Skip stations on error

port-authority-nsw/port_authority_nsw.py

@@ -37,14 +37,14 @@ from lxml import html
 
 output_dir = 'csv'
 stn_ids = [
-    2,   # Offshore (Directional) Wave
-    3,   # Bombora (Directional) Wave
-    4,   # Captain Cook Channel (SG) Wave
-    5,   # Kurnell (SG) Wave
-    6,   # Molineaux Point Wind
-    7,   # Sydney Airport (Main Runway BOM) Wind
-    8,   # Brotherson Emergency Response Jetty Tide
-    9,   # Caltex (Directional) Current
+    2,  # Offshore (Directional) Wave
+    3,  # Bombora (Directional) Wave
+    4,  # Captain Cook Channel (SG) Wave
+    5,  # Kurnell (SG) Wave
+    6,  # Molineaux Point Wind
+    7,  # Sydney Airport (Main Runway BOM) Wind
+    8,  # Brotherson Emergency Response Jetty Tide
+    9,  # Caltex (Directional) Current
     12,  # Western Wedding Cake Wind
     13,  # Fort Denison (Sth end BOM) Wind
     14,  # Overseas Passenger Terminal Wind
@@ -92,16 +92,21 @@ def update_master(output_dir, csv_name, df):
     master.to_csv(os.path.join(output_dir, csv_name))
 
 
-# Get main page
-url = 'http://wavewindtide.portauthoritynsw.com.au/'
-page = requests.get(url)
-tree = html.fromstring(page.content)
+def main(stn_id):
+    """Extract current parameters for selected station.
+
+    Args:
+        stn_id (int): station ID
+
+    Returns:
+        None
+    """
 
-for stn_id in stn_ids:
     # Get elements from selected station
     t_raw = tree.get_element_by_id(f'MainContent_ctl{stn_id:02}_lblRecordDate')
     meas = tree.get_element_by_id(f'MainContent_ctl{stn_id:02}_lblSummary')
-    description = tree.get_element_by_id(f'MainContent_ctl{stn_id:02}_lblTitle')
+    description = tree.get_element_by_id(
+        f'MainContent_ctl{stn_id:02}_lblTitle')
 
     # Parse column names
     text = re.split(':\s|(m|s|knots|deg)\s', meas.text + ' ')
@@ -123,3 +128,15 @@ for stn_id in stn_ids:
     # Update master dataframe
     csv_name = description.text + '.csv'
     update_master(output_dir, csv_name, df)
+
+
+# Get main page
+url = 'http://wavewindtide.portauthoritynsw.com.au/'
+page = requests.get(url)
+tree = html.fromstring(page.content)
+
+for stn_id in stn_ids:
+    try:
+        main(stn_id)
+    except (TypeError, KeyError):
+        pass