Svgfig library update to version 1.0.1 as it uses BSD-3 license.

doc/pattern_tools/svgfig.py

@@ -1,20 +1,32 @@
-# svgfig.py copyright (C) 2008 Jim Pivarski <jpivarski@gmail.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
-#
-# Full licence is in the file COPYING and at http://www.gnu.org/copyleft/gpl.html
+# BSD 3-Clause License
+
+# Copyright (c) 2022, Jim Pivarski
+# All rights reserved.
+
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+
+# 1. Redistributions of source code must retain the above copyright notice, this
+#    list of conditions and the following disclaimer.
+
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+#    this list of conditions and the following disclaimer in the documentation
+#    and/or other materials provided with the distribution.
+
+# 3. Neither the name of the copyright holder nor the names of its
+#    contributors may be used to endorse or promote products derived from
+#    this software without specific prior written permission.
+
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 import re, codecs, os, platform, copy, itertools, math, cmath, random, sys, copy
 _epsilon = 1e-5
@@ -29,16 +41,24 @@ try:
 except NameError:
     unicode = lambda s: str(s)
 
-try:
-    xrange          # Python 2
-except NameError:
-    xrange = range  # Python 3
+if re.search("windows", platform.system(), re.I):
+    try:
+        import _winreg
+        _default_directory = _winreg.QueryValueEx(_winreg.OpenKey(_winreg.HKEY_CURRENT_USER,
+                             r"Software\Microsoft\Windows\Current Version\Explorer\Shell Folders"), "Desktop")[0]
+#   tmpdir = _winreg.QueryValueEx(_winreg.OpenKey(_winreg.HKEY_CURRENT_USER, "Environment"), "TEMP")[0]
+#   if tmpdir[0:13] != "%USERPROFILE%":
+#     tmpdir = os.path.expanduser("~") + tmpdir[13:]
+    except:
+        _default_directory = os.path.expanduser("~") + os.sep + "Desktop"
 
 _default_fileName = "tmp.svg"
 
 _hacks = {}
 _hacks["inkscape-text-vertical-shift"] = False
 
+__version__ = "1.0.1"
+
 
 def rgb(r, g, b, maximum=1.):
     """Create an SVG color string "#xxyyzz" from r, g, and b.
@@ -437,9 +457,12 @@ class SVG:
 
         return output
 
-    @staticmethod
-    def interpret_fileName(fileName=None):
-        return fileName or _default_fileName
+    def interpret_fileName(self, fileName=None):
+        if fileName is None:
+            fileName = _default_fileName
+        if re.search("windows", platform.system(), re.I) and not os.path.isabs(fileName):
+            fileName = _default_directory + os.sep + fileName
+        return fileName
 
     def save(self, fileName=None, encoding="utf-8", compresslevel=None):
         """Save to a file for viewing.  Note that svg.save() overwrites the file named _default_fileName.
@@ -591,7 +614,7 @@ def template(fileName, svg, replaceme="REPLACEME"):
 
 def load(fileName):
     """Loads an SVG image from a file."""
-    return load_stream(open(fileName))
+    return load_stream(file(fileName))
 
 def load_stream(stream):
     """Loads an SVG image from a stream (can be a string or a file object)."""
@@ -1848,7 +1871,7 @@ class Poly:
                                             piecewise-linear segments joining the (x,y) points
     "bezier"/"B"        d=[(x, y, c1x, c1y, c2x, c2y), ...]
                                             Bezier curve with two control points (control points
-                                            precede (x,y), as in SVG paths). If (c1x,c1y) and
+                                            preceed (x,y), as in SVG paths). If (c1x,c1y) and
                                             (c2x,c2y) both equal (x,y), you get a linear
                                             interpolation ("lines")
     "velocity"/"V"      d=[(x, y, vx, vy), ...]