4 files changed, 34 insertions, 13 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fb38c2c..08c4751 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 1.0.3
+  * Fix issues: slashes `/` in sheet name 404 error; Discovery malformed sheet error when 2nd row final column value(s) are `NULL`.
+
 ## 1.0.2
   * Skip sheets for which we fail to generate a schema
 
diff --git a/setup.py b/setup.py
index 49c3e3e..ec63fdf 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from setuptools import setup, find_packages
 
 setup(name='tap-google-sheets',
-      version='1.0.2',
+      version='1.0.3',
       description='Singer.io tap for extracting data from the Google Sheets v4 API',
       author='jeff.huth@bytecode.io',
       classifiers=['Programming Language :: Python :: 3 :: Only'],
diff --git a/tap_google_sheets/schema.py b/tap_google_sheets/schema.py
index 3e63e75..fcaccf9 100644
--- a/tap_google_sheets/schema.py
+++ b/tap_google_sheets/schema.py
@@ -1,5 +1,7 @@
 import os
 import json
+import re
+import urllib.parse
 from collections import OrderedDict
 import singer
 from singer import metadata
@@ -74,8 +76,11 @@ def get_sheet_schema_columns(sheet):
             try:
                 first_value = first_values[i]
             except IndexError as err:
-                raise Exception('NO VALUE IN 2ND ROW FOR HEADER ERROR. SHEET: {}, COL: {}, CELL: {}2. {}'.format(
+                LOGGER.info('NO VALUE IN 2ND ROW FOR HEADER. SHEET: {}, COL: {}, CELL: {}2. {}'.format(
                     sheet_title, column_name, column_letter, err))
+                first_value = {}
+                first_values.append(first_value)
+                pass
 
             column_effective_value = first_value.get('effectiveValue', {})
 
@@ -221,20 +226,23 @@ def get_sheet_metadata(sheet, spreadsheet_id, client):
     stream_metadata = STREAMS.get(stream_name)
     api = stream_metadata.get('api', 'sheets')
     params = stream_metadata.get('params', {})
+    sheet_title_encoded = urllib.parse.quote_plus(sheet_title)
+    sheet_title_escaped = re.escape(sheet_title)
     querystring = '&'.join(['%s=%s' % (key, value) for (key, value) in \
-        params.items()]).replace('{sheet_title}', sheet_title)
+        params.items()]).replace('{sheet_title}', sheet_title_encoded)
     path = '{}?{}'.format(stream_metadata.get('path').replace('{spreadsheet_id}', \
         spreadsheet_id), querystring)
 
-    sheet_md_results = client.get(path=path, api=api, endpoint=stream_name)
+    sheet_md_results = client.get(path=path, api=api, endpoint=sheet_title_escaped)
     # sheet_metadata: 1st `sheets` node in results
     sheet_metadata = sheet_md_results.get('sheets')[0]
 
     # Create sheet_json_schema (for discovery/catalog) and columns (for sheet_metadata results)
     try:
         sheet_json_schema, columns = get_sheet_schema_columns(sheet_metadata)
-    except:
-        LOGGER.info('SKIPPING Malformed sheet: {}'.format(sheet_title))
+    except Exception as err:
+        LOGGER.warning('{}'.format(err))
+        LOGGER.warning('SKIPPING Malformed sheet: {}'.format(sheet_title))
         sheet_json_schema, columns = None, None
 
     return sheet_json_schema, columns
diff --git a/tap_google_sheets/sync.py b/tap_google_sheets/sync.py
index 689be27..3e26bc4 100644
--- a/tap_google_sheets/sync.py
+++ b/tap_google_sheets/sync.py
@@ -1,6 +1,8 @@
 import time
 import math
 import json
+import re
+import urllib.parse
 from datetime import datetime, timedelta
 import pytz
 import singer
@@ -75,10 +77,14 @@ def process_records(catalog,
         for record in records:
             # Transform record for Singer.io
             with Transformer() as transformer:
-                transformed_record = transformer.transform(
-                    record,
-                    schema,
-                    stream_metadata)
+                try:
+                    transformed_record = transformer.transform(
+                        record,
+                        schema,
+                        stream_metadata)
+                except Exception as err:
+                    LOGGER.error('{}'.format(err))
+                    raise RuntimeError(err)
                 write_record(
                     stream_name=stream_name,
                     record=transformed_record,
@@ -144,22 +150,26 @@ def get_data(stream_name,
     if not range_rows:
         range_rows = ''
     # Replace {placeholder} variables in path
+    # Encode stream_name: fixes issue w/ special characters in sheet name
+    stream_name_escaped = re.escape(stream_name)
+    stream_name_encoded = urllib.parse.quote_plus(stream_name)
     path = endpoint_config.get('path', stream_name).replace(
-        '{spreadsheet_id}', spreadsheet_id).replace('{sheet_title}', stream_name).replace(
+        '{spreadsheet_id}', spreadsheet_id).replace('{sheet_title}', stream_name_encoded).replace(
             '{range_rows}', range_rows)
     params = endpoint_config.get('params', {})
     api = endpoint_config.get('api', 'sheets')
     # Add in querystring parameters and replace {placeholder} variables
     # querystring function ensures parameters are added but not encoded causing API errors
     querystring = '&'.join(['%s=%s' % (key, value) for (key, value) in params.items()]).replace(
-        '{sheet_title}', stream_name)
+        '{sheet_title}', stream_name_encoded)
+    LOGGER.info('URL: {}/{}?{}'.format(client.base_url, path, querystring))
     data = {}
     time_extracted = utils.now()
     data = client.get(
         path=path,
         api=api,
         params=querystring,
-        endpoint=stream_name)
+        endpoint=stream_name_escaped)
     return data, time_extracted