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#!/usr/bin/python
import pprint
import sys
import os.path
import re
import optparse
import glob
import subprocess
import depgraph2dot
solfege_modules = ('solfege')
# The keys of this dict is the module names.
# The values are the module names, for example solfege.application.SolfegeApp
deps = {}
class ModuleInfo(object):
def __init__(self, fn):
assert os.path.isfile(fn)
head, tail = os.path.split(fn)
m, e = os.path.splitext(tail)
assert os.path.isdir(head)
assert e == '.py'
self.m_modulename = ".".join(os.path.splitext(fn)[0].split("/"))
self.m_location = head
self.m_filename = fn
self.m_usage = []
# import os, sys, solfege.mpd
re2 = re.compile("^(?P<imp>import)\s+(?P<modulelist>((\w[\.\w]+,\s*)*)\w[\.\w]+)$")
# import solfege.ElementTree as et
re3 = re.compile("^(?P<imp>import)\s+(?P<module>\w[\.\w]+)\s+as\s+(?P<asmodule>\w+)")
re5 = re.compile("^from\s+(?P<module>\w[\.\w]+)\s+import\s+(?P<imodule>\w[\.\w]+)\s+as\s+(?P<asmodule>\w[\.\w]+)$")
re6 = re.compile("^from\s+(?P<module>solfege(\.\w+)*)\s+import\s+((?P<modulelist>((\w[\.\w]+,\s*)*)\w[\.\w]+)|\*)$")
re_comma = re.compile(",\s*")
def test_re():
m = re2.match("import app")
assert m.group('imp') == 'import'
assert m.group('modulelist') == 'app'
m = re2.match("import app, abstract")
assert m.group('modulelist') == "app, abstract"
m = re2.match("import app, abstract \\")
assert m is None
m = re2.match("import mpd.interval")
assert m.group('modulelist') == "mpd.interval"
m = re2.match("import app, mpd.interval")
assert m.group('modulelist') == "app, mpd.interval"
m = re2.match("import app, .interval")
assert m is None
m = re3.match("import abc as DE")
assert m.group('module') == 'abc'
assert m.group('asmodule') == 'DE'
m = re3.match("import solfege.mpd.musicalpitch as mi")
assert m.group('module') == 'solfege.mpd.musicalpitch'
assert m.group('asmodule') == 'mi'
m = re5.match("from os.path import isfile as asfile")
assert m.group('module') == 'os.path'
assert m.group('imodule') == 'isfile'
assert m.group('asmodule') == 'asfile'
m = re6.match("from solfege import i18n, abstract")
assert m.group('modulelist') == 'i18n, abstract'
m = re6.match("from solfege.mpd import musicalpitch")
assert m.group('module') == 'solfege.mpd'
assert m.group('modulelist') == 'musicalpitch'
m = re6.match("from solfege.mpd.rat import Rat")
assert m.group('module') == 'solfege.mpd.rat'
assert m.group('modulelist') == 'Rat'
def name_of_imported(info, importname):
"""
"""
if "." not in importname:
return "%s.%s" % (info.m_location, importname)
else:#if importname.count(".") == 1:
package, modulename = importname.split(".")
assert package in solfege_modules
return importname
def test_name_of_imported():
info = ModuleInfo("solfege/application.py")
assert name_of_imported(info, "abstract") == "solfege.abstract"
def usage_of_module(info):
f = open(info.m_filename, 'rU')
for line in f.readlines():
line = line.strip("\n")
if line.startswith('from __future__'):
continue
elif line.startswith('import '):
m = re2.match(line)
# re2 is simples import statement. Example:"
# import os, re, solfege.mpd.musicalpitch
if m:
for module in re_comma.split(m.group('modulelist')):
module = module.strip()
if module.startswith("solfege."):
deps[info.m_modulename].m_usage.append(module)
continue
continue
m = re3.match(line)
if m:
if m.group('module').startswith("solfege."):
deps[info.m_modulename].m_usage.append(m.group('module'))
continue
raise Exception("import statement failed.")
elif line.startswith('from '):
m = re6.match(line)
if m:
if line.endswith("import *"):
deps[info.m_modulename].m_usage.append(m.group('module'))
continue
for mod in re_comma.split(m.group('modulelist')):
module_name = "%s.%s" % (m.group('module'), mod.strip())
mfn = "%s.py" % module_name.replace(".", "/")
if os.path.isfile(mfn):
deps[info.m_modulename].m_usage.append(module_name)
else:
deps[info.m_modulename].m_usage.append(m.group('module'))
continue
m = re5.match(line)
if m:
if m.group('module').startswith("solfege."):
raise Exception("Not implemented yet")
deps[info.m_modulename].m_usage.append(name_of_imported(info, m.group('module')))
continue
print "line::::", line
def do_file(fn):
global deps
info = ModuleInfo(fn)
assert info.m_modulename not in deps
deps[info.m_modulename] = info
usage_of_module(info)
opt_parser = optparse.OptionParser(description="""
We use this to create a graph showing how the modules in Solfege
import each other. Typical usage is:
./tools/create_depgraph.py -a | ./tools/depgraph2dot.py | dot -T png -o classhier.png
""")
opt_parser.add_option('-t', action='store_true', dest='run_testsuite',
help="Run small test suite and exit.")
opt_parser.add_option('-o', dest='outfile',
help="Save to OUTFILE instead of STDOUT")
opt_parser.add_option('-a', action='store_true', dest='all_files',
help="Scan all source files")
opt_parser.add_option('-s', action='store_true', dest='simplify')
opt_parser.add_option('-g', action='store_true', dest='do_all',
help="Run all scripts to create the png image")
options, args = opt_parser.parse_args()
if options.run_testsuite:
test_re()
test_name_of_imported()
sys.exit()
if options.all_files:
v = glob.glob("solfege/*.py") + glob.glob("solfege/soundcard/*.py") + glob.glob("solfege/mpd/*.py") + glob.glob("solfege/exercises/*.py")
else:
v = []
for fn in args + v:
do_file(fn)
def replace_modules(to_module, remove_modules):
"""
to_module is the name of the a module
remove_modules is a list of names
"""
for k in deps.keys():
for ex in remove_modules:
if k == ex:
for dep in deps[k].m_usage:
if dep not in deps[to_module].m_usage:
deps[to_module].m_usage.append(dep)
for ex in remove_modules:
del deps[ex]
for k in deps.keys():
for ex in remove_modules:
if ex in deps[k].m_usage:
deps[k].m_usage.remove(ex)
if to_module not in deps[k].m_usage:
deps[k].m_usage.append(to_module)
def remove_module(modulename):
for k in deps.keys():
if k in deps[k].m_usage:
deps[k].m_usage.remove(k)
if modulename in deps:
del deps[modulename]
if options.simplify:
for k, info in deps.items():
for m in 'mpd', 'soundcard', 'exercises':
if k.startswith("solfege.%s" % m) and k != 'solfege.%s.__init__' % m:
del deps[k]
for idx, s in enumerate(info.m_usage):
if s.startswith("solfege.%s" % m):
info.m_usage[idx] = "solfege.%s.__init__" % m
d = {'depgraph': {}, 'types': {}}
for info in deps.values():
nd = {}
for x in info.m_usage:
nd[x] = 1
d['depgraph'][info.m_modulename] = nd
d['types'][info.m_modulename] = 1
if options.outfile:
f = open(options.outfile, "w")
pprint.pprint(d, f)
f.close()
if options.do_all:
dot = depgraph2dot.DD()
dot._data = d
dot.main([])
subprocess.call(('dot', '-T', 'png', '-o', 'classhier.png', 'ut.dots'))
subprocess.call(('eog', 'classhier.png'))
os.remove('ut.dots')
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