### Install timebutler-client

Source: https://pypi.org/project/timebutler-client

Install the package via pip.

```bash
pip install timebutler-client
```

--------------------------------

### Initialize and Test Development Environment

Source: https://pypi.org/project/timebutler-client

Commands to set up the development environment and execute standard quality assurance tasks like testing, linting, and type checking.

```bash
# Create dev environment
tox -e dev

# Run tests
tox -e tests

# Run linting
tox -e linting

# Run type checking
tox -e type_check
```

--------------------------------

### Initialize and fetch absences

Source: https://pypi.org/project/timebutler-client

Create a client instance using an API key and retrieve absence data for a specific year.

```python
from timebutler_client import TimebutlerClient

# Create client with your API key
client = TimebutlerClient(api_key="your-api-key")

# Fetch absences for a specific year
absences = await client.get_absences(year=2026)

for absence in absences:
    print(f"{absence.employee_number}: {absence.from_date} - {absence.to_date} ({absence.absence_type})")
```

--------------------------------

### get_services()

Source: https://pypi.org/project/timebutler-client

Retrieves a list of all services defined in the system.

```APIDOC
## get_services()

### Description
Fetch all services.
```

--------------------------------

### get_projects()

Source: https://pypi.org/project/timebutler-client

Retrieves a list of all projects defined in the system.

```APIDOC
## get_projects()

### Description
Fetch all projects.
```

--------------------------------

### get_users()

Source: https://pypi.org/project/timebutler-client

Retrieves a list of all users registered in the system.

```APIDOC
## get_users()

### Description
Fetch all users.
```

--------------------------------

### Track time by project

Source: https://pypi.org/project/timebutler-client

Aggregate worktime entries by project name using the client's project and worktime endpoints.

```python
from timebutler_client import TimebutlerClient

client = TimebutlerClient(api_key="your-api-key")

# Get all projects and worktime entries
projects = await client.get_projects()
worktime = await client.get_worktime(year=2026, month=1)

# Build a project name lookup
project_names = {p.id: p.name_stripped for p in projects}

# Sum hours by project
for entry in worktime:
    if entry.has_project:
        project_name = project_names.get(entry.project_id, "Unknown")
        print(f"{entry.date}: {entry.duration} on {project_name}")
```

--------------------------------

### get_worktime(year, month, user_id)

Source: https://pypi.org/project/timebutler-client

Fetches worktime entries with optional filtering by year, month, or specific user ID.

```APIDOC
## get_worktime(year?, month?, user_id?)

### Description
Fetch worktime entries with optional filters.

### Parameters
- **year** (int) - Optional - Filter by year.
- **month** (int) - Optional - Filter by month.
- **user_id** (str/int) - Optional - Filter by user ID.
```

--------------------------------

### get_workdays()

Source: https://pypi.org/project/timebutler-client

Fetches workday schedules for all users, filtering out employees with invalid or missing employee numbers.

```APIDOC
## get_workdays()

### Description
Fetch workday schedules for all users. Returns a WorkdaysResult containing schedules and a list of invalid_employees.
```

--------------------------------

### get_absences(year)

Source: https://pypi.org/project/timebutler-client

Fetches all absence records for a specified year.

```APIDOC
## get_absences(year)

### Description
Fetches absences for a given year.

### Parameters
- **year** (int) - Required - The year for which to fetch absence data.
```

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