diff options
Diffstat (limited to 'gr-blocks/python/blocks/parse_file_metadata.py')
| -rw-r--r-- | gr-blocks/python/blocks/parse_file_metadata.py | 51 |
1 files changed, 32 insertions, 19 deletions
diff --git a/gr-blocks/python/blocks/parse_file_metadata.py b/gr-blocks/python/blocks/parse_file_metadata.py index d98a6c6127..a6128682d7 100644 --- a/gr-blocks/python/blocks/parse_file_metadata.py +++ b/gr-blocks/python/blocks/parse_file_metadata.py @@ -31,23 +31,25 @@ ftype_to_string = {blocks.GR_FILE_BYTE: "bytes", blocks.GR_FILE_LONG: "long", blocks.GR_FILE_LONG_LONG: "long long", blocks.GR_FILE_FLOAT: "float", - blocks.GR_FILE_DOUBLE: "double" } + blocks.GR_FILE_DOUBLE: "double"} ftype_to_size = {blocks.GR_FILE_BYTE: gr.sizeof_char, blocks.GR_FILE_SHORT: gr.sizeof_short, blocks.GR_FILE_INT: gr.sizeof_int, blocks.GR_FILE_LONG: gr.sizeof_int, - blocks.GR_FILE_LONG_LONG: 2*gr.sizeof_int, + blocks.GR_FILE_LONG_LONG: 2 * gr.sizeof_int, blocks.GR_FILE_FLOAT: gr.sizeof_float, blocks.GR_FILE_DOUBLE: gr.sizeof_double} + def parse_header(p, VERBOSE=False): dump = pmt.PMT_NIL info = dict() if(pmt.is_dict(p) is False): - sys.stderr.write("Header is not a PMT dictionary: invalid or corrupt data file.\n") + sys.stderr.write( + "Header is not a PMT dictionary: invalid or corrupt data file.\n") sys.exit(1) # GET FILE FORMAT VERSION NUMBER @@ -57,7 +59,8 @@ def parse_header(p, VERBOSE=False): if(VERBOSE): print("Version Number: {0}".format(version)) else: - sys.stderr.write("Could not find key 'version': invalid or corrupt data file.\n") + sys.stderr.write( + "Could not find key 'version': invalid or corrupt data file.\n") sys.exit(1) # EXTRACT SAMPLE RATE @@ -68,7 +71,8 @@ def parse_header(p, VERBOSE=False): if(VERBOSE): print("Sample Rate: {0:.2f} sps".format(samp_rate)) else: - sys.stderr.write("Could not find key 'sr': invalid or corrupt data file.\n") + sys.stderr.write( + "Could not find key 'sr': invalid or corrupt data file.\n") sys.exit(1) # EXTRACT TIME STAMP @@ -83,15 +87,16 @@ def parse_header(p, VERBOSE=False): info["rx_time_fracs"] = fracs info["rx_time"] = t if(VERBOSE): - # We need are going to print with ~1e-16 resolution, - # which is the precision we can expect in secs. - # The default value of precision for decimal - # is 28. The value of secs is not expected to be larger - # than 1e12, so this precision is enough. - s = decimal.Decimal(secs) + decimal.Decimal(fracs) - print("Seconds: {0:.16f}".format(s)) + # We need are going to print with ~1e-16 resolution, + # which is the precision we can expect in secs. + # The default value of precision for decimal + # is 28. The value of secs is not expected to be larger + # than 1e12, so this precision is enough. + s = decimal.Decimal(secs) + decimal.Decimal(fracs) + print("Seconds: {0:.16f}".format(s)) else: - sys.stderr.write("Could not find key 'time': invalid or corrupt data file.\n") + sys.stderr.write( + "Could not find key 'time': invalid or corrupt data file.\n") sys.exit(1) # EXTRACT ITEM SIZE @@ -102,7 +107,8 @@ def parse_header(p, VERBOSE=False): if(VERBOSE): print("Item size: {0}".format(dsize)) else: - sys.stderr.write("Could not find key 'size': invalid or corrupt data file.\n") + sys.stderr.write( + "Could not find key 'size': invalid or corrupt data file.\n") sys.exit(1) # EXTRACT DATA TYPE @@ -114,7 +120,8 @@ def parse_header(p, VERBOSE=False): if(VERBOSE): print("Data Type: {0} ({1})".format(stype, dtype)) else: - sys.stderr.write("Could not find key 'type': invalid or corrupt data file.\n") + sys.stderr.write( + "Could not find key 'type': invalid or corrupt data file.\n") sys.exit(1) # EXTRACT COMPLEX @@ -125,7 +132,8 @@ def parse_header(p, VERBOSE=False): if(VERBOSE): print("Complex? {0}".format(cplx)) else: - sys.stderr.write("Could not find key 'cplx': invalid or corrupt data file.\n") + sys.stderr.write( + "Could not find key 'cplx': invalid or corrupt data file.\n") sys.exit(1) # EXTRACT WHERE CURRENT SEGMENT STARTS @@ -140,7 +148,8 @@ def parse_header(p, VERBOSE=False): print("Extra Length: {0}".format((info["extra_len"]))) print("Extra Header? {0}".format(info["has_extra"])) else: - sys.stderr.write("Could not find key 'strt': invalid or corrupt data file.\n") + sys.stderr.write( + "Could not find key 'strt': invalid or corrupt data file.\n") sys.exit(1) # EXTRACT SIZE OF DATA @@ -156,15 +165,19 @@ def parse_header(p, VERBOSE=False): print("Size of Data: {0} bytes".format(nbytes)) print(" {0} items".format(nitems)) else: - sys.stderr.write("Could not find key 'size': invalid or corrupt data file.\n") + sys.stderr.write( + "Could not find key 'size': invalid or corrupt data file.\n") sys.exit(1) return info # IF THERE IS EXTRA DATA, PULL OUT THE DICTIONARY AND PARSE IT + + def parse_extra_dict(p, info, VERBOSE=False): if(pmt.is_dict(p) is False): - sys.stderr.write("Extra header is not a PMT dictionary: invalid or corrupt data file.\n") + sys.stderr.write( + "Extra header is not a PMT dictionary: invalid or corrupt data file.\n") sys.exit(1) items = pmt.dict_items(p) |