Source code for fundamentals.download.append_now_datestamp_to_filename

#!/usr/local/bin/python
# encoding: utf-8
"""
*Append a datetime stamp to the end of a filename to ensure uniqueness*

Author
: David Young
"""

from builtins import str
import sys
import os

os.environ["TERM"] = "vt100"
from fundamentals import tools




def append_now_datestamp_to_filename(log, filename, longTime=False):
    """
    *append the current datestamp to the end of the filename (before the extension).*

    **Key Arguments**

    - ``log`` -- logger
    - ``filename`` -- the filename
    - ``longTime`` -- use a longer time-stmap. Default *False*

    Return:
        - ``dsFilename`` -- datestamped filename

    **Usage**

    ```python
    # APPEND TIMESTAMP TO THE FILENAME
    from fundamentals.download import append_now_datestamp_to_filename
    filename = append_now_datestamp_to_filename(
            log=log,
            filename="some_filename.html",
            longTime=True
    )

    # OUTPUT
    # 'some_filename_20160316t154123749472.html'
    ```
    """
    from fundamentals.download import get_now_datetime_filestamp

    try:
        # log.debug("appending date stamp to the filename : "+filename)
        sliced = filename.split(".")
        dsFilename = sliced[0] + "_" + get_now_datetime_filestamp(longTime=longTime)
        if len(sliced) == 2:
            dsFilename += "." + sliced[1]
        else:
            dsFilename += ".xhtml"
    except Exception as e:
        log.error(
            "could not append date stamp to the filename : "
            + filename
            + " : "
            + str(e)
            + "\n"
        )

    return dsFilename