--- a/env/lib/python3.7/site-packages/galaxy/util/checkers.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,192 +0,0 @@
-import gzip
-import re
-import sys
-import tarfile
-import zipfile
-
-from six import BytesIO
-from six.moves import filter
-
-from galaxy import util
-from galaxy.util.image_util import image_type
-
-if sys.version_info < (3, 3):
-    gzip.GzipFile.read1 = gzip.GzipFile.read  # workaround for https://bugs.python.org/issue12591
-    try:
-        import bz2file as bz2
-    except ImportError:
-        # If bz2file is unavailable, just fallback to not having pbzip2 support.
-        import bz2
-else:
-    import bz2
-
-HTML_CHECK_LINES = 100
-
-
-def check_html(file_path, chunk=None):
-    if chunk is None:
-        temp = open(file_path, mode='rb')
-    elif hasattr(chunk, "splitlines"):
-        temp = chunk.splitlines()
-    else:
-        temp = chunk
-    regexp1 = re.compile(r"<A\s+[^>]*HREF[^>]+>", re.I)
-    regexp2 = re.compile(r"<IFRAME[^>]*>", re.I)
-    regexp3 = re.compile(r"<FRAMESET[^>]*>", re.I)
-    regexp4 = re.compile(r"<META[\W][^>]*>", re.I)
-    regexp5 = re.compile(r"<SCRIPT[^>]*>", re.I)
-    lineno = 0
-    # TODO: Potentially reading huge lines into string here, this should be
-    # reworked.
-    for line in temp:
-        line = util.unicodify(line)
-        lineno += 1
-        matches = regexp1.search(line) or regexp2.search(line) or regexp3.search(line) or regexp4.search(line) or regexp5.search(line)
-        if matches:
-            if chunk is None:
-                temp.close()
-            return True
-        if HTML_CHECK_LINES and (lineno > HTML_CHECK_LINES):
-            break
-    if chunk is None:
-        temp.close()
-    return False
-
-
-def check_binary(name, file_path=True):
-    # Handles files if file_path is True or text if file_path is False
-    if file_path:
-        temp = open(name, "rb")
-    else:
-        temp = BytesIO(name)
-    try:
-        return util.is_binary(temp.read(1024))
-    finally:
-        temp.close()
-
-
-def check_gzip(file_path, check_content=True):
-    # This method returns a tuple of booleans representing ( is_gzipped, is_valid )
-    # Make sure we have a gzipped file
-    try:
-        with open(file_path, "rb") as temp:
-            magic_check = temp.read(2)
-        if magic_check != util.gzip_magic:
-            return (False, False)
-    except Exception:
-        return (False, False)
-    # We support some binary data types, so check if the compressed binary file is valid
-    # If the file is Bam, it should already have been detected as such, so we'll just check
-    # for sff format.
-    try:
-        with gzip.open(file_path, 'rb') as fh:
-            header = fh.read(4)
-        if header == b'.sff':
-            return (True, True)
-    except Exception:
-        return(False, False)
-
-    if not check_content:
-        return (True, True)
-
-    CHUNK_SIZE = 2 ** 15  # 32Kb
-    gzipped_file = gzip.GzipFile(file_path, mode='rb')
-    chunk = gzipped_file.read(CHUNK_SIZE)
-    gzipped_file.close()
-    # See if we have a compressed HTML file
-    if check_html(file_path, chunk=chunk):
-        return (True, False)
-    return (True, True)
-
-
-def check_bz2(file_path, check_content=True):
-    try:
-        with open(file_path, "rb") as temp:
-            magic_check = temp.read(3)
-        if magic_check != util.bz2_magic:
-            return (False, False)
-    except Exception:
-        return(False, False)
-
-    if not check_content:
-        return (True, True)
-
-    CHUNK_SIZE = 2 ** 15  # reKb
-    bzipped_file = bz2.BZ2File(file_path, mode='rb')
-    chunk = bzipped_file.read(CHUNK_SIZE)
-    bzipped_file.close()
-    # See if we have a compressed HTML file
-    if check_html(file_path, chunk=chunk):
-        return (True, False)
-    return (True, True)
-
-
-def check_zip(file_path, check_content=True, files=1):
-    if not zipfile.is_zipfile(file_path):
-        return (False, False)
-
-    if not check_content:
-        return (True, True)
-
-    CHUNK_SIZE = 2 ** 15  # 32Kb
-    chunk = None
-    for filect, member in enumerate(iter_zip(file_path)):
-        handle, name = member
-        chunk = handle.read(CHUNK_SIZE)
-        if chunk and check_html(file_path, chunk):
-            return (True, False)
-        if filect >= files:
-            break
-    return (True, True)
-
-
-def is_bz2(file_path):
-    is_bz2, is_valid = check_bz2(file_path, check_content=False)
-    return is_bz2
-
-
-def is_gzip(file_path):
-    is_gzipped, is_valid = check_gzip(file_path, check_content=False)
-    return is_gzipped
-
-
-def is_zip(file_path):
-    is_zipped, is_valid = check_zip(file_path, check_content=False)
-    return is_zipped
-
-
-def is_single_file_zip(file_path):
-    for i, member in enumerate(iter_zip(file_path)):
-        if i > 1:
-            return False
-    return True
-
-
-def is_tar(file_path):
-    return tarfile.is_tarfile(file_path)
-
-
-def iter_zip(file_path):
-    with zipfile.ZipFile(file_path) as z:
-        for f in filter(lambda x: not x.endswith('/'), z.namelist()):
-            yield (z.open(f), f)
-
-
-def check_image(file_path):
-    """ Simple wrapper around image_type to yield a True/False verdict """
-    if image_type(file_path):
-        return True
-    return False
-
-
-__all__ = (
-    'check_binary',
-    'check_bz2',
-    'check_gzip',
-    'check_html',
-    'check_image',
-    'check_zip',
-    'is_gzip',
-    'is_bz2',
-    'is_zip',
-)