Merging latest development commits

conftest.py

@@ -2,7 +2,7 @@
 
 from dotenv import dotenv_values
 
-from src.utils import PREFIX
+from src.environment import PREFIX
 
 # for testing Gradescope package currently under development
 # in production, we will use the gradescope_api from https://cs161-staff/gradescope-api

src/email.py

@@ -12,17 +12,10 @@
 from sicp.common.rpc.mail import send_email
 
 from src.assignments import AssignmentList
+from src.environment import Environment
 from src.errors import EmailError, KnownError
 from src.record import StudentRecord
-from src.utils import Environment, cast_list_str
-
-ENV_EMAIL_FROM = "EMAIL_FROM"
-ENV_EMAIL_REPLY_TO = "EMAIL_REPLY_TO"
-ENV_EMAIL_SUBJECT = "EMAIL_SUBJECT"
-ENV_EMAIL_SIGNATURE = "EMAIL_SIGNATURE"
-ENV_EMAIL_CC = "EMAIL_CC"
-ENV_APP_MASTER_SECRET = "APP_MASTER_SECRET"
-
+from src.utils import cast_list_str
 
 class Email:
     """
@@ -86,24 +79,25 @@ def fmt_date(dt: datetime):
         body += "\n\n"
         body += "Best,"
         body += "\n\n"
-        body += Environment.get(ENV_EMAIL_SIGNATURE)
+        body += Environment.get_email_signature()
         body += "\n\n"
         body += (
             "Disclaimer: This is an auto-generated email. We may follow up with you in"
             + " this thread, and feel free to reply to this thread if you'd like to follow up with us!"
         )
 
-        cc_emails = cast_list_str(Environment.safe_get(ENV_EMAIL_CC, ""))
+        cc_emails = cast_list_str(Environment.get_email_cc())
 
         return cls(
             to_email=student.get_email(),
-            from_email=Environment.get(ENV_EMAIL_FROM),
+            from_email=Environment.get_email_from(),
             cc_emails=cc_emails,
-            reply_to_email=Environment.get(ENV_EMAIL_REPLY_TO),
-            subject=Environment.get(ENV_EMAIL_SUBJECT),
+            reply_to_email=Environment.get_reply_to_email(),
+            subject=Environment.get_email_subject(),
             body=body,
         )
 
+    """
     def OLDsend(self) -> None:
         # TODO: When 162 adds HTML support, bring back HTML emails.
         # html_body = Markdown().convert(self.body)
@@ -130,35 +124,32 @@ def OLDsend(self) -> None:
 
         except Exception as e:
             raise EmailError("An error occurred while sending an email:", e)
-
+    """
 
     def send(self) -> None:
         PORT = 465  # For starttls
-        HOST = "REDACTED"
-        username = "REDACTED"
-        sender_email = "REDACTED"
-        SENDERNAME = Environment.get(ENV_EMAIL_FROM)
+
+        SMTP_HOST = os.environ['SMTP_HOST']
+        smtp_username = os.environ['SMTP_USERNAME']
+        smtp_password = os.environ['SMTP_PASSWORD']
+        sender_email = os.environ['SENDER_EMAIL']
+
+        SENDERNAME = Environment.get_email_from()
         receiver_email = self.to_email
         cc_emails = self.cc_emails
         reply_to_email = self.reply_to_email
-        password = "REDACTED"
         SUBJECT = self.subject
-        # message = """\
-        # Subject: Hi there
-
-        # This message is sent from Python."""
-
-
+
         msg = MIMEMultipart('alternative')
         msg['Subject'] = SUBJECT
-        #msg['From'] = formataddr((SENDERNAME, sender_email))
         msg['From'] = SENDERNAME
         msg['To'] = receiver_email
         email_id = make_msgid()
         msg['Message-Id'] = email_id
         msg['References'] = email_id
         msg['In-Reply-To'] = email_id
-        msg.add_header('reply-to', reply_to_email)
+        msg['Reply-To'] = reply_to_email
+
         if len(cc_emails) > 0:
             msg['CC'] = ",".join(cc_emails)
         # Comment or delete the next line if you are not using a configuration set
@@ -172,8 +163,8 @@ def send(self) -> None:
         # the HTML message, is best and preferred.
         msg.attach(part1)
 
-        with SMTP_SSL(HOST, PORT) as server:
-            server.login(username, password)
+        with SMTP_SSL(SMTP_HOST, PORT) as server:
+            server.login(smtp_username, smtp_password)
             server.sendmail(sender_email, [receiver_email]+cc_emails, msg.as_string())
             server.close()
             print("Email sent!")

src/environment.py

@@ -0,0 +1,137 @@
+import os
+from typing import Optional
+
+from dotenv import dotenv_values
+from src.sheets import Sheet
+
+PREFIX = "flextensions_"
+
+DEFAULT_COURSE_NAME = "PLEASE SET A COURSE NAME"
+DEFAULT_REPLY_TO_EMAIL = "PLEASE SET REPLY-TO EMAIL"
+
+DEFAULT_AUTO_APPROVE_THRESHOLD = 1
+DEFAULT_AUTO_APPROVE_THRESHOLD_DSP = 1
+DEFAULT_APPROVE_ASSIGNMENT_THRESHOLD = 1
+DEFAULT_MAX_TOTAL_REQUESTED_EXTENSIONS_THRESHOLD = 3
+
+DEFAULT_EMAIL_FROM = "[{}] <{}@berkeley.edu>".format(DEFAULT_COURSE_NAME, DEFAULT_COURSE_NAME)
+DEFAULT_EMAIL_SUBJECT = "[CS 000] Extension Request Update"
+DEFAULT_EMAIL_SIGNATURE = "{} Staff".format(DEFAULT_COURSE_NAME)
+
+DEFAULT_EXTEND_GRADESCOPE_ASSIGNMENTS = "No"
+
+class Environment:
+    @staticmethod
+    def clear():
+        keys = os.environ.keys()
+        for key in keys:
+            if key.startswith(PREFIX):
+                del os.environ[key]
+
+    @staticmethod
+    def contains(key: str) -> bool:
+        return os.getenv(PREFIX + key) is not None and str(os.getenv(PREFIX + key)).strip() != ""
+
+    @staticmethod
+    def _safe_get(key: str, default: str = None) -> Optional[str]:
+        if os.getenv(PREFIX + key):
+            data = str(os.getenv(PREFIX + key)).strip()
+            if data:
+                return data
+        return default
+
+    # @staticmethod
+    # def get(key: str) -> Any:
+    #     if not os.getenv(PREFIX + key):
+    #         raise ConfigurationError("Environment variable not set: " + key)
+    #     return os.getenv(PREFIX + key)
+
+    @staticmethod
+    def get_auto_approve_threshold() -> int:
+        return int(Environment._safe_get("AUTO_APPROVE_THRESHOLD", DEFAULT_AUTO_APPROVE_THRESHOLD))
+
+    @staticmethod
+    def get_auto_approve_threshold_dsp() -> int:
+        return int(Environment._safe_get("AUTO_APPROVE_THRESHOLD_DSP", DEFAULT_AUTO_APPROVE_THRESHOLD_DSP))
+
+    @staticmethod
+    def get_max_total_requested_extensions_threshold() -> int:
+        return int(Environment._safe_get("MAX_TOTAL_REQUESTED_EXTENSIONS_THRESHOLD", DEFAULT_MAX_TOTAL_REQUESTED_EXTENSIONS_THRESHOLD))
+
+    @staticmethod
+    def get_auto_approve_assignment_threshold() -> int:
+        return int(Environment._safe_get("AUTO_APPROVE_ASSIGNMENT_THRESHOLD", DEFAULT_APPROVE_ASSIGNMENT_THRESHOLD))
+
+    @staticmethod
+    def get_course_name() -> str:
+        return Environment._safe_get("COURSE_NAME", DEFAULT_COURSE_NAME)
+
+    @staticmethod
+    def get_reply_to_email() -> str:
+        return Environment._safe_get("REPLY_TO_EMAIL", DEFAULT_REPLY_TO_EMAIL)
+
+    @staticmethod
+    def get_email_from() -> str:
+        return Environment._safe_get("EMAIL_FROM", DEFAULT_EMAIL_FROM)
+
+    @staticmethod
+    def get_email_subject() -> str:
+        return Environment._safe_get("EMAIL_SUBJECT", DEFAULT_EMAIL_SUBJECT)
+
+    @staticmethod
+    def get_email_signature() -> str:
+        return Environment._safe_get("EMAIL_SIGNATURE", DEFAULT_EMAIL_SIGNATURE)
+
+    @staticmethod
+    def get_email_cc() -> Optional[str]:
+        return Environment._safe_get("EMAIL_CC")
+
+    @staticmethod
+    def get_slack_endpoint() -> Optional[str]:
+        return Environment._safe_get("SLACK_ENDPOINT")
+
+    @staticmethod
+    def get_slack_debug_endpoint() -> Optional[str]:
+        return Environment._safe_get("SLACK_DEBUG_ENDPOINT")
+
+    @staticmethod
+    def get_slack_tag_list() -> Optional[str]:
+        return Environment._safe_get("SLACK_TAG_LIST")
+
+    @staticmethod
+    def get_extend_gradescope_assignments() -> bool:
+        return Environment._safe_get("EXTEND_GRADESCOPE_ASSIGNMENTS", DEFAULT_EXTEND_GRADESCOPE_ASSIGNMENTS)
+
+    @staticmethod
+    def get_gradescope_email() -> Optional[str]:
+        return Environment._safe_get("GRADESCOPE_EMAIL")
+
+    @staticmethod
+    def get_gradescope_password() -> Optional[str]:
+        return Environment._safe_get("GRADESCOPE_PASSWORD")
+
+    @staticmethod
+    def get_spreadsheet_url() -> Optional[str]:
+        return Environment._safe_get("SPREADSHEET_URL")
+
+    @staticmethod
+    def configure_env_vars(sheet: Sheet):
+        """
+        Reads environment variables from the "Environment Variables" sheet, and stores them into this process's
+        environment variables for downstream use. Expects two columns: a "key" column, and a "value"
+        """
+        records = sheet.get_all_records()
+        for record in records:
+            key = record.get("key")
+            value = record.get("value")
+            if not key:
+                continue
+            os.environ[PREFIX + key] = str(value)
+
+        # Load local environment variables now from .env, which override remote provided variables for debugging
+        if os.path.exists(".env-pytest"):
+            for key, value in dotenv_values(".env-pytest").items():
+                if key == "APP_MASTER_SECRET":
+                    os.environ[key] = value
+                else:
+                    os.environ[PREFIX + key] = value

src/gradescope.py

@@ -2,8 +2,9 @@
 
 from gradescope_api.client import GradescopeClient
 
+from src.environment import Environment
 from src.errors import GradescopeError
-from src.utils import Environment, cast_bool, truncate
+from src.utils import cast_bool, truncate
 
 
 class Gradescope:
@@ -23,12 +24,15 @@ def __init__(self) -> None:
 
     @staticmethod
     def is_enabled():
-        return cast_bool(Environment.safe_get("EXTEND_GRADESCOPE_ASSIGNMENTS", "No"))
+        return cast_bool(Environment.get_extend_gradescope_assignments())
 
-    def apply_extension(self, assignment_urls: List[str], email: str, num_days: int) -> List[str]:
+    def apply_extension(self, assignment_name: str, assignment_urls: List[str], email: str, num_days: int) -> List[str]:
         warnings = []
+        course_name = Environment.safe_get('COURSE_NAME', '')
+
         for assignment_url in assignment_urls:
-            prefix = f"[{email}] [{assignment_url}] [{num_days}] "
+            prefix = '[{}] [{}{}] [{}] [{}] '.format(
+                email, course_name + ' ', assignment_name, assignment_url, num_days)
             print("Extending: " + prefix)
             try:
                 course = self.client.get_course(course_url=assignment_url)

src/handle_email_queue.py

@@ -2,13 +2,12 @@
 
 from src.assignments import AssignmentList
 from src.email import Email
+from src.environment import Environment
 from src.errors import ConfigurationError
 from src.gradescope import Gradescope
 from src.record import EMAIL_STATUS_IN_QUEUE, StudentRecord
 from src.sheets import SHEET_ASSIGNMENTS, SHEET_ENVIRONMENT_VARIABLES, SHEET_STUDENT_RECORDS, BaseSpreadsheet
 from src.slack import SlackManager
-from src.utils import Environment
-
 
 def handle_email_queue(request_json):
     if "spreadsheet_url" not in request_json:

src/handle_flush_gradescope.py

@@ -1,10 +1,10 @@
 from src.assignments import AssignmentList
+from src.environment import Environment
 from src.errors import ConfigurationError
 from src.gradescope import Gradescope
 from src.record import StudentRecord
 from src.sheets import SHEET_ASSIGNMENTS, SHEET_ENVIRONMENT_VARIABLES, SHEET_STUDENT_RECORDS, BaseSpreadsheet
 from src.slack import SlackManager
-from src.utils import Environment
 
 
 def handle_flush_gradescope(request_json):

src/policy.py

@@ -2,13 +2,12 @@
 
 from src.assignments import AssignmentList
 from src.email import Email
+from src.environment import Environment
 from src.gradescope import Gradescope
 from src.record import StudentRecord
 from src.sheets import Sheet
 from src.slack import SlackManager
 from src.submission import FormSubmission
-from src.utils import Environment
-
 
 class Policy:
     def __init__(

src/record.py

@@ -7,10 +7,13 @@
 from pytz import timezone
 
 from src.assignments import AssignmentList
+from src.environment import Environment
 from src.errors import StudentRecordError
 from src.gradescope import Gradescope
 from src.sheets import Sheet
-from src.utils import cast_bool
+from src.utils import cast_bool 
+
+import json
 
 APPROVAL_STATUS_REQUESTED_MEETING = "Requested Meeting"
 APPROVAL_STATUS_PENDING = "Pending"
@@ -137,6 +140,8 @@ def flush(self):
 
         if self.table_index == -1:
             values = [self.write_queue.get(header) for header in headers]
+            # minus 1 to account for header row
+            self.table_index = self.sheet.num_entries - 1 
             self.sheet.append_row(values=values, value_input_option="USER_ENTERED")
 
             # Update local table_record object for email.
@@ -155,30 +160,37 @@ def flush(self):
             self.sheet.update_cells(cells=cells)
 
     def apply_extensions(self, assignments: AssignmentList, gradescope: Gradescope) -> List[str]:
+
         warnings = []
         for assignment in assignments:
             num_days = self.get_request(assignment_id=assignment.get_id())
+            course_name = Environment.safe_get("COURSE_NAME", "")
+
             if num_days:
+
                 if len(assignment.get_gradescope_assignment_urls()) == 0:
                     print(
-                        f"[{assignment.get_name()}] could not extend assignment deadline for {self.get_email()} (assignment URL's not set)."
-                    )
+                        "[{}{}] could not extend assignment deadline for {} (assignment URL's not set).".format(
+                            course_name + " ", assignment.get_name(), self.get_email()))
                     continue
 
                 elif not assignment.get_due_date():
                     warnings.append(
-                        f"[{assignment.get_name()}] could not extend assignment deadline for {self.get_email()} (deadline not set)."
-                    )
+                        "[{} {}] could not extend assignment deadline for {} (deadline not set).".format(
+                            course_name + " ", assignment.get_name(), self.get_email()))
                     continue
 
                 else:
-                    print("Extending assignments: " + str(assignment.get_gradescope_assignment_urls()))
+                    print("Extending assignments: [{}{}] {}".format(
+                        course_name + " ", assignment.get_name(), str(assignment.get_gradescope_assignment_urls())))
                     warnings = gradescope.apply_extension(
+                        assignment_name=assignment.get_name(),
                         assignment_urls=assignment.get_gradescope_assignment_urls(),
                         email=self.get_email(),
                         num_days=num_days,
                     )
                     warnings.extend(warnings)
+
         return warnings
 
     @staticmethod