Refine output

metadata_fetcher/fetch_registry_collections.py

@@ -3,62 +3,89 @@
 import sys
 import lambda_function
 import logging
+logger = logging.getLogger(__name__)
+
+def registry_endpoint(url):
+    page = url
+    while page:
+        response = requests.get(url=page)
+        response.raise_for_status()
+        page = response.json().get('meta', {}).get('next', None)
+        if page:
+            page = f"https://registry.cdlib.org{page}"
+
+        collections = response.json().get('objects', [response.json()])
+        for collection in collections:
+            yield collection
 
 
 def fetch_endpoint(url, limit=None):
+    response = requests.get(url=url)
+    response.raise_for_status()
+    total = response.json().get('meta', {}).get('total_count', 1)
+    progress = 0
+    fetch_report_headers = (
+        "Collection ID, Status, Total Pages, Rikolti Count, Solr Count, "
+        "Diff Count, Solr Last Updated"
+    )
+
+    if not limit:
+        limit = total
+
+    print(f">>> Fetching {limit}/{total} collections described at {url}")
+    print(fetch_report_headers)
 
-    collection_page = url
     results = {}
 
-    while collection_page and (not limit or len(results) < limit):
-        response = requests.get(url=collection_page)
-        response.raise_for_status()
-        total_collections = response.json().get('meta', {}).get('total_count', 1)
-        print(
-            f">>> Fetching {total_collections} collections "
-            f"described at {collection_page}"
-        )
+    for collection in registry_endpoint(url):
+        collection_id = collection['collection_id']
 
-        collection_page = response.json().get('meta', {}).get('next')
-        if collection_page:
-            collection_page = f"https://registry.cdlib.org{collection_page}"
-        logging.debug(f"Next page: {collection_page}")
-        collections = response.json().get('objects', [response.json()])
-        for collection in collections:
-            if limit and len(results) >= limit:
-                break
-            log_msg = f"[{collection['collection_id']}]: " + "{}"
-            print(log_msg.format(
-                f"Fetching collection {collection['collection_id']} - "
-                f"{collection['solr_count']} items in solr as of "
-                f"{collection['solr_last_updated']}"
-            ))
-            logging.debug(log_msg.format(f"lambda payload: {collection}"))
-            return_val = lambda_function.fetch_collection(
-                collection, None)
-            results[collection['collection_id']] = return_val
-
-            if return_val[-1]['status'] != 'success':
-                print(log_msg.format(f"Error: {return_val}"))
-            else:
-                logging.debug(log_msg.format(f"Fetch successful: {return_val}"))
-        collection_page = False
-
-    for collection_id, collection_result in results.items():
-        success = all([page['status'] == 'success' for page in collection_result])
-        total_items = sum([page['document_count'] for page in collection_result])
-        total_pages = collection_result[-1]['page'] + 1
-        print(
-            f"[{collection_id}]: Fetch {'successful' if success else 'errored'} - "
-            f"Fetched {total_items} items over {total_pages} pages"
+        progress = progress + 1
+        sys.stderr.write('\r')
+        progress_bar = f"{progress}/{limit}"
+        sys.stderr.write(
+            f"{progress_bar:<9}: start fetching {collection_id:<6}")
+        sys.stderr.flush()
+
+        logger.debug(
+            f"[{collection_id}]: call lambda with payload: {collection}")
+
+        fetch_result = lambda_function.fetch_collection(collection, None)
+        results[collection_id] = fetch_result
+
+        success = all([page['status'] == 'success' for page in fetch_result])
+        total_items = sum([page['document_count'] for page in fetch_result])
+        total_pages = fetch_result[-1]['page'] + 1
+        diff_items = total_items - collection['solr_count']
+
+        fetch_report_row = (
+            f"{collection_id}, {'success' if success else 'error'}, "
+            f"{total_pages}, {total_items}, {collection['solr_count']}, "
+            f"{diff_items}, {collection['solr_last_updated']}"
         )
+        print(fetch_report_row)
+
         if not success:
-            print(f"[{collection_id}]: {collection_result[-1]}")
+            fetch_report_failure_row = (
+                f"{collection_id}, {fetch_result[-1]}, -, -, -, -, -")
+            print(fetch_report_failure_row)
+
+        sys.stderr.write('\r')
+        progress_bar = f"{progress}/{limit}"
+        sys.stderr.write(
+            f"{progress_bar:<9}: finish fetching {collection_id:<5}")
+        sys.stderr.flush()
+
+        if limit and len(results.keys()) >= limit:
+            break
 
+    sys.stderr.write('\n')
     return results
 
 
 if __name__ == "__main__":
+    logging.basicConfig(
+        filename='fetch_endpoint.log', encoding='utf-8', level=logging.DEBUG)
     parser = argparse.ArgumentParser(
         description="Run fetcher for registry endpoint")
     parser.add_argument('endpoint', help='registry api endpoint')

metadata_fetcher/fetchers/Fetcher.py

@@ -1,7 +1,10 @@
 import requests
 import os
+import sys
 import settings
 import boto3
+import logging
+logger = logging.getLogger(__name__)
 
 
 class InvalidHarvestEndpoint(Exception):
@@ -67,12 +70,12 @@ def fetchtos3(self, page):
                 ),
                 Body=page)
         except Exception as e:
-            print(e)
+            print(e, file=sys.stderr)
 
     def fetch_page(self):
         page = self.build_fetch_request()
-        print(
-            f"[{self.collection_id}]: Fetching page {self.write_page} "
+        logger.debug(
+            f"[{self.collection_id}]: fetching page {self.write_page} "
             f"at {page.get('url')}"
         )
         try:

metadata_fetcher/fetchers/flickr_fetcher.py

@@ -8,6 +8,8 @@
 from requests.adapters import Retry
 from urllib.parse import urlencode
 import settings
+import logging
+logger = logging.getLogger(__name__)
 
 
 class FlickrFetcher(Fetcher):
@@ -116,7 +118,7 @@ def aggregate_vernacular_content(self, content: str) -> str:
         """
         photos = json.loads(content)
 
-        print(
+        logger.debug(
             f"[{self.collection_id}]: Starting to fetch all photos for page"
             f" {self.write_page}"
         )
@@ -132,14 +134,14 @@ def aggregate_vernacular_content(self, content: str) -> str:
                 if response.ok:
                     break
                 time.sleep(math.pow(i * 2, 2))
-                print(
+                logger.debug(
                     f"[{self.collection_id}]: Retrying request, response was not 2xx"
                 )
 
             photo_data.append(json.loads(response.content).get("photo"))
             self.photo_index += 1
 
-        print(
+        logger.debug(
             f"[{self.collection_id}]: Fetched all photos for page"
             f" {self.write_page}"
         )
@@ -162,7 +164,7 @@ def get_photo_metadata(self, id: str) -> requests.Response:
         })
         url = self.build_request_url(params)
 
-        print(
+        logger.debug(
             f"[{self.collection_id}]: Fetching photo {id} "
             f"({self.photo_index} of {self.photo_total}) at {url}"
         )
@@ -183,7 +185,7 @@ def check_page(self, http_resp: requests.Response) -> int:
         self.photo_total = len(data.get(self.response_items_attribute, {}).
                                get("photo", []))
 
-        print(
+        logger.debug(
             f"[{self.collection_id}]: Fetched ids for page {self.write_page} "
             f"at {http_resp.url} with {self.photo_total} hits"
         )

metadata_fetcher/fetchers/nuxeo_fetcher.py

@@ -6,6 +6,8 @@
 import boto3
 import settings
 import subprocess
+import logging
+logger = logging.getLogger(__name__)
 
 
 # {'harvest_data': {'harvest_extra_data'}}
@@ -137,7 +139,7 @@ def build_fetch_request(self):
                 'query': query
             }
         }
-        print(
+        logger.debug(
             f"[{self.collection_id}]: Fetching page {page} of {query_type} at "
             f"{self.nuxeo['prefix']} - {current_path['path']}"
         )
@@ -162,7 +164,7 @@ def check_page(self, http_resp: requests.Response) -> int:
 
         documents = 0
         if query_type in ['documents', 'children'] and response.get('entries'):
-            print(
+            logger.debug(
                 f"[{self.collection_id}]: "
                 f"Fetched page {self.nuxeo.get('api_page')} of "
                 f"{query_type} at {self.nuxeo['prefix']} - "
@@ -192,7 +194,7 @@ def check_page(self, http_resp: requests.Response) -> int:
                 )
 
         if not documents:
-            print(
+            logger.debug(
                 f"[{self.collection_id}]: Fetched page is empty")
 
         return documents

metadata_fetcher/fetchers/oac_fetcher.py

@@ -2,6 +2,8 @@
 import requests
 from xml.etree import ElementTree
 from .Fetcher import Fetcher
+import logging
+logger = logging.getLogger(__name__)
 
 
 class OacFetcher(Fetcher):
@@ -70,7 +72,7 @@ def build_fetch_request(self):
             f"&startDoc={harvested+1}"
             f"&group={current_group}"
         )}
-        print(
+        logger.debug(
             f"[{self.collection_id}]: Fetching page "
             f"at {request.get('url')}")
 
@@ -86,7 +88,7 @@ def check_page(self, http_resp: requests.Response) -> int:
                 f"{self.oac.get('url')}&docsPerPage=100&"
                 f"startDoc={harvested+1}&group={current_group}"
             )
-            print(
+            logger.debug(
                 f"[{self.collection_id}]: Fetched page "
                 f"at {requested_url} "
                 f"with {len(xml_hits)} hits"

metadata_fetcher/fetchers/oai_fetcher.py

@@ -4,6 +4,7 @@
 from urllib.parse import parse_qs
 from sickle import Sickle
 import requests
+import logging
 
 NAMESPACE = {'oai2': 'http://www.openarchives.org/OAI/2.0/'}
 
@@ -69,9 +70,9 @@ def check_page(self, http_resp: requests.Response) -> int:
             'oai2:ListRecords', NAMESPACE).findall('oai2:record', NAMESPACE)
 
         if len(xml_hits) > 0:
-            print(
-                f"[{self.collection_id}]: Fetched page {self.write_page}; "
-                f"{len(xml_hits)} hits; {self.build_fetch_request()['url']}"
+            logging.debug(
+                f"{self.collection_id}, fetched page {self.write_page} - "
+                f"{len(xml_hits)} hits,-,-,-,-,-"
             )
         return len(xml_hits)
 

metadata_fetcher/lambda_function.py

@@ -3,8 +3,9 @@
 import sys
 import settings
 import importlib
+import logging
 from fetchers.Fetcher import Fetcher, InvalidHarvestEndpoint
-
+logger = logging.getLogger(__name__)
 
 def import_fetcher(harvest_type):
     fetcher_module = importlib.import_module(
@@ -23,34 +24,36 @@ def fetch_collection(payload, context):
     if settings.LOCAL_RUN and isinstance(payload, str):
         payload = json.loads(payload)
 
+    logger.debug(f"fetch_collection payload: {payload}")
+
     fetcher_class = import_fetcher(payload.get('harvest_type'))
 
-    return_val = {'page': payload.get('write_page', 0), 'document_count': 0}
+    fetch_report = {'page': payload.get('write_page', 0), 'document_count': 0}
     try:
         fetcher = fetcher_class(payload)
-        return_val['document_count'] = fetcher.fetch_page()
+        fetch_report['document_count'] = fetcher.fetch_page()
     except InvalidHarvestEndpoint as e:
-        print(e)
-        return_val.update({
+        logger.error(e)
+        fetch_report.update({
             'status': 'error',
             'body': json.dumps({
                 'error': repr(e),
                 'payload': payload
             })
         })
-        return [return_val]
+        return [fetch_report]
 
     next_page = fetcher.json()
-    return_val.update({
+    fetch_report.update({
         'status': 'success',
         'next_page': next_page
     })
 
-    return_val = [return_val]
+    fetch_report = [fetch_report]
 
     if not json.loads(next_page).get('finished'):
         if settings.LOCAL_RUN:
-            return_val.extend(fetch_collection(next_page, {}))
+            fetch_report.extend(fetch_collection(next_page, {}))
         else:
             lambda_client = boto3.client('lambda', region_name="us-west-2",)
             lambda_client.invoke(
@@ -59,7 +62,7 @@ def fetch_collection(payload, context):
                 Payload=next_page.encode('utf-8')
             )
 
-    return return_val
+    return fetch_report
 
 
 if __name__ == "__main__":
@@ -68,5 +71,13 @@ def fetch_collection(payload, context):
         description="Fetch metadata in the institution's vernacular")
     parser.add_argument('payload', help='json payload')
     args = parser.parse_args(sys.argv[1:])
+
+    logging.basicConfig(
+        filename=f"fetch_collection_{args.payload.get('collection_id')}.log",
+        encoding='utf-8',
+        level=logging.DEBUG
+    )
+    print(f"Starting to fetch collection {args.payload.get('collection_id')}")
     fetch_collection(args.payload, {})
+    print(f"Finished fetching collection {args.payload.get('collection_id')}")
     sys.exit(0)

metadata_fetcher/settings.py

@@ -1,6 +1,8 @@
 import os
-
+import sys
+import logging
 from dotenv import load_dotenv
+logger = logging.getLogger(__name__)
 
 load_dotenv()
 
@@ -14,6 +16,10 @@
 if not LOCAL_RUN and DATA_DEST == 'local':
     print(
         "A local data destination is only valid "
-        "when the application is run locally"
+        "when the application is run locally",
+        file=sys.stderr
     )
     exit()
+
+for key, value in os.environ.items():
+    logger.debug(f"{key}={value}")