def client_remove(request, client_id):
"""
remove a client
:param request: request object
:param client_id: client id
:return: json
"""
if request.method == 'GET':
client = Client.objects.get(id=client_id)
projects = Project.objects.filter(client=client)
try:
scrapyd = get_scrapyd(client)
# withdraw projects
for each in projects:
result = scrapyd.delete_project(project=each.name)
if not result:
return JsonResponse({'result': 0})
Spider.objects.filter(project=each).update(available=False)
except (ConnectionError, ReadTimeout):
return JsonResponse({'message': 'Connect Error'})
projects.update(client=None,
deployed_at=None,
deployed_version=None,
spider_amount=None)
# delete client
client.delete()
return JsonResponse({'result': 1})
def project_withdraw(request, project_name):
"""
withdraw project from client
:param request: request object
:param project_name: project name
:return: json
"""
if request.method == 'GET':
project = Project.objects.get(name=project_name)
# remove project from client
try:
scrapyd = get_scrapyd(project.client)
result = scrapyd.delete_project(project=project_name)
if not result:
return JsonResponse({'result': result})
except (ConnectionError, ReadTimeout):
return JsonResponse({'message': 'Connect Error'})
# alter project status
project.deployed_at = None
project.deployed_version = None
project.client.remove_spider(project.spider_amount)
project.client = None
project.spider_amount = None
project.save()
# invalidate spiders
Spider.objects.filter(project=project).update(available=False)
return JsonResponse({'result': result})
def job_log(request, spider_id, job_id):
"""
get log of jog
:param request: request object
:param spider_id: spider id
:param job_id: job id
:return: log of job
"""
if request.method == 'GET':
spider = Spider.objects.get(id=spider_id)
# get log url
client = spider.project.client
url = log_url(client.ip, client.port, spider.project.name, spider.name,
job_id)
try:
# get last 2000 bytes of log
response = requests.get(
url,
timeout=5,
headers={'Range': 'bytes=-2000'},
auth=(client.username,
client.password) if client.auth else None)
# Get encoding
encoding = response.apparent_encoding
# log not found
if response.status_code == 404:
return JsonResponse({'message': 'Log Not Found'}, status=404)
# bytes to string
text = response.content.decode(encoding, errors='replace')
return HttpResponse(text)
except (ConnectionError, ReadTimeout):
return JsonResponse({'message': 'Load Log Error'}, status=500)
def job_cancel(request, spider_id):
"""
cancel a job
:param request: request object
:param spider_id: spider id
:return: json of cancel
"""
if request.method == 'GET':
spider = Spider.objects.get(id=spider_id)
try:
scrapyd = get_scrapyd(spider.project.client)
result = scrapyd.cancel(spider.project.name, spider.current_job_id)
return JsonResponse(result)
except (ConnectionError, ReadTimeout):
return JsonResponse({'message': 'Connect Error'}, status=500)
def spider_status(request, spider_id):
"""
get job list of spider from one client
:param request: request object
:param spider_id: spider id
:return: list of jobs
"""
if request.method == 'GET':
spider = Spider.objects.get(id=spider_id)
scrapyd = get_scrapyd(spider.project.client)
try:
job_id = spider.current_job_id if spider.current_job_id else ''
result = scrapyd.job_status(spider.project.name, job_id)
return JsonResponse({'status': get_spider_status_index(result)})
except (ConnectionError, ReadTimeout):
return JsonResponse({'message': 'Connect Error'}, status=500)
def spider_monitor(request, spider_id):
"""
Statistics on the running status of spider within 30 days
:param request: request objectSerializer
:param spider_id: spider id
:return:
"""
if request.method == 'GET':
today = date.today()
records = [{
'run_date': (today - timedelta(days=day)).strftime("%m/%d"),
'page_ignore': 0,
'page_error': 0,
'item_scrape': 0,
'item_error': 0,
'run_times': 0
} for day in range(29, -1, -1)]
start_date_str = (today - timedelta(days=29)).strftime('%Y-%m-%d')
results = Record.objects.filter(
spider=spider_id,
run_date__gte=start_date_str).order_by('run_date')
for each in results:
records[29 - (today - each.run_date).days] = {
'run_date': each.run_date.strftime("%m/%d"),
'page_ignore': each.page_ignore_count,
'page_error': each.page_error_count,
'item_scrape': each.item_scrape_count,
'item_error': each.item_error_count,
'run_times': each.run_times
}
return JsonResponse(records)
def project_deploy(request, client_id, project_name):
"""
deploy project operation
:param request: request object
:param client_id: client id
:param project_name: project name
:return: json of deploy result
"""
if request.method == 'GET':
# get project folder
path = os.path.abspath(join(WORKPLACE, PROJECTS_DIR))
project_path = join(path, project_name)
# find egg file
egg = find_egg(project_path)
if not egg:
return JsonResponse({'message': 'egg not found'}, status=500)
egg_file = open(join(project_path, egg), 'rb')
# get client and project model
client = Client.objects.get(id=client_id)
project = Project.objects.get(name=project_name)
# execute deploy operation
scrapyd = get_scrapyd(client)
spider_amount = scrapyd.add_version(project_name, int(time.time()),
egg_file.read())
# update client info
if project.client:
client.remove_spider(project.spider_amount)
client.add_spider(spider_amount)
# update project info
project.client = client
project.deployed_version = project.uploaded_version
project.deployed_at = timezone.now()
project.spider_amount = spider_amount
project.save()
# update spider info
spiders = scrapyd.list_spiders(project_name)
Spider.objects.filter(project=project).exclude(
name__in=spiders).delete()
for each in spiders:
Spider.objects.update_or_create(name=each,
defaults={
'project': project,
'available': True
})
return JsonResponse(model_to_dict(project))
def spider_feedback(request, spider_name):
"""
get feedback from workerbee project
:param request: request object
:param spider_name: spider name
:return:
"""
if request.method == 'POST':
try:
spider = Spider.objects.get(name=spider_name)
except Spider.DoesNotExist:
logger.error("miss finding Spider %s" % spider_name)
return JsonResponse({}, status=500)
spider.available = bool(request.POST.get('error'))
spider.save()
if Record.objects.filter(spider=spider,
run_date=date.today()).exists():
Record.objects.update_or_create(
spider=spider,
run_date=date.today(),
defaults={
'page_ignore_count':
F('page_ignore_count') +
int(request.POST.get('pageIgnored')),
'page_error_count':
F('page_error_count') + int(request.POST.get('pageError')),
'item_scrape_count':
F('item_scrape_count') +
int(request.POST.get('itemScraped')),
'item_error_count':
F('item_error_count') + int(request.POST.get('itemError')),
'run_times':
F('run_times') + 1,
})
else:
Record.objects.create(
spider=spider,
run_date=date.today(),
page_ignore_count=int(request.POST.get('pageIgnored')),
page_error_count=int(request.POST.get('pageError')),
item_scrape_count=int(request.POST.get('itemScraped')),
item_error_count=int(request.POST.get('itemError')),
run_times=1)
return JsonResponse({'result': 1})
def client_create(request):
"""
create a client
:param request: request object
:return: json
"""
if request.method == 'POST':
data = json.loads(request.body)
client = Client.objects.create(**data)
return JsonResponse(model_to_dict(client))
def project_upload(request):
"""
upload project, create or update
:param request: request object
:return: json
"""
if request.method == 'POST':
file = request.FILES['file']
path = os.path.abspath(join(WORKPLACE, PROJECTS_DIR))
file_name = file.name
fs = FileSystemStorage(path)
zip_file_name = fs.save(file_name, file)
zip_file_path = join(path, zip_file_name)
# extract zip file and rm
with zipfile.ZipFile(zip_file_path, 'r') as zip_ref:
zip_ref.extractall(path)
os.remove(zip_file_path)
project_name = os.path.splitext(zip_file_name)[0]
if not os.path.isdir(os.path.join(path, project_name)):
return JsonResponse({'message': 'Project dir is not valid'},
status=500)
version_file_path = os.path.join(path, project_name, '__version__.py')
if not os.path.exists(version_file_path):
return JsonResponse({'message': 'No version file'}, status=500)
# get version and update
about = {}
with open(version_file_path) as f:
exec(f.read(), about)
Project.objects.update_or_create(name=project_name,
defaults={
'updated_at':
timezone.now(),
'uploaded_version':
about['__version__'],
'if_built':
False
})
return JsonResponse({'status': True})
def project_file_delete(request):
"""
delete project file
:param request: request object
:return: result of delete
"""
if request.method == 'POST':
data = json.loads(request.body)
path = join(data['path'], data['label'])
os.remove(path)
return JsonResponse({'result': 1})
def project_file_create(request):
"""
create project file
:param request: request object
:return: result of create
"""
if request.method == 'POST':
data = json.loads(request.body)
path = join(data['path'], data['name'])
open(path, 'w', encoding='utf-8').close()
return JsonResponse({'result': '1'})
def spider_update(request, spider_id):
"""
update spider info
:param request: request object
:param spider_id: spider id
:return: json
"""
if request.method == 'POST':
spider = Spider.objects.filter(id=spider_id)
data = json.loads(request.body)
spider.update(**data)
return JsonResponse(model_to_dict(spider[0]))
def project_file_rename(request):
"""
rename file name
:param request: request object
:return: result of rename
"""
if request.method == 'POST':
data = json.loads(request.body)
pre = join(data['path'], data['pre'])
new = join(data['path'], data['new'])
os.rename(pre, new)
return JsonResponse({'result': '1'})
def project_tree(request, project_name):
"""
get file tree of project
:param request: request object
:param project_name: project name
:return: json of tree
"""
if request.method == 'GET':
path = os.path.abspath(join(WORKPLACE, PROJECTS_DIR))
# get tree data
tree = get_tree(join(path, project_name))
return JsonResponse(tree)
def job_list(request, spider_id):
"""
get job list of spider from one client
:param request: request object
:param spider_id: spider id
:return: list of jobs
"""
if request.method == 'GET':
spider = Spider.objects.get(id=spider_id)
scrapyd = get_scrapyd(spider.project.client)
try:
result = scrapyd.list_jobs(spider.project.name)
jobs = []
statuses = ['pending', 'running', 'finished']
for status in statuses:
for job in result.get(status):
if job['spider'] == spider.name:
job['status'] = status
jobs.append(job)
return JsonResponse(jobs)
except (ConnectionError, ReadTimeout):
return JsonResponse({'message': 'Connect Error'}, status=500)
def client_update(request, client_id):
"""
update client info
:param request: request object
:param client_id: client id
:return: json
"""
if request.method == 'POST':
client = Client.objects.filter(id=client_id)
data = json.loads(request.body)
data['updated_at'] = timezone.now()
client.update(**data)
return JsonResponse(model_to_dict(client[0]))
def project_file_update(request):
"""
update project file
:param request: request object
:return: result of update
"""
if request.method == 'POST':
data = json.loads(request.body)
path = join(data['path'], data['label'])
code = data['code']
with open(path, 'w', encoding='utf-8') as f:
f.write(code)
return JsonResponse({'result': '1'})
def client_status(request, client_id):
"""
get client status
:param request: request object
:param client_id: client id
:return: json
"""
if request.method == 'GET':
client = Client.objects.get(id=client_id)
try:
requests.get(scrapyd_url(client.ip, client.port), timeout=1)
except (ConnectionError, ReadTimeout):
return HttpResponse(status=500)
return JsonResponse({'result': '1'})
def project_build(request, project_name):
"""
execute build operation
:param request: request object
:param project_name: project name
:return: json
"""
if request.method == 'GET':
# get project folder
path = os.path.abspath(join(WORKPLACE, PROJECTS_DIR))
project_path = join(path, project_name)
model = Project.objects.get(name=project_name)
# build
build_project(project_name, model.uploaded_version)
egg = find_egg(project_path)
if not egg:
return JsonResponse({'message': 'egg not found'}, status=500)
# update project info
model.if_built = True
model.egg = egg
model.save()
return JsonResponse(model_to_dict(model))
def spider_start(request, spider_id):
"""
start a spider
:param request: request object
:param spider_id: spider id
:return: json
"""
if request.method == 'GET':
spider = Spider.objects.get(id=spider_id)
scrapyd = get_scrapyd(spider.project.client)
job = scrapyd.schedule(spider.project.name, spider.name)
spider.current_job_id = job
spider.latest_run = timezone.now()
spider.save()
return JsonResponse({'job': job})
def render_html(request):
"""
render html with url
:param request:
:return:
"""
if request.method == 'GET':
url = request.GET.get('url')
url = unquote(base64.b64decode(url).decode('utf-8'))
try:
response = requests.get(url, timeout=5)
response.encoding = response.apparent_encoding
html = process_html(response.text, url)
return HttpResponse(html)
except Exception as e:
return JsonResponse({'message': e.args}, status=500)
def project_remove(request, project_name):
"""
remove project from disk and db
:param request: request object
:param project_name: project name
:return: result of remove
"""
if request.method == 'GET':
# get project path
path = os.path.abspath(join(WORKPLACE, PROJECTS_DIR))
project_path = join(path, project_name)
# delete project file tree
if exists(project_path):
rmtree(project_path)
Project.objects.get(name=project_name).delete()
return JsonResponse({'result': True})
def index_status(request):
"""
index statistics
:param request: request object
:return: json
"""
if request.method == 'GET':
clients = Client.objects.all()
data = {
'success': 0,
'error': 0,
'project': 0,
}
# clients info
for client in clients:
try:
requests.get(scrapyd_url(client.ip, client.port), timeout=1)
data['success'] += 1
except (ConnectionError, ReadTimeout):
data['error'] += 1
# projects info
data['project'] = Project.objects.count()
return JsonResponse(data)
