async def make_a_snapshot(
file_name: str,
output_name: str,
delay: float = DEFAULT_DELAY,
pixel_ratio: int = DEFAULT_PIXEL_RATIO,
verbose: bool = True,
):
logger.VERBOSE = verbose
logger.info(MESSAGE_GENERATING)
file_type = output_name.split(".")[-1]
content = await async_make_snapshot(file_name, file_type, pixel_ratio,
delay)
if file_type in [SVG_FORMAT, B64_FORMAT]:
save_as_text(content, output_name)
else:
# pdf, gif, png, jpeg
content_array = content.split(",")
if len(content_array) != 2:
raise OSError(content_array)
base64_imagedata = content_array[1]
imagedata = decode_base64(base64_imagedata)
if file_type in [PDF_FORMAT, GIF_FORMAT, EPS_FORMAT]:
save_as(imagedata, output_name, file_type)
elif file_type in [PNG_FORMAT, JPG_FORMAT]:
save_as_png(imagedata, output_name)
else:
pass
if "/" not in output_name:
output_name = os.path.join(os.getcwd(), output_name)
logger.info(MESSAGE_FILE_SAVED_AS % output_name)
def chk_phantomjs():
try:
phantomjs_version = subprocess.check_output(
[PHANTOMJS_EXEC, '--version'], shell=get_shell_flag())
phantomjs_version = phantomjs_version.decode('utf-8')
logger.info(MESSAGE_PHANTOMJS_VERSION % phantomjs_version)
except Exception:
logger.warn(MESSAGE_NO_PHANTOMJS)
sys.exit(1)
def make_a_snapshot(
file_name,
output_name,
delay=DEFAULT_DELAY,
pixel_ratio=DEFAULT_PIXEL_RATIO,
verbose=True,
):
chk_phantomjs()
logger.VERBOSE = verbose
logger.info(MESSAGE_GENERATING)
file_type = output_name.split(".")[-1]
__actual_delay_in_ms = int(delay * 1000)
# add shell=True and it works on Windows now.
proc_params = [
PHANTOMJS_EXEC,
os.path.join(get_resource_dir("phantomjs"), "snapshot.js"),
to_file_uri(file_name),
file_type,
str(__actual_delay_in_ms),
str(pixel_ratio),
]
proc = subprocess.Popen(
proc_params,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=get_shell_flag(),
)
if PY2:
content = proc.stdout.read()
content = content.decode("utf-8")
else:
content = io.TextIOWrapper(proc.stdout, encoding="utf-8").read()
if file_type == SVG_FORMAT:
save_as_svg(content, output_name)
else:
# pdf, gif, png, jpeg
content_array = content.split(",")
if len(content_array) != 2:
raise OSError(content_array)
base64_imagedata = content_array[1]
imagedata = decode_base64(base64_imagedata)
if file_type in [PDF_FORMAT, GIF_FORMAT]:
save_as(imagedata, output_name, file_type)
elif file_type in [PNG_FORMAT, JPG_FORMAT]:
save_as_png(imagedata, output_name)
else:
raise TypeError(NOT_SUPPORTED_FILE_TYPE.format(file_type))
if "/" not in output_name:
output_name = os.path.join(os.getcwd(), output_name)
logger.info(MESSAGE_FILE_SAVED_AS % output_name)
def show_help():
logger.info(HELP_TEXT)
exit(0)