tiyn/stud.ip-crawler
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bugfixes: events without data-folder error

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If an event didn't have a folder for files it was erroring.
This is fixed now by adding try-except blocks.
This commit is contained in:
TiynGER 2020-11-11 16:47:47 +01:00
parent e8a0fe1000
commit 9a0dbc2feb
3 changed files with 26 additions and 13 deletions
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3
README.md
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@ -32,7 +32,8 @@ the last time running it.
### Errors and workarounds ### Errors and workarounds
- [ ] if filename is too long it currently gets skipped - [ ] If filename is too long it currently gets skipped
- [ ] Filenames get sometimes displayed wrong (probably utf8 problems)
## Installation ## Installation

8
src/crawler.py
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@ -40,7 +40,7 @@ class Crawler:
self.create_dir(subdir_path) self.create_dir(subdir_path)
os.chdir(subdir_path) os.chdir(subdir_path)
self.download_folder_rec(subdir, subdir_path) self.download_folder_rec(subdir, subdir_path)
log.info('Finished crawling folder ' + folder) log.info('finished crawling folder ' + folder)
def download_course(self, course, base_dir): def download_course(self, course, base_dir):
"""Download all documents in course. """Download all documents in course.
@ -55,7 +55,7 @@ class Crawler:
os.chdir(base_dir) os.chdir(base_dir)
root = self.studip.get_top_folder(course) root = self.studip.get_top_folder(course)
self.download_folder_rec(root, base_dir) self.download_folder_rec(root, base_dir)
log.info('Finished crawling course ' + course) log.info('finished crawling course ' + course)
def download_curr_courses(self, base_dir): def download_curr_courses(self, base_dir):
"""Download all documents of all current courses. """Download all documents of all current courses.
@ -74,7 +74,7 @@ class Crawler:
course_name = curr_courses[course].replace('/', '-') course_name = curr_courses[course].replace('/', '-')
path = os.path.join(base_dir, course_name) path = os.path.join(base_dir, course_name)
self.download_course(course, path) self.download_course(course, path)
log.info('Finished crawling all current courses') log.info('finished crawling all current courses')
def create_dir(self, dir): def create_dir(self, dir):
"""Creates a dir if it doesnt exist already. """Creates a dir if it doesnt exist already.
@ -83,5 +83,5 @@ class Crawler:
dir(string): directory path to create dir(string): directory path to create
""" """
if not os.path.exists(dir): if not os.path.exists(dir):
log.info('creating folder' + dir) log.info('creating folder ' + dir)
os.mkdir(dir) os.mkdir(dir)

28
src/studip.py
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@ -121,11 +121,17 @@ class Studip:
list(string): ids of the documents list(string): ids of the documents
""" """
rsp = self.auth_req('/api.php/folder/' + folder) rsp = self.auth_req('/api.php/folder/' + folder)
docs = rsp.json()['file_refs']
res_docs = [] res_docs = []
try:
docs = rsp.json()['file_refs']
except ValueError:
return res_docs
for doc in docs: for doc in docs:
doc_id = doc['id'] try:
res_docs.append(doc_id) doc_id = doc['id']
res_docs.append(doc_id)
except KeyError:
return res_docs
return(res_docs) return(res_docs)
def download(self, doc): def download(self, doc):
@ -161,11 +167,17 @@ class Studip:
Returns: Returns:
list(string): ids of the subdirectories list(string): ids of the subdirectories
""" """
rsp = self.auth_req('/api.php/folder/' + folder)
subdirs = rsp.json()['subfolders']
res_subdirs = {} res_subdirs = {}
rsp = self.auth_req('/api.php/folder/' + folder)
try:
subdirs = rsp.json()['subfolders']
except ValueError:
return res_docs
for subdir in subdirs: for subdir in subdirs:
sub_id = subdir['id'] try:
sub_name = subdir['name'] sub_id = subdir['id']
res_subdirs[sub_id] = sub_name sub_name = subdir['name']
res_subdirs[sub_id] = sub_name
except KeyError:
return res_subdirs
return res_subdirs return res_subdirs