Will look into this asap. Please open a ticket about it so that it is
tracked.
On Monday, 18 June 2012 14:40:30 UTC-5, Brandon Reynolds wrote:
>
> In a new record a thumbnail is correctly generated from photo. But if I
> didn't upload a photo or want to change the photo the thumbnail doesn't
> generate. So basically a new record works properly but when updating
> nothing in the thumbnail changes at all whether or not is currently has a
> photo in it.
>
> ____________________________________________________
> model:
>
> from image import THUMBER
> db.define_table('park',
> Field('photo1', 'upload'),
> Field('photo_thumb1', 'upload', readable=False, writable=False))
>
> db.park.photo_thumb1.compute = lambda row: THUMBER(row.photo1,
> "photo_thumb1", 144, 115)
>
> ____________________________________________________
> image.py:
>
> from gluon import current
>
> def THUMBER(image, db_photo_var, nx=120, ny=120, name='thumb'):
> if image:
> try:
> request = current.request
> from PIL import Image
> import os
> img = Image.open(request.folder + 'uploads/' + image)
> img.db_photo_var((nx, ny), Image.ANTIALIAS)
> root, ext = os.path.splitext(image)
> thumb = '%s_%s%s' % (root, name, ext)
> img.save(request.folder + 'uploads/' + thumb)
> return thumb
> except Exception:
> return image
>
>
>
> On Monday, June 18, 2012 1:17:07 PM UTC-6, Massimo Di Pierro wrote:
>>
>> Let me understand this better.
>>
>> on insert, the thumbnails are created.
>> on update, if you upload a new photo1 is photo_thing1 generated?
>>
>> Can you provide a simpler code to reproduce the problem with a just one
>> upload field and one thumbnail field?
>>
>> massimo
>>
>>
>>
>>
>> On Monday, 18 June 2012 11:24:05 UTC-5, Brandon Reynolds wrote:
>>>
>>> I have this problem when i try to generate thumbnails. If the field is
>>> empty it inserts the photo thumb into the thumbnail. But when i try to
>>> update that record the thumbnail doesn't change.
>>>
>>> Here is my model:
>>>
>>> # coding: utf8
>>> from image import THUMBER
>>>
>>> db.define_table('park',
>>> Field('park_name', requires=IS_NOT_EMPTY()),
>>> Field('park_city', requires=IS_NOT_EMPTY()),
>>> Field('park_state', requires=IS_NOT_EMPTY()),
>>> Field('park_address', requires=IS_NOT_EMPTY()),
>>> Field('park_zip', requires=IS_NOT_EMPTY()),
>>> Field('country', default="USA", notnull=True, readable=False,
>>> writable=False),
>>> Field('park_phone', requires=IS_MATCH('[\d\-\(\) ]+')),
>>> Field('park_fax', requires=IS_EMPTY_OR(IS_MATCH('[\d\-\(\) ]+'))),
>>> Field('park_phone_2', 'string', requires=IS_EMPTY_OR(IS_MATCH('[\d\-\(\)
>>> ]+'))),
>>> Field('photo1', 'upload'),
>>> Field('photo_thumb1', 'upload', readable=False, writable=False),
>>> Field('photo2', 'upload'),
>>> Field('photo_thumb2', 'upload', readable=False, writable=False),
>>> Field('photo3', 'upload'),
>>> Field('photo_thumb3', 'upload', readable=False, writable=False),
>>> Field('photo4', 'upload'),
>>> Field('photo_thumb4', 'upload', readable=False, writable=False),
>>> Field('photo5', 'upload'),
>>> Field('photo_thumb5', 'upload', readable=False, writable=False),
>>> Field('manager', requires=IS_NOT_EMPTY()),
>>> Field('manager_email', requires=IS_EMAIL()),
>>> Field('spaces', 'integer', requires=IS_NOT_EMPTY()),
>>> Field('vacant', 'integer'),
>>> Field('lot_rent', 'integer', requires=IS_NOT_EMPTY()),
>>> Field('water', 'boolean'),
>>> Field('sewer', 'boolean'),
>>> Field('trash', 'boolean'),
>>> Field('pool', 'boolean'),
>>> Field('playground', 'boolean'),
>>> Field('clubhouse', 'boolean'),
>>> Field('laundromat', 'boolean'),
>>> Field('rv_spaces', 'boolean'),
>>> Field('storage', 'boolean'),
>>> Field('handicap_accessible', 'boolean'),
>>> Field('community_description', 'text'),
>>> format='%(park_name)s')
>>>
>>> db.define_table('home',
>>> Field('pid', notnull=True, readable=False, writable=False),
>>> Field('lot'),
>>> Field('year', length=4, requires=IS_NOT_EMPTY()),
>>> Field('make'),
>>> Field('model'),
>>> Field('width', requires=IS_NOT_EMPTY()),
>>> Field('length', requires=IS_NOT_EMPTY()),
>>> Field('wide', requires=IS_NOT_EMPTY()),
>>> Field('for_sale', 'boolean', default=True),
>>> Field('beds', requires=IS_NOT_EMPTY()),
>>> Field('baths', requires=IS_NOT_EMPTY()),
>>> Field('fridge', 'boolean'),
>>> Field('stove', 'boolean'),
>>> Field('dishwasher', 'boolean'),
>>> Field('microwave', 'boolean'),
>>> Field('washer', 'boolean'),
>>> Field('dryer', 'boolean'),
>>> Field('photo1', 'upload'),
>>> Field('photo1_text'),
>>> Field('photo_thumb1', 'upload', readable=False, writable=False),
>>> Field('photo2', 'upload'),
>>> Field('photo2_text'),
>>> Field('photo_thumb2', 'upload', readable=False, writable=False),
>>> Field('photo3', 'upload'),
>>> Field('photo3_text'),
>>> Field('photo_thumb3', 'upload', readable=False, writable=False),
>>> Field('photo4', 'upload'),
>>> Field('photo4_text'),
>>> Field('photo_thumb4', 'upload', readable=False, writable=False),
>>> Field('photo5', 'upload'),
>>> Field('photo5_text'),
>>> Field('photo_thumb5', 'upload', readable=False, writable=False),
>>> Field('price',requires=IS_NOT_EMPTY()),
>>> Field('description', 'text', requires=IS_NOT_EMPTY()),
>>> Field('posted_on', 'datetime', readable=False, writable=False))
>>>
>>> db.define_table('state',
>>> Field('name'),
>>> Field('full_name'))
>>>
>>> db.define_table('wide',
>>> Field('type'),
>>> format='%(type)s')
>>>
>>>
>>> db.park.park_state.requires = IS_IN_DB(db, 'state.name', '%(full_name)s
>>> (%(name)s)', zero=T('Select State'))
>>> db.home.wide.requires = IS_IN_DB(db, 'wide.type', '%(type)s',
>>> zero=T('Select Home Type'))
>>>
>>> db.park.photo_thumb1.compute = lambda row: THUMBER(row.photo1,
>>> "photo_thumb1", 144, 115)
>>> db.park.photo_thumb2.compute = lambda row: THUMBER(row.photo2,
>>> "photo_thumb2", 144, 115)
>>> db.park.photo_thumb3.compute = lambda row: THUMBER(row.photo3,
>>> "photo_thumb3", 144, 115)
>>> db.park.photo_thumb4.compute = lambda row: THUMBER(row.photo4,
>>> "photo_thumb4", 144, 115)
>>> db.park.photo_thumb5.compute = lambda row: THUMBER(row.photo5,
>>> "photo_thumb5", 144, 115)
>>> db.home.photo_thumb1.compute = lambda row: THUMBER(row.photo1,
>>> "photo_thumb1", 144, 115)
>>> db.home.photo_thumb2.compute = lambda row: THUMBER(row.photo2,
>>> "photo_thumb2", 144, 115)
>>> db.home.photo_thumb3.compute = lambda row: THUMBER(row.photo3,
>>> "photo_thumb3", 144, 115)
>>> db.home.photo_thumb4.compute = lambda row: THUMBER(row.photo4,
>>> "photo_thumb4", 144, 115)
>>> db.home.photo_thumb5.compute = lambda row: THUMBER(row.photo5,
>>> "photo_thumb5", 144, 115)
>>>
>>>
>>> Here is my controller:
>>>
>>> def index():
>>> return locals()
>>>
>>> def parks():
>>> if request.args(0):
>>> parks =
>>> db(db.park.park_state==request.args(0)).select(orderby=db.park.park_city|db.park.park_name)
>>> else:
>>> parks =
>>> db(db.park).select(orderby=db.park.park_state|db.park.park_city|db.park.park_name)
>>> return locals()
>>>
>>> def park():
>>> park = db.park(request.args(0)) or redirect(URL('parks'))
>>> homes = db(db.home.pid==(request.args(0))).select(orderby=db.home.id
>>> )
>>> return locals()
>>>
>>> def home():
>>> home = db.home(request.args(0)) or redirect(URL('parks'))
>>> park = db.park(home.pid)
>>> return locals()
>>>
>>> def home_feed():
>>> home = db(db.home).select(orderby=db.home.id)
>>> return locals()
>>>
>>> @auth.requires_membership('Admin')
>>> def new_park():
>>> form = crud.create(db.park, next='park/[id]')
>>> return locals()
>>>
>>> @auth.requires_membership('Admin')
>>> def new_home():
>>> db.home.pid.default = request.args(0) or redirect(URL('parks'))
>>> db.home.price.default = "$0000.00"
>>> db.home.posted_on.default = request.now
>>> form = crud.create(db.home, next='home/[id]')
>>> return locals()
>>>
>>> @auth.requires_membership('Admin')
>>> def edit_park():
>>> park = db.park(request.args(0)) or redirect(URL('parks'))
>>> form = crud.update(db.park, park, next='park/[id]')
>>> return locals()
>>>
>>>
>>> @auth.requires_membership('Admin')
>>> def edit_home():
>>> home = db.home(request.args(0)) or redirect(URL('parks'))
>>> form = crud.update(db.home, home, next='home/[id]')
>>> return locals()
>>>
>>> def about_us():
>>> return locals()
>>>
>>> def employment_opportunities():
>>> return locals()
>>>
>>> def park_management():
>>> return locals()
>>>
>>> def make_park_thumbs():
>>> from image import THUMBER
>>> parks=db(db.park).select(orderby=db.park.park_state)
>>> for park in parks:
>>> park.update_record(photo_thumb1 = THUMBER(park.photo1, "photo_thumb1",
>>> 144, 115))
>>> park.update_record(photo_thumb2 = THUMBER(park.photo2, "photo_thumb2",
>>> 144, 115))
>>> park.update_record(photo_thumb3 = THUMBER(park.photo3, "photo_thumb3",
>>> 144, 115))
>>> park.update_record(photo_thumb4 = THUMBER(park.photo4, "photo_thumb4",
>>> 144, 115))
>>> park.update_record(photo_thumb5 = THUMBER(park.photo5, "photo_thumb5",
>>> 144, 115))
>>> db.commit()
>>>
>>>
>>> Here is the THUMBER function
>>> from gluon import current
>>>
>>> def THUMBER(image, db_photo_var, nx=120, ny=120, name='thumb'):
>>> if image:
>>> try:
>>> request = current.request
>>> from PIL import Image
>>> import os
>>> img = Image.open(request.folder + 'uploads/' + image)
>>> img.db_photo_var((nx, ny), Image.ANTIALIAS)
>>> root, ext = os.path.splitext(image)
>>> thumb = '%s_%s%s' % (root, name, ext)
>>> img.save(request.folder + 'uploads/' + thumb)
>>> return thumb
>>> except Exception:
>>> return image
>>>
>>>
>>> What should i do to get these working on update? At the bottom of the
>>> controller you will notice a the make_park_thumbs() function. That was one
>>> way of try to fix this and having it set to run on updates. However won't
>>> generate a thumbnail it just returns the original photo. This would work if
>>> you can tell why that function won't work. Let me know what to do.
>>>
>>> Braandon
>>>
>>
