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| 1 | +# Copyright 2025 Google LLC |
| 2 | +# |
| 3 | +# Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +# you may not use this file except in compliance with the License. |
| 5 | +# You may obtain a copy of the License at |
| 6 | +# |
| 7 | +# https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +# |
| 9 | +# Unless required by applicable law or agreed to in writing, software |
| 10 | +# distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +# See the License for the specific language governing permissions and |
| 13 | +# limitations under the License. |
| 14 | + |
| 15 | +import os |
| 16 | +import re |
| 17 | +import time |
| 18 | +import glob |
| 19 | +from absl import app, logging, flags |
| 20 | +from pathlib import Path |
| 21 | + |
| 22 | +# Import specific Selenium exceptions |
| 23 | +from selenium.common.exceptions import TimeoutException, NoSuchElementException |
| 24 | +from selenium import webdriver |
| 25 | +from selenium.webdriver.common.by import By |
| 26 | +from selenium.webdriver.chrome.options import Options as ChromeOptions |
| 27 | +from selenium.webdriver.support.ui import WebDriverWait, Select |
| 28 | +from selenium.webdriver.support import expected_conditions as EC |
| 29 | + |
| 30 | + |
| 31 | +# --- Configuration --- |
| 32 | +BASE_URL = "https://sidra.ibge.gov.br/home/pnadct/" |
| 33 | +SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__)) |
| 34 | +DOWNLOAD_DIR = os.path.join(SCRIPT_DIR, "input_files") |
| 35 | + |
| 36 | +# Mapping of panel index to subfolder name |
| 37 | +PANEL_FOLDER_MAP = { |
| 38 | + 1: "Employment_And_Unemployment_Labor_Force", |
| 39 | + 2: "Population_Economic_sector", |
| 40 | + 3: "Average_Real_Income", |
| 41 | + 4: "Mass_Income" |
| 42 | +} |
| 43 | + |
| 44 | + |
| 45 | +def setup_driver(): |
| 46 | + """Configures and returns a Selenium WebDriver.""" |
| 47 | + chrome_options = ChromeOptions() |
| 48 | + prefs = { |
| 49 | + "download.default_directory": DOWNLOAD_DIR, |
| 50 | + "download.prompt_for_download": False, |
| 51 | + "download.directory_upgrade": True, |
| 52 | + "safeBrowse.enabled": True |
| 53 | + } |
| 54 | + chrome_options.add_experimental_option("prefs", prefs) |
| 55 | + chrome_options.add_argument("--headless") |
| 56 | + chrome_options.add_argument("--no-sandbox") |
| 57 | + chrome_options.add_argument("--disable-dev-shm-usage") |
| 58 | + chrome_options.add_argument("--window-size=1920,1080") |
| 59 | + chrome_options.add_argument("--disable-gpu") |
| 60 | + |
| 61 | + logging.info("WebDriver options configured.") |
| 62 | + return webdriver.Chrome(options=chrome_options) |
| 63 | + |
| 64 | + |
| 65 | +def wait_for_downloads(timeout=30): |
| 66 | + """Waits for all downloads to finish.""" |
| 67 | + start_time = time.time() |
| 68 | + while True: |
| 69 | + if not any(f.endswith(".crdownload") for f in os.listdir(DOWNLOAD_DIR)): |
| 70 | + return True |
| 71 | + if time.time() - start_time > timeout: |
| 72 | + logging.fatal("Timeout waiting for downloads to complete. Exiting script.") |
| 73 | + raise RuntimeError("Timeout waiting for downloads.") |
| 74 | + time.sleep(1) |
| 75 | + |
| 76 | +def rename_and_move_downloaded_file(place_name, panel_index): |
| 77 | + """Renames the most recently downloaded file and moves it to the correct subfolder.""" |
| 78 | + try: |
| 79 | + time.sleep(1) # Give a moment for the file system to update |
| 80 | + |
| 81 | + # Get the destination folder name from the map |
| 82 | + folder_name = PANEL_FOLDER_MAP.get(panel_index) |
| 83 | + if not folder_name: |
| 84 | + logging.warning(f"No folder mapping found for panel index {panel_index}. Skipping file move for {place_name}.") |
| 85 | + return |
| 86 | + |
| 87 | + # Find the latest downloaded file in the main DOWNLOAD_DIR |
| 88 | + list_of_files = glob.glob(os.path.join(DOWNLOAD_DIR, '*.xlsx')) |
| 89 | + if not list_of_files: |
| 90 | + logging.warning(f"No XLSX file found to rename for {place_name} (Panel {panel_index}).") |
| 91 | + return |
| 92 | + |
| 93 | + latest_file = max(list_of_files, key=os.path.getctime) |
| 94 | + |
| 95 | + # Construct the new filename |
| 96 | + new_filename = f"{place_name.replace(' ', '_')}_Panel_{panel_index}_{os.path.basename(latest_file)}" |
| 97 | + |
| 98 | + # Construct the destination path including the subfolder |
| 99 | + destination_dir = os.path.join(DOWNLOAD_DIR, folder_name) |
| 100 | + Path(destination_dir).mkdir(parents=True, exist_ok=True) # Ensure subfolder exists |
| 101 | + new_filepath = os.path.join(destination_dir, new_filename) |
| 102 | + |
| 103 | + # Move and rename the file |
| 104 | + os.rename(latest_file, new_filepath) |
| 105 | + logging.info(f"Moved and renamed file from '{os.path.basename(latest_file)}' to '{new_filepath}'") |
| 106 | + except Exception as e: |
| 107 | + logging.fatal(f"Failed to rename and move file for {place_name} (Panel {panel_index}): {e}. Exiting script.") |
| 108 | + raise RuntimeError(f"File operation failed: {e}") |
| 109 | + |
| 110 | + |
| 111 | +def download_panel(driver, panel_index, place_name): |
| 112 | + """ |
| 113 | + Locates a panel, opens the dropdown, clicks the download button, |
| 114 | + and then calls the rename and move function. |
| 115 | + """ |
| 116 | + try: |
| 117 | + panel_id = f"pnadct-q{panel_index}" |
| 118 | + panel_div = WebDriverWait(driver, 15).until( |
| 119 | + EC.presence_of_element_located((By.ID, panel_id)) |
| 120 | + ) |
| 121 | + |
| 122 | + dropdown_button = WebDriverWait(panel_div, 10).until( |
| 123 | + EC.element_to_be_clickable((By.CSS_SELECTOR, "div.janela-btn.dropdown span.dropdown-toggle")) |
| 124 | + ) |
| 125 | + dropdown_button.click() |
| 126 | + |
| 127 | + export_option = WebDriverWait(panel_div, 10).until( |
| 128 | + EC.element_to_be_clickable((By.CSS_SELECTOR, "ul.dropdown-menu li[data-item='0'] a")) |
| 129 | + ) |
| 130 | + export_option.click() |
| 131 | + |
| 132 | + logging.info(f" Downloading XLSX from panel {panel_id} for {place_name}") |
| 133 | + time.sleep(2) # Give a moment for the download to initiate |
| 134 | + rename_and_move_downloaded_file(place_name, panel_index) |
| 135 | + |
| 136 | + except (TimeoutException, NoSuchElementException) as e: |
| 137 | + logging.fatal(f" Selenium element error during download from {panel_id} for {place_name}: {e}. Exiting script.") |
| 138 | + raise RuntimeError(f"Selenium element error: {e}") # Added raise |
| 139 | + except Exception as e: |
| 140 | + logging.fatal(f" Critical download failure from {panel_id} for {place_name}: {e}. Exiting script.") |
| 141 | + raise RuntimeError(f"Critical download failure: {e}") # Added raise |
| 142 | + |
| 143 | + |
| 144 | +def get_url_slug(place_name): |
| 145 | + """ |
| 146 | + Generates a URL slug from the place name, matching the website's pattern. |
| 147 | + """ |
| 148 | + import unicodedata |
| 149 | + slug = place_name.lower().replace(' ', '-') |
| 150 | + # Normalize unicode characters to their base form |
| 151 | + nfkd_form = unicodedata.normalize('NFKD', slug) |
| 152 | + return "".join([c for c in nfkd_form if not unicodedata.combining(c)]) |
| 153 | + |
| 154 | +def get_place_select_element(driver): |
| 155 | + """ |
| 156 | + Waits for and returns the Select object for the place dropdown. |
| 157 | + """ |
| 158 | + try: |
| 159 | + select_element = WebDriverWait(driver, 20).until( |
| 160 | + EC.presence_of_element_located((By.ID, "codigolist-pnadct")) |
| 161 | + ) |
| 162 | + return Select(select_element) |
| 163 | + except TimeoutException: |
| 164 | + logging.fatal("Timeout while waiting for the place selection dropdown. Exiting script.") |
| 165 | + raise RuntimeError("Could not find the 'codigolist-pnadct' element.") |
| 166 | + |
| 167 | +def main(argv): |
| 168 | + """Main function to orchestrate the scraping and downloading.""" |
| 169 | + del argv # Unused. |
| 170 | + logging.info("Script started.") |
| 171 | + |
| 172 | + # Create the main download directory and the four subfolders |
| 173 | + os.makedirs(DOWNLOAD_DIR, exist_ok=True) |
| 174 | + for folder_name in PANEL_FOLDER_MAP.values(): |
| 175 | + os.makedirs(os.path.join(DOWNLOAD_DIR, folder_name), exist_ok=True) |
| 176 | + |
| 177 | + driver = setup_driver() |
| 178 | + try: |
| 179 | + driver.get(BASE_URL) |
| 180 | + logging.info(f"Navigated to base URL: {BASE_URL}") |
| 181 | + |
| 182 | + # Use the new helper function |
| 183 | + select = get_place_select_element(driver) |
| 184 | + options_text = [option.text.strip() for option in select.options] |
| 185 | + |
| 186 | + logging.info("\n Processing: Brasil") |
| 187 | + try: |
| 188 | + for panel_index in range(1, 5): |
| 189 | + download_panel(driver, panel_index, 'Brasil') |
| 190 | + wait_for_downloads() |
| 191 | + except (TimeoutException, NoSuchElementException) as e: |
| 192 | + logging.fatal(f" Selenium element error processing 'Brasil' page. Exiting. Error: {e}") |
| 193 | + raise RuntimeError(f"Selenium error for 'Brasil' page: {e}") |
| 194 | + except Exception as e: |
| 195 | + logging.fatal(f" Critical failure processing 'Brasil' page. Exiting. Error: {e}") |
| 196 | + raise RuntimeError(f"Critical processing failure for 'Brasil' page: {e}") |
| 197 | + |
| 198 | + for place_name in options_text: |
| 199 | + if not place_name: |
| 200 | + continue |
| 201 | + |
| 202 | + logging.info(f"\n Processing: {place_name}") |
| 203 | + |
| 204 | + try: |
| 205 | + # Use the new helper function again |
| 206 | + select = get_place_select_element(driver) |
| 207 | + |
| 208 | + select.select_by_visible_text(place_name) |
| 209 | + |
| 210 | + place_slug = get_url_slug(place_name) |
| 211 | + WebDriverWait(driver, 20).until(EC.url_contains(place_slug)) |
| 212 | + WebDriverWait(driver, 20).until( |
| 213 | + EC.url_contains(place_slug) and |
| 214 | + EC.presence_of_element_located((By.ID, "pnadct-q1")) |
| 215 | + ) |
| 216 | + |
| 217 | + for panel_index in range(1, 5): |
| 218 | + download_panel(driver, panel_index, place_name) |
| 219 | + |
| 220 | + wait_for_downloads() |
| 221 | + |
| 222 | + except (TimeoutException, NoSuchElementException) as e: |
| 223 | + logging.fatal(f" Selenium element error selecting or downloading for {place_name}. Exiting. Error: {e}") |
| 224 | + raise RuntimeError(f"Selenium error for {place_name}: {e}") |
| 225 | + except Exception as e: |
| 226 | + logging.fatal(f" Critical failure selecting or downloading for {place_name}. Exiting. Error: {e}") |
| 227 | + raise RuntimeError(f"Critical processing failure for {place_name}: {e}") |
| 228 | + |
| 229 | + finally: |
| 230 | + driver.quit() |
| 231 | + logging.info("WebDriver closed.") |
| 232 | + logging.info("Script finished.") |
| 233 | + |
| 234 | +if __name__ == "__main__": |
| 235 | + flags.FLAGS.log_dir = SCRIPT_DIR |
| 236 | + app.run(main) |
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