photo-python/trovebox/objects.py
2013-07-19 17:46:30 +01:00

226 lines
7.6 KiB
Python

try:
from urllib.parse import quote # Python3
except ImportError:
from urllib import quote # Python2
from .errors import TroveboxError
class TroveboxObject:
""" Base object supporting the storage of custom fields as attributes """
def __init__(self, trovebox, json_dict):
self.id = None
self.name = None
self._trovebox = trovebox
self._json_dict = json_dict
self._set_fields(json_dict)
def _set_fields(self, json_dict):
""" Set this object's attributes specified in json_dict """
for key, value in json_dict.items():
if key.startswith("_"):
raise ValueError("Illegal attribute: %s" % key)
setattr(self, key, value)
def _replace_fields(self, json_dict):
"""
Delete this object's attributes, and replace with
those in json_dict.
"""
for key in self._json_dict.keys():
delattr(self, key)
self._json_dict = json_dict
self._set_fields(json_dict)
def _delete_fields(self):
"""
Delete this object's attributes, including name and id
"""
for key in self._json_dict.keys():
delattr(self, key)
self._json_dict = {}
self.id = None
self.name = None
def __repr__(self):
if self.name is not None:
return "<%s name='%s'>" % (self.__class__, self.name)
elif self.id is not None:
return "<%s id='%s'>" % (self.__class__, self.id)
else:
return "<%s>" % (self.__class__)
def get_fields(self):
""" Returns this object's attributes """
return self._json_dict
class Photo(TroveboxObject):
def delete(self, **kwds):
"""
Delete this photo.
Returns True if successful.
Raises an TroveboxError if not.
"""
result = self._trovebox.post("/photo/%s/delete.json" %
self.id, **kwds)["result"]
if not result:
raise TroveboxError("Delete response returned False")
self._delete_fields()
return result
def edit(self, **kwds):
""" Returns an HTML form to edit the photo """
result = self._trovebox.get("/photo/%s/edit.json" %
self.id, **kwds)["result"]
return result["markup"]
def replace(self, photo_file, **kwds):
raise NotImplementedError()
def replace_encoded(self, photo_file, **kwds):
raise NotImplementedError()
def update(self, **kwds):
""" Update this photo with the specified parameters """
new_dict = self._trovebox.post("/photo/%s/update.json" %
self.id, **kwds)["result"]
self._replace_fields(new_dict)
def view(self, **kwds):
"""
Used to view the photo at a particular size.
Updates the photo's fields with the response.
"""
new_dict = self._trovebox.get("/photo/%s/view.json" %
self.id, **kwds)["result"]
self._replace_fields(new_dict)
def dynamic_url(self, **kwds):
raise NotImplementedError()
def next_previous(self, **kwds):
"""
Returns a dict containing the next and previous photo lists
(there may be more than one next/previous photo returned).
"""
result = self._trovebox.get("/photo/%s/nextprevious.json" %
self.id, **kwds)["result"]
value = {}
if "next" in result:
# Workaround for APIv1
if not isinstance(result["next"], list):
result["next"] = [result["next"]]
value["next"] = []
for photo in result["next"]:
value["next"].append(Photo(self._trovebox, photo))
if "previous" in result:
# Workaround for APIv1
if not isinstance(result["previous"], list):
result["previous"] = [result["previous"]]
value["previous"] = []
for photo in result["previous"]:
value["previous"].append(Photo(self._trovebox, photo))
return value
def transform(self, **kwds):
"""
Performs transformation specified in **kwds
Example: transform(rotate=90)
"""
new_dict = self._trovebox.post("/photo/%s/transform.json" %
self.id, **kwds)["result"]
# APIv1 doesn't return the transformed photo (frontend issue #955)
if isinstance(new_dict, bool):
new_dict = self._trovebox.get("/photo/%s/view.json" %
self.id)["result"]
self._replace_fields(new_dict)
class Tag(TroveboxObject):
def delete(self, **kwds):
"""
Delete this tag.
Returns True if successful.
Raises an TroveboxError if not.
"""
result = self._trovebox.post("/tag/%s/delete.json" %
quote(self.id), **kwds)["result"]
if not result:
raise TroveboxError("Delete response returned False")
self._delete_fields()
return result
def update(self, **kwds):
""" Update this tag with the specified parameters """
new_dict = self._trovebox.post("/tag/%s/update.json" % quote(self.id),
**kwds)["result"]
self._replace_fields(new_dict)
class Album(TroveboxObject):
def __init__(self, trovebox, json_dict):
self.photos = None
self.cover = None
TroveboxObject.__init__(self, trovebox, json_dict)
self._update_fields_with_objects()
def _update_fields_with_objects(self):
""" Convert dict fields into objects, where appropriate """
# Update the cover with a photo object
if isinstance(self.cover, dict):
self.cover = Photo(self._trovebox, self.cover)
# Update the photo list with photo objects
if isinstance(self.photos, list):
for i, photo in enumerate(self.photos):
if isinstance(photo, dict):
self.photos[i] = Photo(self._trovebox, photo)
def delete(self, **kwds):
"""
Delete this album.
Returns True if successful.
Raises an TroveboxError if not.
"""
result = self._trovebox.post("/album/%s/delete.json" %
self.id, **kwds)["result"]
if not result:
raise TroveboxError("Delete response returned False")
self._delete_fields()
return result
def form(self, **kwds):
raise NotImplementedError()
def add_photos(self, photos, **kwds):
raise NotImplementedError()
def remove_photos(self, photos, **kwds):
raise NotImplementedError()
def update(self, **kwds):
""" Update this album with the specified parameters """
new_dict = self._trovebox.post("/album/%s/update.json" %
self.id, **kwds)["result"]
# APIv1 doesn't return the updated album (frontend issue #937)
if isinstance(new_dict, bool):
new_dict = self._trovebox.get("/album/%s/view.json" %
self.id)["result"]
self._replace_fields(new_dict)
self._update_fields_with_objects()
def view(self, **kwds):
"""
Requests the full contents of the album.
Updates the album's fields with the response.
"""
result = self._trovebox.get("/album/%s/view.json" %
self.id, **kwds)["result"]
self._replace_fields(result)
self._update_fields_with_objects()