tools: Add svglib to view svg files.

README.md

@@ -23,7 +23,7 @@ then to run:
 
 ### Tools
 
-Extensions(93) | Tools(54)
+Extensions(96) | Tools(57)
 ----------:| -----
 .* | [contents](http://pygments.org/) • metadata • [git_blame](https://git-scm.com/docs/git-blame) • [git_log](https://git-scm.com/docs/git-log)
 .py | [python_syntax](https://en.wikipedia.org/wiki/Python_syntax_and_semantics) • [python_unittests](https://docs.python.org/3/library/unittest.html) • [pydoc](https://docs.python.org/3/library/pydoc.html) • [mypy](http://mypy-lang.org/) • [python_coverage](https://coverage.readthedocs.io/) • [pycodestyle](http://pycodestyle.pycqa.org/en/latest/) • [pydocstyle](http://www.pydocstyle.org/en/2.1.1/usage.html) • [pyflakes](https://pypi.org/project/pyflakes/) • [pylint](https://www.pylint.org/) • [python_gut](https://github.com/ahamilton/eris/blob/master/gut.py) • [python_modulefinder](https://docs.python.org/3/library/modulefinder.html) • [dis](https://docs.python.org/3/library/dis.html) • [python_mccabe](https://pypi.org/project/mccabe/) • [bandit](https://pypi.org/project/bandit/)
@@ -35,8 +35,9 @@ Extensions(93) | Tools(54)
 .lua | [lua_syntax](http://www.lua.org) • [lua_check](https://github.com/mpeterv/luacheck)
 .js | [js_syntax](http://nodejs.org/)
 .php | [php7_syntax](https://en.wikipedia.org/wiki/PHP)
-.go | [go_vet](https://golang.org) • [golint](https://github.com/golang/lint) • [godoc](http://golang.org/x/tools)
+.go | [go_vet](https://github.com/golang/go) • [golint](https://github.com/golang/lint) • [godoc](https://github.com/golang/go)
 .bash .sh .dash .ksh | [shellcheck](https://www.shellcheck.net/)
+.wasm | [wasm-validate](https://github.com/WebAssembly/wabt) • [wasm-objdump](https://github.com/WebAssembly/wabt)
 .pdf | [pdf2txt](https://github.com/pdfminer/pdfminer.six)
 .html .htm | [html_syntax](http://www.html-tidy.org/) • [html2text](http://www.mbayer.de/html2text/) • [pandoc](https://pandoc.org/)
 .yaml .yml | [yamllint](https://github.com/adrienverge/yamllint)
@@ -46,12 +47,13 @@ Extensions(93) | Tools(54)
 .tar.bz2 | [tar_bz2](http://www.gnu.org/software/tar/manual/tar.html)
 .rar | [unrar](http://www.rarlabs.com/)
 .7z | [7z](http://p7zip.sourceforge.net/)
-.xz | [unxz](http://tukaani.org/xz/)
+.xz | [unxz](https://tukaani.org/xz/)
 .a | [ar](https://en.wikipedia.org/wiki/Ar_(Unix)) • [nm](https://linux.die.net/man/1/nm)
 .o | [objdump_headers](https://en.wikipedia.org/wiki/Objdump) • [objdump_disassemble](https://en.wikipedia.org/wiki/Objdump) • [readelf](https://en.wikipedia.org/wiki/Objdump)
 .so | [nm](https://linux.die.net/man/1/nm)
 .deb | [dpkg_contents](https://wiki.debian.org/Teams/Dpkg) • [dpkg_info](https://wiki.debian.org/Teams/Dpkg)
 .rpm | [rpm](http://rpm.org/)
 .png .jpg .gif .bmp .tif .tiff .tga | [mediainfo](https://mediaarea.net/MediaInfo) • [pil](http://python-pillow.github.io/)
+.svg .svgz | [svglib](https://github.com/deeplook/svglib)
 .mkv .mka .mks .ogg .ogm .avi .wav .mpeg .mpg .vob .mp4 .mpgv .mpv .m1v .m2v .mp2 .mp3 .asf .wma .wmv .qt .mov .rm .rmvb .ra .ifo .ac3 .dts .aac .flac .aiff .aifc .au .iff .flv .srt .ssa .ass .sami | [mediainfo](https://mediaarea.net/MediaInfo)
 .iso | [isoinfo](https://manpages.debian.org/jessie/genisoimage/isoinfo.1.en.html)

eris/tools.py

@@ -434,6 +434,22 @@ def _resize_image(image, new_width):
                         PIL.Image.ANTIALIAS)
 
 
+def _image_to_text(image):
+    text = "▀" * image.width
+    data = list(image.getdata())
+    width = image.width
+    rows = [data[row_index*width:(row_index+1)*width]
+            for row_index in range(image.height)]
+    if image.height % 2 == 1:
+        rows.append([None] * image.width)
+    return fill3.Fixed([
+        termstr.TermStr(text, tuple(termstr.CharStyle(
+            fg_color=top_pixel, bg_color=bottom_pixel)
+            for top_pixel, bottom_pixel in zip(rows[index],
+                                               rows[index+1])))
+        for index in range(0, image.height, 2)])
+
+
 @deps(deps={"pip/pillow"}, url="python3-pil")
 def pil(path):
     import PIL.Image
@@ -441,20 +457,16 @@ def pil(path):
         with PIL.Image.open(image_file).convert("RGB") as image:
             if image.width > MAX_IMAGE_SIZE:
                 image = _resize_image(image, MAX_IMAGE_SIZE)
-            text = "▀" * image.width
+            return Status.normal, _image_to_text(image)
-            data = list(image.getdata())
+
-            width = image.width
+
-            rows = [data[row_index*width:(row_index+1)*width]
+@deps(deps={"pip/svglib"}, url="https://github.com/deeplook/svglib")
-                    for row_index in range(image.height)]
+def svglib(path):
-            if image.height % 2 == 1:
+    import svglib.svglib
-                rows.append([None] * image.width)
+    import reportlab.graphics.renderPM
-            result = fill3.Fixed([
+    drawing = svglib.svglib.svg2rlg(path)
-                termstr.TermStr(text, tuple(termstr.CharStyle(
+    image = reportlab.graphics.renderPM.drawToPIL(drawing)
-                    fg_color=top_pixel, bg_color=bottom_pixel)
+    return Status.normal, _image_to_text(image)
-                    for top_pixel, bottom_pixel in zip(rows[index],
-                                                       rows[index+1])))
-                for index in range(0, image.height, 2)])
-    return Status.normal, result
 
 
 @deps(deps={"go/github.com/golang/go/src/cmd/godoc" },

eris/tools.toml

@@ -36,6 +36,7 @@ tools_for_extensions = [
    [["deb"], ["dpkg_contents", "dpkg_info"]],
    [["rpm"], ["rpm"]],
    [["png", "jpg", "gif", "bmp", "tif", "tiff", "tga"], ["mediainfo", "pil"]],
+   [["svg", "svgz"], ["svglib"]],
    [["mkv", "mka", "mks", "ogg", "ogm", "avi", "wav", "mpeg", "mpg", "vob",
      "mp4", "mpgv", "mpv", "m1v", "m2v", "mp2", "mp3", "asf", "wma", "wmv",
      "qt", "mov", "rm", "rmvb", "ra", "ifo", "ac3", "dts", "aac", "flac",
@@ -227,6 +228,7 @@ tools_for_extensions = [
 
 [lua_check]
   dependencies = ["luarocks/luacheck"]
+  url = "https://github.com/mpeterv/luacheck"
   command = "luacheck"
 
 [go_vet]
@@ -241,10 +243,12 @@ tools_for_extensions = [
 
 [wasm-validate]
   dependencies = ["git/github.com/WebAssembly/wabt"]
+  url = "https://github.com/WebAssembly/wabt"
   command = "wasm-validate"
 
 [wasm-objdump]
   dependencies = ["git/github.com/WebAssembly/wabt"]
+  url = "https://github.com/WebAssembly/wabt"
   command = "wasm-objdump --disassemble"
   success_status = "normal"