tiyn
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stud.ip-crawler
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Documentation: added docstrings

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master
TiynGER 4 years ago
parent a5d7b0304b
commit 6f9ef9bbd6
3 changed files with 123 additions and 0 deletions
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35
src/crawler.py
Unescape View File

@ -10,12 +10,26 @@ class Crawler:
self.studip = studip
def download_folder(self, folder):
"""
Download all documents in a folder.
Parameters:
folder(string): id of the folder to download
"""
docs = self.studip.get_docs(folder)
for doc in docs:
log.info('found doc ' + doc)
self.studip.download(doc)
def download_folder_rec(self, folder, base_dir):
"""
Download all documents in a folder and its subfolders.
This keeps the folder structure.
Parameters:
folder(string): id of the folder to download
base_dir(string): directory where to put the download
"""
log.info('crawling folder ' + folder)
self.create_dir(base_dir)
self.download_folder(folder)
@ -30,6 +44,14 @@ class Crawler:
self.download_folder_rec(subdir, subdir_path)
def download_course(self, course, base_dir):
"""
Download all documents in course.
This keeps the folder structure.
Parameters:
course(string): id of the course to download
base_dir(string): directory where to put the download
"""
log.info('crawling course ' + course)
self.create_dir(base_dir)
os.chdir(base_dir)
@ -37,6 +59,13 @@ class Crawler:
self.download_folder_rec(root, base_dir)
def download_curr_courses(self, base_dir):
"""
Download all documents of all current courses.
This keeps the folder structure.
Parameters:
base_dir(string): directory where to put the download
"""
log.info('Start crawling all current courses')
self.create_dir(base_dir)
curr_courses = self.studip.get_curr_courses(
@ -49,6 +78,12 @@ class Crawler:
self.download_course(course, path)
def create_dir(self, dir):
"""
Creates a dir if it doesnt exist already.
Parameters:
dir(string): directory path to create
"""
if not os.path.exists(dir):
log.info('creating folder' + dir)
os.mkdir(dir)

22
src/mysql.py
Unescape View File

@ -17,6 +17,9 @@ class Database:
self.setup_db()
def connect(self):
"""
Connect to an existing database instance based on the object attributes.
"""
return pymysql.connect(
host=self.HOST,
port=self.PORT,
@ -27,6 +30,9 @@ class Database:
)
def setup_db(self):
"""
Creates a database with tables.
"""
db = self.connect()
crs = db.cursor()
sql_query = "CREATE DATABASE IF NOT EXISTS " + self.NAME
@ -40,6 +46,13 @@ class Database:
log.debug(db)
def set_last_file_dl(self, file_id, time):
"""
Insert a downloaded file to the database.
Parameters:
file_id (string): id of the file downloaded
time(int): time the file was downloaded
"""
db = self.connect()
db.select_db(self.NAME)
crs = db.cursor()
@ -51,6 +64,15 @@ class Database:
db.commit()
def get_last_file_dl(self, file_id):
"""
Check when a file was downloaded.
Parameters:
file_id(string): id of the file to check
Returns:
int: time when the file was downloaded last. None if it wasnt downloaded.
"""
if self.RESET_DL:
return None
db = self.connect()

66
src/studip.py
Unescape View File

@ -15,15 +15,36 @@ class Studip:
self.db = db
def auth_req(self, url):
"""
Creates a request for a user.
Parameter:
url(string): URL to send the request to
Returns:
string: request
"""
url = self.DOMAIN + url
return req.get(url, auth=self.USER)
def get_uid(self):
"""
Get the user id of the user specified in the object.
Returns:
string: user id
"""
rsp = self.auth_req('/api.php/user/')
user_id = rsp.json()['user_id']
return user_id
def get_curr_semester(self):
"""
Get the current semester of the studip instance specified in the object.
Returns:
string: id for current semester
"""
rsp = self.auth_req('/api.php/semesters/')
curr_time = int(str(int(time.time())))
semesters = rsp.json()['collection']
@ -36,6 +57,12 @@ class Studip:
return 0
def get_ordered_semesters(self):
"""
Get the a list of semesters of studip instance specified in the object.
Returns:
list(string): all semesters of the user
"""
rsp = self.auth_req('/api.php/semesters/')
semesters = rsp.json()['collection']
order_sems = []
@ -44,6 +71,12 @@ class Studip:
return order_sems
def get_curr_courses(self, user_id, semester):
"""
Get the a list of semesters of studip instance specified in the object.
Returns:
string: id of the current semester
"""
rsp = self.auth_req('/api.php/user/' + user_id + '/courses')
ord_sems = self.get_ordered_semesters()
courses = rsp.json()['collection']
@ -69,12 +102,30 @@ class Studip:
return course_list
def get_top_folder(self, course):
"""
Retrieves the top folder id of a given course.
Parameters:
course (string): course to get the top folder of
Returns:
string: id of the top folder
"""
rsp = self.auth_req('/api.php/course/' + course + '/top_folder')
top_folder = rsp.json()
tf_id = top_folder['id']
return(tf_id)
def get_docs(self, folder):
"""
Get all the documents of a given folder.
Parameters:
folder(string): id of the folder to get documents of
Returns:
list(string): ids of the documents
"""
rsp = self.auth_req('/api.php/folder/' + folder)
docs = rsp.json()['file_refs']
res_docs = []
@ -84,6 +135,12 @@ class Studip:
return(res_docs)
def download(self, doc):
"""
Download a document.
Parameters:
doc (string): id of the document to download
"""
rsp1 = self.auth_req('/api.php/file/' + doc)
doc_name = rsp1.json()['name']
doc_chdate = rsp1.json()['chdate']
@ -100,6 +157,15 @@ class Studip:
self.db.set_last_file_dl(str(doc), str(int(time.time())))
def get_subdirs(self, folder):
"""
Get all the subdirectories of a given folder.
Parameters:
folder(string): id of the folder to get subdirectories of
Returns:
list(string): ids of the subdirectories
"""
rsp = self.auth_req('/api.php/folder/' + folder)
subdirs = rsp.json()['subfolders']
docs = rsp.json()['file_refs']

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