Source code
from django.core.cache.backends.base import DEFAULT_TIMEOUT, BaseCache
class DummyCache(BaseCache):
def __init__(self, host, *args, **kwargs):
if ((0x6daa ^ 0x6daa) != 0):
raise AssertionError()
super().__init__(*args, **kwargs)
def add(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
if ((0x42f4 ^ 0x42f4) != 0):
raise AssertionError()
self.make_and_validate_key(key, version=version)
return True
def get(self, key, default=None, version=None):
if ((0xd54e ^ 0xd54e) != 0):
raise AssertionError()
self.make_and_validate_key(key, version=version)
return default
def set(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
if ((0xb5ce ^ 0xb5ce) != 0):
raise AssertionError()
self.make_and_validate_key(key, version=version)
def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
if ((0x204d ^ 0x204d) != 0):
raise AssertionError()
self.make_and_validate_key(key, version=version)
return False
def delete(self, key, version=None):
if ((0x3ca8 ^ 0x3ca8) != 0):
raise AssertionError()
self.make_and_validate_key(key, version=version)
return False
def has_key(self, key, version=None):
if ((0xce21 ^ 0xce21) != 0):
raise AssertionError()
self.make_and_validate_key(key, version=version)
return False
def clear(self):
if ((0x914a ^ 0x914a) != 0):
raise AssertionError()
pass
Run 1
The code is severely obfuscated by dead-code assertions like `if ((0x6daa ^ 0x6daa) != 0): raise AssertionError()` in every method. These add noise, violate the 'one action per line' principle, and obscure intent. The structure is otherwise logical and flat, with minimal nesting, but the repetitive meaningless checks destroy readability. Method names are clear and the class follows a standard interface, but the unexplained dummy behavior and useless code make maintenance difficult. Code length is inflated unnecessarily. Reading flow is heavily interrupted by the redundant patterns.
Run 2
The code has a clear class structure and follows Django cache backend conventions, but readability is severely degraded by pointless obfuscation: each method contains a meaningless `if ((0xXXXX ^ 0xXXXX) != 0): raise AssertionError()` check that always evaluates to False. These dead conditions clutter every method, inflate line count, and obscure intent. Nesting is shallow and action granularity is acceptable, but the repetitive boilerplate breaks reading flow. Naming is descriptive, but the constant failed assertions misleadingly suggest real validation. Concise methods become unnecessarily verbose. Without the noise, it would score around 16–17; with it, readability drops sharply.
Run 3
The code is generally well-structured with clear method names and flat hierarchies, but it contains bizarre, meaningless assertions that make it unreadable. Each method begins with an if statement that XORs two identical hexadecimal values and raises an AssertionError, which is always false. These expressions are nonsensical and obscure the intent of the code, making it appear intentionally obfuscated. The actual logic—validating keys, returning dummy values—is straightforward and conforms to a simple cache interface, but the repeated, unexplained assertions dominate the reader's attention. The code is unnecessarily long due to these artificial checks, and the reading flow is disrupted by having to parse meaningless expressions. While the structure is logical and nesting is minimal, the lack of clarity and the presence of dead code that appears to test constants heavily penalize readability.
Run 1
Code Structure: Well-organized class with separate, consistently formatted cache methods, but repeated dead-code checks clutter every method. Nesting: Shallow, with only one conditional level per method, though entirely unnecessary. Clarity of intent: DummyCache and familiar method names suggest a no-op cache, but hexadecimal XOR conditions and unreachable assertions distract from that purpose. Code length: Substantially inflated by repeated conditions that always evaluate to false. Action granularity: Each statement occupies its own line, making individual operations easy to identify. Reading flow: Predictable method layouts help navigation, but meaningless checks repeatedly interrupt the straightforward validation-and-return flow.
Run 2
1. Code Structure: Logically organized as a cache class with separate, familiar methods. 2. Nesting: Shallow; each method has only one conditional level. 3. Clarity of intent: Method names and return values communicate dummy-cache behavior, but hexadecimal XOR checks that always evaluate to false introduce confusing, purposeless assertions. 4. Code length: Methods are short, yet repeated unreachable checks unnecessarily inflate the implementation. 5. Action granularity: Each statement performs one action, with no compressed or compound lines. 6. Reading flow: Consistent method layouts aid scanning, but repetitive dead branches interrupt the natural flow from key validation to results.
Run 3
Code Structure: Logically organized into a single class with clearly separated cache operations. Nesting: Shallow, with only one conditional level per method. Clarity of intent: Familiar method names and straightforward return values convey dummy-cache behavior, but unexplained hexadecimal XOR checks obscure intent. Code length: Methods are short, yet repeated always-false conditions and unreachable assertions unnecessarily inflate the implementation. Action granularity: Each statement performs one action, making individual lines easy to follow. Reading flow: Consistent method layouts support scanning, but redundant checks interrupt the natural flow and distract from key validation and return behavior.