about summary refs log tree commit diff
path: root/nixpkgs/pkgs/development/python-modules/dot2tex/path.patch
diff options
context:
space:
mode:
Diffstat (limited to 'nixpkgs/pkgs/development/python-modules/dot2tex/path.patch')
-rw-r--r--nixpkgs/pkgs/development/python-modules/dot2tex/path.patch104
1 files changed, 104 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/dot2tex/path.patch b/nixpkgs/pkgs/development/python-modules/dot2tex/path.patch
new file mode 100644
index 000000000000..4e05b7a8dff3
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/dot2tex/path.patch
@@ -0,0 +1,104 @@
+diff --git a/dot2tex/dotparsing.py b/dot2tex/dotparsing.py
+index 391b5dc..6dc77a3 100644
+--- a/dot2tex/dotparsing.py
++++ b/dot2tex/dotparsing.py
+@@ -180,18 +180,8 @@ def __find_executables(path):
+ def find_graphviz():
+     """Locate Graphviz's executables in the system.
+ 
+-    Tries three methods:
+-
+-    First: Windows Registry (Windows only)
+-    This requires Mark Hammond's pywin32 is installed.
+-
+-    Secondly: Search the path
+-    It will look for 'dot', 'twopi' and 'neato' in all the directories
+-    specified in the PATH environment variable.
+-
+-    Thirdly: Default install location (Windows only)
+-    It will look for 'dot', 'twopi' and 'neato' in the default install
+-    location under the "Program Files" directory.
++    It will look for 'dot', 'twopi' and 'neato' in
++    @graphviz@/bin.
+ 
+     It will return a dictionary containing the program names as keys
+     and their paths as values.
+@@ -199,75 +189,9 @@ def find_graphviz():
+     If this fails, it returns None.
+     """
+ 
+-    # Method 1 (Windows only)
+-    #
+-    if os.sys.platform == 'win32':
+-        try:
+-            import win32api, win32con
+-
+-            # Get the GraphViz install path from the registry
+-            #
+-            hkey = win32api.RegOpenKeyEx(win32con.HKEY_LOCAL_MACHINE,
+-                                         "SOFTWARE\AT&T Research Labs\Graphviz", 0, win32con.KEY_QUERY_VALUE)
+-
+-            path = win32api.RegQueryValueEx(hkey, "InstallPath")[0]
+-            win32api.RegCloseKey(hkey)
+-
+-            # Now append the "bin" subdirectory:
+-            #
+-            path = os.path.join(path, "bin")
+-            progs = __find_executables(path)
+-            if progs is not None:
+-                # print("Used Windows registry")
+-                return progs
+-
+-        except ImportError:
+-            # Print a messaged suggesting they install these?
+-            #
+-            log.debug('The win32api is not installed')
+-            pass
+-        except:
+-            log.debug('Failed to access the registry key')
+-
+-    # Method 2 (Linux, Windows etc)
+-    #
+-    if 'PATH' in os.environ:
+-        for path in os.environ['PATH'].split(os.pathsep):
+-            progs = __find_executables(path)
+-            if progs is not None:
+-                return progs
+-
+-    # Method 3 (Windows only)
+-    #
+-    if os.sys.platform == 'win32':
+-        # Try and work out the equivalent of "C:\Program Files" on this
+-        # machine (might be on drive D:, or in a different language)
+-        #
+-        if 'PROGRAMFILES' in os.environ:
+-            # Note, we could also use the win32api to get this
+-            # information, but win32api may not be installed.
+-
+-            path = os.path.join(os.environ['PROGRAMFILES'], 'ATT', 'GraphViz', 'bin')
+-
+-        else:
+-            # Just in case, try the default...
+-            path = r"C:\Program Files\att\Graphviz\bin"
+-
+-        progs = __find_executables(path)
+-
+-        if progs is not None:
+-            # print("Used default install location")
+-            return progs
+-
+-    for path in (
+-            '/usr/bin', '/usr/local/bin',
+-            '/opt/local/bin',
+-            '/opt/bin', '/sw/bin', '/usr/share',
+-            '/Applications/Graphviz.app/Contents/MacOS/'):
+-        progs = __find_executables(path)
+-        if progs is not None:
+-            # print("Used path")
+-            return progs
++    progs = __find_executables('@graphviz@/bin')
++    if progs is not None:
++        return progs
+ 
+     # Failed to find GraphViz
+     #