for file in files: | ||
if file.endswith('_map.gml'): | ||
map_files.append(os.path.join(root, file)) | ||
elif file.endswith('_ple.gml'): | ||
ple_files.append(os.path.join(root, file)) | ||
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log_message(f"Trovati {len(map_files)} file MAP e {len(ple_files)} file PLE") | ||
return map_files, ple_files | ||
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def merge_gml_files(gml_files, output_file): | ||
if not gml_files: | ||
log_message(f"Nessun file GML trovato per {output_file}") | ||
return | ||
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try: | ||
# Se il file esiste già, lo elimina | ||
if os.path.exists(output_file): | ||
os.remove(output_file) | ||
log_message(f"File esistente rimosso: {output_file}") | ||
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# Verifica permessi di scrittura nella directory | ||
output_dir = os.path.dirname(output_file) | ||
if not os.access(output_dir, os.W_OK): | ||
raise Exception(f"Permessi di scrittura mancanti nella directory: {output_dir}") | ||
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# Crea una lista di percorsi validi per i layer | ||
valid_paths = [] | ||
for gml_file in gml_files: | ||
if os.path.exists(gml_file): | ||
valid_paths.append(gml_file) | ||
else: | ||
log_message(f"File non trovato: {gml_file}") | ||
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if not valid_paths: | ||
raise Exception("Nessun file GML valido trovato") | ||
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log_message(f"Trovati {len(valid_paths)} file GML validi") | ||
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# Forza la pulizia della memoria prima del merge | ||
gc.collect() | ||
time.sleep(1) | ||
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# Prova a eseguire il merge diretto | ||
try: | ||
processing.run("gdal:mergevectorlayers", { | ||
'INPUT': valid_paths, | ||
'CRS': None, | ||
'OUTPUT': output_file | ||
}) | ||
except: | ||
# Se fallisce, prova con l'algoritmo nativo | ||
processing.run("native:mergevectorlayers", { | ||
'LAYERS': valid_paths, | ||
'CRS': None, | ||
'OUTPUT': output_file | ||
}) | ||
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if not os.path.exists(output_file): | ||
raise Exception("File di output non creato") | ||
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# Verifica la validità del file creato | ||
check_layer = QgsVectorLayer(output_file, "check", "ogr") | ||
if not check_layer.isValid(): | ||
raise Exception("File di output non valido") | ||
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log_message(f"File unito salvato con successo in: {output_file}") | ||
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except Exception as e: | ||
error_msg = f"Errore durante il merge dei file: {str(e)}" | ||
log_message(error_msg) | ||
raise Exception(error_msg) | ||
finally: | ||
# Libera la memoria | ||
gc.collect() | ||
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def process_gml_files(): | ||
inputs = collect_inputs() | ||
if not inputs: | ||
log_message("Operazione annullata") | ||
return | ||
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temp_dir = tempfile.mkdtemp() | ||
try: | ||
main_folder = inputs['main_folder'] | ||
zip_path = os.path.join(temp_dir, "downloaded.zip") | ||
log_message("Download del file zip...") | ||
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if not download_file_with_progress(inputs['url'], zip_path): | ||
return | ||
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log_message("Estrazione province...") | ||
with ZipFile(zip_path, 'r') as zip_ref: | ||
zip_ref.extractall(temp_dir) | ||
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province_zips = [f for f in os.listdir(temp_dir) if f.endswith('.zip') and f != "downloaded.zip"] | ||
if not province_zips: | ||
log_message("Nessun file ZIP di provincia trovato.") | ||
return | ||
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province, ok = QInputDialog.getItem(None, 'Seleziona Provincia', 'Scegli la provincia da elaborare:', ['Tutte'] + [p[:2] for p in province_zips], 0, False) | ||
if not ok: return | ||
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for prov_zip in province_zips: | ||
if province != 'Tutte' and not prov_zip.startswith(province): | ||
continue # Elaborare solo la provincia selezionata | ||
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log_message(f"Elaborazione provincia: {prov_zip}") | ||
prov_path = os.path.join(temp_dir, prov_zip) | ||
prov_dir = os.path.join(temp_dir, os.path.splitext(prov_zip)[0]) | ||
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with ZipFile(prov_path, 'r') as zip_ref: | ||
zip_ref.extractall(prov_dir) | ||
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map_files, ple_files = extract_all_gml(prov_dir, prov_dir) | ||
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# Genera output separati per MAP e PLE | ||
if province == 'Tutte': | ||
prov_code = prov_zip[:2] # Usa il codice provincia dal nome file | ||
else: | ||
prov_code = province | ||
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output_map = os.path.join(main_folder, f"{prov_code}_map_unito.gpkg") | ||
output_ple = os.path.join(main_folder, f"{prov_code}_ple_unito.gpkg") | ||
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merge_gml_files(map_files, output_map) | ||
merge_gml_files(ple_files, output_ple) | ||
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log_message(f"Elaborazione completata per provincia: {province if province != 'Tutte' else 'tutte le province'}") | ||
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except Exception as e: | ||
log_message(f"ERRORE: {str(e)}") | ||
QMessageBox.critical(None, "Errore", str(e)) | ||
finally: | ||
cleanup_temp_dir(temp_dir) | ||
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# Avvia lo script | ||
process_gml_files() | ||
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@albertograva puoi spostare il file README v2 dentro la cartella dello script?
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fatto!