From 919a27a22788755c63a7460ec5a97b936e177755 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@drexel.edu>
Date: Sat, 8 Jan 2011 22:10:53 -0500
Subject: [PATCH] Use optparse.OptionParser to parse script arguments.

---
 depgraph2dot.py | 46 ++++++++++++++++++++++++++++++----------------
 py2depgraph.py  | 24 +++++++++++++++++-------
 2 files changed, 47 insertions(+), 23 deletions(-)

diff --git a/depgraph2dot.py b/depgraph2dot.py
index 23ad7f3..c347947 100755
--- a/depgraph2dot.py
+++ b/depgraph2dot.py
@@ -22,7 +22,10 @@
 # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-import sys, getopt, colorsys, imp, re, pprint
+"""Convert `py2depgraph` dependency data to Graphviz dot syntax.
+"""
+
+import sys, colorsys, imp, re, pprint
 from hashlib import md5
 from os import popen, getuid  # for finding C extension dependencies with system calls
 from pwd import getpwuid
@@ -31,7 +34,7 @@ USER=getpwuid(getuid())[0] # get effective user name
 
 INVISIBLE_MODS=('__future__','copy','doctest','glob','optparse','os','qt','re',
 		'StringIO','string','sys','textwrap','time','types','unittest')
-INVISIBLE_PATHS=(r'.*',)
+INVISIBLE_PATHS=[] #(r'.*',)
 VISIBLE_PATHS=(r'.*%s.*' % USER,r'.*comedi.*')
 
 def _pathmatch(regexp_tuple, path) :
@@ -315,8 +318,8 @@ class pydepgraphdot (object) :
         self.reset()
         self._debug=False
 
-    def render(self, root_module='__main__'):
-        depgraph,types,paths = self.get_data()
+    def render(self, ifile, root_module='__main__'):
+        depgraph,types,paths = self.get_data(ifile)
 
         if root_module != None :
             self.add_module_target(root_module)
@@ -362,8 +365,8 @@ class pydepgraphdot (object) :
         f.write(self._dotformat.footer())
 
     # data processing methods (input, output, checking)
-    def get_data(self):
-        t = eval(sys.stdin.read())
+    def get_data(self, ifile):
+        t = eval(ifile.read())
         return t['depgraph'],t['types'],t['paths']
     def get_output_file(self):
         return sys.stdout
@@ -405,22 +408,33 @@ class pydepgraphdot (object) :
             return None # no more modules! we're done.
 
             
-def main():
-    opts,args = getopt.getopt(sys.argv,'',['mono'])
-    colored = True
-    for o,v in opts:
-        if o=='--mono':
-            colored = False
+if __name__=='__main__':
+    from optparse import OptionParser
+
+    usage = '%prog [options]'
+    p = OptionParser(usage=usage, description=__doc__)
+    p.add_option('-m', '--mono', dest='color', default=True,
+                 action='store_false', help="Don't use color.")
+    p.add_option('-i', '--input', dest='input', default='-',
+                 help="Path to input file ('-' for stdin, %default).")
+    options,args = p.parse_args()
 
     # Fancyness with shared hooks instance so we can do slick thinks like
     # printing all modules just inside an invisible zone, since we'll need 
     # the dotformatter to know which nodes are visible.
     hk = hooks(link_outside_visited_nodes=False)
     #hk._debug = True
-    dt = dotformat_Cext(colored=colored, hooks_instance=hk)
+    dt = dotformat_Cext(colored=options.color, hooks_instance=hk)
     py = pydepgraphdot(hooks_instance=hk, dotformat_instance=dt)
     #py._debug = True
-    py.render()
 
-if __name__=='__main__':
-    main()
+    if options.input == '-':
+        ifile = sys.stdin
+    else:
+        ifile = open(options.input, 'r')
+
+    try:
+        py.render(ifile)
+    finally:
+        if options.input != '-':
+            ifile.close()
diff --git a/py2depgraph.py b/py2depgraph.py
index cb2bc86..b17c4dd 100755
--- a/py2depgraph.py
+++ b/py2depgraph.py
@@ -22,7 +22,9 @@
 # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-import sys, pprint
+"""Extract a tree of module imports from a Python script.
+"""
+
 import modulefinder
 
 class mymf(modulefinder.ModuleFinder):
@@ -55,13 +57,21 @@ class mymf(modulefinder.ModuleFinder):
         return r
         
         
-def main(argv):    
+if __name__=='__main__':
+    from optparse import OptionParser
+    from pprint import pprint
+    import sys
+
+    usage = '%prog [options] path/to/script.py'
+    p = OptionParser(usage=usage, description=__doc__)
+
+    options,args = p.parse_args()
+
+    script = args[0]
+
     path = sys.path[:]
     debug = 0
     exclude = []
     mf = mymf(path,debug,exclude)
-    mf.run_script(argv[0])
-    pprint.pprint({'depgraph':mf._depgraph,'types':mf._types,'paths':mf._paths})
-    
-if __name__=='__main__':
-    main(sys.argv[1:])
+    mf.run_script(script)
+    pprint({'depgraph':mf._depgraph,'types':mf._types,'paths':mf._paths})
-- 
2.26.2