File: setup.py

package info (click to toggle)
libqcow 20160123-2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 10,600 kB
  • ctags: 4,375
  • sloc: ansic: 142,933; sh: 12,887; makefile: 1,198; python: 549; sed: 134
file content (333 lines) | stat: -rwxr-xr-x 10,139 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
#!/usr/bin/env python
#
# Script to build and install Python-bindings.
# Version: 20160119

from __future__ import print_function
import glob
import platform
import os
import shlex
import shutil
import subprocess
import sys

from distutils import sysconfig
from distutils import util
from distutils.ccompiler import new_compiler
from distutils.command.build_ext import build_ext
from distutils.command.bdist import bdist
from distutils.command.sdist import sdist
from distutils.core import Command, Extension, setup


class custom_bdist_rpm(bdist):
  """Custom handler for the bdist_rpm command."""

  def run(self):
    print("'setup.py bdist_rpm' command not supported use 'rpmbuild' instead.")
    sys.exit(1)


class custom_build_ext(build_ext):
  """Custom handler for the build_ext command."""

  def _RunCommand(self, command):
    """Runs the command."""
    arguments = shlex.split(command)
    process = subprocess.Popen(
        arguments, stderr=subprocess.PIPE, stdout=subprocess.PIPE)
    if not process:
      raise RuntimeError("Running: {0:s} failed.".format(command))

    output, error = process.communicate()
    if process.returncode != 0:
      error = "\n".join(error.split(b"\n")[-5:])
      if sys.version_info[0] >= 3:
        error = error.decode("ascii", errors="replace")
      raise RuntimeError(
          "Running: {0:s} failed with error:\n{1:s}.".format(
              command, error))

    return output

  def build_extensions(self):
    # TODO: move build customization here?
    build_ext.build_extensions(self)

  def run(self):
    compiler = new_compiler(compiler=self.compiler)
    if compiler.compiler_type == "msvc":
      self.define = [
          ("UNICODE", ""),
      ]

    else:
      # We need to run "configure" to make sure config.h is generated
      # properly. We invoke "configure" with "sh" here to make sure
      # that it works on mingw32 with the standard python.org binaries.
      command = "sh configure --help"
      output = self._RunCommand(command)

      # We want to build as much as possible self contained Python binding.
      configure_arguments = []
      for line in output.split(b"\n"):
        line = line.strip()
        line, _, _ = line.rpartition(b"[=DIR]")
        if line.startswith(b"--with-lib") and not line.endswith(b"-prefix"):
          if sys.version_info[0] >= 3:
            line = line.decode("ascii")
          configure_arguments.append("{0:s}=no".format(line))
        elif line == b"--with-openssl":
          configure_arguments.append("--with-openssl=no")
        elif line == b"--with-zlib":
          configure_arguments.append("--with-zlib=no")

      command = "sh configure {0:s}".format(" ".join(configure_arguments))
      output = self._RunCommand(command)

      print_line = False
      for line in output.split(b"\n"):
        line = line.rstrip()
        if line == b"configure:":
          print_line = True

        if print_line:
          if sys.version_info[0] >= 3:
            line = line.decode("ascii")
          print(line)

      self.define = [
          ("HAVE_CONFIG_H", ""),
          ("LOCALEDIR", "\"/usr/share/locale\""),
      ]

    build_ext.run(self)


class custom_sdist(sdist):
  """Custom handler for the sdist command."""

  def run(self):
    if self.formats != ["gztar"]:
      print("'setup.py sdist' unsupported format.")
      sys.exit(1)

    if glob.glob("*.tar.gz"):
      print("'setup.py sdist' remove existing *.tar.gz files from source directory.")
      sys.exit(1)

    command = "make dist"
    exit_code = subprocess.call(command, shell=True)
    if exit_code != 0:
      raise RuntimeError("Running: {0:s} failed.".format(command))

    if not os.path.exists("dist"):
      os.mkdir("dist")

    source_package_file = glob.glob("*.tar.gz")[0]
    source_package_prefix, _, source_package_suffix = (
        source_package_file.partition("-"))
    sdist_package_file = "{0:s}-python-{1:s}".format(
        source_package_prefix, source_package_suffix)
    sdist_package_file = os.path.join("dist", sdist_package_file)
    os.rename(source_package_file, sdist_package_file)

    # Inform distutils what files were created.
    dist_files = getattr(self.distribution, "dist_files", [])
    dist_files.append(("sdist", "", sdist_package_file))


class ProjectInformation(object):
  """Class to define the project information."""

  def __init__(self):
    """Initializes a project information object."""
    super(ProjectInformation, self).__init__()
    self.include_directories = []
    self.library_name = None
    self.library_names = []
    self.library_version = None

    self._ReadConfigureAc()
    self._ReadMakefileAm()

  @property
  def dll_filename(self):
    """The DLL filename."""
    return "{0:s}.dll".format(self.library_name)

  @property
  def module_name(self):
    """The Python module name."""
    return "py{0:s}".format(self.library_name[3:])

  @property
  def package_name(self):
    """The package name."""
    return "{0:s}-python".format(self.library_name)

  @property
  def package_description(self):
    """The package description."""
    return "Python bindings module for {0:s}".format(self.library_name)

  @property
  def project_url(self):
    """The project URL."""
    return "https://github.com/libyal/{0:s}/".format(self.library_name)

  def _ReadConfigureAc(self):
    """Reads configure.ac to initialize the project information."""
    file_object = open("configure.ac", "rb")
    if not file_object:
      raise IOError("Unable to open: configure.ac")

    found_ac_init = False
    found_library_name = False
    for line in file_object.readlines():
      line = line.strip()
      if found_library_name:
        library_version = line[1:-2]
        if sys.version_info[0] >= 3:
          library_version = library_version.decode("ascii")
        self.library_version = library_version
        break

      elif found_ac_init:
        library_name = line[1:-2]
        if sys.version_info[0] >= 3:
          library_name = library_name.decode("ascii")
        self.library_name = library_name
        found_library_name = True

      elif line.startswith(b"AC_INIT"):
        found_ac_init = True

    file_object.close()

    if not self.library_name or not self.library_version:
      raise RuntimeError(
          "Unable to find library name and version in: configure.ac")

  def _ReadMakefileAm(self):
    """Reads Makefile.am to initialize the project information."""
    if not self.library_name:
      raise RuntimeError("Missing library name")

    file_object = open("Makefile.am", "rb")
    if not file_object:
      raise IOError("Unable to open: Makefile.am")

    found_subdirs = False
    for line in file_object.readlines():
      line = line.strip()
      if found_subdirs:
        library_name, _, _ = line.partition(b" ")
        if sys.version_info[0] >= 3:
          library_name = library_name.decode("ascii")

        self.include_directories.append(library_name)

        if library_name.startswith("lib"):
          self.library_names.append(library_name)

        if library_name == self.library_name:
          break

      elif line.startswith(b"SUBDIRS"):
        found_subdirs = True

    file_object.close()

    if not self.include_directories or not self.library_names:
      raise RuntimeError(
          "Unable to find include directories and library names in: "
          "Makefile.am")


def GetPythonLibraryDirectoryPath():
  """Retrieves the Python library directory path."""
  path = sysconfig.get_python_lib(True)
  _, _, path = path.rpartition(sysconfig.PREFIX)

  if path.startswith(os.sep):
    path = path[1:]

  return path


project_information = ProjectInformation()

MODULE_VERSION = project_information.library_version
if "bdist_msi" in sys.argv:
  # bdist_msi does not support the library version so we add ".1"
  # as a work around.
  MODULE_VERSION = "{0:s}.1".format(MODULE_VERSION)

PYTHON_LIBRARY_DIRECTORY = GetPythonLibraryDirectoryPath()

SOURCES = []

# TODO: replace by detection of MSC
DEFINE_MACROS = []
if platform.system() == "Windows":
  DEFINE_MACROS.append(("WINVER", "0x0501"))
  # TODO: determine how to handle third party DLLs.
  for library_name in project_information.library_names:
    if library_name != project_information.library_name:
      definition = "HAVE_LOCAL_{0:s}".format(library_name.upper())

    DEFINE_MACROS.append((definition, ""))

# Put everything inside the Python module to prevent issues with finding
# shared libaries since pip does not integrate well with the system package
# management.
for library_name in project_information.library_names:
  source_files = glob.glob(os.path.join(library_name, "*.c"))
  SOURCES.extend(source_files)

source_files = glob.glob(os.path.join(project_information.module_name, "*.c"))
SOURCES.extend(source_files)

# Add the LICENSE file to the distribution.
copying_file = os.path.join("COPYING")
license_file = "LICENSE.{0:s}".format(project_information.module_name)
shutil.copyfile(copying_file, license_file)

LIBRARY_DATA_FILES = [license_file]

# TODO: find a way to detect missing python.h
# e.g. on Ubuntu python-dev is not installed by python-pip

# TODO: what about description and platform in egg file

setup(
    name=project_information.package_name,
    url=project_information.project_url,
    version=MODULE_VERSION,
    description=project_information.package_description,
    long_description=project_information.package_description,
    author="Joachim Metz",
    author_email="joachim.metz@gmail.com",
    license="GNU Lesser General Public License v3 or later (LGPLv3+)",
    cmdclass={
        "build_ext": custom_build_ext,
        "bdist_rpm": custom_bdist_rpm,
        "sdist": custom_sdist,
    },
    ext_modules=[
        Extension(
            project_information.module_name,
            define_macros=DEFINE_MACROS,
            include_dirs=project_information.include_directories,
            libraries=[],
            library_dirs=[],
            sources=SOURCES,
        ),
    ],
    data_files=[(PYTHON_LIBRARY_DIRECTORY, LIBRARY_DATA_FILES)],
)

os.remove(license_file)