Add licensing header to python scripts

Signed-off-by: Tomasz Michalak <tmichalak@antmicro.com>
Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>

prjxray/bitfilter.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 class Bitfilter(object):
     def __init__(
             self, frames_to_include=None, frames_to_exclude=[],

prjxray/bitsmaker.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 from prjxray import bitstream
 

prjxray/bitstream.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import json
 import os
 from prjxray import util

prjxray/connections.py

@@ -1,5 +1,15 @@
-from collections import namedtuple
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
+from collections import namedtuple
 WireInGrid = namedtuple('WireInGrid', 'tile grid_x grid_y wire')
 Connection = namedtuple('Connection', 'wire_a wire_b')
 

prjxray/db.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import os.path
 import simplejson as json
 from prjxray import grid

prjxray/fasm_assembler.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import fasm
 from prjxray import bitstream
 

prjxray/fasm_disassembler.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import re
 import fasm
 from prjxray import bitstream

prjxray/grid.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 from prjxray import segment_map
 from prjxray.grid_types import BlockType, GridLoc, GridInfo, BitAlias, Bits, BitsInfo, ClockRegion
 from prjxray.tile_segbits_alias import TileSegbitsAlias

prjxray/grid_types.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 from collections import namedtuple
 import enum
 

prjxray/lib.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import os.path
 import csv
 import pickle

prjxray/lms_solver.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 '''
 This script solves the fuzzing problem through least-mean-square solution of
 an overdetermined linear equation system.

prjxray/lut_maker.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 class LutMaker(object):
     def __init__(self):
         self.input_lut_idx = 0

prjxray/math_models.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 """ Math models are used to represent abstract operations for the timing models.
 This is useful for creating excel workbooks that can update dynamically, or
 generating a model with symbolic constants to be backsolved.

prjxray/node_lookup.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import sqlite3
 import progressbar
 import pyjson5 as json5

prjxray/roi.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 class Roi(object):
     """ Object that represents a Project X-ray ROI.
 

prjxray/segmaker.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 '''
 NOTE: "segments" as used in this file is mostly unrelated to tilegrid.json usage
 ie tilegrid.json has names like SEG_CLBLL_L_X2Y50 where as here they are tile based and named like seg_00400100_02

prjxray/segment_map.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 from intervaltree import IntervalTree, Interval
 from prjxray import bitstream
 

prjxray/site_type.py

@@ -1,5 +1,15 @@
-""" Description of a site type """
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
+""" Description of a site type """
 from collections import namedtuple
 import enum
 

prjxray/state_gen.py

@@ -1,5 +1,15 @@
-from prjxray import util
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
+from prjxray import util
 
 class StateGen(object):
     """ Manages fuzzer state generation across multiple sites.

prjxray/tile.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 """ Database files available for a tile type. """
 from collections import namedtuple
 import json

prjxray/tile_segbits.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 from collections import namedtuple
 from prjxray import bitstream
 from prjxray.grid import BlockType

prjxray/tile_segbits_alias.py

@@ -1,5 +1,15 @@
-""" TileSegbitsAlias provides an alias from one tile type to another.
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
+""" TileSegbitsAlias provides an alias from one tile type to another.
 TileSegbitsAlias performs severals functions to achieve the alias:
  - Remaps tile type from the original tile type to the alias tile type
  - Offsets the bits from the original to the alias type

prjxray/timing.py

@@ -1,5 +1,15 @@
-""" Route timing delay definitions.
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
+""" Route timing delay definitions.
 Routing delay is formed from two parts in this model:
 
 - Intristic delay of the element

prjxray/util.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import math
 import os
 import random

prjxray/verilog.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import sys
 import random
 import re

prjxray/xjson.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import io
 import json
 import re

third_party/yosys

@@ -1 +1 @@
-Subproject commit 721040df76c7095463ebf4f708f94bb236333f61
+Subproject commit 93ef516d919b40ace2099bc7586bfda8648f0757

utils/addrwidth.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 import json
 from prjxray import bitstream

utils/bit2fasm.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 '''
 Take bitstream .bit files and decode them to FASM.
 '''

utils/blockwidth.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 '''
 Prints minor address group sizes
 If any part of an IP block is written, Vivado likes to write the entire block

utils/checkdb.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 '''
 Check:
 -Individual files are valid

utils/clean_json5.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import pyjson5
 import simplejson
 import sys

utils/cleandb.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 import sys, re
 import os

utils/cmp.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 """
 Python 3 removed the 'cmp' function and raises a Type error when you try to
 compare different types. This module recreates Python 2 style 'cmp' function

utils/create_timing_worksheet_db.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 """ This takes a JSON file generated with write_timing_info.tcl and generates
 a spreadsheet with the prjxray timing model and compares it with the
 interconnect timing output from Vivado.

utils/dbfixup.py

@@ -1,4 +1,13 @@
-#/usr/bin/env python3
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 import sys, os, re
 import itertools

utils/diff_db_bits.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import argparse
 import subprocess
 import tempfile

utils/diff_db_json.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import argparse
 import subprocess
 import tempfile

utils/fasm2frames.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 from __future__ import print_function
 

utils/fasm2pips.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 """ Tool for generating Vivavo commands to highlight objects from a FASM file.
 
 Currently this tool only highlights pips directly referenced in the FASM file.

utils/fasm_pprint.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 '''
 Pretty print FASM.
 

utils/find_missing_segbits.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 """
 This script allows to find missing segbits in the database.
 

utils/group.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 """
 
 This script Reads tag group definition from a file and applies the tag grouping.

utils/groupmask.py

@@ -1,4 +1,13 @@
-#/usr/bin/env python3
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 import sys, os, re
 from prjxray import util

utils/info_md.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 import argparse
 import hashlib

utils/makesdf.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 import json
 import argparse

utils/maskview.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 """
 This tool allows to view segbits using a 2D frame vs. bit plot. It can read
 either mask.db files or segbits.db files. Multiple files can be read at once

utils/mergedb.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 import os, sys
 from prjxray import util

utils/parsedb.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 import sys, re
 from prjxray import util

utils/quick_test.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 from __future__ import print_function
 import prjxray.db
 import prjxray.util

utils/sdfmerge.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 import argparse
 import json

utils/segprint.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 '''
 Take raw .bits files and decode them to higher level functionality
 

utils/segview.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 '''
 This script allows to load a number of .db or .rdb files and display bits in
 a nice visualization.

utils/simpleroute.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 import sys, os, json
 import pickle

utils/sort_db.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 """
 Canonicalize the Project X-Ray database files by sorting. The aim is to reduce
 the diff output between runs to make it clearer what has changed.

utils/sp6_bitstream_analyzer.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 '''
 Spartan 6 bitstream analyzer tool.
 

utils/test_fasm2frames.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 # TODO: need better coverage for different tile types
 
 from io import StringIO

utils/tileconnloops.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 #
 # Produces a complete database of wires in the ROI and their connections and tests if each
 # routing node is a tree (i.e. fails with an error when a loop is found).

utils/tileconnwire.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 
 import os, sys, json
 

utils/tilegrid_report.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import argparse
 from prjxray.db import Database
 from prjxray.grid import BlockType

utils/verify_tile_connections.py

@@ -1,3 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 from __future__ import print_function
 import prjxray.db
 import prjxray.lib

utils/xjson.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import sys
 import json
 from prjxray.xjson import pprint

utils/xyaml.py

@@ -1,4 +1,13 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 import io
 import re
 import yaml