def image_upload(request):
pass
"""
Upload an image
:param request: HttpRequest
:return: JsonResponse
"""
status, msg = False, "Invalid Request"
form = ImageUploadForm(request.POST, request.FILES)
if request.user.is_authenticated and form.is_valid():
t = Tools.handle_uploaded_file(request.FILES['file'],
form.extension)
if t[0]:
#delete profile pic if it exist
if form.category == "PI":
pi = Image_DB.objects.filter(username=form.username,
category=form.category)
i = Image_DB(username=form.username,
category=form.category,
url=t[1])
if Image.delete_image(pi.url, request, form.category):
i.save()
status, msg = True, "Success"
return JsonResponse({"status": status, "msg": msg})
def make_image(**kwargs):
user = create_user()
create_account(username=user.username, **kwargs)
with open('default.JPG', 'rb') as f:
file = File(f)
img = Image(image=file, user=user)
img.save()
return img
def test_save_image_without_pic():
image = Image(
title='my picture',
description='my description',
)
image.save()
assert image.title == 'my picture'
assert image.description == 'my description'
def create(self, validated_data):
user = None
request = self.context.get("request")
if request and hasattr(request, "user"):
user = request.user
image_instance = Image(**validated_data)
image_instance.user = user
image_instance.save()
return image_instance
def take_photo(photo_id, group, sample_id):
'''
Calls the Picam class to have the hardware take a picture.
Returns a Picture object
'''
camera = Picam()
file_path = camera.take_still(str(photo_id) + '.jpg')
image = Image(id=photo_id,
group=group,
sample_id=sample_id,
type=Image.PHOTO,
subject=group.subject,
file_path=file_path)
image.save()
return image
def take_photo(photo_id, group, sample_id):
'''
Calls the Picam class to have the hardware take a picture.
Returns a Picture object
'''
camera = Picam()
file_path = camera.take_still(str(photo_id) + '.jpg')
image = Image(id=photo_id,
group=group,
sample_id=sample_id,
type=Image.PHOTO,
subject=group.subject,
file_path=file_path)
image.save()
return image
def setUp(self):
self.user_data = {
"username": "******",
"first_name": "black",
"last_name": "panther",
}
user_instance = User(**self.user_data)
user_instance.set_password("gamora")
user_instance.save()
image_instance = Image()
image_instance.user = user_instance
image_instance.image = File(create_test_image())
image_instance.name = "test"
image_instance.color = "BLACK"
image_instance.save()
def image_upload(request):
if request.method != "POST":
return HttpResponse()
source = request.FILES.get('file')
if source != None:
source.name = ImageTool.get_new_random_file_name(source.name)
image = Image(
img=source
)
image.save()
return HttpResponse(json.dumps({
'success': True,
'path': image.img.url
}))
else:
return HttpResponse(json.dumps({
'success': False,
}))
def generate_chart(sample_id, image_id):
sample = get_object_or_404(Sample, id=sample_id)
readings = csv_string_to_int_list(sample.data)
the_title = 'Readings for ' + sample.reading_type + ' sample ' + str(sample_id)
if sample.description:
the_title += "\n" + sample.description
x = range(len(readings))
plt.bar(x, readings, 1, color='black')
plt.title(the_title)
plt.xlabel('wavelength (340 - 780nm)')
plt.ylabel('magnitude')
root_directory = '/home/pi/Pictures' # TODO move this into settings:IMAGE_SAVE_PATH
file_path = os.path.join(root_directory, (str(image_id) + '.png'))
image = Image(id=image_id,
group=sample.group,
sample_id=sample_id,
type=Image.BAR_CHART,
file_path=file_path)
image.save() # save the image record
plt.savefig(file_path) # save the actual file with the image
def generate_chart(sample_id, image_id):
sample = get_object_or_404(Sample, id=sample_id)
readings = csv_string_to_int_list(sample.data)
the_title = 'Readings for ' + sample.reading_type + ' sample ' + str(
sample_id)
if sample.description:
the_title += "\n" + sample.description
x = range(len(readings))
plt.bar(x, readings, 1, color='black')
plt.title(the_title)
plt.xlabel('wavelength (340 - 780nm)')
plt.ylabel('magnitude')
root_directory = '/home/pi/Pictures' # TODO move this into settings:IMAGE_SAVE_PATH
file_path = os.path.join(root_directory, (str(image_id) + '.png'))
image = Image(id=image_id,
group=sample.group,
sample_id=sample_id,
type=Image.BAR_CHART,
file_path=file_path)
image.save() # save the image record
plt.savefig(file_path) # save the actual file with the image
def setUp(self):
self.view = ImageViewSet.as_view()
self.factory = APIRequestFactory()
self.correct_data = {'uri': '/some/path/to/image.png'}
self.error_data = {'random': 'random^2'}
image = Image(uri='/some/path/to/Image1.png')
image.save()
image = Image(uri='/some/path/to/Image2.png')
image.save()
image = Image(uri='/some/path/to/Image3.png')
image.save()
def create(self, valideted_data):
img = Image()
img.image = valideted_data['image']
img.save()
return img
