added submission date to extractor

scripts/drugtools/historical_nct_extractor.py

@@ -28,10 +28,11 @@ class VersionData():
 
     It will also implement the ability to load the data to the database
     """
-    def __init__(self,nct_id,version_id):
+    def __init__(self,nct_id,version_id,submission_date):
         #identifiers
         self.nct_id = nct_id.strip()
         self.version_id = version_id
+        self.submission_date = submission_date
 
         #Study Status
         self._primary_completion_date = None
@@ -56,6 +57,7 @@ class VersionData():
             (
                 nct_id,
                 version,
+                submission_date,
                 primary_completion_date,
                 primary_completion_date_category,
                 start_date,
@@ -82,6 +84,7 @@ class VersionData():
                 %s,
                 %s,
                 %s,
+                %s,
                 %s
             )
         """
@@ -93,6 +96,7 @@ class VersionData():
                     (
                         self.nct_id,
                         self.version_id,
+                        self.submission_date,
                         self._primary_completion_date,
                         self._primary_completion_date_category,
                         self._start_date,
@@ -113,6 +117,28 @@ class VersionData():
             
             db_connection.commit()
         
+############ Functions
+def extract_submission_dates(soup):
+    """
+    Extract dates for each version
+    """
+    table_rows = soup.findChildren("fieldset")[0].table.tbody.findChildren("tr")
+
+    version_date_dict = {}
+
+    for row in reversed(table_rows):
+        # if it is <td headers="VersionNumber">xx</td> then it contains what we need.
+        for td in row.findChildren("td"):
+            if ("headers" in td.attrs):
+                if (td.attrs["headers"][0]=="VersionNumber"):
+                    version_number = int(td.text)
+                elif (td.attrs["headers"][0]=="VersionDate"):
+                    version_date = td.text
+            version_date_dict[version_number] = datetime.strptime(version_date , "%B %d, %Y")
+
+    print(version_date_dict)
+    return version_date_dict
+
 def optional_strip(possible_string):
     if type(possible_string) == str:
         return possible_string.strip()
@@ -370,10 +396,14 @@ date_MMMM_DD_YYYY = "%B %d, %Y"
 
 def get_data_from_versions(nct_id,html, version_a_int, version_b_int):
     soup = BeautifulSoup(html,"lxml")
+    print(getting_data_from_versions)
+
+    version_date_dict = extract_submission_dates(soup)
+    print(version_date_dict)
 
     #preallocate version data
-    version_a = VersionData(nct_id, version_a_int)
+    version_a = VersionData(nct_id, version_a_int, version_date_dict[version_a_int])
-    version_b = VersionData(nct_id, version_b_int)
+    version_b = VersionData(nct_id, version_b_int, version_date_dict[version_b_int])
 
     #extract data from html and put it in the preallocated objects
     get_forms(soup, version_a, version_b)
@@ -394,6 +424,7 @@ def run():
             curse.execute(sql)
             for response in tqdm(curse.fetchall()):
                 nct_id, version_a, version_b, html = response
+                print(nct_id)
 
                 print(nct_id, version_a, version_b) if VERBOSE else ""