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Change how init works

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This commit is contained in:
Jason Paryani
2013-07-07 13:00:03 -07:00
parent 15b2106aa6
commit 59beea5108
2 changed files with 10 additions and 15 deletions
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6
capnp/capnp.pyx
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@@ -276,12 +276,6 @@ cdef class _DynamicStructBuilder:
return self return self
def __getattr__(self, field): def __getattr__(self, field):
if field.startswith('init'):
field_name = field[4].lower() + field[5:]
try:
self._has(field_name) # We don't need to test bool value here, since it will throw an exception if the field is non-existant
return lambda size: self.init(field_name, size)
except ValueError: pass
return toPython(self.thisptr.get(field)) return toPython(self.thisptr.get(field))
cdef _setattrInt(self, field, value): cdef _setattrInt(self, field, value):

19
examples/example.py
View File

@@ -5,17 +5,16 @@ import capnp
this_dir = os.path.dirname(__file__) this_dir = os.path.dirname(__file__)
addressbook = capnp.load(os.path.join(this_dir, 'addressbook.capnp')) addressbook = capnp.load(os.path.join(this_dir, 'addressbook.capnp'))
def writeAddressBook(fd): def writeAddressBook(fd):
message = capnp.MallocMessageBuilder() message = capnp.MallocMessageBuilder()
addressBook = message.initRoot(addressbook.AddressBook) addressBook = message.initRoot(addressbook.AddressBook)
people = addressBook.initPeople(2) people = addressBook.init('people', 2)
alice = people[0] alice = people[0]
alice.id = 123 alice.id = 123
alice.name = 'Alice' alice.name = 'Alice'
alice.email = 'alice@example.com' alice.email = 'alice@example.com'
alicePhones = alice.initPhones(1) alicePhones = alice.init('phones', 1)
alicePhones[0].number = "555-1212" alicePhones[0].number = "555-1212"
alicePhones[0].type = 'mobile' alicePhones[0].type = 'mobile'
alice.employment.school = "MIT" alice.employment.school = "MIT"
@@ -24,7 +23,7 @@ def writeAddressBook(fd):
bob.id = 456 bob.id = 456
bob.name = 'Bob' bob.name = 'Bob'
bob.email = 'bob@example.com' bob.email = 'bob@example.com'
bobPhones = bob.initPhones(2) bobPhones = bob.init('phones', 2)
bobPhones[0].number = "555-4567" bobPhones[0].number = "555-4567"
bobPhones[0].type = 'home' bobPhones[0].type = 'home'
bobPhones[1].number = "555-7654" bobPhones[1].number = "555-7654"
@@ -33,9 +32,6 @@ def writeAddressBook(fd):
capnp.writePackedMessageToFd(fd, message) capnp.writePackedMessageToFd(fd, message)
f = open('example', 'w')
writeAddressBook(f.fileno())
def printAddressBook(fd): def printAddressBook(fd):
message = capnp.PackedFdMessageReader(f.fileno()) message = capnp.PackedFdMessageReader(f.fileno())
@@ -59,5 +55,10 @@ def printAddressBook(fd):
print('self employed') print('self employed')
print() print()
f = open('example', 'r')
printAddressBook(f.fileno()) if __name__ == '__main__':
f = open('example', 'w')
writeAddressBook(f.fileno())
f = open('example', 'r')
printAddressBook(f.fileno())