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web_scraping.py
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web_scraping.py
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import time
import re
import random
from random import randint
from datetime import datetime as dt
from selenium import webdriver
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
from selenium.webdriver.common.by import By
from selenium.webdriver.common.alert import Alert
from selenium.webdriver.common.action_chains import ActionChains
from selenium.common.exceptions import ElementClickInterceptedException, NoAlertPresentException
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
SEARCH_DICT = {
"id": By.ID,
"tag_name": By.TAG_NAME,
"name": By.NAME,
"link_text": By.LINK_TEXT,
"partial_link_text": By.PARTIAL_LINK_TEXT,
"css_selector": By.CSS_SELECTOR,
"xpath": By.XPATH
}
class Webrip:
###########
# UTILITY #
###########
def get_element_dict(self, text_input=None, **kwargs):
self.log("__function__: Getting Element", level='DEBUG')
web_element_dict = dict()
if text_input:
web_element_dict['text_input'] = text_input
for key, value in kwargs.items():
if value is not None:
web_element_dict[key] = value
return web_element_dict
# def set_log(self, object):
# self.log = object
# self.log("__function__: Setting log", level='DEBUG')
# def set_options(self, headless=None, wait=False, name=None):
# self.headless = headless
# if wait is not False:
# self.wait = wait
# if name:
# self.app_name = name
# else:
# self.app_name = (__name__)
##########
# DRIVER #
##########
def check_driver(self):
self.log("__function__: Checking Driver", level='DEBUG')
if self.driver:
self.log("__function__: Driver is active", level='DEBUG')
else:
self.log(f"__function__: Driver is {self.driver}", level='DEBUG')
self.get_driver()
def get_driver(self):
self.log("__function__: Getting Driver", level='DEBUG')
# initialize options
options = webdriver.ChromeOptions()
# pass in headless argument to options
if self.headless is True:
self.log("__function__: Making Headless", level='DEBUG')
options.add_argument('--headless')
options.add_argument("--no-sandbox")
options.add_argument("disable-notifications")
options.add_argument("disable-infobars")
# options.add_argument('--incognito')
options.add_argument('user-data-dir=/home/seluser/userdata')
options.add_argument(
'user-agent=Mozilla/5.0 (Windows NT 10.0; rv:78.0) Gecko/20100101 Firefox/78.0'
)
# options.add_argument("--disable-popup-blocking")
# options.add_argument("--disable-gpu")
# options.add_argument("--window-size=800,600")
options.add_argument("--disable-dev-shm-usage")
# initialize driver
self.log("__function__: Making Driver", level='DEBUG')
try:
self.driver = webdriver.Remote(
command_executor='http://hub:4444/wd/hub',
options=options,
desired_capabilities=DesiredCapabilities.CHROME)
self.driver.implicitly_wait(20)
except Exception as Error:
self.log(Error, level='ERROR')
self.driver = None
#########
# LOGON #
#########
def get_login_name(self,
text_input=None,
id=None,
name=None,
link_text=None,
partial_link_text=None,
tag=None,
class_name=None,
data=None):
self.log("__function__: Setting Login Name", level='DEBUG')
if data:
user = data
else:
user = self.get_element_dict(text_input,
id=id,
name=name,
tag=tag,
link_text=link_text,
partial_link_text=partial_link_text,
class_name=class_name)
self.log(f"Setting user Name to {user}")
return user
def get_login_password(self,
text_input=None,
id=None,
name=None,
link_text=None,
partial_link_text=None,
tag=None,
class_name=None,
data=None):
self.log("__function__: Setting Login Password", level='DEBUG')
if data:
password = data
else:
password = self.get_element_dict(
text_input,
id=id,
name=name,
link_text=link_text,
partial_link_text=partial_link_text,
tag=tag,
class_name=class_name)
return password
def get_login_button(self,
text_input=None,
id=None,
name=None,
link_text=None,
partial_link_text=None,
tag=None,
class_name=None,
data=None):
self.log("__function__: Setting Login Button", level='DEBUG')
if data:
button = data
else:
button = self.get_element_dict(text_input,
id=id,
name=name,
link_text=link_text,
partial_link_text=partial_link_text,
tag=tag,
class_name=class_name)
return button
def login(self, login_website=None, fresh=None, submit=True):
self.log(f"__function__: Logging on {fresh=}", level='DEBUG')
if login_website:
self.login_website = login_website
else:
if self.login_website is None:
self.website_close()
raise KeyError
try:
self.check_driver()
if fresh:
self.driver.get(self.login_website)
if self.login_name:
element = self.input_text(self.login_name)
else:
self.log(f'Something went wrong with {self.login_name=}',
level='ERROR')
self.screenshot(pic='error')
raise KeyError
self.log("Starting second round", level='DEBUG')
if self.login_password:
self.log('__function__: Inputting Login Password',
level='DEBUG')
element = self.input_text(self.login_password)
else:
self.log(
f'__function__:Something went wrong with {self.login_password=}',
level='ERROR')
self.screenshot(pic='error')
raise KeyError
if element and self.login_submit:
self.log("__function__: Submitting Form", level='DEBUG')
element.submit()
else:
self.log(f'__function__: No Submit {element=}', level='DEBUG')
if self.login_button:
self.log(
f'__function__: Pressing Login Button {self.login_button}',
level='DEBUG')
self.click_link(data=self.login_button)
else:
self.log(
f'__function__: No log on button {self.login_button=}',
level='DEBUG')
self.update_web()
except Exception as Error:
self.log(f"__function__: There was an {Error=}", level='ERROR')
self.screenshot(pic='error')
self.website_close()
#############
# FUNCTIONS #
#############
def change_website(self, url, target=None):
self.log(f'__function__: Getting website {url}', level='DEBUG')
self.check_driver()
try:
self.log(f'__function__:Trying {url}', level='DEBUG')
self.driver.get(url)
self.title = self.driver.title
except Exception as Error:
self.log(Error)
self.screenshot(pic='error')
if self.login_trigger:
if self.login_trigger in self.title:
self.log(
f"self.log(f'__function__:log in Triggered {self.login_trigger} is in {self.title}"
)
self.login()
else:
self.update_web()
else:
self.update_web()
def input_text(self, data):
self.log(f"__function__: Inputting Text: {data}", level='DEBUG')
element = self.get_element(**data)
if element:
self.log("__function__: Sending Keys", level='DEBUG')
element.send_keys(data['text_input'])
return element
self.log(f"__function__: Something went wrong {element=}",
level='ERROR')
self.screenshot(pic='error')
return None
def move_click(self, web_element):
self.log("__function__: Moving to Element to click", level='DEBUG')
ActionChains(
self.driver).move_to_element(web_element).click().perform()
def click_link(self, target=None, movement=None, data=None, **kwargs):
self.log(f"__function__: Clicking Link: {kwargs}", level='DEBUG')
if data:
web_element = self.get_element(clickalbe=True, **data)
else:
web_element = self.get_element(clickalbe=True, **kwargs)
# web_element.click()
# self.update_web(target=target)
if web_element:
self.log("__function__: Got Link", level='DEBUG')
try:
if movement:
self.log("__function__: Moving to Link", level='DEBUG')
ActionChains(self.driver).move_to_element(
web_element).click().perform()
else:
self.log("__function__: Clicking Link", level='DEBUG')
web_element.click()
except ElementClickInterceptedException as Error:
self.log(Error, level='ERROR')
try:
self.handle_popup(msg=Error.msg, web_element=web_element)
except Exception as Error:
self.log(Error, level='ERROR')
except Exception as Error:
self.log(f"Click failed {Error}", level='ERROR')
self.screenshot(pic='error')
self.update_web(target=target)
else:
self.log(f"__function__: Something went wrong {web_element=}")
return None
def run_java_script(self, java):
self.log(f"__function__: Running {java}", level='DEBUG')
try:
javascript = self.driver.execute_script(java)
except Exception as e:
self.log(e, level='ERROR')
self.screenshot(pic='error')
self.update_web()
return javascript
def get_table(self, header, body, table=None):
self.log(f"__function__: Getting {table=} {header=} {body=}",
level='DEBUG')
try:
if table:
all_table = self.get_element(**table)
table_header = all_table.find_element_by_tag_name(header)
table_body = all_table.find_element_by_tag_name(body)
return table_header, table_body
table_header = self.get_element(**header)
table_body = self.get_element(**body)
return table_header, table_body
except Exception as e:
self.log(e, level='ERROR')
self.screenshot(pic='error')
return None
def get_element(self, wait=10, clickalbe=False, **kwargs):
self.log(f"__function__: Getting element {kwargs}", level='DEBUG')
self.check_driver()
for key, value in kwargs.items():
self.log(f"__function__: Checking {value=} for {key=}",
level='DEBUG')
# search = key.upper()
if key in SEARCH_DICT:
if clickalbe is True:
try:
element = WebDriverWait(self.driver, wait).until(
EC.element_to_be_clickable(
(SEARCH_DICT[key], value)))
self.log(f"__function__: Returning {key} for {value}",
level='DEBUG')
return element
except Exception as Error:
self.log(f"__function__: {key} failed {Error=}",
level='ERROR')
self.screenshot(pic='error')
else:
try:
element = WebDriverWait(self.driver, wait).until(
EC.presence_of_element_located(
(SEARCH_DICT[key], value)))
self.log(f"__function__: Returning {key} for {value}",
level='DEBUG')
return element
except Exception as Error:
self.log(f"__function__: {key} failed {Error=}",
level='ERROR')
self.screenshot(pic='error')
else:
self.log(f'__function__: {key} is not retrievable',
level='DEBUG')
self.log('__function__: Something went wrong', level='ERROR')
def update_web(self, wait=None, target=None):
self.log('__function__: Updating Web Data', level='DEBUG')
if wait is not None:
self.log(f"__function__: waiting for {wait} seconds",
level='DEBUG')
time.sleep(wait)
elif self.wait is not None:
wait = randint(5, 10)
self.log(f"__function__: waiting for {wait} seconds",
level='DEBUG')
time.sleep(wait)
else:
self.log(f'__function_: {wait=}', level='DEBUG')
self.title = self.driver.title
self.website = self.driver.current_url
if target:
if target in self.title:
self.log(f"__function__: {target=} is in {self.title}",
level='DEBUG')
self.screenshot()
else:
self.screenshot(pic='error')
else:
self.screenshot()
self.log(f"__function__: {self.title=} at {self.website}",
level='DEBUG')
def website_close(self):
self.log("__function__: Closing Website", level='DEBUG')
if self.driver is not None:
self.log("__function__: Closing driver", level='DEBUG')
try:
self.driver.quit()
self.driver = None
self.title = None
self.website = None
self.log("__function__: driver closed", level='DEBUG')
except Exception as Error:
self.log(f'__function__: driver is {self.driver}{Error=}',
level='WARNING')
def screenshot(self, pic='name'):
self.log("__function__: Taking Picture", level='DEBUG')
now = dt.now().strftime("%d-%b-%Y (%H:%M:%S.%f)")
if pic == 'error':
self.log("__function__: Error Message", level='DEBUG')
file = f"/conf/screenshots/{now}_{self.scrap_app_name}_error_.png"
else:
file = f"/conf/screenshots/{self.scrap_app_name}.png"
try:
self.driver.save_screenshot(file)
self.log("__function__: Saved a Screen Shot", level='DEBUG')
except Exception as Error:
self.log(f"__function__: Failed to save a screenshot {Error=}",
level='WARNING')
def nap(self, duration='short'):
self.log("__function__: Starting", level='DEBUG')
if duration in ('m', 'micro', 'Micro'):
number = round(random.uniform(0.25, 1.00), 2)
elif duration in ('S', 'short', 'Short'):
number = round(random.uniform(1.00, 5.00), 2)
elif duration in ('M', 'medium', 'Medium'):
number = round(random.uniform(5.00, 10.00), 2)
elif duration in ('L', 'long', 'Long'):
number = round(random.uniform(10.00, 30.00), 2)
self.log(f"__function__: Napping for {number} seconds", level='DEBUG')
time.sleep(number)