Refactor

deletefb/deletefb.py

@@ -1,10 +1,10 @@
-#! /usr/bin/env python
+#!/usr/bin/env python
 
 import argparse
 import getpass
+import sys
+import os
 
-from sys import exit
-from os import environ
 from .tools.login import login
 from .tools.wall import delete_posts
 from .tools.likes import unlike_pages
@@ -88,9 +88,9 @@ def run_delete():
     args = parser.parse_args()
 
     if args.archive_off:
-        environ["DELETEFB_ARCHIVE"] = "false"
+        os.environ["DELETEFB_ARCHIVE"] = "false"
     else:
-        environ["DELETEFB_ARCHIVE"] = "true"
+        os.environ["DELETEFB_ARCHIVE"] = "true"
 
 
     if args.year and args.mode != "wall":
@@ -113,7 +113,7 @@ def run_delete():
         unlike_pages(driver)
     else:
         print("Please enter a valid mode")
-        exit(1)
+        sys.exit(1)
 
 if __name__ == "__main__":
     run_delete()

deletefb/tools/common.py

@@ -1,50 +1,59 @@
-from selenium.common.exceptions import (NoSuchElementException,
-                                        StaleElementReferenceException,
-                                        TimeoutException)
-from time import sleep
-from json import dumps
+import json
+import os
 from os.path import abspath, relpath, split
-from os import environ
+import time
 
-SELENIUM_EXCEPTIONS = (NoSuchElementException,
-                       StaleElementReferenceException,
-                       TimeoutException)
+from selenium.common.exceptions import (
+    NoSuchElementException,
+    StaleElementReferenceException,
+    TimeoutException
+)
+
+
+SELENIUM_EXCEPTIONS = (
+    NoSuchElementException,
+    StaleElementReferenceException,
+    TimeoutException
+)
 
 def try_move(actions, el):
     for _ in range(10):
         try:
             actions.move_to_element(el).perform()
         except StaleElementReferenceException:
-            sleep(5)
+            time.sleep(5)
             continue
 
 
 def archiver(category):
     """
-    category: the category of logs you want to log
-    return values: (log_file_handle, archiver)
+     Log content to file. Call using `archive("some content")`
+
+    Args:
+        category: str The category of logs you want to log
 
-    call archiver like archive("some content")
+    Returns:
+        (log_file_handle, archiver)
     """
     log_path = "{0}.log".format(abspath(relpath(split(category)[-1], ".")))
 
     log_file = open(log_path, mode="ta", buffering=1)
 
     def log(content, timestamp=False):
-        if environ.get("DELETEFB_ARCHIVE", "true") == "false":
+        if os.environ.get("DELETEFB_ARCHIVE", "true") == "false":
             return
         structured_content = {
-                               "category" : category,
-                               "content" : content,
-                               "timestamp" : timestamp
-                              }
+            "category" : category,
+            "content" : content,
+            "timestamp" : timestamp
+        }
 
-        log_file.write("{0}\n".format(dumps(structured_content)))
+        log_file.write("{0}\n".format(json.dumps(structured_content)))
 
     return (log_file, log)
 
 
-no_chrome_driver = """
+NO_CHROME_DRIVER = """
 You need to install the chromedriver for Selenium\n
 Please see this link https://github.com/weskerfoot/DeleteFB#how-to-use-it\n
 """

deletefb/tools/likes.py

@@ -2,11 +2,19 @@ from selenium.webdriver.common.by import By
 from selenium.webdriver.common.action_chains import ActionChains
 from selenium.webdriver.support.ui import WebDriverWait
 from selenium.webdriver.support import expected_conditions as EC
+
 from .common import SELENIUM_EXCEPTIONS, archiver
 
+
 def load_likes(driver):
     """
     Loads the page that lists all pages you like
+
+    Args:
+        driver: seleniumrequests.Chrome Driver instance
+
+    Returns:
+        None
     """
     driver.get("https://www.facebook.com/pages/?category=liked")
 
@@ -26,6 +34,12 @@ def load_likes(driver):
 def unlike_pages(driver):
     """
     Unlike all pages
+
+    Args:
+        driver: seleniumrequests.Chrome Driver instance
+
+    Returns:
+        None
     """
 
     like_log, archive_likes = archiver("likes")
@@ -52,7 +66,7 @@ def unlike_pages(driver):
 
                     print("{0} was unliked".format(page_name))
 
-            except SELENIUM_EXCEPTIONS as e:
+            except SELENIUM_EXCEPTIONS:
                 continue
 
         load_likes(driver)

deletefb/tools/login.py

@@ -1,10 +1,12 @@
 import time
+import sys
 
-from sys import stderr, exit
+from selenium.common.exceptions import NoSuchElementException
 from selenium.webdriver.chrome.options import Options
 from seleniumrequests import Chrome
-from selenium.common.exceptions import NoSuchElementException
-from .common import no_chrome_driver
+
+from .common import NO_CHROME_DRIVER
+
 
 def login(user_email_address,
           user_password,
@@ -14,9 +16,13 @@ def login(user_email_address,
     Attempts to log into Facebook
     Returns a driver object
 
-    user_email_address: str Your Email
-    user_password: str Your password
-    user_profile_url: str Your profile URL
+    Args:
+        user_email_address: str Your email
+        user_password: str Your password
+        user_profile_url: str Your profile URL
+
+    Returns:
+        seleniumrequests.Chrome instance
 
     """
     # The Chrome driver is required because Gecko was having issues
@@ -35,9 +41,9 @@ def login(user_email_address,
     except Exception as e:
         # The user does not have chromedriver installed
         # Tell them to install it
-        stderr.write(str(e))
-        stderr.write(no_chrome_driver)
-        exit(1)
+        sys.stderr.write(str(e))
+        sys.stderr.write(NO_CHROME_DRIVER)
+        sys.exit(1)
 
     driver.implicitly_wait(10)
 
@@ -45,7 +51,7 @@ def login(user_email_address,
 
     email = "email"
     password = "pass"
-    login = "loginbutton"
+    login_button = "loginbutton"
     approvals_code = "approvals_code"
 
     emailelement = driver.find_element_by_name(email)
@@ -54,7 +60,7 @@ def login(user_email_address,
     emailelement.send_keys(user_email_address)
     passwordelement.send_keys(user_password)
 
-    loginelement = driver.find_element_by_id(login)
+    loginelement = driver.find_element_by_id(login_button)
     loginelement.click()
 
     # Defaults to no 2fa

deletefb/tools/wall.py

@@ -1,19 +1,26 @@
 import time
 
 from selenium.webdriver.common.action_chains import ActionChains
+
 from .common import SELENIUM_EXCEPTIONS, archiver
 
 # Used as a threshold to avoid running forever
 MAX_POSTS = 15000
 
+
 def delete_posts(driver,
                  user_profile_url,
                  year=None):
     """
     Deletes or hides all posts from the wall
+
+    Args:
+        driver: seleniumrequests.Chrome Driver instance
+        user_profile_url: str
+        year: optional int YYYY year
     """
 
-    if not year is None:
+    if year is not None:
         user_profile_url = "{0}/timeline?year={1}".format(user_profile_url, year)
 
     driver.get(user_profile_url)