metadata
license: creativeml-openrail-m
pipeline_tag: text-generation
library_name: transformers
language:
- en
base_model:
- meta-llama/Llama-3.2-3B-Instruct
tags:
- codepy
- safetensors
- llama
- ollama
- llama-cpp
- trl
Codepy 3B Deep Think Model File
| File Name | Size | Description | Upload Status |
|---|---|---|---|
.gitattributes |
1.57 kB | Git LFS configuration for large files. | Uploaded |
README.md |
221 Bytes | Basic repository information. | Updated |
config.json |
994 Bytes | Model configuration with architectural details. | Uploaded |
generation_config.json |
248 Bytes | Default generation parameters. | Uploaded |
pytorch_model-00001-of-00002.bin |
4.97 GB | Sharded PyTorch model weights (part 1 of 2). | Uploaded (LFS) |
pytorch_model-00002-of-00002.bin |
1.46 GB | Sharded PyTorch model weights (part 2 of 2). | Uploaded (LFS) |
pytorch_model.bin.index.json |
21.2 kB | Index file mapping model shards. | Uploaded |
special_tokens_map.json |
477 Bytes | Maps special tokens to their respective IDs. | Uploaded |
tokenizer.json |
17.2 MB | Full tokenizer vocabulary and merges. | Uploaded (LFS) |
tokenizer_config.json |
57.5 kB | Tokenizer configuration details. | Uploaded |
Sample Deepthink
>>> Develop a Python program to generate random passwords that consist of 8 characters. Not applicable
<|thinking|>
## Breaking down the problem
The user wants a Python program that generates random passwords of exactly 8 characters.
## Approach details
1. **Choose a secure character set:** We should only consider alphanumeric characters (a-z, A-Z, 0-9) and spaces
to ensure the password contains a mix of these.
2. **Use `random` library:** The `random` module will be used to generate random choices from our chosen character
set.
3. **Implement a loop:** A loop will be necessary to repeat the process until we have generated 8 characters.
## Code structure
The code will involve:
- Initializing variables: `length`, `characters`.
- Generating random characters and adding them to a string in the loop.
- Ensuring the password has at least one character from each required group (lowercase, uppercase, number, space).
- Printing or returning the generated password.
## Random Character Generation Logic
- For each position in the password:
- Select a random character from our chosen `characters` string.
- Add it to the current password string.
- Ensure at least one of each type (lowercase, uppercase, digit, space) is included.
## Error Handling
- The user might enter an invalid input. We should handle this gracefully and prompt them to enter valid input.
</|thinking|>
<|actual_response|>
```python
import random
def generate_password(length):
"""
Generates a random alphanumeric password of the specified length.
Ensures that at least one lowercase letter, one uppercase letter,
one digit, and one space are included in the password.
Args:
length: The number of characters in the password.
Returns:
A string representing the generated password or None if the input is invalid.
"""
# Define a set of alphanumeric characters with spaces
characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 '
# Validate the length
if length < 1:
return None
# Handle invalid length
if length > len(characters):
print("Invalid password length. It should be less than or equal to", len(characters))
return None
# Ensure at least one character from each required group (lowercase, uppercase, number, space)
required_characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 '
if length > 1:
password_length_without_requirements = length - 4
random_string = ''.join(random.choice(required_characters) for _ in range(password_length_without_requirements))
# Fill the rest of the password with random characters
remaining_chars_needed = length - len(random_string)
all_possible_chars = list(characters)
if length > 1:
random_character = random.choice('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 ')
else:
random_character = random.choice('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 ')
password = random_string + random_character * remaining_chars_needed
# Shuffle the password to avoid the first character always being from a specific group
password_list = list(password)
random.shuffle(password_list)
password = ''.join(password_list)
return password
# Example Usage:
password_length = 8
generated_password = generate_password(password_length)
if generated_password is not None:
print(f"Generated Password: {generated_password}")
else:
print("Failed to generate a password. Please ensure the length is valid (between 1 and",len(characters), ").")
```
## Explanation of the code:
**`generate_password(length)` function:**
* **Arguments:** `length`: The desired length of the password.
* **Return value**: A string representing the generated password, or `None` if the input is invalid.
**Character Set Definition:**
```python
characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 '
```
This line defines a string containing all alphanumeric characters (letters and numbers) plus spaces. The space character is included to ensure that
passwords can contain non-alphanumeric elements, as per your request.
**Length Validation:**
The code first checks if the `length` argument is less than 1:
```python
if length < 1:
return None
```
If it is, the function immediately returns `None`, indicating that the input was invalid. This ensures that passwords have a minimum length greater
than zero.
**Handling Invalid Length:**
Next, it checks if the requested password length exceeds the number of unique characters available in the `characters` string:
```python
if length > len(characters):
print("Invalid password length. It should be less than or equal to", len(characters))
return None
```
If the length is invalid (too long), it prints an error message explaining the issue and returns `None`.
**Generating a Random Password:**
1. **Initialization of Random String:** If the length is valid, we start by creating an empty string that will store our randomly generated password.
2. **Random Character Selection:**
* We first ensure that there's at least one character from each required group (lowercase, uppercase, digit, space) in the final password.
* For a 8-character password, we will always have 4 characters, so this part of the code is only executed when length is greater than or
equal to 4. Otherwise, it will randomly select all possible character and add them into `random_string`.
* We then generate an empty string called `random_string`. This will be used to store our random choices.
3. **Random Character Addition:**
* Then we fill the rest of the password with random characters from our character set.
* For each position in the password that is not yet filled (i.e., `password_length_without_requirements` positions), we randomly select a
character from `characters`.
* We add this character to the end of `random_string`.
4. **Shuffling:**
* Finally, we convert the `password` string into a list called `password_list`. This is done so that we can use Python's built-in `shuffle()`
function to randomly reorder the characters in the password.
* We then call `random.shuffle(password_list)`, which shuffles the elements of `password_list` in place. As a result, the first character of the
original string will no longer be guaranteed to be from any specific group.
**Returning the Password:**
The function finally returns the shuffled and randomized password as a string.
**Example Usage:**
```python
password_length = 8
generated_password = generate_password(password_length)
if generated_password is not None:
print(f"Generated Password: {generated_password}")
else:
print("Failed to generate a password. Please ensure the length is valid (between 1 and",len(characters), ").")
```
**Error Handling for Invalid Input:**
If `generate_password()` returns `None`, it means that the input was invalid.
The example usage then checks if the generated password is not `None`. If it's not `None`:
* It prints the generated password to the console.
* Otherwise, it prints an error message explaining why the password generation failed. In this case, the error is because the length of 8 is greater
than the number of possible unique characters available in the string.
**Security Considerations:**
1. **Password Length:** The code ensures that passwords are at least 4 characters long (2 for each character type + 2 for space).
2. **Character Diversity:** The use of alphanumeric characters (letters, numbers) and spaces provides a good balance between complexity and
memorability.
3. **Randomness:** The `random` module is used to generate truly random choices, making it more secure than deterministic methods.
**Advanced Security Considerations:**
1. **Passphrase Generation:** For even stronger passwords, you can consider using passphrase generation techniques that include multiple words or
phrases separated by spaces.
2. **Character Exclusion:** Depending on the specific security requirements, you might want to exclude certain characters from the character set
(e.g., no punctuation marks).
3. **Password Strength Metrics:** You could further enhance password strength by implementing additional checks, such as:
* Minimum number of uppercase letters
* Minimum number of lowercase letters
* Minimum number of digits
* Minimum number of spaces
* Presence of at least one character from each group
4. **Salted Hashing:** For truly secure password storage, consider using salted hashing algorithms like bcrypt or PBKDF2.
**When to Use This Approach:**
This `generate_password()` function is suitable for:
* Simple password generation needs.
* When the complexity requirements are moderate to high (alphanumeric + space characters).
**Potential Improvements:**
1. **More Advanced Random Number Generation:** If you need extremely secure randomness, consider using cryptographically secure pseudo-random number
generators (CSPRNGs) like `secrets` module in Python.
2. **Multicharacter Characters:** You could extend the character set to include other symbols (e.g., !@#$%^&*) if required.
3. **Password Policies:** Implement additional password policies, such as requiring a minimum of a certain number of uppercase letters, numbers, or
spaces.
**When not to use this approach:**
1. **High-Entropy Requirements:** For applications that require extremely high levels of randomness and entropy (e.g., cryptographic key generation),
the `secrets` module is generally recommended over the `random` module.
2. **Very Long Passwords:** If you need passwords longer than 8 characters, you should use a more sophisticated algorithm that can handle the
additional complexity, such as passphrase generation or a cryptographically secure password generator.
</|actual_response|>