sc_exceptions.py

class SCError(Exception):
    pass

class EntityTooLarge(SCError):
    """Raised when submitted file is too large"""

    def __str__(self):
        return "The submitted file was too large (max 15MB)"

class InvalidDCAppLink(SCError):
    """Raised when an invalid Dreamcatcher app link is submitted"""

    def __str__(self):
        return "Invalid Dreamcatcher app url"

class FullSizeDCAppImage(SCError):
    """Raised when a direct link to a Dreamcatcher app image is already full size"""

    def __str__(self):
        return "Invalid Dreamcatcher app url, or the image is already full size"

class NoMatchesFound(SCError):
    """Raised when no matching images are found"""

    def __str__(self):
        return "No matches found. Possible reasons:"

    def reasons(self):
        reasons = [
                "The image was heavily altered or cropped",
                "Twitter is not the source of this image",
                "Sourcecatcher is not following the source Twitter user",
                ]
        return reasons

class InvalidLink(SCError):
    """Raised when an invalid link is used"""

    def __str__(self):
        return "Could not find any data at this link"

class InvalidImage(SCError):
    """Raised when an image cannot be opened"""

    def __str__(self):
        return "Could not open image (is it actually an image?)"

class DCAppError(SCError):

    def __init__(self, reason):
        self.reason = reason

    def __str__(self):
        return f"Could not connect to DC app website ({self.reason})"

class TWError(SCError):

    def __init__(self, message, user=None, tweet_id=None):
        self.message = message
        self.link = None
        if user is not None and tweet_id is not None:
            self.link = f"https://twitter.com/{user}/status/{tweet_id}"

    def __str__(self):
        return f"A matching image was found but the tweet no longer exists ({self.message})"

class TWRateError(SCError):

    def __str__(self):
        return "Sourcecatcher reached the Twitter API rate limit, try again later"

class VideoDownloadError(SCError):

    def __str__():
        return "Could not download file"

class AnimatedGIFError(SCError):

    def __str__(self):
        return "Searching animated GIFs is not supported"